RectLabel

An offline image annotation tool for object detection and segmentation.

To download RectLabel apps.

Post the problem to our Github issues.

Have questions? Send an email to support@rectlabel.com.

Thank you.

Export Create ML JSON file

Annotation files are exported as an Create ML JSON file.

Put training images and the JSON file into the same folder.
If you encouter errors, Empty table from specified data source.

[{
    "image": "sneakers-1.jpg",
    "annotations": [
    {
        "label": "sneakers",
        "coordinates":
        {
            "y": 838,
            "x": 393,
            "width": 62,
            "height": 118
        }
    },
    {
        "label": "sneakers",
        "coordinates":
        {
            "y": 881,
            "x": 392,
            "width": 51,
            "height": 102
        }
    }]
}]

Import Create ML JSON file

The Create ML JSON file is imported to annotation files in the current folder.
Before importing, be sure that you opened images folder and annotations folder.
RectLabel can import from “imagefilename” and “annotation” keys, too.

Export images for classification

All images are exported into object-named subfolders.

Creating an Image Classifier Model on Create ML.

└── saved_folder
    ├── object_name0
    ├── object_name1
    └── object_name2

Export COCO JSON file

Annotation files are exported as an COCO JSON file. This format is for Detectron2.

Specify the split ratio “80/10/10” so that all images are split into train, validation, and test sets.
When the shuffle checkbox is ON, images are randomly shuffled everytime you export.

For a box object, “segmentation” is exported as empty.

"annotations": [
{
    "area": 254521,
    "bbox": [2150, 419, 595, 428],
    "category_id": 14,
    "id": 1,
    "image_id": 1,
    "iscrowd": 0,
    "segmentation": []
},

For a rotated box/polygon/line/point object, “segmentation” is exported as polygons.

"annotations": [
{
    "area": 164608,
    "bbox": [132, 417, 594, 432],
    "category_id": 14,
    "id": 1,
    "image_id": 1,
    "iscrowd": 0,
    "segmentation": [
        [136, 557, 152, 532, 191, 509, 266, 482, 367, 456, 375, 428, 427, 417, 486, 443, 516, 481, 518, 499, 564, 522, 611, 518, 661, 536, 701, 557, 724, 574, 719, 597, 691, 645, 723, 654, 715, 678, 695, 719, 681, 759, 681, 791, 670, 801, 659, 789, 656, 765, 627, 756, 644, 778, 629, 832, 591, 842, 553, 834, 514, 809, 494, 781, 491, 767, 433, 769, 403, 761, 405, 794, 387, 823, 369, 840, 344, 847, 309, 837, 295, 810, 286, 776, 290, 755, 297, 741, 259, 723, 216, 693, 179, 658, 147, 629, 132, 601, 132, 577]
    ]
},

For a pixels object, “segmentation” is exported as RLE. RLE is encoding the mask image using the COCO API.

"annotations": [
{
    "area": 1022954,
    "bbox": [212, 0, 4204, 2960],
    "category_id": 26,
    "id": 1,
    "image_id": 1,
    "iscrowd": 0,
    "segmentation":
    {
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        "size": [3317, 4417]
    }
},

For a keypoints object, “keypoints” and “num_keypoints” are exported.

You can export a keypoints object combined with a polygon object when you aligned the keypoints object at the row and the polygon object at the row + 1 on the labels table.

