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Vol. 159, Issue 11, November 2013, pp. 26-31

 

Bullet

 

Lossless Compression of Grayscale Digital Image Based on Two-Dimensional Differential Prediction Algorithm
 
1 Wei LIANG, 1 Guangxian ZHANG, 2 Liang TAO

1 Department of Control Science and Engineering Shandong University, Jing10 Road, Jinan, 250061, Shandong, China

2 School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China

1 Tel.: +86 15966677299
E-mail: dzhlw0918@sohu.com

 

Received: 27 August 2013   /Accepted: 25 October 2013   /Published: 30 November 2013

Digital Sensors and Sensor Sysstems

 

Abstract: Rice algorithm, which has been recommended by Consultative Committee for Space Data System (CCSDS) for space telescope image lossless compression, is studied. Due to the similarity, this algorithm is applied on lossless compression of X-ray digital image after improvement and a satisfying compression rate is obtained. Firstly, the algorithm process is presented. Later on, the compression and decompression algorithms are implemented on PE's X-ray machine GECCO2505 and the flat panel detector PAXSCAN2520. Finally, the status of the technology is presented with its performance in X-ray digital image compression and decompression applications.

 

Keywords: X-ray digital image, Lossless compression, Differential prediction, Non-destructive testing, Flat-panel detector.

 

 

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