Ejemplo n.º 1
0
def get_pred(temp, nms_th, nms_iou, oh, ow):
    '''
    temp:
    cls_i_preds: LongTensor(batch_num, topk)
    cls_p_preds: FloatTensor(batch_num, topk)
    reg_preds:   FloatTensor(batch_num, topk, 4)

    Return:
    cls_i_preds: (LongTensor(s1), LongTensor(s2), ...)
    cls_p_preds: (FloatTensor(s1), FloatTensor(s2), ...)
    reg_preds:   (FloatTensor(s1,4), FloatTensor(s2,4), ...)
    '''
    cls_i_preds, cls_p_preds, reg_preds = temp
    _cls_i_preds, _cls_p_preds, _reg_preds = [], [], []
    for b in range(cls_i_preds.shape[0]):
        cls_i_preds_b = cls_i_preds[b]
        cls_p_preds_b = cls_p_preds[b]
        reg_preds_b = reg_preds[b]
        mask = cls_p_preds_b > nms_th
        cls_i_preds_b = cls_i_preds_b[mask]
        cls_p_preds_b = cls_p_preds_b[mask]
        reg_preds_b = reg_preds_b[mask]
        keep = box_nms(reg_preds_b, cls_p_preds_b, nms_iou)
        cls_i_preds_b = cls_i_preds_b[keep]
        cls_p_preds_b = cls_p_preds_b[keep]
        reg_preds_b = reg_preds_b[keep]
        reg_preds_b[:, :2] = reg_preds_b[:, :2].clamp_(min=0)
        reg_preds_b[:, 2] = reg_preds_b[:, 2].clamp_(max=float(oh[b]) - 1)
        reg_preds_b[:, 3] = reg_preds_b[:, 3].clamp_(max=float(ow[b]) - 1)
        _cls_i_preds.append(cls_i_preds_b)
        _cls_p_preds.append(cls_p_preds_b)
        _reg_preds.append(reg_preds_b)
    return _cls_i_preds, _cls_p_preds, _reg_preds
Ejemplo n.º 2
0
def get_pred(temp, nms_th, nms_iou):
    '''
    temp:
    cls_i_preds: LongTensor(batch_num, topk)
    cls_p_preds: FloatTensor(batch_num, topk)
    reg_preds:   FloatTensor(batch_num, topk, 4)

    Return:
    cls_i_preds: (LongTensor(s1), LongTensor(s2), ...)
    cls_p_preds: (FloatTensor(s1), FloatTensor(s2), ...)
    reg_preds:   (FloatTensor(s1,4), FloatTensor(s2,4), ...)
    '''
    cls_i_preds, cls_p_preds, reg_preds = temp
    _cls_i_preds, _cls_p_preds, _reg_preds = [], [], []
    for b in range(cls_i_preds.shape[0]):
        cls_i_preds_b = cls_i_preds[b]
        cls_p_preds_b = cls_p_preds[b]
        reg_preds_b = reg_preds[b]
        mask = cls_p_preds_b > nms_th
        cls_i_preds_b = cls_i_preds_b[mask]
        cls_p_preds_b = cls_p_preds_b[mask]
        reg_preds_b = reg_preds_b[mask]
        keep = box_nms(reg_preds_b, cls_p_preds_b, nms_iou)
        _cls_i_preds.append(cls_i_preds_b[keep])
        _cls_p_preds.append(cls_p_preds_b[keep])
        _reg_preds.append(reg_preds_b[keep])
    return _cls_i_preds, _cls_p_preds, _reg_preds
Ejemplo n.º 3
0
def get_pred(temp, nms_th, nms_iou):
    '''
    temp:
    pred_cls_i: L(b, topk)
    pred_cls_p: F(b, topk)
    pred_reg:   F(b, topk, 4)

    Return:
    cls_i_preds: (L(s1), L(s2), ...)
    cls_p_preds: (F(s1), F(s2), ...)
    reg_preds:   (F(s1,4), F(s2,4), ...)
    '''
    pred_cls_i, pred_cls_p, pred_reg = temp
    _pred_cls_i, _pred_cls_p, _pred_reg = [], [], []
    for b in range(pred_cls_i.shape[0]):
        m = pred_cls_p[b] > nms_th
        pred_cls_i_b = pred_cls_i[b][m]
        pred_cls_p_b = pred_cls_p[b][m]
        pred_reg_b = pred_reg[b][m]
        keep = box_nms(pred_reg_b, pred_cls_p_b, nms_iou)
        _pred_cls_i.append(pred_cls_i_b[keep])
        _pred_cls_p.append(pred_cls_p_b[keep])
        _pred_reg.append(pred_reg_b[keep])
    return _pred_cls_i, _pred_cls_p, _pred_reg