img_center = img.shape[0]//2, img.shape[1]//2
offsets = np.vstack([ (bboxes[:,0]+bboxes[:,2])/2-img_center[1], (bboxes[:,1]+bboxes[:,3])/2-img_center[0] ])
offset_dist_squared = np.sum(np.power(offsets,2.0),0)
bindex = np.argmax(area-offset_dist_squared*2.0) // some extra weight on the centering
bindex = bindex[0:max_num]
bboxes = bboxes[bindex, :]
landmarks = landmarks[bindex, :]
After Change
offsets = np.vstack([ (bboxes[:,0]+bboxes[:,2])/2-img_center[1], (bboxes[:,1]+bboxes[:,3])/2-img_center[0] ])
offset_dist_squared = np.sum(np.power(offsets,2.0),0)
values = area-offset_dist_squared*2.0 // some extra weight on the centering
bindex = np.argsort(values)[::-1] // some extra weight on the centering
bindex = bindex[0:max_num]
bboxes = bboxes[bindex, :]
landmarks = landmarks[bindex, :]