"annotations": [
{
    "area": 555429,
    "bbox": [732, 1446, 864, 1309],
    "category_id": 1,
    "id": 1,
    "image_id": 1,
    "iscrowd": 0,
    "keypoints": [1108, 1633, 2, 1104, 1603, 2, 1112, 1596, 1, 1149, 1593, 2, 1146, 1582, 1, 1108, 1730, 2, 1334, 1687, 2, 1061, 1890, 2, 1387, 1936, 2, 1017, 1665, 2, 1458, 2106, 2, 1160, 2060, 2, 1299, 2053, 2, 1174, 2291, 2, 1196, 2291, 2, 1321, 2609, 2, 1196, 2590, 2],
    "num_keypoints": 17,
    "segmentation": [
        [986, 1654, 1030, 1613, 1087, 1596, 1105, 1511, 1168, 1485, 1183, 1449, 1216, 1446, 1239, 1496, 1260, 1557, 1236, 1619, 1267, 1662, 1359, 1678, 1411, 1864, 1477, 2065, 1494, 2157, 1594, 2367, 1454, 2488, 1330, 2578, 1359, 2618, 1409, 2659, 1384, 2695, 1319, 2754, 1303, 2741, 1300, 2710, 1250, 2702, 1099, 2720, 1048, 2705, 1042, 2673, 1105, 2655, 1159, 2601, 1165, 2485, 1054, 2414, 895, 2340, 789, 2304, 732, 2278, 794, 2135, 889, 2013, 970, 1913, 968, 1714]
    ]
},

You can export a keypoints object combined with a pixels object when you aligned the keypoints object at the row and the pixels object at the row + 1 on the labels table.

