分块DCT变换，基于压缩感知信号的压缩。详细阐述了信号基于DCT分块的变换算法。为后面的信号压缩和恢复做铺垫。-Block DCT transform based on compressed sensing signal compression. Elaborates the signal based on the sub-block of DCT transform algorithm . For the following signal compression and pave the wa

摘　要 介绍了VLIW密码微处理器的多种低功耗设计方法。根据CMOS电路的能耗机制，对VLIW密码微处理器进行功耗分析。针对分析结果，运用门控时钟、指令前缀压缩、存储器分块访问和操作数隔离等低功耗技术，对VLIW密码微处理器功耗进行优化。基于SMIC的65nm工艺库和功耗分析工具PTPX进行功耗分析，实验结果表明，本文采用的低功耗方法能够有效降低VLIW密码微处理器的功耗。-The summary of several low-power design method of the the VLI

In this paper, a fast and memory efficient version of set partitioned embedded block (SPECK) image coder is proposed. Due to use of linked lists, SPECK algorithm, requires large run-time memory, making it unsuitable for memory constrained portable mu

Digital images are the most prevalent way to spread a message. So the authenticity of images is very essential. But due to advancement of the technology the editing of images has become very effortless. Copy-move forgery is most basic technique to al