scripts/utils.py [48:57]:
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        gt_boxes_x = (gt_boxes[:,:,2] - gt_boxes[:,:,0] + 1)
        gt_boxes_y = (gt_boxes[:,:,3] - gt_boxes[:,:,1] + 1)
        gt_boxes_area = (gt_boxes_x * gt_boxes_y).view(batch_size, 1, K)

        anchors_boxes_x = (anchors[:,:,2] - anchors[:,:,0] + 1)
        anchors_boxes_y = (anchors[:,:,3] - anchors[:,:,1] + 1)
        anchors_area = (anchors_boxes_x * anchors_boxes_y).view(batch_size, N, 1)

        gt_area_zero = (gt_boxes_x == 1) & (gt_boxes_y == 1)
        anchors_area_zero = (anchors_boxes_x == 1) & (anchors_boxes_y == 1)
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scripts/utils.py [87:96]:
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        gt_boxes_x = (gt_boxes[:,:,2] - gt_boxes[:,:,0] + 1)
        gt_boxes_y = (gt_boxes[:,:,3] - gt_boxes[:,:,1] + 1)
        gt_boxes_area = (gt_boxes_x * gt_boxes_y).view(batch_size, 1, K)

        anchors_boxes_x = (anchors[:,:,2] - anchors[:,:,0] + 1)
        anchors_boxes_y = (anchors[:,:,3] - anchors[:,:,1] + 1)
        anchors_area = (anchors_boxes_x * anchors_boxes_y).view(batch_size, N, 1)

        gt_area_zero = (gt_boxes_x == 1) & (gt_boxes_y == 1)
        anchors_area_zero = (anchors_boxes_x == 1) & (anchors_boxes_y == 1)
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