"annotations": [
{
    "area": 2977340,
    "bbox": [1435, 1125, 1105, 3708],
    "category_id": 1,
    "id": 1,
    "image_id": 1,
    "iscrowd": 0,
    "keypoints": [1904, 1495, 2, 1970, 1417, 2, 1822, 1433, 2, 2068, 1481, 2, 1730, 1533, 2, 2308, 1951, 2, 1595, 2075, 2, 2369, 2555, 2, 1561, 2614, 2, 2371, 3076, 2, 1508, 3136, 2, 2172, 3035, 2, 1753, 3101, 2, 2280, 4034, 2, 1806, 4124, 2, 2367, 4833, 1, 1842, 4833, 1],
    "num_keypoints": 17,
    "segmentation":
    {
        "counts": "ZUhc6a0af4b0]Oc0^Oa0^Oc0]Ob0_Ob0]Oc0]Ob0_Ob0]Oc0nnKjJS_3h5T`LkKa^3g4d`LmLP^3f3VaLmM_]3d2haLoNl\\3d1YbLi8bS3jGdkLg8ST3iGTkLi8bT3gGgjLj8oT3gGYjLj8^U3eGjiLm8lU3dG\\iLm8[V3fGihLl8mV3oGQhLb8eW3YHXgLZ8^X3aH_fLP8WY3kHgeLf7oY3UIndL]7iZ3]IUdLT7a[3`b0G9F:F9H1N2N2O1N2O1N2N2O1N2N2O1N2O1N2N2O1N2N2K5J6J6J6K5J6J6J6J6J6J6J6J5K6J6J6J6J6J6J6J6J6J6J6J6J6PgMn]Nd[1]c1WdNh\\NVZ1kd1eeNY[NoY1Te1leNP[NSZ1Re1heNS[NVZ1od1eeNU[NZZ1md1aeNW[N^Z1kd1]eNY[NbZ1id1YeN\\[NeZ1fd1VeN^[NiZ1dd1ReN`[NlZ1cd1odNb[NoZ1`d1ldNd[NS[1^d1hdNf[NW[1\\d1ddNh[N[[1Zd1bdNi[N[[1Zd1bdNh[N\\[1[d1`dNh[N^[1[d1_dNh[N_[1Zd1^dNh[N`[1[d1]dNg[Na[1\\d1\\dNg[Na[1\\d1\\dNf[Nc[1\\d1ZdNf[Nd[1]d1YdNe[Ne[1^d1XdNe[Nf[1]d1VdNf[Nh[1]d1UdNe[Ni[1]d1UdNf[Nh[1]d1UdNe[Nj[1]d1SdNe[Nk[1^d1RdNd[N^[1md1_dNV[NlZ1_e1QeNcZNZZ1Sf1ceNoYNTZ1[f1heNiYNTZ1[f1ieNgYNUZ1\\f1heNfYNUZ1^f1heNeYNUZ1^f1heNdYNUZ1`f1heNbYNVZ1af1geNaYNVZ1bf1heNaYNTZ1cf1ieN_YNUZ1cf1heN`YNUZ1cf1ieN`YNTZ1cf1ieN_YNTZ1df1jeN^YNTZ1ef1ieN]YNTZ1ff1jeN]YNSZ1ef1keN]YNRZ1gf1keN[YNSZ1gf1jeN]YNoV1ji1nhNXVNPW1ji1nhNXVNoV1ki1ohNWVNnV1mi1ohNVVNmV1mi1QiNUVNlV1ni1RiNTVNkV1Pj1RiNSVNjV1Pj1TiNRVNjV1Qj1RiNRVNkV1Qj1SiNRVNiV1Qj1UiNQVNhV1ej1chN]UNZW1[k1ogNgTNnW1Pl1\\gNSTNaX1dl1hfN^SNUY1Ym1UfNiRNhY1mm1ceNVRNYZ1Xn1XeNlQNeZ1an1mdNcQNP[1jn1cdNYQN`CdIWd1aU2jgNPQNkCcIXd1iU2_gNhPNVDbIXd1TV2SgN^PNbDaIXd1^V2ifNUPNlD`IWd1iV2^fNkoMXE_IWd1SW2SfNboMcE^IWd1]W2heNZoMmE]IXd1fW2\\eNQoMZF[IWd1QX2ReNgnMdF[IWd1\\X2fdN]nMPG[IVd1eX2\\dNUnMZGYIWd1oX2QdNlmMeGXIWd1ZY2fcNamMQHXIUd1gY2YcNVmM^HVIWd1RZ2kbNllMkHUIWd1_Z2]bN`lMYIUIVd1jZ2RbNTlMfITIUd1W[2eaNjkMRJRIVd1d[2WaN^kM`JRIUd1o[2k`NSkMmJQIVd1[\\2\\`NijM[KnHVd1h\\2l_NajMkKkHUd1T]2S_NajMeL^H?mMfa1c_2Y`NcjM_MPH=oMha1m_2`_NejMXNbG:QNka1X`2f^NejMROUG7UNma1``2n]NfjMKhF5WNPb1j`2R]NijMe0ZF3XNSb1]m2h]N]TM0[NUb1[m2h]N]TMM^NXb1Ym2g]N]TMK_N[b1Wm2g]N]TMIaN]b1Um2h]N\\TMFdN`b1Rm2g]N[VMVb1ii2f]NZVMWb1ii2f]N[VMVb1hi2h]NZVMUb1[o2M3M3N2O1O100O1O1O2M2O1O1O1O1O1O1O1O1O2N1O1N2O1O1O1O1O1O1O1O2N1O1O1N2O1O1O1O1O1O1O2N1O1O1O1N200O1O1O1O2N1O100O1O1O1O1O1O100O2N1O1O1O1O1O100O1O1O2N1O1O100O1O1O1O1O1O101N1O1O1O1O1O100O1O1O9G?A>B?A>C=B?A>B?A>B>B?B4K5K5K4L5L4K5K5K5K5L4K5K4L5K5L4K5K5K5L4K4L5K5K5L4K5K5K5K4M4K1O1O100O1O1O1O100O1O1O1O100O1O1O100O1O1O1O100O10000O100O10000O10000O100O10