¡@
python Programming Glossary: pixelHow to remove convexity defects in a Sudoku square? http://stackoverflow.com/questions/10196198/how-to-remove-convexity-defects-in-a-sudoku-square is to adjust the brightness in the image by dividing each pixel with the result of a closing operation src ColorConvert Import.. vertical horizontal grid lines dilate them calculate the pixel by pixel intersection and calculate the center of the result... horizontal grid lines dilate them calculate the pixel by pixel intersection and calculate the center of the result. These points..
What is different between all these OpenCV Python interfaces? http://stackoverflow.com/questions/10417108/what-is-different-between-all-these-opencv-python-interfaces an image an ndarray is returned. array i j gives you the pixel value at i j position. Also for imageROI array slicing can be..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images may do more wrong than good. For example a single bright pixel on a dark background will make the normalized image very different... much the image is off the latter will tell only how many pixels differ. Example I assume your images are well aligned the same.. n_0 compare_images img1 img2 print Manhattan norm n_m per pixel n_m img1.size print Zero norm n_0 per pixel n_0 1.0 img1.size..
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array Returns a boolean mask of the peaks i.e. 1 when the pixel's value is the neighborhood maximum 0 otherwise # define an.. 2 2 #apply the local maximum filter all pixel of maximal value #in their neighborhood are set to 1 local_max..
Using strides for an efficient moving average filter http://stackoverflow.com/questions/4936620/using-strides-for-an-efficient-moving-average-filter connectivity that is a 3x3 filter takes the average of 9 pixels 8 around the focal pixel and assigns that value to the pixel.. filter takes the average of 9 pixels 8 around the focal pixel and assigns that value to the pixel in the new image. import.. 8 around the focal pixel and assigns that value to the pixel in the new image. import numpy scipy filtsize 3 a numpy.arange..
Simple Digit Recognition OCR in OpenCV-Python http://stackoverflow.com/questions/9413216/simple-digit-recognition-ocr-in-opencv-python for a beginner. So i just decided to take all the pixel values as features. I was not worried about accuracy or performance.. key is pressed it resizes this box to 10x10 and saves 100 pixel values in an array here samples and corresponding manually entered.. bounding box for it then resize to 10x10 and store its pixel values in an array as done earlier. d Then we use KNearest.find_nearest..
|