Dataset Versions

v2

2024-07-17 9:08pm

Generated on Jul 17, 2024

Dataset Split

Train Set 94%
7439Images
Valid Set 6%
493Images
Test Set 0%
18Images

Preprocessing

Auto-Orient: Applied
Resize: Stretch to 640x640

Augmentations

Outputs per training example: 3
Flip: Horizontal
Rotation: Between -15° and +15°
Blur: Up to 2.5px

Similar Projects

See More
Train Detection
Annotate
Show/hide annotations(H)
train
Labels
Attributes
Raw Data

Annotations

Group:
Trains

Classes

Layers

 
person
15

Unused Classes

car
rail-track
traffic-light
trains

Tags

No Tags Applied
Type and select tags below to add them to the image.

Attributes

000000017839.jpg

640x640
0.41MP

Updated Apr 4, 56514

5:18PM
GMT+00:00

Generated by Roboflow

Training Set

Transforms

Auto-Orient Applied
Resize Stretch to 640x640
Flip Horizontal
Rotation
Blur 1.75px

Annotation History

Loading...

Raw Data

Source Data

                            {
    "camera": "Generated by Roboflow",
    "datasets": [
        "YxcFM9eEBiVLbxRgiXtF"
    ],
    "destination": "93162494e14a9479ff328dca6b0766ae",
    "height": 640,
    "id": "LDEEKZGeNrOWeTjzoe1D",
    "label": [],
    "labels": [],
    "name": "000000017839.jpg",
    "numSteps": 5,
    "owner": "zD7y6XOoQnh7WC160Ae7",
    "preprocessing": [
        "auto-orient",
        "resize:[\"Stretch to\",640,640]",
        "flip:[\"horizontal\"]",
        "rotate:[1]",
        "blur:[1.75]"
    ],
    "preprocessingParsed": [
        {
            "name": "Auto-Orient",
            "value": "Applied"
        },
        {
            "name": "Resize",
            "value": "Stretch to 640x640"
        },
        {
            "name": "Flip",
            "value": "Horizontal"
        },
        {
            "name": "Rotation",
            "value": "1°"
        },
        {
            "name": "Blur",
            "value": "1.75px"
        }
    ],
    "source": "LDEEKZGeNrOWeTjzoe1D",
    "split": "train",
    "split.YxcFM9eEBiVLbxRgiXtF.2": "train",
    "status": "generated",
    "transforms": "[\n    \"auto-orient\",\n    \"resize:[\\\"Stretch to\\\",640,640]\",\n    \"flip:[\\\"horizontal\\\"]\",\n    \"rotate:[1]\",\n    \"blur:[1.75]\"\n]",
    "updated": 1721250494306,
    "updatedDate": "Apr 4, 56514",
    "updatedTime": "5:18PM",
    "updatedTimezone": "+00:00",
    "user_tags": [],
    "versions": [
        "YxcFM9eEBiVLbxRgiXtF/2"
    ],
    "width": 640
}
                            
                            