000O10000O100O10000O10000O100O10000O100O10000O10000O100O10000O10000O100O10000O10000O100O10000O100O10000O10000O100O10000O100O1O100O1O1O100O100O100O100O100O100O100O100O100O100O10000O100O100O100O100O100O100O100O100O100O100O100O1000000001O00001O0000001O0000001O0000001O0000001O00000`N`1UMl2UOj0ZOf0ZOf0YOh0YOf0ZOg0N2O1O001O1O1O0O2O1O1O001O1O1O0O2O1O00001O00001N10001O0000001O0O101O1O1O1O1O1O1N2O1O1O1O1O1O1O1N2O1O1O1O1O1O001N2O1O1O1O1O1O1O1jhL\\bNkT3f]1TkL[bNkT3f]1TkLZbNlT3g]1SkLZbNlT3g]1SkLYbNmT3h]1RkLYbNmT3h]1RkLXbNnT3i]1QkLXbNnT3i]1QkLWbNnT3k]1QkLVbNnT3k]1QkLUbNoT3l]1PkLUbNoT3l]1PkLTbNPU3m]1ojLTbNPU3l]1ojLUbNQU3l]1mjLUbNSU3l]1kjLVbNSU3l]1ljLTbNTU3m]1jjLUbNUU3l]1ijLUbNWU3l]1gjLVbNXU3k]1fjLVbNZU3k]1ejLVbNZU3k]1djLWbN[U3j]1cjLYbNZU3i]1djLYbN[U3h]1cjLZbN\\U3g]1bjL[bN\\U3g]1cjL[bN[U3f]1cjL\\bN\\U3e]1\\jLcbNbU3_]1RjLmbNmU3V_1N1N2O2N1N2O1N3N1O1N2O2N2M3N3L3N2N2N2O2M2N2N2N2N3M2O1N2N2N3M2N2N2O1N3M2N2N2N2N3N1N2N2N2N2N1O2O1N2N2N2N2N1O2O1N2N2N2N2N5K4M4K4L5K4L5K4L5K4L5K4L5K4L5K>B?A?A?A?A`0@5K1N3N2N1O2N1O2N1O2N2N1O2N1O2N2N1O2M4M3M2N3M3M2N3M3M2N3M3M2N3M2N3M2M4L4L3M4kYMjSNXa2Xl1d^MkSNZa2Yl1a^MiSN^a2Zl1^^MhSNaa2\\l1Y^MhSNea2[l1W^MgSNia2\\l1R^MfSNma2]l1o]MeSNPb2_l1k]MdSNSb2_l1h]MdSNWb2`l1d]MbSN[b2bl1`]MaSN_b2fl1X]M\\SNgb2kl1Q]MWSNnb2Qm1i\\MRSNUc2Um1b\\MnRN]c2Zm1Z\\MhRNfc2_m1Q\\MdRNmc2cm1k[M_RNTd2im1c[MYRN\\d2om1Z[MURNed2Qn1S[MQRNmd2Vn1jZMlQNVe2QP2O00001O0000001O00001O00001O00001O00001O0003N1N3M2O2M2N3M2O2M2N2O2M2N3N1N3M2O2M2N2O2M2N3N1N3M2O2M2ZWNTYMRa1of2e^NWYM[a1kf2]^N[YMda1ff2Z^NZYMfa1if2W^NWYMia1kf2T^NVYMma1lf2P^NTYMPb1nf2m]NSYMSb1Pg2j]NPYMWb1Qg2g]NoXMYb1Tg2c]NmXM]b1Ug2a]NkXM`b1Wg2\\]NjXMdb1Xg2Z]NhXMfb1\\g2U]NeXMlb1]g2Q]NcXMob1`g2n\\N`XMRc1cg2W[NlWMcMb0Wg1dg2Q[NmWMgM?Xg1gg2lZNnWMiM<[g1ig2hZNmWMlM:]g1kg2bZNnWMoM8_g1mg2^ZNnWMQN5ag1Qh2XZNmWMVN2bg1Th2SZNmWMYN0eg1Uh2nYNnWM[NMgg1Xh2iYNnWM^NKig1Zh2eYNmWMaNIkg1\\h2_YNoWMdNEmg1_h2[YNnWMfNDog1ah2VYNnWMjNAQh1ch2PYNPXMlN^OTh1fh2kXNnWMPO\\OUh1ih2fXNnWMSOZOXh1jh2aXNoWMUOWOZh1mh2\\XNoWMYOTO[h1Pi2WXNoWM\\ORO^h1Ri2QXNoWM_OoN`h1Ui2lWNoWMBmNbh1Xi2gWNmWMFkNdh1Zi2aWNoWMIgNfh1^i2[WNnWMLfNih1_i2WWNnWMLeNnh1_i2QWNQYMoh1aj200001O000000000000001O000000000000001O000000000000001O000000000000001O0000000000001O000000000000001O001O001O001O001O001O001O001O001O001O001O001O001O001O1O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O001O2N3M2N2N3M2N3M2N2N3M2N3M2N3M2N2N3M2N3UC]TNQnMek1mQ2dTNjmM_k1SR2kTNcmMWk1[R2SUN[mMoj1VX1TTN\\VOW1TAhj1RX1nTNXVOd0\\A`j1oW1hUNTVO2cAZj1jW1`VNRVO@jAWj1bW1UWNSVOnNQBSj1[W1lWNRVO[NYBPj1RW1bXNTVOhM`Bmi1jV1WYNPgNZJU7l2gJii1[ObSNjm0\\6cmNWLa:k1nHWh1KiTN\\n0j5PkNUNk=l0RGcf1S1[UNoLUN^l0V>]^O\\I^ETe1V2lUN^LlN_l0U=^_OQI]EYe1e1]VNnK[Ogl0Z]1M4L4L4LlXZS5",
        "size": [4834, 3648]
    }
},

