python Programming Glossary: hsv

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

colorspace h float val minval maxval minval 120 # convert hsv color h 1 1 to its rgb equivalent # note the hsv_to_rgb function.. # convert 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.. 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..

Changing image hue with Python PIL

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

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

Python - Range values to pseudocolor

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

used that value as the H or angle of a color in the HLS or HSV colorspace. This could then be converted into an RGB color for.. degrees which # coorespond to the colors red..green in the HSV colorspace h float val minval maxval minval 120 # convert hsv..

Selecting best range of values from histogram curve

http://stackoverflow.com/questions/13111504/selecting-best-range-of-values-from-histogram-curve

object also. Then as usual use cv.inRange function in HSV color plane and track the object. What is done I took the ROI.. I took the ROI of object to be tracked converted it to HSV and checked the Hue histogram. I got two cases as below here..

How to generate random 'greenish' colors

http://stackoverflow.com/questions/1586147/how-to-generate-random-greenish-colors

improve this question Simple solution Use the HSL or HSV color space instead of rgb convert it to RGB afterwards if you..

How to detect a Christmas Tree?

http://stackoverflow.com/questions/20772893/how-to-detect-a-christmas-tree

'w' figthresh.canvas.set_window_title 'Thresholded HSV and Monochrome Brightness' figclust.canvas.set_window_title..

RGB to HSV conversion using PIL

http://stackoverflow.com/questions/4554627/rgb-to-hsv-conversion-using-pil

to HSV conversion using PIL I'm trying to automate the enhancement.. method and I got to wonder How can I convert RGB to HSV and then HSV back to RGB using a custom matrix in the convert.. and I got to wonder How can I convert RGB to HSV and then HSV back to RGB using a custom matrix in the convert method call..

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.. a black and white RGB image where a pixel is black if its HSV value is between a certain range and white otherwise. Currently.. 0 255 It is based on the Wikipedia's definition of HSV . I'll look it over as I get more time. There are definitely..

Python code for Earth mover's Distance

http://stackoverflow.com/questions/5101004/python-code-for-earth-movers-distance

def calcHistogram src # Convert to HSV hsv cv.CreateImage cv.GetSize src 8 3 cv.CvtColor src hsv cv.CV_BGR2HSV.. cv.GetSize src 8 3 cv.CvtColor src hsv cv.CV_BGR2HSV # Extract the H and S planes size cv.GetSize src h_plane cv.CreateMat..

Changing image hue with Python PIL

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

this question There is Python code to convert RGB to HSV and vice versa in the colorsys module in the standard library..

Robust Hand Detection via Computer Vision

http://stackoverflow.com/questions/8593091/robust-hand-detection-via-computer-vision

The first step is to take a photo of the hand in HSV color space with the hand placed in a small rectangle to determine.. easily as mentioned in the paper by Convert image to HSV color space. Throw away the V channel and consider the H and.. blobs of high probability . Throwing away the V channel in HSV and only considering H and S channels is really enough surprisingly..

Generating color ranges in Python

http://stackoverflow.com/questions/876853/generating-color-ranges-in-python

python colors share improve this question Use the HSV HSB HSL color space three names for more or less the same thing.. just convert them to RGB. Sample code import colorsys N 5 HSV_tuples x 1.0 N 0.5 0.5 for x in range N RGB_tuples map lambda..