#coding:utf-8
import?cv2
import?numpy?as?np
import?math

srcWidth?=?0
srcHeight?=?0

maxWidth?=?1024
maxHeight?=?600

class?Config:
????def?__init__（self）:
????????pass

????src?=?“IMG_9571.jpg“
????min_area?=?100000
????min_contours?=?8
????threshold_thresh?=?50
????epsilon_start?=?50
????epsilon_step?=?10

class?HoughPoints:
????def?__init__（selfrho=0theta=0）:
????????self.rhos?=?[rho]
????????self.thetas?=?[theta]

‘‘‘
@func???????根據(jù)HoughLines轉(zhuǎn)換出直線點(diǎn)
@param??????rho?距離
@param??????theta?角度
‘‘‘
def?rt_to_point（img?rho?theta）:
????#垂直直線
????if?（theta??（3.*np.pi/4.0））:
????????#該直線與第一行的交點(diǎn)
????????pt1?=?（int（rho/np.cos（theta））0）
????????#該直線與最后一行的焦點(diǎn)
????????pt2?=?（int（（rho-img.shape[0]*np.sin（theta））/np.cos（theta））img.shape[0]）
????????return?pt1?pt2
????else:
????????#水平直線??該直線與第一列的交點(diǎn)
????????pt1?=?（0int（rho/np.sin（theta）））
????????#該直線與最后一列的交點(diǎn)
????????pt2?=?（img.shape[1]?int（（rho-img.shape[1]*np.cos（theta））/np.sin（theta）））
????????return?pt1?pt2

‘‘‘
@return?????[top-left?top-right?bottom-right?bottom-left]
‘‘‘
def?order_points（pts）:
????#?initialzie?a?list?of?coordinates?that?will?be?ordered
????#?such?that?the?first?entry?in?the?list?is?the?top-left
????#?the?second?entry?is?the?top-right?the?third?is?the
????#?bottom-right?and?the?fourth?is?the?bottom-left
????rect?=?np.zeros（（4?2）?dtype=“float32“）

????#?the?top-left?point?will?have?the?smallest?sum?whereas
????#?the?bottom-right?point?will?have?the?largest?sum
????s?=?pts.sum（axis=1）
????rect[0]?=?pts[np.argmin（s）]
????rect[2]?=?pts[np.argmax（s）]

????#?now?compute?the?difference?between?the?points?the
????#?top-right?point?will?have?the?smallest?difference
????#?whereas?the?bottom-left?will?have?the?largest?difference
????diff?=?np.diff（pts?axis=1）
????rect[1]?=?pts[np.argmin（diff）]
????rect[3]?=?pts[np.argmax（diff）]

????#?return?the?ordered?coordinates
????return?rect

def?point_distance（ab）:
????return?int（np.sqrt（np.sum（np.square（a?-?b））））

‘‘‘
@func???計算兩條直線的交點(diǎn)
‘‘‘
def?line_intersection（line1?line2）:
????xdiff?=?（line1[0][0]?-?line1[1][0]?line2[0][0]?-?line2[1][0]）
????ydiff?=?（line1[0][1]?-?line1[1][1]?line2[0][1]?-?line2[1][1]）

????def?det（a?b）:
????????return?a[0]?*?b[1]?-?a[1]?*?b[0]

????div?=?det（xdiff?ydiff）
????if?div?==?0:
???????raise?Exception（‘lines?do?not?intersect‘）

????d?=?（det（*line1）?det（*line2））
????x?=?det（d?xdiff）?/?div
????y?=?det（d?ydiff）?/?div
????return?x?y

‘‘‘
@func???迪卡爾轉(zhuǎn)極坐標(biāo)
‘‘‘
def?cart_to_polor（x1?y1?x2?y2）:
????diff?=?float（abs（x1-x2））?/?abs（y1-y2）
????theta?=?math.atan（diff）
????#print（“theta=%f?diff=%f?%f?%f“%（theta?diff?abs（x1-x2）?abs（y1-y2）））
????rho?=?math.sin（theta）*（y1?-?（x1/math.tan（theta））?）
????return?rho?theta

image?=?cv2.imread（Config.src）
gray?=?cv2.cvtColor（image?cv2.COLOR_BGR2GRAY）
srcWidth?srcHeight?channels?=?image.shape
print（srcWidth?srcHeight）

#?中值平滑，

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6929??2018-08-12?13:53??Opencv_python\Opencv2_python.py

?????文件?????836761??2018-08-12?13:46??Opencv_python\圖像處理要求_20180730更新.pdf

?????文件????1649843??2018-08-11?21:12??Opencv_python\未通過圖片\IMG_9380.JPG

?????文件????2241514??2018-08-11?21:14??Opencv_python\未通過圖片\IMG_9382.JPG

?????文件????2165282??2018-08-11?21:14??Opencv_python\未通過圖片\IMG_9385.JPG

?????文件????1865957??2018-08-11?21:13??Opencv_python\未通過圖片\IMG_9397.JPG

?????文件????1717046??2018-08-11?21:12??Opencv_python\測試通過的圖片\5.JPG

?????文件????1664460??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9378.JPG

?????文件????1697926??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9379.JPG

?????文件????1682140??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9399.JPG

?????文件????1710356??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9429.JPG

?????文件????1714546??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9432.JPG

?????文件????1642283??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9433.JPG

?????文件????1678062??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9435.JPG

?????文件????1717046??2018-08-11?21:12??Opencv_python\測試通過的圖片\IMG_9436.JPG

?????文件????1840351??2018-08-11?21:13??Opencv_python\測試通過的圖片\IMG_9437.JPG

?????文件????1768708??2018-08-11?21:13??Opencv_python\測試通過的圖片\IMG_9438.JPG

?????文件????1908407??2018-08-11?21:14??Opencv_python\測試通過的圖片\IMG_9439.JPG

?????文件????1793371??2018-08-11?21:13??Opencv_python\測試通過的圖片\IMG_9440.JPG

?????文件????2176392??2018-08-11?21:14??Opencv_python\測試通過的圖片\IMG_9468.JPG

?????文件????2183829??2018-08-11?21:14??Opencv_python\測試通過的圖片\IMG_9469.JPG

?????文件????2144229??2018-08-11?21:14??Opencv_python\測試通過的圖片\IMG_9471.JPG

?????文件????3957927??2018-08-12?13:35??Opencv_python\算法測試矯正圖片\transfer115.png

?????文件????2019301??2018-08-12?13:40??Opencv_python\算法測試矯正圖片\transfer26.png

?????文件????3569918??2018-08-12?12:43??Opencv_python\算法測試矯正圖片\transfer3.png

?????文件????2260877??2018-08-12?12:49??Opencv_python\算法測試矯正圖片\transfer338.png

?????文件????3179354??2018-08-12?13:21??Opencv_python\算法測試矯正圖片\transfer35.png

?????文件????2625796??2018-08-12?12:40??Opencv_python\算法測試矯正圖片\transfer36.png

?????文件????3081279??2018-08-12?12:55??Opencv_python\算法測試矯正圖片\transfer373.png

?????文件????4195687??2018-08-12?13:17??Opencv_python\算法測試矯正圖片\transfer3909.png

............此處省略16個文件信息