¡@
python Programming Glossary: grayscaleOpenCV 2.4.1 - computing SURF descriptors in Python http://stackoverflow.com/questions/10984313/opencv-2-4-1-computing-surf-descriptors-in-python the images img cv2.imread 'messi4.jpg' # Convert them to grayscale imgg cv2.cvtColor img cv2.COLOR_BGR2GRAY # SURF extraction surf..
Representing and solving a maze given an image http://stackoverflow.com/questions/12995434/representing-and-solving-a-maze-given-an-image this question Here is a solution. Convert image to grayscale not yet binary adjusting weights for the colors so that final.. yet binary adjusting weights for the colors so that final grayscale image is approximately uniform. You can do it simply by controlling..
Fast Way to slice image into overlapping patches and merge patches to image http://stackoverflow.com/questions/16774148/fast-way-to-slice-image-into-overlapping-patches-and-merge-patches-to-image patches and merge patches to image Trying to slice a grayscale image of size 100x100 into patches of size 39x39 which are overlapping..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images of color values per point rather than a scalar value as in grayscale image. You need more attention when writing such code. Are there.. with different exposure. For simplicity I convert them to grayscale even if they are color RGB images. You will need these imports.. sum average Main function read two images convert to grayscale compare and print results def main file1 file2 sys.argv 1 1..
How to detect a Christmas Tree? http://stackoverflow.com/questions/20772893/how-to-detect-a-christmas-tree binimg np.where boolidx 255 # Add pixels that meet grayscale brightness criterion binimg np.where gryimg monothr 255 # Prepare..
How do I track motion using OpenCV in Python? http://stackoverflow.com/questions/3374828/how-do-i-track-motion-using-opencv-in-python color_image temp difference # Convert the image to grayscale. cv.CvtColor difference grey_image cv.CV_RGB2GRAY # Convert..
How to write PIL image filter for plain pgm format? http://stackoverflow.com/questions/4270700/how-to-write-pil-image-filter-for-plain-pgm-format solution is that I find other well documented ascii grayscale format that is supported by PIL and all major graphics programs...
http://stackoverflow.com/questions/7247371/python-and-16-bit-tiff this question For lossless conversion from 16 bit grayscale TIFF to PNG use PythonMagick from PythonMagick import Image..
PPM image to ASCII art in Python http://stackoverflow.com/questions/7382455/ppm-image-to-ascii-art-in-python #pulls out the values of each tuple and coverts it to its grayscale value for i in pixels if i n or if len i 3 red int i 0 .3.. int j 224 and int j 240 character # else character M grayscale character print grayscale main sys.argv 1 I an getting an error.. character # else character M grayscale character print grayscale main sys.argv 1 I an getting an error that says 'int' object..
http://stackoverflow.com/questions/9860667/writing-robust-color-and-size-invariant-circle-detection-with-opencv-based-on preprocess the image apart from the simple mapping into grayscale. Thus missing those faint yellow blobs in your images is expected...
|