| Paper: | IMDSP-L5.3 | ||
| Session: | Image and Multidimensional Signal Processing: Applications III | ||
| Time: | Thursday, May 20, 16:10 - 16:30 | ||
| Presentation: | Lecture | ||
| Topic: | Image and Multidimensional Signal Processing: Image and Video Filtering | ||
| Title: | AN EFFICIENT COLOR IMAGE ACQUISITION SYSTEM FOR WIRELESS HANDHELD DEVICES | ||
| Authors: | Bei Tang; Motorola Labs | ||
| King Lee; Motorola Labs | |||
| Abstract: | This paper presents a low-cost, low-power, and yet highly effective color image acquisition system for wireless handheld devices such as cellular camera phones and PDAs. Common color image acquisition system captures Bayer pattern image data from CMOS/CCD color image sensor and processes it to generate YCbCr color signal for the image compression engine. The proposed system uses a novel vertex-centered color interpolation algorithm for parallel interpolation of groups of pixels within a window and directly processes the image from Bayer pattern data to the YCbCr color space. The proposed system also uses pseudomedian filtering on the Cb and Cr color channels to enhance image quality with low hardware complexity. | ||
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