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In this paper, a Field Programmable Gate Array (FPGA) implementation of the LCE (Lossy Compression for ExoMars) algorithm is presented. This algorithm shows a good quality/compression ratio tradeoff for hyperspectral images, at the expenses of a higher complexity with respect to lossless algorithms. In order to deal with this complexity levels, high level synthesis (HLS) tools, such as Catapult C,...
In this paper, a VLSI implementation of the lifting-based Discrete Wavelet Transform (DWT) is presented. The behavioral description of integer-to-integer CDF (2,2) lifting wavelet, which is used in image compression has been coded in Verilog Hardware Description Language (HDL). The code has been synthesized and then implemented using both Field Programmable Gate Array (FPGA) and Application Specific...
This paper presents the implementation of a JPEG encoder that exploits minimal usage of FPGA resources. The encoder compresses an image as a stream of 8times8 blocks with each element of the block applied and processed individually. The zigzag unit typically found in implementations of JPEG encoders is eliminated. The division operation of the quantization step is replaced by a combination of multiplication...
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