def im_detect_keypoints_aspect_ratio(
    model, im, aspect_ratio, boxes, hflip=False
):
    """Detects keypoints at the given width-relative aspect ratio."""

    # Perform keypoint detectionon the transformed image
    im_ar = image_utils.aspect_ratio_rel(im, aspect_ratio)
    boxes_ar = box_utils.aspect_ratio(boxes, aspect_ratio)

    if hflip:
        heatmaps_ar = im_detect_keypoints_hflip(
            model, im_ar, cfg.TEST.SCALE, cfg.TEST.MAX_SIZE, boxes_ar
        )
    else:
        im_scale = im_conv_body_only(
            model, im_ar, cfg.TEST.SCALE, cfg.TEST.MAX_SIZE
        )
        heatmaps_ar = im_detect_keypoints(model, im_scale, boxes_ar)

    return heatmaps_ar
Detects keypoints at the given width-relative aspect ratio.
detectron/core/test.py