N (class labels) or 2 * N, the first row is class labels, the second line is difficults
N * 4, (xmin, ymin, xmax, ymax)
the array of annotation masks of the targets
N * 4, (xmin, ymin, xmax, ymax)
N (class labels) or 2 * N, the first row is class labels, the second line is difficults
the array of annotation masks of the targets
image target with classes and bounding boxes
N (class labels) or 2 * N, the first row is class labels, the second line is difficults
N * 4, (xmin, ymin, xmax, ymax)
the array of annotation masks of the targets