 | 1 | initial version |
I've been modifying squares.py to be able to detect contours of 3D objects. My goal is for it to extract the shapes of 3D objects (i.e. get the squares of a cube). However, whenever I run my code on the image below, drawing the contours gives me a hexagon and a green Y. Is there any way to modify this so that for each contour, I get the polygon of a square/ shape? Thanks!
| | 2 | No.2 Revision |
I've been modifying squares.py to be able to detect contours of 3D objects. My goal is for it to extract the shapes of 3D objects (i.e. get the squares of a cube). However, whenever I run my code on the image below, drawing the contours gives me a hexagon and a green Y. Is there any way to modify this so that for each contour, I get the polygon of a square/ shape? Thanks!
'''
Usage:
ObjectDescriptors.py [<image source="">]
Converts visual objects into basic shapes.
'''
import cv2
import numpy as np
import video
import sys
def findShapes(img): img = cv2.GaussianBlur(img, (1, 1), 0) cv2.imshow("test", img) shapeList = []
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
gray = cv2.bilateralFilter(gray, 11, 17, 17)
edged = cv2.Canny(gray, 0, 200)
cv2.imshow("test", edged)
contours, hierarchy = cv2.findContours(edged, cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE)
for cnt in contours:
cnt_len = cv2.arcLength(cnt, True)
cnt = cv2.approxPolyDP(cnt, 0.01*cnt_len, True)
shapeList.append(cnt)
keyVertices = []
for i in shapeList:
print("Shape Coordinates:", [pts for pts in i])
return shapeList
def removeDuplicates(contours): print(2)
if __name__ == '__main__': from glob import glob for fn in glob('../data/perfectcube/png'): img = cv2.imread(fn) squares = findShapes(img) cv2.drawContours( img, squares, 0, (0, 255, 0), 3 ) cv2.drawContours( img, squares, 1, (255, 0, 0), 3 ) cv2.drawContours( img, squares, 2, (0, 0, 255), 3 ) cv2.imshow('squares', img) ch = 0xFF & cv2.waitKey() if ch == 27: break cv2.destroyAllWindows()
| | 3 | No.3 Revision |
I've been modifying squares.py to be able to detect contours of 3D objects. My goal is for it to extract the shapes of 3D objects (i.e. get the squares of a cube). However, whenever I run my code on the image below, drawing the contours gives me a hexagon and a green Y. Is there any way to modify this so that for each contour, I get the polygon of a square/ shape? Thanks!
'''
Usage:
ObjectDescriptors.py [<image source="">]
Converts visual objects into basic shapes.
'''
import cv2
import numpy as np
import video
import sys
| | 4 | No.4 Revision |
I've been modifying squares.py to be able to detect contours of 3D objects. My goal is for it to extract the shapes of 3D objects (i.e. get the squares of a cube). However, whenever I run my code on the image below, drawing the contours gives me a hexagon and a green Y. Is there any way to modify this so that for each contour, I get the polygon of a square/ shape? Thanks!
#!/usr/bin/env python
'''