Annotation Data

{
    "boxes": [
        {
            "type": "polygon",
            "label": "person",
            "x": 118.0214015,
            "y": 386.0663915,
            "width": 82.639067,
            "height": 256.58394300000003,
            "points": [
                [
                    134.228393,
                    506.603915
                ],
                [
                    148.36588,
                    514.358363
                ],
                [
                    159.340935,
                    512.833257
                ],
                [
                    145.877518,
                    486.397532
                ],
                [
                    152.108546,
                    442.282067
                ],
                [
                    150.735623,
                    363.627382
                ],
                [
                    153.595547,
                    355.576244
                ],
                [
                    152.897451,
                    315.582336
                ],
                [
                    145.642548,
                    301.040069
                ],
                [
                    152.176084,
                    274.255297
                ],
                [
                    141.38681,
                    257.77442
                ],
                [
                    134.387876,
                    257.896587
                ],
                [
                    126.086965,
                    269.376539
                ],
                [
                    126.645442,
                    301.371665
                ],
                [
                    112.298905,
                    310.290072
                ],
                [
                    107.974114,
                    320.367085
                ],
                [
                    100.719968,
                    363.166872
                ],
                [
                    101.975785,
                    377.813853
                ],
                [
                    110.114186,
                    385.673015
                ],
                [
                    104.394338,
                    401.775292
                ],
                [
                    103.696999,
                    419.123438
                ],
                [
                    116.207108,
                    448.242875
                ],
                [
                    125.345357,
                    456.084585
                ],
                [
                    125.461706,
                    462.750236
                ],
                [
                    105.883231,
                    458.424603
                ],
                [
                    99.744526,
                    450.530535
                ],
                [
                    76.701868,
                    476.936707
                ],
                [
                    79.282932,
                    481.559031
                ],
                [
                    95.187415,
                    475.947272
                ],
                [
                    113.231213,
                    478.29939
                ],
                [
                    130.391513,
                    487.33461
                ],
                [
                    134.228393,
                    506.603915
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 243.721837,
            "y": 374.4012095,
            "width": 59.479682,
            "height": 210.11636099999998,
            "points": [
                [
                    228.584881,
                    411.609366
                ],
                [
                    237.770426,
                    479.45939
                ],
                [
                    250.628827,
                    471.233728
                ],
                [
                    244.443582,
                    460.6734
                ],
                [
                    251.093467,
                    440.554279
                ],
                [
                    252.697575,
                    417.85616
                ],
                [
                    245.628832,
                    413.978936
                ],
                [
                    246.41925,
                    401.963312
                ],
                [
                    251.813698,
                    395.868237
                ],
                [
                    265.277116,
                    422.30396
                ],
                [
                    273.461678,
                    404.158356
                ],
                [
                    266.159479,
                    329.607777
                ],
                [
                    261.880849,
                    313.680023
                ],
                [
                    248.74321,
                    305.908123
                ],
                [
                    252.370283,
                    284.508229
                ],
                [
                    250.207698,
                    275.211222
                ],
                [
                    242.604126,
                    269.343029
                ],
                [
                    232.23371,
                    276.858495
                ],
                [
                    231.745799,
                    306.204814
                ],
                [
                    215.120706,
                    327.831589
                ],
                [
                    218.678727,
                    359.774358
                ],
                [
                    213.981996,
                    377.192313
                ],
                [
                    217.493477,
                    406.468822
                ],
                [
                    228.584881,
                    411.609366
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 180.882308,
            "y": 366.582305,
            "width": 57.364394000000004,
            "height": 240.760906,
            "points": [
                [
                    182.802073,
                    481.752403
                ],
                [
                    189.894086,
                    486.962758
                ],
                [
                    202.845566,
                    484.069615
                ],
                [
                    195.567394,
                    468.194219
                ],
                [
                    196.404353,
                    458.844855
                ],
                [
                    209.564505,
                    410.607832
                ],
                [
                    205.053177,
                    381.348775
                ],
                [
                    204.703372,
                    304.009768
                ],
                [
                    193.565428,
                    296.202963
                ],
                [
                    202.191739,
                    274.715808
                ],
                [
                    201.865961,
                    256.051984
                ],
                [
                    193.192731,
                    246.201852
                ],
                [
                    182.194407,
                    246.393829
                ],
                [
                    173.846956,
                    255.207521
