On Wed, 14 May 2008 14:35:25 -0400, Poppy wrote: > I've put together some code to demonstrate what my goal is though > looping pixel by pixel it's rather slow. > > import Image > > def check_whitespace(): > im = Image.open("\\\\server\\vol\\temp\\image.jpg") > > size = im.size > > i = 0 > whitePixCount = 0 > while i in range(size[1]): > j = 0 > while j in range(size[0]): > p1 = im.getpixel((j,i)) > if p1 == (255, 255, 255): > whitePixCount = whitePixCount + 1 > if whitePixCount >= 492804: ## ((image dimensions 1404 > x > 1404) / 4) 25% > return "image no good" > j = j + 1 > i = i + 1 > > print whitePixCount > > return "image is good" > > print check_whitespace() > > > "Poppy" <[EMAIL PROTECTED]> wrote in message news:... >>I need to write a program to examine images (JPG) and determine how much >>area is whitespace. We need to throw a returned image out if too much of >>it is whitespace from the dataset we're working with. I've been >>examining the Python Image Library and can not determine if it offers >>the needed functionality. Does anyone have suggestions of other image >>libraries I should be looking at it, or if PIL can do what I need? >>
PIL will do this, use histogram() method of Image objects. -- Ivan -- http://mail.python.org/mailman/listinfo/python-list