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tensorflow2

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This commit is contained in:
Daniel Saavedra
2020-03-25 18:23:00 -03:00
parent 7010af8a58
commit 7cf0c577a1
25 changed files with 1016 additions and 309 deletions
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50
keras-yolo3-master/utils/bbox.py
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@@ -9,7 +9,7 @@ class BoundBox:
self.ymin = ymin
self.xmax = xmax
self.ymax = ymax
self.c = c
self.classes = classes
@@ -19,14 +19,14 @@ class BoundBox:
def get_label(self):
if self.label == -1:
self.label = np.argmax(self.classes)
return self.label
def get_score(self):
if self.score == -1:
self.score = self.classes[self.get_label()]
return self.score
return self.score
def _interval_overlap(interval_a, interval_b):
x1, x2 = interval_a
@@ -41,49 +41,51 @@ def _interval_overlap(interval_a, interval_b):
if x2 < x3:
return 0
else:
return min(x2,x4) - x3
return min(x2,x4) - x3
def bbox_iou(box1, box2):
intersect_w = _interval_overlap([box1.xmin, box1.xmax], [box2.xmin, box2.xmax])
intersect_h = _interval_overlap([box1.ymin, box1.ymax], [box2.ymin, box2.ymax])
intersect_h = _interval_overlap([box1.ymin, box1.ymax], [box2.ymin, box2.ymax])
intersect = intersect_w * intersect_h
w1, h1 = box1.xmax-box1.xmin, box1.ymax-box1.ymin
w2, h2 = box2.xmax-box2.xmin, box2.ymax-box2.ymin
union = w1*h1 + w2*h2 - intersect
if union == 0: return 0
return float(intersect) / union
def draw_boxes(image, boxes, labels, obj_thresh, quiet=True):
for box in boxes:
label_str = ''
label = -1
for i in range(len(labels)):
if box.classes[i] > obj_thresh:
if label_str != '': label_str += ', '
label_str += (labels[i] + ' ' + str(round(box.get_score()*100,0)) + '%')
label = i
if not quiet: print(label_str)
if label >= 0:
text_size = cv2.getTextSize(label_str, cv2.FONT_HERSHEY_SIMPLEX, 1.1e-4 * image.shape[0], 2)
width, height = text_size[0][0], text_size[0][1]
region = np.array([[box.xmin-3, box.ymin],
[box.xmin-3, box.ymin-height-16],
[box.xmin+width+6, box.ymin-height-16],
[box.xmin+width+6, box.ymin]], dtype='int32')
region = np.array([[box.xmin-3, box.ymin],
[box.xmin-3, box.ymin-height-16],
[box.xmin+width+6, box.ymin-height-16],
[box.xmin+width+6, box.ymin]], dtype='int32')
cv2.rectangle(img=image, pt1=(box.xmin,box.ymin), pt2=(box.xmax,box.ymax), color=get_color(label), thickness=1)
cv2.fillPoly(img=image, pts=[region], color=get_color(label))
cv2.putText(img=image,
text=label_str,
org=(box.xmin+6, box.ymin - 6),
fontFace=cv2.FONT_HERSHEY_SIMPLEX,
fontScale=0.7e-3 * image.shape[0],
color=(0,0,0),
cv2.putText(img=image,
text=label_str,
org=(box.xmin+6, box.ymin - 6),
fontFace=cv2.FONT_HERSHEY_SIMPLEX,
fontScale=0.7e-3 * image.shape[0],
color=(0,0,0),
thickness=2)
return image
return image