{
       "input": {
         "color": "RGB",
         "dtype": "float32",
         "layout": "NCHW",
         "resize": { "mode": "stretch", "size": [320, 320] }
       },
       "decoder": {
         "type": "retinaface",
         "steps": [8, 16, 32],
         "min_sizes": [[16, 32], [64, 128], [256, 512]],
         "variances": [0.1, 0.2],
         "score_index": 1,
         "conf_mode": "auto",
         "nms_iou_thresh": 0.4
       },
       "outputs": {
         "loc": { "name": "output0" },
         "conf": { "name": "572" },
         "landmarks": { "name": "571" }
       }
}