updates
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+9
-4
@@ -125,16 +125,21 @@ def xywh2xyxy(x):
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def scale_coords(img1_shape, coords, img0_shape):
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# Rescale coords1 (xyxy) from img1_shape to img0_shape
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# Rescale coords (xyxy) from img1_shape to img0_shape
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gain = max(img1_shape) / max(img0_shape) # gain = old / new
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coords[:, [0, 2]] -= (img1_shape[1] - img0_shape[1] * gain) / 2 # x padding
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coords[:, [1, 3]] -= (img1_shape[0] - img0_shape[0] * gain) / 2 # y padding
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coords[:, :4] /= gain
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coords[:, [0, 2]] = coords[:, [0, 2]].clamp(min=0, max=img0_shape[1]) # clip x
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coords[:, [1, 3]] = coords[:, [1, 3]].clamp(min=0, max=img0_shape[0]) # clip y
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clip_coords(coords, img0_shape)
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return coords
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def clip_coords(boxes, img_shape):
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# Clip bounding xyxy bounding boxes to image shape (height, width)
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boxes[:, [0, 2]] = boxes[:, [0, 2]].clamp(min=0, max=img_shape[1]) # clip x
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boxes[:, [1, 3]] = boxes[:, [1, 3]].clamp(min=0, max=img_shape[0]) # clip y
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def ap_per_class(tp, conf, pred_cls, target_cls):
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""" Compute the average precision, given the recall and precision curves.
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Source: https://github.com/rafaelpadilla/Object-Detection-Metrics.
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@@ -582,7 +587,7 @@ def kmeans_targets(path='./data/coco_64img.txt'): # from utils.utils import *;
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# Plotting functions ---------------------------------------------------------------------------------------------------
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def plot_one_box(x, img, color=None, label=None, line_thickness=None):
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# Plots one bounding box on image img
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tl = line_thickness or round(0.002 * (img.shape[0]+img.shape[1])/2) + 1 # line thickness
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tl = line_thickness or round(0.002 * (img.shape[0] + img.shape[1]) / 2) + 1 # line thickness
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color = color or [random.randint(0, 255) for _ in range(3)]
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c1, c2 = (int(x[0]), int(x[1])), (int(x[2]), int(x[3]))
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cv2.rectangle(img, c1, c2, color, thickness=tl)
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