In “categories”, “keypoints” and “skeleton” are exported.

"categories": [
{
    "id": 1,
    "keypoints": ["nose", "leftEye", "rightEye", "leftEar", "rightEar", "leftShoulder", "rightShoulder", "leftElbow", "rightElbow", "leftWrist", "rightWrist", "leftHip", "rightHip", "leftKnee", "rightKnee", "leftAnkle", "rightAnkle"],
    "name": "person",
    "skeleton": [
        [9, 11],
        [6, 12],
        [14, 16],
        [7, 13],
        [15, 17],
        [12, 13],
        [14, 12],
        [8, 6],
        [10, 8],
        [6, 7],
        [9, 7],
        [15, 13],
        [5, 3],
        [3, 1],
        [1, 2],
        [2, 4]
    ]
},

keypoints_pixels_coco

Import COCO JSON file

The COCO JSON file is imported to annotation files in the current folder.
Before importing, be sure that you opened images folder and annotations folder.

Import COCO JSON per image files

You can import the COCO RLE JSON files of the SA-1B dataset.

This COCO format does not include the “category_id” so that each label name is set to the recently used label name.
Before importing, be sure that you opened images folder and annotations folder.

{
    "image":
    {
        "image_id": 1,
        "width": 1500,
        "height": 2060,
        "file_name": "sa_1.jpg"
    },
    "annotations": [
    {
        "bbox": [866.0, 946.0, 132.0, 199.0],
        "area": 14773,
        "segmentation":
        {
            "size": [2060, 1500],
            "counts": "TS_f15SP27K3N2iTNHWf1:bYN0Yf12cYN1\\f11mWN7SNKni11PVNS2OmMPj15aUN\\2;aMSj1m3`UNVL_j1m4N1O1O1O10000O10O10O100000000O10000O100O1O100O101O000000000O10O101N1N2N2O1O100O100\\KhUNT3Wj1jLnUNS3Tj1kLoUNR3Rj1mLTVNW3ci1hL`VNW3_i1hLdVNV3\\i1iLfVNV3Zi1jLgVNU3Yi1jLiVNV3Vi1jLlVNT3Ti1kLnVNT3Ri1lLoVNS3Qi1lLQWNS3oh1mLRWNR3nh1nLSWNQ3mh1nLVWNP3jh1PMWWNo2ih1QMXWNl2jh1TMWWNg2mh1XMUWNV1gNlN_j1NkVNS1jNkN]j12jVNQ1lNiN\\j16jVNm0mNjN[j19iVNk0nNjNZj1;iVNh0QOkNVj1=jVNe0TOjNTj1a0jVN3EXObi1e0YYNVOjf1j0\\4001O00001O00001O00001O10O01O001O1O1O1O1O2N1O1O1O1O1O1O100O101N10000O00100O1O1O100O1O1O0000lNRRNGQn17S1O2N1O101M4Mom^o0"
        },
        "predicted_iou": 0.9523417353630066,
        "point_coords": [
            [940.9375, 1034.5625]
        ],
        "crop_box": [622.0, 902.0, 567.0, 707.0],
        "id": 523353737,
        "stability_score": 0.9742233753204346
    },
    ...
}

Export Labelme JSON files

Annotation files are exported as Labelme JSON files.

