HandNet / calibration.json
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Document the CC BY 4.0 release and add a native preview dataset
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{
"camera": "Intel RealSense depth camera used for HandNet",
"image_width": 320,
"image_height": 240,
"pixel_indexing": "zero-based: u is column, v is row",
"coordinate_system": "camera: +X right, +Y down, +Z away from camera",
"depth_unit": "millimetres",
"position_unit": "millimetres",
"K": [
[240.30773969018747, 0.0, 178.29264757987775],
[0.0, 240.07488537862218, 117.9581118815394],
[0.0, 0.0, 1.0]
],
"backprojection": "Z = depth[v,u]; X = (u-cx)*Z/fx; Y = (v-cy)*Z/fy; ignore Z=0",
"projection": "u = fx*X/Z+cx; v = fy*Y/Z+cy",
"distortion": "No distortion coefficients supplied by the original Parameters.mat; the original viewer applies the pinhole matrix directly.",
"sources": [
"https://github.com/twerdster/HandNet/blob/master/Parameters.mat",
"https://github.com/twerdster/HandNet/blob/master/DisplaySession.m"
]
}