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Overdrive technique is mandatory for liquid crystal display (LCD) to mitigate the motion blur phenomenon. As the display resolution increases, the image data should be highly compressed to reduce the usages of frame memory and bandwidth. Since current high quality compression algorithms inevitably require large embedded memory (line buffer) and complex computations, a low complexity line-buffer-free...
Mask processing is commonly used in many video/image processing functions such as scaling, noise reduction, and edge enhancement by referring several pixels in the adjacent area to generate a processed pixel. Embedded memory therefore occupies large area and consumes power to store and process pixel data, especially for those low-cost applications without a framebuffer. In this paper, we design a...
This paper proposes a cost effective frame-lock scaling engine to reduce the embedded memory size. The key technique is the H-V scaling direction interchangeable architecture. Evaluation results show that the proposed design can reduce 76% and 10% embedded memory requirements as compared with two types of conventional scaling engine.
Embedded memory typically requires significant silicon chip area, and in the case of display controller chip designs with a locking frame rate, it entails high power consumption. In this paper, we introduce a lowpower cost-effective scaling engine with locking frame rate, with reduced memory capacity requirements. Using our proposed H-V scaling direction-interchangeable architecture, the scaling engine...
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