2014/10/15 下午 10:10:07

iphone Programming Glossary: hue

How to programmatically change the hue of UIImage?

http://stackoverflow.com/questions/11555071/how-to-programmatically-change-the-hue-of-uiimage

to programmatically change the hue of UIImage I am very new to the image processing. I have to implement hue effect in my iPhone application project. Therefore.. to programmatically change the hue of UIImage I am very new to the image processing. I have to implement hue effect in my iPhone application project. Therefore I need to change the hue of UIImage . Please provide me any sample code.. the image processing. I have to implement hue effect in my iPhone application project. Therefore I need to change the hue of UIImage . Please provide me any sample code or tutorial link for this. Thanks in advance iphone objective c image processing..

color replacement in image for iphone application

http://stackoverflow.com/questions/15082025/color-replacement-in-image-for-iphone-application

each step wise with my understanding. 1 Convert the image from RGB to HSV using cvCvtColor we only want to change the hue . IplImage mainImage self CreateIplImageFromUIImage UIImage imageNamed @ original.jpg IplImage hsvImage cvCreateImage cvGetSize.. blobs B_EXCLUDE CBlobGetArea B_LESS 10 4 Mask the color with cvInRangeS and use the resulting mask to apply the new hue. Not sure about this function how it helps in color replacement and not able to understand arguments to be provided. 5 cvMerge.. helps in color replacement and not able to understand arguments to be provided. 5 cvMerge the new image with the new hue with an image composed by the saturation and brightness channels that you saved in step one. i understand that cvMerge will..

Can example “GLImageProcessing” work with multi filters

http://stackoverflow.com/questions/4375479/can-example-glimageprocessing-work-with-multi-filters

GL_OPERAND1_RGB GL_SRC_COLOR glTexEnvi GL_TEXTURE_ENV GL_RGB_SCALE 1 glActiveTexture GL_TEXTURE0 process 3 adjust hue process 4 mask save to buffer bind system rbo glBindFramebufferOES GL_FRAMEBUFFER_OES SystemFBO glCheckError iphone opengl..

How to change a particular color in an image?

http://stackoverflow.com/questions/8046643/how-to-change-a-particular-color-in-an-image

of a possible solution using OpenCV Convert the image from RGB to HSV using cvCvtColor we only want to change the hue . Isolate a color with cvThreshold specifying a certain tolerance you want a range of colors not one flat color . Discard.. of dots of the similar color in the scene. Mask the color with cvInRangeS and use the resulting mask to apply the new hue. cvMerge the new image with the new hue with an image composed by the saturation and brightness channels that you saved.. Mask the color with cvInRangeS and use the resulting mask to apply the new hue. cvMerge the new image with the new hue with an image composed by the saturation and brightness channels that you saved in step one. There are several OpenCV iOS..