Fast Implementations of Temporal Color Image Filtering

The quality of the displayed image during minimal-invasive operations (endoscopy) may be low due to highlights and water vapor in fr o t of the camera lens. In some cases, image processing like temporal color ve ctor median filtering may enhance the visual quality of the images [8]. In this cont ribu ion we present a new technique of ordering, filtering and re-ordering of col or image pixels that implements temporal filtering by using fast implementation s f spatial filters. As an example for a fast spatial filtering library, we use the Int l Image Processing Library (IPL). A temporal color median filter was implemente d with the new technique. Computing time and image enhancement were evalu ated for this filter.