                ],
                [
                    173.079807,
                    268.556276
                ],
                [
                    178.358284,
                    284.466577
                ],
                [
                    156.710682,
                    304.847484
                ],
                [
                    152.200111,
                    332.930481
                ],
                [
                    154.665204,
                    359.558182
                ],
                [
                    161.873567,
                    371.434187
                ],
                [
                    159.153262,
                    387.484108
                ],
                [
                    168.50094,
                    407.32399
                ],
                [
                    184.824281,
                    425.708575
                ],
                [
                    182.802073,
                    481.752403
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 298.0401475,
            "y": 430.88809549999996,
            "width": 208.060643,
            "height": 146.60128100000003,
            "points": [
                [
                    194.009826,
                    493.558599
                ],
                [
                    196.195681,
                    504.188736
                ],
                [
                    213.588301,
                    497.884233
                ],
                [
                    259.558025,
                    495.748292
                ],
                [
                    283.368211,
                    484.664392
                ],
                [
                    317.409572,
                    486.737271
                ],
                [
                    355.194356,
                    474.075907
                ],
                [
                    370.44804,
                    488.478553
                ],
                [
                    383.39952,
                    485.585412
                ],
                [
                    399.606133,
                    468.633319
                ],
                [
                    402.070469,
                    437.918965
                ],
                [
                    398.791688,
                    421.97376
                ],
                [
                    386.537547,
                    407.518756
                ],
                [
                    389.815572,
                    366.121908
                ],
                [
                    382.16546,
                    357.587455
                ],
                [
                    372.213522,
                    360.428239
                ],
                [
                    369.911697,
                    371.803478
                ],
                [
                    361.982725,
                    375.942488
                ],
                [
                    359.215881,
                    389.326147
                ],
                [
                    345.380902,
                    398.902392
                ],
                [
                    327.477102,
                    433.220084
                ],
                [
                    293.900381,
                    400.467757
                ],
                [
                    280.809281,
                    395.362117
                ],
                [
                    253.55856,
                    467.18198
                ],
                [
                    256.186164,
                    474.470565
                ],
                [
                    229.399705,
                    486.939952
                ],
                [
                    198.404426,
                    487.480977
                ],
                [
                    194.009826,
                    493.558599
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 287.14426649999996,
            "y": 329.4829335,
            "width": 60.71147100000002,
            "height": 164.196551,
            "points": [
                [
                    290.807758,
                    395.187593
                ],
                [
                    306.596271,
                    411.581209
                ],
                [
                    310.525852,
                    407.512008
                ],
                [
                    314.803725,
                    366.097708
                ],
                [
                    310.734524,
                    362.168127
                ],
                [
                    311.036276,
                    322.156767
                ],
                [
                    317.500002,
                    291.372604
                ],
                [
                    295.828753,
                    281.749354
                ],
                [
                    291.805714,
                    251.815006
                ],
                [
                    278.226325,
                    247.384658
                ],
                [
                    271.878569,
                    256.163445
                ],
                [
                    274.390202,
                    285.457407
                ],
                [
                    265.019633,
                    292.955421
                ],
                [
                    256.788531,
                    308.434764
                ],
                [
                    262.927237,
                    316.328831
                ],
                [
                    273.809969,
                    366.813257
                ],
                [
                    271.182744,
                    388.195698
                ],
                [
                    274.786925,
                    394.133701
                ],
                [
                    290.807758,
                    395.187593
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 341.136799,
            "y": 332.082758,
            "width": 58.98950000000002,
            "height": 190.46845599999997,
            "points": [
                [
                    311.642049,
                    414.160207
                ],
                [
                    321.873225,
                    427.316986
                ],
                [
                    325.872616,
                    427.247176
                ],
                [
                    329.871628,
                    398.50634
                ],
                [
                    336.986911,
                    405.049824
                ],
                [
                    341.96288,
                    403.629432
                ],
                [
                    352.193677,
                    388.115184
                ],
                [
                    364.260902,
                    334.563092
                ],
                [
                    364.888432,
                    313.215556
                ],
                [
                    370.631549,
                    298.446408
                ],
                [
                    366.934289,
                    287.175884
                ],
                [
                    352.308513,
                    280.096728
                ],
                [
                    355.726157,
                    246.698661
                ],
                [