{
    "flags":
    {},
    "imageData": null,
    "imageHeight": 3022,
    "imagePath": "wembley-S3Vq97p3gSk-unsplash.jpg",
    "imageWidth": 4666,
    "shapes": [
    {
        "flags":
        {},
        "group_id": null,
        "label": "anemonefish",
        "points": [
            [2152.53857421875, 556.815673828125],
            [2149.539306640625, 586.8057861328125],
            [2156.53759765625, 613.79681396484375],
            [2245.5185546875, 698.7686767578125],
            [2314.50390625, 737.75579833984375],
            [2308.505126953125, 782.74090576171875],
            [2315.503662109375, 814.73028564453125],
            [2331.500244140625, 835.723388671875],
            [2383.489013671875, 836.7230224609375],
            [2420.481201171875, 800.73492431640625],
            [2427.479736328125, 785.73992919921875],
            [2424.480224609375, 764.746826171875],
            [2511.461669921875, 775.74322509765625],
            [2524.458740234375, 795.736572265625],
            [2580.44677734375, 830.72503662109375],
            [2647.432373046875, 827.72601318359375],
            [2661.429443359375, 795.736572265625],
            [2661.429443359375, 772.74420166015625],
            [2653.43115234375, 757.7491455078125],
            [2675.426513671875, 762.74749755859375],
            [2681.42529296875, 800.73492431640625],
            [2692.4228515625, 797.7359619140625],
            [2701.4208984375, 737.75579833984375],
            [2723.416259765625, 687.7723388671875],
            [2744.41162109375, 662.78057861328125],
            [2735.41357421875, 647.78558349609375],
            [2722.41650390625, 650.78460693359375],
            [2697.421875, 641.78753662109375],
            [2737.4130859375, 599.80145263671875],
            [2737.4130859375, 569.8114013671875],
            [2668.427978515625, 529.82464599609375],
            [2580.44677734375, 522.82696533203125],
            [2535.45654296875, 494.83621215820312],
            [2533.45703125, 482.84017944335938],
            [2508.46240234375, 447.85174560546875],
            [2452.474365234375, 422.86001586914062],
            [2432.478515625, 420.86068725585938],
            [2393.48681640625, 430.85739135742188],
            [2375.49072265625, 457.84844970703125],
            [2284.51025390625, 479.84115600585938],
            [2215.525146484375, 506.83224487304688],
            [2160.536865234375, 543.82000732421875]
        ],
        "shape_type": "polygon"
    }],
    "version": "4.0.0"
}

Import Labelme JSON files

The Labelme JSON files are imported to annotation files in the current folder.
Before importing, be sure that you opened images folder and annotations folder.

Export YOLO txt files

Annotation files are exported as YOLO text files. A YOLO text file is saved per an image.

├── datasets
│   └── sneakers
│       ├── images
│       └── labels
└── yolov5
    └── data
        └── sneakers.yaml

For a box object, the bounding box is saved. center_x, center_y, width, and height are float values relative to width and height of the image.

class_index center_x center_y width height
0 0.464615 0.594724 0.680000 0.769784

For a rotated box/polygon/cubic bezier/line/point/pixels object, the points coordinates are saved. This format is for YOLOv5 and YOLOv8 Instance Segmentation.

class_index x1 y1 x2 y2 x3 y3 ...
0 0.180027 0.287930 0.181324 0.280698 0.183726 0.270573 ...

For a keypoints object, the bounding box and the points coordinates are saved. This format is for YOLOv8 and YOLO-Pose.

class_index center_x center_y width height x1 y1 v1 x2 y2 v2 x3 y3 v3 ...
0 0.545230 0.616880 0.298794 0.766239 0.522073 0.309332 2 0.540170 0.293193 2 0.499589 0.296503 2 ...

yolo_polygon

Import YOLO txt files

The YOLO text files are imported to annotation files in the current folder.
Before importing, be sure that you opened images folder and annotations folder.

