SVG Filters for Image Processing
SVG filters are a useful tool in web development and can even be applied to image processing tasks. They are flexible and the web environment allows their use in many …
Blur
This category is a collection of various blur (or low pass) filters that are part of image processing and analysis. These tutorials present different algorithms to achieve a blurring effect on an image.
Gaussian filter in OpenGL/WebGL
This sample source code below shows how to implement Gaussian blur filter in OpenGL (WebGL) shading language. This is a popular algorithm in computer graphics that results in a blurry …
Gaussian filter in pure JavaScript
This article shows a sample implementation of a separable Gaussian filter in pure Java Script code. This filter finds many applications in various image processing algorithms. Canvas build ins Before …
Fast image blur filter with OpenGL/WebGL
In this post, we implement a simple but fast algorithm for image blur filter with WebGL / OpenGL. The GL shader code in this article implements the average or box …
Median Filter – edge preserving filter tutorial
The Median filter is a nonlinear noise reduction technique that is widely used in image processing. It is very effective in cases of salt and paper noise (impulsive noise) and …
Mean Filter: Box blur for fast noise reduction
The Mean filter is a linear low-pass blur photo filter where each pixel in the output image has average value of its neighboring pixels. The algorithm is also famous as …