Delete widerface_evaluate/box_overlaps.pyx (#7)

- Delete widerface_evaluate/box_overlaps.pyx (ba0f80bbc6d1470cbe8836c1b2872fa4c6f53f68)


Co-authored-by: Hongyang Wei <[email protected]>

widerface_evaluate/box_overlaps.pyx

@@ -1,55 +0,0 @@
-# --------------------------------------------------------
-# Fast R-CNN
-# Copyright (c) 2015 Microsoft
-# Licensed under The MIT License [see LICENSE for details]
-# Written by Sergey Karayev
-# --------------------------------------------------------
-
-cimport cython
-import numpy as np
-cimport numpy as np
-
-DTYPE = np.float64
-ctypedef np.float_t DTYPE_t
-
-def bbox_overlaps(
-        np.ndarray[DTYPE_t, ndim=2] boxes,
-        np.ndarray[DTYPE_t, ndim=2] query_boxes):
-    """
-    Parameters
-    ----------
-    boxes: (N, 4) ndarray of float
-    query_boxes: (K, 4) ndarray of float
-    Returns
-    -------
-    overlaps: (N, K) ndarray of overlap between boxes and query_boxes
-    """
-    cdef unsigned int N = boxes.shape[0]
-    cdef unsigned int K = query_boxes.shape[0]
-    cdef np.ndarray[DTYPE_t, ndim=2] overlaps = np.zeros((N, K), dtype=DTYPE)
-    cdef DTYPE_t iw, ih, box_area
-    cdef DTYPE_t ua
-    cdef unsigned int k, n
-    for k in range(K):
-        box_area = (
-            (query_boxes[k, 2] - query_boxes[k, 0] + 1) *
-            (query_boxes[k, 3] - query_boxes[k, 1] + 1)
-        )
-        for n in range(N):
-            iw = (
-                min(boxes[n, 2], query_boxes[k, 2]) -
-                max(boxes[n, 0], query_boxes[k, 0]) + 1
-            )
-            if iw > 0:
-                ih = (
-                    min(boxes[n, 3], query_boxes[k, 3]) -
-                    max(boxes[n, 1], query_boxes[k, 1]) + 1
-                )
-                if ih > 0:
-                    ua = float(
-                        (boxes[n, 2] - boxes[n, 0] + 1) *
-                        (boxes[n, 3] - boxes[n, 1] + 1) +
-                        box_area - iw * ih
-                    )
-                    overlaps[n, k] = iw * ih / ua
-    return overlaps