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20 January 2006 Study on CCD image compression and mass storage
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Proceedings Volume 6027, ICO20: Optical Information Processing; 60274O (2006)
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
When CCD camera photographs massive images in the air, it is very important to compress and save CCD image timely and validly. This paper designs the CCD image compression and mass storage system. The one part is image compression: this paper introduces a reduced memory still image compression algorithm based on Listless Zerotree Coding (LZC). Compared with SPIHT, the approach significantly reduced memory requirement and no reducing the quality of the reconstructed image. The other part is image mass storage: this system uses a kind of special hard disk storage devices that can realize faster data transmission to SCSI (Small Computer System Interface) devices even if it separates oneself from PCs. In the faster data acquisition and storage system, data storage is a key technology. Normal approach is saving the data to mass memories, and then processing and saving the data after complete acquisition. The continuous acquisition time is restricted with the storage capacity in the normal method so that it can't receive the requirement of CCD image storage on many occasions. While its price will be geminate increasing, when we increase the storage capacity. So the approach in this paper is better one to use fast disks on data direct mass storage considering the storage capacity, read/write speed and unit cost. The result of the experiment shows that the system has compressed and saved CCD image validly, so it reached the anticipative purpose.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hong Liu, Linpei Zhai, Jihong Xiu, and Xiuying Zhao "Study on CCD image compression and mass storage", Proc. SPIE 6027, ICO20: Optical Information Processing, 60274O (20 January 2006);


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