期刊
SIGNAL PROCESSING-IMAGE COMMUNICATION
卷 29, 期 9, 页码 1015-1027出版社
ELSEVIER
DOI: 10.1016/j.image.2014.07.007
关键词
JPEG 2000; MQ coder; Selective encryption; Joint compression and encryption; Wireless multimedia sensor networks
资金
- National Natural Science Foundation of China [61103211]
- Program for New Century Excellent Talents in University [NCET-12-0589]
This paper presents a secure MQ coder (SMQ) for efficient selective encryption of JPEG 2000 images. Being different from existing schemes where encryption overhead is proportional to the size of plain image, SMQ only selectively encrypts tiny and constant volume of data in JPEG 2000 coding regardless of image size. It is extremely fast and suitable for protecting JPEG 2000 images in wireless multimedia sensor networks (WMSNs). Theoretical analysis and experimental results show that SMQ can achieve a balance between security and efficiency, while keeping comparable compression performance and energy consumption with standard JPEG 2000 coding. (C) 2014 Elsevier B.V. All rights reserved.
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