Description: 本文提出了一种基于提升算法的高效JPEG2000二维离散小波变换(2D—DWT)~ 结构，将边界延拓内嵌于离散小波变换过程中，减少了所需的内存空间和功耗。采用W 扫描输入方式和行列并行处理结构，加快了变换速度，大大提高了小波变换的效率。整个二维离散小波变换结构已经通过FPGA硬件仿真验证。-This paper presents a highly efficient algorithm based on lifting JPEG2000 two-dimensional discrete wavelet transform (2D-DWT) ~ structure, the boundary extension will be embedded in the process of discrete wavelet transform to reduce the required memory space and power consumption. W scanning input methods used and the ranks of parallel processing structure, and accelerated the pace of change has greatly enhanced the efficiency of wavelet transform. The whole structure of two-dimensional discrete wavelet transform has been adopted FPGA hardware simulation. Platform: |
Size: 182272 |
Author:H Simon |
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Description: 个人收集的FPGA图像压缩算法包，包括内容主要为图像压缩算法DWT 离散小波变换
DCT 离散余弦变换
SHIHT 多级树集合划分
EBCOT优化截取的嵌入式块编码等-Personal collection of image compression algorithm for FPGA package, including the contents of the main image compression algorithm for the discrete wavelet transform DWT discrete cosine transform DCT multi-level tree SHIHT set partitioning optimization interception EBCOT Embedded Block Coding, etc. Platform: |
Size: 6079488 |
Author:sdf |
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Description: 离散小波变换与理想重建的FPGA实现很多有用的说明-Discrete wavelet transform and the realization of the ideal reconstruction of the FPGA description of many useful Platform: |
Size: 344064 |
Author:chxinrui |
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Description: 基于FPGA的高性能离散小波变换设计，本设计在最高处理速度方面具有明显的优势。在此基础上，考虑到通用性的要求，本文还设计了一种小波种类可选、小波阶数可调的通用小波变换FPGA架构，该通用小波正、反变换系统的最高时钟频率分别为114.10 MHz、152.09 MHz。此结构具有通用性强的特点，可高性能实现多种小波变换。-Design high-performance FPGA-based discrete wavelet transform, this design has obvious advantages in terms of the highest processing speed. On this basis, taking into account the versatility of the request, also designed a wavelet type optional, wavelet order adjustable universal wavelet transform FPGA architecture, the generic wavelet is, the maximum clock frequency of the anti-transform system were 114.10 MHz, 152.09 MHz. This structure has the characteristics of versatility, high performance to achieve a variety of wavelet transform. Platform: |
Size: 1061888 |
Author:kudding |
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