python Programming Glossary: rgb

http://stackoverflow.com/questions/10901085/python-range-values-to-pseudocolor

pseudocolorForValue val minval maxval which returns an RGB triple corresponding to the pseudo color value for 'val' Also.. or HSV colorspace. This could then be converted into an RGB color for display purposes. Update Good news turns out that..

Read the RGB value of a given pixel in Python, Programatically

http://stackoverflow.com/questions/138250/read-the-rgb-value-of-a-given-pixel-in-python-programatically

the RGB value of a given pixel in Python Programatically If I open.. If I open an image with open image.jpg how can I get the RGB values of a pixel if I have the coordinates of the pixel Then.. with a blank graphic 'write' a pixel with a certain RGB value It would be so much better if I didn't have to download..

How to determine a region of interest and then crop an image using OpenCV

http://stackoverflow.com/questions/15693900/how-to-determine-a-region-of-interest-and-then-crop-an-image-using-opencv

1 std cout Original image size img.size std endl Convert RGB Mat to GRAY cv Mat gray cv cvtColor img gray CV_BGR2GRAY std..

Image comparison algorithm

http://stackoverflow.com/questions/1819124/image-comparison-algorithm

First I tried to make a Pearson correleation of the RGB values which works also quite good unless the pictures are a.. as c2d def get i ... # get JPG image as Scipy array RGB 3 layer ... data imread 'im s.jpg' i ... # convert to grey scale..

How can I quantify difference between two images?

http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images

I convert them to grayscale even if they are color RGB images. You will need these imports import sys from scipy.misc.. file is a color image imread returns a 3D array average RGB channels the last array axis to obtain intensity. No need to..

RGB Int to RGB - Python

http://stackoverflow.com/questions/2262100/rgb-int-to-rgb-python

Int to RGB Python How can I convert an RGB integer to the corresponding.. Int to RGB Python How can I convert an RGB integer to the corresponding.. Int to RGB Python How can I convert an RGB integer to the corresponding RGB tuple R G B Seems simple enough..

Detect “overall average” color of the picture

http://stackoverflow.com/questions/3468500/detect-overall-average-color-of-the-picture

glance there can use the histogram of the image channel RGB . Supplement at work I use mostly JavaScript and PHP a little.. 0x33 0x33 blue round round rgb 'blue' 0x33 0x33 thisRGB sprintf ' 02X 02X 02X' red green blue if array_key_exists thisRGB.. ' 02X 02X 02X' red green blue if array_key_exists thisRGB colors colors thisRGB else colors thisRGB 1 arsort colors..

Detecting thresholds in HSV color space (from RGB) using Python / PIL

http://stackoverflow.com/questions/4890373/detecting-thresholds-in-hsv-color-space-from-rgb-using-python-pil

thresholds in HSV color space from RGB using Python PIL I want to take an RGB image and convert it.. color space from RGB using Python PIL I want to take an RGB image and convert it to a black and white RGB image where a.. to take an RGB image and convert it to a black and white RGB image where a pixel is black if its HSV value is between a certain..

Changing image hue with Python PIL

http://stackoverflow.com/questions/7274221/changing-image-hue-with-python-pil

import Image im Image.open 'tweeter.png' layer Image.new 'RGB' im.size 'red' # hue selection is done by choosing a color..... within 0 360 returns another PIL image. img image.convert 'RGBA' arr np.array np.asarray img .astype 'float' new_img Image.fromarray.. Image.fromarray shift_hue arr hue 360. .astype 'uint8' 'RGBA' return new_img python image python imaging library hue ..

Python - Range values to pseudocolor

http://stackoverflow.com/questions/10901085/python-range-values-to-pseudocolor

minval maxval minval 120 # convert hsv color h 1 1 to its rgb equivalent # note the hsv_to_rgb function expects h to be in.. hsv color h 1 1 to its rgb equivalent # note the hsv_to_rgb function expects h to be in the range 0..1 not 0..360 r g b.. h to be in the range 0..1 not 0..360 r g b colorsys.hsv_to_rgb h 360 1. 1. return r g b if __name__ '__main__' steps 10 print..

Read the RGB value of a given pixel in Python, Programatically

http://stackoverflow.com/questions/138250/read-the-rgb-value-of-a-given-pixel-in-python-programatically

to download any additional libraries. python graphics rgb share improve this question It's probably best to use the..

RGB Int to RGB - Python

http://stackoverflow.com/questions/2262100/rgb-int-to-rgb-python

IE given an n I need the r g b values. python integer rgb share improve this question I'm not a Python expert by all..

PIL and numpy

http://stackoverflow.com/questions/384759/pil-and-numpy

in a different format than yours 3 d array or rows columns rgb in this case . Then after you make your changes to the array..

Changing image hue with Python PIL

http://stackoverflow.com/questions/7274221/changing-image-hue-with-python-pil

described. import Image import numpy as np import colorsys rgb_to_hsv np.vectorize colorsys.rgb_to_hsv hsv_to_rgb np.vectorize.. as np import colorsys rgb_to_hsv np.vectorize colorsys.rgb_to_hsv hsv_to_rgb np.vectorize colorsys.hsv_to_rgb def shift_hue.. rgb_to_hsv np.vectorize colorsys.rgb_to_hsv hsv_to_rgb np.vectorize colorsys.hsv_to_rgb def shift_hue arr hout r g..