                    347.052927,
                    236.84853
                ],
                [
                    337.10099,
                    239.689315
                ],
                [
                    333.706237,
                    245.749484
                ],
                [
                    336.31095,
                    280.375967
                ],
                [
                    318.54639,
                    294.021412
                ],
                [
                    311.989583,
                    319.473054
                ],
                [
                    312.222282,
                    332.804357
                ],
                [
                    317.29133,
                    336.716486
                ],
                [
                    318.733306,
                    362.028508
                ],
                [
                    314.826994,
                    367.430838
                ],
                [
                    311.642049,
                    414.160207
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 390.80378399999995,
            "y": 349.61217550000003,
            "width": 73.50006200000001,
            "height": 184.57745700000004,
            "points": [
                [
                    403.930546,
                    429.885279
                ],
                [
                    403.140127,
                    441.900904
                ],
                [
                    410.069251,
                    437.779346
                ],
                [
                    412.649936,
                    413.730644
                ],
                [
                    409.580584,
                    409.783611
                ],
                [
                    415.416781,
                    400.346985
                ],
                [
                    418.834425,
                    366.948919
                ],
                [
                    427.553815,
                    350.794284
                ],
                [
                    427.367656,
                    340.129242
                ],
                [
                    422.902868,
                    313.536446
                ],
                [
                    406.556257,
                    293.81873
                ],
                [
                    407.044167,
                    264.472413
                ],
                [
                    396.417782,
                    257.323447
                ],
                [
                    384.14075,
                    270.206339
                ],
                [
                    386.489493,
                    290.168388
                ],
                [
                    374.072842,
                    295.052499
                ],
                [
                    364.934972,
                    315.881816
                ],
                [
                    364.330712,
                    338.562483
                ],
                [
                    354.053753,
                    380.081498
                ],
                [
                    356.634817,
                    384.703822
                ],
                [
                    360.076109,
                    381.309913
                ],
                [
                    362.726604,
                    361.260602
                ],
                [
                    374.027059,
                    349.728293
                ],
                [
                    389.792302,
                    364.788778
                ],
                [
                    397.558763,
                    379.988883
                ],
                [
                    403.557849,
                    379.884168
                ],
                [
                    396.117166,
                    383.347887
                ],
                [
                    395.489636,
                    404.695424
                ],
                [
                    391.536785,
                    407.431494
                ],
                [
                    403.930546,
                    429.885279
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 515.7385850000001,
            "y": 364.86603249999996,
            "width": 88.75526000000002,
            "height": 195.486833,
            "points": [
                [
                    508.403373,
                    456.065964
                ],
                [
                    515.518657,
                    462.609449
                ],
                [
                    524.494016,
                    461.119247
                ],
                [
                    532.120479,
                    439.649543
                ],
                [
                    538.421317,
                    399.533469
                ],
                [
                    537.444361,
                    372.213025
                ],
                [
                    545.07196,
                    436.756402
                ],
                [
                    547.653024,
                    441.378726
                ],
                [
                    549.582909,
                    437.344431
                ],
                [
                    560.116215,
                    439.160876
                ],
                [
                    550.815077,
                    421.987255
                ],
                [
                    549.209456,
                    330.001267
                ],
                [
                    531.769917,
                    304.968483
                ],
                [
                    536.606267,
                    295.549308
                ],
                [
                    533.280945,
                    276.937843
                ],
                [
                    522.608021,
                    267.122616
                ],
                [
                    508.214943,
                    273.374762
                ],
                [
                    499.472283,
                    288.196266
                ],
                [
                    502.611445,
                    296.14269
                ],
                [
                    490.729622,
                    303.017771
                ],
                [
                    481.219813,
                    331.18803
                ],
                [
                    471.360955,
                    339.361336
                ],
                [
                    475.104756,
                    353.29812
                ],
                [
                    495.31076,
                    336.276217
                ],
                [
                    491.962926,
                    373.673675
                ],
                [
                    474.989542,
                    432.645549
                ],
                [
                    474.315472,
                    451.326825
                ],
                [
                    483.91874,
                    457.160114
                ],
                [
                    505.519801,
                    434.112946
                ],
                [
                    508.403373,
                    456.065964
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 423.448196,
            "y": 287.9914925,
            "width": 72.01230399999997,
