Various distortions degrade video quality prodigiously, diminishing end users’ viewing experience. With the advent of digital portable devices, additional conflicts emerge between video quality and video processing speed, efficiency and cost. In other words, what digital portable devices desperately need is an efficient, self-adaptive and effective way to enhance video quality.

This paper presents a video enhancement system designed and implemented on an embedded platform, which offers better video quality for a wide variety of digital portable devices, along with high efficiency and low cost.