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JPEG-DCT
- JPEG压缩核心变换DCT实现源码,用matlab7.0实现-JPEG compression core transform DCT achieve source used to achieve matlab7.0
jpeg压缩中的DCT蝶型算法verilog代码
- jpeg压缩中的DCT蝶型算法verilog代码-jpeg DCT compression algorithm verilog code BUTTERFLY
JPEG图片编解码程序
- JPEG图片编解码程序,包括读头文件和DCT,IDCT变换等等。,JPEG image codec procedures, including the first reading of documents and DCT, IDCT transform and so on.
Loeffler_dct.rar
- JPEG dct快速算法,实现8X8到4X4,以及8X8到2X2等DCT变换,快速实现降采样。,JPEG dct fast algorithm 8X8 to 4X4, and 8X8 to 2X2, such as DCT transform, rapid down-sampling.
workingjpeg.zip
- JPEG DCT based baseline method which divides the image into 8x8 blocks and quantize anthen entropy coded.,JPEG DCT based baseline method which divides the image into 8x8 blocks and quantize anthen entropy coded.
JPEG.rar
- 图像JPEG压缩算法,由8*8DCT变换,调用量化表进行量化,最后由Huffman编码完成算法,JPEG image compression algorithm, the 8* 8DCT transform, quantization table calls to quantify, and finally completed by the Huffman coding algorithm
JPEG
- 本文首先介绍了静态图像压缩(JPEG)编码算法的基本原理、压缩的实现过程及其重要过程的离散余弦变换(DCT)算法的实现原理及软件实现的例程,其次着重介绍了压缩过程中的DCT、量化和编码三个重要步骤的实现原理。-This paper describes the static image compression (JPEG) coding algorithm is the basic principle of compression process of the implementation pro
jpeg
- 对JPEG的压缩标准进行了仿真,主要过程DCT压缩,根据JPEG的量化矩阵对DCT结果进行量化,对量化结果进行Huffman编码。同时也实现了解压缩过程,即执行上述过程的逆过程。-JPEG compression standard of the simulation, the main process of DCT compression, according to the JPEG quantization matrix to quantify the results of the DCT,
JPEG-DCT
- JPEG中DCT 变换在 matlab中的实现 相当简便-JPEG in the DCT transform in matlab in the realization of a very simple
dct
- 8*8DCT,基于流水线设计,比较经典,可以用于JPEG,也可以用于H.264(需改为4*4)-8* 8DCT, based on the pipeline design, compare a classic, can be used in JPEG, can also be used for H.264 (to be replaced 4* 4)
jpeg
- 本解码器类支持普通jpeg文件格式,这也是目前大多数jpeg文件所采用的格式,此格式主要特点是数据精度为8位,采用Huffman编码的普通DCT帧-The decoder supports the general category jpeg file format, which is most used in jpeg file format is the main characteristics of data accuracy of eight, using Huffman coding o
jpeg
- 一个图像处理程序,使用DCT快速算法,只需把源码改成m文件即可。-An image processing procedures, the use of DCT fast algorithm, just the source file can be replaced by m.
DCT
- ARM汇编,实现DCT算法,图像压缩,JPEG 需要loadmemory,里面附带load文件示例以及样子图片,raw格式-ARM compilation and realizing DCT algorithm, image compression, JPEG need loadmemory, incidental load inside sample documents, as well as look like picture, raw format
jpeg.tar
- This project features a complete JPEG Hardware Compressor (standard Baseline DCT, JFIF header) with 2:1:1 subsampling, able to compress at a rate of up to 24 images per second (on XC2V1000-4 @ 40 MHz with resolution 352x288). Image resolution is no
dct
- 利用dct实现JPEG在Matlab环境下图像压缩程序-Matlab environment in JPEG image compression procedure
81404621JPEG-DCT
- 基于FPGA的DCT实现源代码,已通过MODELSIM验证。-FPGA based source code of DCT
dct
- JPEG压缩算法的核心是“视觉保真”原理,利用人类视觉系统特征进行处理,以达到最大图像数据压缩效果,实际上就是去除那些人眼不易觉察的信息。图像的空间频率对人的视觉至关重要,采用离散余弦变换可将图像分解成一组波,每个波有一个不同的空间频率,这样可以去除人类眼睛觉察不到的信息,而且还可使系统只保留重要的信息。-JPEG compression algorithm is the core of " visual fidelity" principle, the use of the
rgbquadtreehojoon
- This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
jpeg
- 该程序利用离散余弦变换(DCT)对JPEG图像进行压缩与解压缩-The program using the discrete cosine transform (DCT) for JPEG image compression and decompression
JPEG
- JPEG压缩全过程,压缩和解压缩,改程序是编写静止图像必须学习得程序,内容丰富,需要耐心学习,先搞懂图像压缩的过程,包括颜色空间转换,DCT变换,Huffman编码,量化等过程-JPEG compression and decompression