Color_card

Content

• Install
• Usage

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Install

Download and unzip the file to your local directory Numpy and OpenCV need to be installed before running these scripts

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Usage

Windows

1. With cmd, enter the directory of these scripts

   cd ..\Color_classification

2. The usage of scipt can be checked with running

   python color_app.py -h

For single image

This command can be used to process single image input

python color_app.py -f <image directory> -k <k value> -m <max number of colors in card> -s -o

-f : required, the directory of image input
-k : required, the k value applied to KMeans, will also decide the number of colors output
-m ：the max number of color shown in color card applied if k is larger than m, default would be 15
-s : use this to show specific RGB value of colors in the color card
-o : call a image segmentation function before color analysis
with -o choosen, user will be required to draw the range of object interested. Use need to press Enter to confirm the selection, and then press 0 to confirm the segmentation. They could also press r to retry the segmentation if not satisfied with result.

example:

python color_app.py -f images/banana.jpg -k 10 -o

For package of images

This command can be used to process single image input

python color_app.py -p <package directory> -k <k value> -m <max number of colors in card> -s

This command will automatically process all images within this directory, analysis and classify them

example:

python color_app.py -p images -k 15