79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
import numpy as np
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def center_coordinate(boundbxs):
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'''
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输入：两个对角坐标xyxy
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输出：矩形框重点坐标xy
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'''
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boundbxs_x1=boundbxs[0]
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boundbxs_y1=boundbxs[1]
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boundbxs_x2=boundbxs[2]
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boundbxs_y2=boundbxs[3]
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center_x=0.5*(boundbxs_x1+boundbxs_x2)
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center_y=0.5*(boundbxs_y1+boundbxs_y2)
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return center_x,center_y
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def fourcorner_coordinate(boundbxs):
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'''
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输入：两个对角坐标xyxy
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输出：矩形框四个角点坐标，以contours顺序。
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'''
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boundbxs_x1=boundbxs[0]
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boundbxs_y1=boundbxs[1]
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boundbxs_x2=boundbxs[2]
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boundbxs_y2=boundbxs[3]
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wid=boundbxs_x2-boundbxs_x1
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hei=boundbxs_y2-boundbxs_y1
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boundbxs_x3=boundbxs_x1+wid
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boundbxs_y3=boundbxs_y1
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boundbxs_x4=boundbxs_x1
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boundbxs_y4 = boundbxs_y1+hei
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contours_rec=[[boundbxs_x1,boundbxs_y1],[boundbxs_x3,boundbxs_y3],[boundbxs_x2,boundbxs_y2],[boundbxs_x4,boundbxs_y4]]
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return contours_rec
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def remove_simivalue(list1,list2):
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'''
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将list1中属于list2的元素都删除。
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输入：两个嵌套列表
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返回：嵌套列表
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'''
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list33=list1.copy()
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for i in range(len(list1)):
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for j in range(len(list2)):
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if list2[j] == list1[i]:
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# list33.pop(list1[i])
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list33.remove(list1[i])
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return list33
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def remove_sameeleme_inalist(list3):
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'''
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将list3中重复嵌套列表元素删除。
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输入：嵌套列表
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返回：嵌套列表
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'''
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list3=list3
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list4=[]
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list4.append(list3[0])
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for dict in list3:
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k=0
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for item in list4:
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if dict!=item:
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k=k+1
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else:
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break
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if k==len(list4):
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list4.append(dict)
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return list4
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def order_points(pts):
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''' sort rectangle points by clockwise '''
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sort_x = pts[np.argsort(pts[:, 0]), :]
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Left = sort_x[:2, :]
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Right = sort_x[2:, :]
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# Left sort
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Left = Left[np.argsort(Left[:, 1])[::-1], :]
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# Right sort
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Right = Right[np.argsort(Right[:, 1]), :]
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return np.concatenate((Left, Right), axis=0)
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