搜索资源列表
ieee1180test.zip
- 根据IEEE 1180-1990写的测试iDCT精确性。
TryDCT.rar
- 这是一组DCT和iDCT的代码,都是基于x86构架汇编的或标准C的,有使用MMX、3Dnow或者SSE、SSE2,是陈氏算法的变种,可以参考Intel APP Notes 922
fastidct
- 快速离散余玄变换idct-fast discrete Yuxuan transform IDCT
BMP_DCT_IDCT
- 本源码是用VC++6.0实现的,显示了BMP位图,并实现了快速的8*8的块的DCT和IDCT变换-the source of VC 6.0, showing a bitmap BMP, and achieve a rapid 8 * 8 block of DCT and IDCT transform
MPEGSourceCode
- mpeg4压缩算法程序,有对idct的详细代码过程.-mpeg4 compression algorithm procedures, the details of the code idct process.
DCT2D
- IDCT JPEG中用到的 大家可以参考 呵呵 很好用-IDCT JPEG we can use the reference Oh good use
j2b
- JPEG图像解码并转换成BMP图像:大概包括IDCT、反量化、反编码等过程,程序可以正确编译!-JPEG image decoding and converted into BMP images : probably includes IDCT, anti-quantified, Anti-coding processes, procedures can correct translation!
jpeg
- the attached utility is a work I ve submitted to the university 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 transform
JPG
- 本论文主要介绍了JPEG的编码和解码过程。该程序的编码部分能把一张BMP格式的图象进行JEPG编码,压缩成以二进制形式保存的文件;通过相应的解码程序又可以把图象解压缩出来。在图象传送过程中,我们经常采用JPEG格式对静态图象进行编码。JPEG基本系统是一种有损编码,无法完全恢复出原图象,信息有一定的丢失,称为有损压缩。尽管我们希望能够无损压缩,但是通常有损压缩的压缩比(即原图象占的字节数与压缩后图象占的字节数之比,压缩比越大,说明压缩效率越高)比无损压缩的高。JPEG编码先把图象色彩RBG变成亮
TryDCT.rar
- 这是一组DCT和iDCT的代码,都是基于x86构架汇编的或标准C的,有使用MMX、3Dnow或者SSE、SSE2,是陈氏算法的变种,可以参考Intel APP Notes 9,This is a group of DCT and IDCT code, are based on the x86 architecture or standard C compilation, with the use of MMX, 3Dnow or SSE, SSE2, is a variant of Chen s
ieee1180test
- 根据IEEE 1180-1990写的测试iDCT精确性。- Test iDCT accuracy 1180-1990 writes which according to IEEE.
IDCT
- 反DCT变换代码,已通过调试,可以直接运行-Anti-DCT transform code, had passed through debugging, can be directly run
xapp615
- IDCT - xlinix design in vhdl-IDCT- xlinix design in vhdl
jpeg_decode
- 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(不支持扩展串行和递进模式及数学编码)。本解码器类的IDCT算法采用三种模式,分别是浮点解码、定点整数解码和定点整数MMX优化解码,您可根据具体情况选择。-jpeg decoder using Huffman encoder、IDCT based on foating decoder、Fixed-point integer decoder and Fi
DCTPROGRAM.ZIP
- it is verilog code for two dimentional dct
IDCT
- 解码器IDCT部分算法与硬件设计相关资料-Eassys related to algorithms and hardware design about IDCT in decoder
IDCT
- IEEE 1180号标准中关于MPEG标准下,对IDCT算法进行精度测试的小程序-IEEE 1180 standard number on the MPEG standards, the IDCT algorithm is tested for accuracy on a small program
3971017DCT
- 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1.对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换,比较结果。 2.可以使用 Matlab - Image Processing Toolbox 中的函数实现。-gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8
idct
- 能成功实现8*8的离散余弦反变换,在quartus II 环境下运行-Can be successfully realized 8* 8 discrete cosine inverse transform, running in quartus II environment
video-coding_mini-project_H.264
- 该程序实现了基本的H.264视频编码标准。-This is a mini-program of H.264, an efficient video coding standard. This program includes zig-zag scan, entropy coding, IDCT and implements basic functions of H.264.