Real-time continuous recording technique using FBTC in digital still cameras

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Abstract
Higher performance and more sophisticated functions have been required in the digital still camera market growing at the rapid rate. On the other hand, the hardware cost has been increasing to meet these requirements. In light of this situation, a new image processing technique is presented to achieve the digital still cameras with the higher performance at lower cost. The present technique focuses on the real time continuous recording of single CCD images using the fixed block truncation coding (FBTC). FBTC is an embedded compression scheme we proposed to handle the image data with high quality in the hardcopy peripherals. In the digital still camera using the present technique, the continuous recording rate is up to 30 frames per second for video graphic array size full color image. Moreover, FBTC coding scheme can reduce the memory size to capture the raw image from CCD by less than a half, and enable to store over twice continuous recording frames than the conventional technique.

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