搜索资源列表
jpegsrc.v6b
- 用于构建基于ARM平台的嵌入式系统开发平台搭建时libjpeg.so.62的产生 优化后的JIF/JPEG压缩文件解码器，减少了DCT变换的信息丢失-used to build a platform based on ARM embedded system development platform structures when libjpeg.so.6 2 production optimization of JIF / JPEG compressed file decoder, a red
jpg_DCT
- 实现基本JPEG的压缩和编码 ％ 1． 首先通过DCT变换去除数据冗余； ％ 2． 使用量化表对DCT系数进行量化； ％ 3． 对量化后的系数进行Huffman编码。 -achieve basic JPEG compression and coding% 1. First through DCT remove data redundancy; % 2. Using quantitative table right DCT coefficient quantization; 3.
dct_jpeg
- jpeg中DCT变换程序。为前向DCT的浮点运算，它要比整数运算更精确。该程序只适用于8×8的块变换。-jpeg DCT transformation procedure. For front to the DCT floating point calculation, it must be more precise than the integer operation. This procedure is only suitable for 8脳8 block transformati
encoderforjpeg
- 整理的JPEG的编码器，全员源码，非常适合初学者，搞清DCT、Huffman，jpeg 语法等。-finishing JPEG encoder, the full source code, are very suitable for beginners, get DCT, Huffman, jpeg syntax, and so on.
VBJPEG
- About transforms DCT using the separate cosine jpeg the compression the matlab source program, simple is practical, also has the annotation, very good reads. ,matlab,Wavelet -About DCT transforms using the separate co the sine jpeg compression the p
JepgCodec
- 该程序实现了jpeg编码。开发平台：Window XP， Visual C++ 6.0。 HuffmanExp 哈夫曼编码 JpgVSbmp Jpg和Bmp格式相互转换的API封装 RWJpegExp JpegVC++类 VbTestDll VB调用Jpg和Bmp格式相互转换API函数的示例 jpeg jpeg中的前向DCT变换-the program achieved a jpeg coding. Platform : Window XP, Visual C 6.0.
20061105111655356
- 基于C++语言的静态图象压缩编码，JPEG DCT量化编码 C++程序,对学习图像压缩编码的过程和具体实现很有帮助。-based on the C language static image compression, JPEG DCT quantization coding C procedures, learning right image coding process and to achieve specific helpful.
colosseum
- Jpeg编解码器的源代码，中间包括DCT变换，量化，Huffman编码等过程-Jpeg codec source code, in the middle including DCT, quantization, Huffman coding process
DCTpcm_code
- 子块DCT变换编码/帧内预测编码DPCM，基于JPEG量化矩阵的量化与反量化-block DCT encoding / decoding predictive coding DPCM. JPEG quantization matrix based on the quantitative and anti - quantization
ml
- 是进行JPEG图形压缩算法的代码，对图形进行DCT变换-is JPEG image compression algorithm code, the graphics DCT
DCTofJPEG
- 用verilog代码写的JPEG压缩核心模块DCT变换之蝶形单元算法-verilog code written using JPEG compression core module DCT's butterfly modules algorithm
a_jpeg_compression_matlab
- It shows what a jpeg compression is all about. the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transforms that might be more efficient. -It shows what a jpeg compres
fpgaJPEGdcode
- 基于fpga的JPEG编解码器设计，采用流水线优化解决时间并行性问题，提高DCT/IDCT模块的运行速度。-based fpga JPEG codec design, the flow of time to solve optimization problems in parallel, enhance DCT / IDCT module of the operating speed.
dct_fc0
- dct source code for jpeg decoder -Copy source code for jpeg decoder
JPEG_comprssion
- 基于DCT的JPEG图像的编码和压缩程序！可以选择对图像或矩阵进行实验，从而计算压缩比等
Encoder
- MPEG-2视频压缩编码.主要包括DCT变换,对DCT变换得到的系数进行量化,和熵编码,运动估计,运动补偿等内容.可参考书籍《Visual C++实现MPEG/JPEG编解码技术》来进行学习。
hu
- 实现基本JPEG的压缩和编码分三个步骤: 1. 首先通过DCT变换去除数据冗余； 2. 使用量化表对DCT系数进行量化； 3. 对量化后的系数进行Huffman编码。
Image-Hashing-based-on-Human-Visual-System
- 提出一种基于视觉特性的图像摘要算法，增大人眼敏感的频域系数在计算图像Hash时的权重，使得图像Hash更好地体现视觉特征，并提高鲁棒性。将原始图像的分块DCT系数乘以若干由密钥控制生成的伪随机矩阵，再对计算的结果进行基于分块的Watson人眼视觉特性处理，最后进行量化判决产生固定长度的图像Hash序列。本算法比未采用视觉特性的算法相比，提高了对JPEG压缩和高斯滤波的鲁棒性。图像摘要序列由密钥控制生成，具有安全性。
DCT_1D
- 一维DCT变换的verilog源码，可用于JPEG算法优化的参考。程序中用到的算法称为“扭卷积”，可参考相关IEEE paper
ImageProcessing
- 基本jpeg压缩源码，包括dct,量化，zigzag和huffman编码，适于数字图像处理开发人员。