            "height": 286.034977,
            "points": [
                [
                    419.834272,
                    366.931467
                ],
                [
                    415.951988,
                    431.008981
                ],
                [
                    420.951226,
                    430.921719
                ],
                [
                    433.088261,
                    381.369018
                ],
                [
                    431.483396,
                    346.725084
                ],
                [
                    435.343168,
                    338.656493
                ],
                [
                    437.458456,
                    287.945185
                ],
                [
                    443.039063,
                    292.515153
                ],
                [
                    449.410088,
                    285.069495
                ],
                [
                    459.454348,
                    230.219179
                ],
                [
                    440.270705,
                    191.214705
                ],
                [
                    420.575881,
                    180.22342
                ],
                [
                    419.040826,
                    149.578876
                ],
                [
                    415.459914,
                    144.974004
                ],
                [
                    405.461437,
                    145.148529
                ],
                [
                    399.253301,
                    161.926097
                ],
                [
                    404.648127,
                    184.502049
                ],
                [
                    387.929955,
                    200.796304
                ],
                [
                    387.442044,
                    230.142621
                ],
                [
                    395.696794,
                    244.667435
                ],
                [
                    395.882953,
                    255.332478
                ],
                [
                    408.090555,
                    267.121221
                ],
                [
                    408.555952,
                    293.783826
                ],
                [
                    419.786976,
                    306.923152
                ],
                [
                    426.0653,
                    322.816001
                ],
                [
                    428.483853,
                    346.777441
                ],
                [
                    419.834272,
                    366.931467
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 360.5974105,
            "y": 233.565386,
            "width": 50.06219500000003,
            "height": 119.06209799999999,
            "points": [
                [
                    352.261973,
                    277.430467
                ],
                [
                    371.538318,
                    293.096435
                ],
                [
                    377.514134,
                    291.65859
                ],
                [
                    375.281361,
                    249.691166
                ],
                [
                    382.141054,
                    270.241244
                ],
                [
                    380.467137,
                    288.939972
                ],
                [
                    385.443106,
                    287.51958
                ],
                [
                    385.628508,
                    240.842569
                ],
                [
                    376.769119,
                    220.327395
                ],
                [
                    365.166156,
                    214.529011
                ],
                [
                    367.583953,
                    181.148398
                ],
                [
                    354.957872,
                    174.034337
                ],
                [
                    350.516732,
                    177.445698
                ],
                [
                    347.749888,
                    190.829357
                ],
                [
                    351.191559,
                    216.106476
                ],
                [
                    338.309888,
                    222.999008
                ],
                [
                    335.566313,
                    237.715798
                ],
                [
                    337.12426,
                    241.022445
                ],
                [
                    347.052927,
                    236.84853
                ],
                [
                    354.679769,
                    244.049854
                ],
                [
                    356.935433,
                    258.679381
                ],
                [
                    352.261973,
                    277.430467
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 306.87286,
            "y": 221.1154295,
            "width": 60.455502000000024,
            "height": 140.514349,
            "points": [
                [
                    300.851261,
                    282.995223
                ],
                [
                    317.500002,
                    291.372604
                ],
                [
                    332.869657,
                    283.769875
                ],
                [
                    336.24114,
                    276.376576
                ],
                [
                    332.72966,
                    247.100067
                ],
                [
                    337.100611,
                    211.018288
                ],
                [
                    331.403655,
                    199.782669
                ],
                [
                    318.777575,
                    192.668608
                ],
                [
                    322.451187,
                    173.934974
                ],
                [
                    319.125866,
                    155.323508
                ],
                [
                    307.546173,
                    150.858255
                ],
                [
                    300.152029,
                    156.988234
                ],
                [
                    297.408455,
                    171.705024
                ],
                [
                    301.780164,
                    192.965299
                ],
                [
                    284.108684,
                    211.943265
                ],
                [
                    276.645109,
                    242.744881
                ],
                [
                    292.805561,
                    251.797554
                ],
                [
                    296.247232,
                    277.074672
                ],
                [
                    300.851261,
                    282.995223
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 261.414316,
            "y": 228.0045885,
            "width": 66.919986,
            "height": 152.93137900000002,
            "points": [
                [
                    250.626556,
                    299.207567
                ],
                [
                    254.719026,
                    304.470278
                ],