Export DOTA txt files

Annotation files are exported as DOTA text files. This format is for Yolov5 for Oriented Object Detection, MMRotate, and YOLOv8 OBB.

Settings menu.

“Use truncated, occluded, and difficult tags” is to show truncated, occluded, and difficult checkboxes on the label dialog.

x1 y1 x2 y2 x3 y3 x4 y4 category difficult
1300.536987 1413.503784 1192.848755 1535.568848 530.876038 951.562073 638.564270 829.497009 truck 0

draw_obb

Import DOTA txt files

The DOTA text files are imported to annotation files in the current folder.
Before importing, be sure that you opened images folder and annotations folder.

Export train/val/test folders

Specify the split ratio “80/10/10” so that images are split into train, validation, and test sets.
When the shuffle checkbox is ON, images are randomly shuffled everytime you export.
You can export train/val/test folders and the yaml file at once in the YOLO format. This exported folder can be uploaded to Roboflow directly.

Export train/val/test.txt files

Specify the split ratio “80/10/10” so that images are split into train, validation, and test sets.
When the shuffle checkbox is ON, images are randomly shuffled everytime you export.
Using “Full path” option, you can save full paths. Or you can add prefix to file names.
In the specified folder, train.txt, val.txt, and test.txt are saved.

/Users/ryo/Desktop/test_annotations/sneakers/images/sneakers-1.jpg
/Users/ryo/Desktop/test_annotations/sneakers/images/sneakers-2.jpg
...

Export object names file

Export a yaml file as dictionary for YOLOv5 and YOLOv8.

The “flip_idx” array is to flip the “left” included keypoint position and the “right” included keypoint position.

path: ../datasets/keypoints
train: images
val: images

kpt_shape: [17, 3]
flip_idx: [0, 2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13, 16, 15]

names:
  0: person

Export a yaml file as array for YOLOv5.

path: ../datasets/sneakers
train: images
val: images

nc: 2
names: ['sneakers', 'ignore']

Export an object names text file.

sneakers
ignore

Export a label map file for Tensorflow Object Detection API.

item {
  id: 1
  name: 'sneakers'
}

item {
  id: 2
  name: 'ignore'
}

Import object names file

You can import an object names file or import object names from xml files.

Export mask images

You can specify which mask image to export.

Export an image includes all objects: An indexed color image which includes all objects is saved as {image_file_name}_all_objects.png.
Export an image per object class: A grayscale image per object class is saved as {image_file_name}class{class_name}.png.
Export an image per object: A grayscale image per object is saved as {image_file_name}_object{object_idx}.png.

For the indexed color image.

The indexed color table is created from object colors on the objects table.
Overlaps of objects are based on the layer order on the labels table.

mask

Export screenshots

You can export images and annotations as jpg images.

View menus.

“Show labels on boxes” to show labels on boxes.
“Show coordinates on boxes” to show (x, y) coordinates on boxes.

screenshot

Export augmented images

You can augment images and annotations using “Flip”, “Crop”, “Contrast”, and “Rotate”.

For “Flip”, each image is flipped horizontally with 0.5 probability.
For “Crop”, each image is cropped to [100% - value, 100%] of the original size.
For “Contrast”, each image contrast is changed to [100% - value, 100% + value].
For “Rotate”, each image is rotated to [-value, value] degrees.
For “Number of augmented images”, it means the number of augmented images from an image.
If the object is cut out so that the bounding box size is less than 0.01 of the original size, the object is removed.
To flip keypoints horizontally, use “left” and “right” in each keypoint name.

Settings menu.

“Rotate boxes as rotated boxes when augment” is to rotate boxes as rotated boxes when augment.

augment

Export sliced images

You can slice images and annotations horizontally and vertically.

For “Horizontal slices”, each image is sliced horizontally by the number of horizontal slices.
For “Vertical slices”, each image is sliced vertically by the number of vertical slices.

slice

Export objects and attributes stats

The number of used objects is saved as objects_stats.txt file.
The number of used attributes is saved as attributes_stats.txt file.