Webcam Effects Using Color Filters

Change the appearance of photos with color filters. You can invert colors, reduce the number of colors, change the contrast, alter the hue etc. Switching the red, green, blue values can make a blue shirt look green or red. Reducing the number of colors can make it look more like a cartoon. Grouping pixels together and using the average color can create a painting effect.

The filters in the paint section take longer because they change the picture one pixel at a time. A medium size image would be over a million pixels. I recommend using those filters on still pictures or small videos. It could take more than 30 seconds to make a picture you took with a camera look like a painting. Creating the oil and spray painting effects take longer with a larger radius. This program can use a webcam, video or a picture. Play or pause videos using the Video checkbox.

In the pictures above I altered the colors using color filters. The program was made for and tested on a laptop. It may not work on your phone. If you block the webcam then you will need to refresh the page to allow the program to use your camera. Select Small, Width, Height or Full to change the maximum canvas size. The paint effects use the Reduce colors value. Set it to 1 to use all the RGB values.

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By changing the alpha channel I was able to make an Invisibility Effect that allows you to become invisible on camera.
By removing color channels I was able to create 3D images that can be viewed with red cyan 3D glasses.

The recorded videos will be saved as WEBM. You can convert them to MP4 by going here. I obtained some of the code I needed for the oil painting effect at CodePen.