                [
                    273.367084,
                    284.141728
                ],
                [
                    269.971953,
                    261.530872
                ],
                [
                    279.295604,
                    222.69557
                ],
                [
                    294.874309,
                    198.419987
                ],
                [
                    270.761615,
                    192.173193
                ],
                [
                    275.248917,
                    162.757065
                ],
                [
                    268.552113,
                    151.538899
                ],
                [
                    261.553179,
                    151.661066
                ],
                [
                    255.182153,
                    159.106723
                ],
                [
                    253.229376,
                    190.478914
                ],
                [
                    232.302384,
                    194.844806
                ],
                [
                    227.954323,
                    203.588689
                ],
                [
                    241.185042,
                    216.69311
                ],
                [
                    244.068993,
                    267.317155
                ],
                [
                    252.230664,
                    276.509447
                ],
                [
                    254.486328,
                    291.138976
                ],
                [
                    250.626556,
                    299.207567
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 218.235085,
            "y": 272.11668,
            "width": 46.318772000000024,
            "height": 207.69443399999997,
            "points": [
                [
                    204.47143,
                    348.020519
                ],
                [
                    207.95964,
                    375.963897
                ],
                [
                    214.586256,
                    354.511647
                ],
                [
                    214.097589,
                    326.515911
                ],
                [
                    229.699564,
                    303.573458
                ],
                [
                    229.303976,
                    280.910243
                ],
                [
                    238.000097,
                    263.422479
                ],
                [
                    241.394471,
                    228.691282
                ],
                [
                    240.161925,
                    215.377432
                ],
                [
                    228.000863,
                    206.254949
                ],
                [
                    231.534857,
                    179.522534
                ],
                [
                    226.837748,
                    168.269463
                ],
                [
                    212.86315,
                    169.846927
                ],
                [
                    208.701249,
                    189.255851
                ],
                [
                    211.93349,
                    202.534797
                ],
                [
                    195.075699,
                    210.83027
                ],
                [
                    199.331058,
                    225.424892
                ],
                [
                    195.703986,
                    246.824787
                ],
                [
                    202.889078,
                    257.367661
                ],
                [
                    200.424742,
                    288.082015
                ],
                [
                    206.703067,
                    303.974863
                ],
                [
                    204.47143,
                    348.020519
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 159.6999155,
            "y": 404.477156,
            "width": 12.71991700000001,
            "height": 69.788636,
            "points": [
                [
                    153.619574,
                    414.251427
                ],
                [
                    166.059874,
                    439.371474
                ],
                [
                    164.455009,
                    404.727539
                ],
                [
                    160.409079,
                    402.131088
                ],
                [
                    157.060487,
                    382.186491
                ],
                [
                    159.873872,
                    371.469092
                ],
                [
                    153.339957,
                    369.582838
                ],
                [
                    153.619574,
                    414.251427
                ]
            ]
        },
        {
            "type": "polygon",
            "label": "person",
            "x": 171.0560845,
            "y": 236.88134200000002,
            "width": 56.78113300000001,
            "height": 146.771848,
            "points": [
                [
                    147.595704,
                    298.338904
                ],
                [
                    151.804523,
                    310.267266
                ],
                [
                    176.405128,
                    287.167743
                ],
                [
                    171.986879,
                    263.241208
                ],
                [
                    175.776841,
                    251.173226
                ],
                [
                    194.657598,
                    244.175978
                ],
                [
                    198.191591,
                    217.443563
                ],
                [
                    190.983229,
                    205.567558
                ],
                [
                    199.446651,
                    174.748491
                ],
                [
                    194.749542,
                    163.495418
                ],
                [
                    180.751674,
                    163.739752
                ],
                [
                    175.403766,
                    172.501087
                ],
                [
                    168.94004,
                    203.285251
                ],
                [
                    156.476848,
                    205.503101
                ],
                [
                    148.175937,
                    216.983053
                ],
                [
                    142.665518,
                    245.083503
                ],
                [
                    155.222167,
                    276.869201
                ],
                [
                    150.316008,
                    282.288983
                ],
                [
                    147.595704,
                    298.338904
                ]
            ]
        }
    ],
    "height": 640,
    "key": "000000017839_jpg.rf.74a8372c5f74f8e6ccbf143b76596555.jpg",
    "width": 640
}
                                

                                

Annotation Editor

Delete
Save (Enter)

Smart Polygon

Click inside to remove area or outside to expand.
Undo
Redo
Simplify
Simple Complex
Delete
Finish (Enter)
180%
Reset