zaz89 2012-03-17 05:33:25
Description: Quantify the discrete cosine transform coefficients procedure and its effect detection. The process used in the 8x8 sub-block method. First calculate the block discrete cosine transform (DCT), quantization of the DCT coefficient Finally, the inverse discrete cosine transform (iDCT) program can also set the scaling factor.
Plat: matlab | Size: 1KB | Downloads: 65
Mengjuan 2012-03-17 04:34:14
Description: DCT image compression
Plat: matlab | Size: 3KB | Downloads: 29
priya 2012-03-16 18:12:14
Description: DCT and IDCT code in matlab.
Plat: matlab | Size: 72KB | Downloads: 20
msiva 2012-03-15 01:53:37
Description: dct for verilog useful
Plat: Java | Size: 6KB | Downloads: 10
王真 2012-02-29 11:19:41
Description: a software of atom decompose,including kinds of dictionaries(DCT,wavelet)
Plat: matlab | Size: 1139KB | Downloads: 281
wangjing11111111111 2012-02-24 10:26:18
Description: DCT transform of this program written in C language. The full name of the DCT DCT transform is discrete cosine transform (Discrete Cosine the Transform), refers to a set of intensity data into frequency data, in order to know the intensity change of circumstances. Do high-frequency data modification, and then back to the original form of data, it is clear there are some differences with the original data, but the human eye is not easily recognizable
Plat: C/C++ | Size: 4366KB | Downloads: 12
houhouhouha 2012-02-19 12:09:41
Description: A.Image file formats Two. Image programming- operation palette 3. Read image data, storage and display, how to obtain the size of the image, and so on 4. Using images to beautify the interface 5 The basic operation of the image: Image Shift, Image rotate, mirror images, image scaling, image, clipboard operations 6. The image shows a variety of special effects 7. Image processing: image binarization, image brightness and contrast adjustment, image edge enhancement, how to get the correction of the image histogram, image histograms, image smoothing, image sharpening, the image of pseudo-color, color image converted to black and white images, the edges of objects in the search 8. Binary Image Processing: corrosion, expansion, refinement, distance transform 9. Image analysis: the identification of lines, circles, specific objects 10. JEPG, GIF, PCX format file related operations 11. Conversion of image file formats 12. Images commonly used transf
Plat: Visual C++ | Size: 24KB | Downloads: 26
翟明 2012-02-11 15:37:53
Description: Will an image to 8 X8 into pieces, then to every 8 X8 block DCT change, finally will transform the images after the layered, displayed again
Plat: matlab | Size: 220KB | Downloads: 20
纪亚萍 2012-02-06 21:32:20
Description: DCT, dft, the dht three kinds of image compression transformation
Plat: matlab | Size: 28754KB | Downloads: 49
Addie 2012-01-07 22:00:38
Description: Digital signal processing experiment, DCT image compression, contains matlab experiment m documents and the experiment report for your reference.
Plat: matlab | Size: 63KB | Downloads: 133
姚笛 2011-12-13 11:32:58
Description: dct method write dct watermark
Plat: matlab | Size: 336KB | Downloads: 23
石杨欣 2011-12-10 17:04:40
Description: For F5 steganography detection, including the co-occurrence matrix, feature extraction discontinuity, DCT transform, gray value extraction, using support vector machine SVM
Plat: Visual C++ | Size: 4966KB | Downloads: 38
wenjing 2011-12-07 11:19:41
Description: 1, the use of DCT for jpg compression, which DCT can call the function, the other as far as possible to write your own code, the compression process can be simplified as appropriate Technology (by checking the book to understand the principles jpg) 2, the binary image, please use the binary image compression method for data compression, and decompression, see through the naked eye can see Clear dial data, compare the two compression algorithms
Plat: C/C++ | Size: 801KB | Downloads: 34
uihwg0822 2011-11-26 20:02:44
Description: This is multimedia encode program--DCT sosine change,programed by CSharp.
Plat: C# | Size: 30KB | Downloads: 18
liuhongwei 2011-11-18 20:58:05
Description: Based on fast fft transform dct transform, to achieve fast, efficient
Plat: matlab | Size: 1KB | Downloads: 10
jiang jianxing 2011-11-14 21:00:17
Description: use 8*8 block dct to chang image, and use 8*8 block idct to renew image.
Plat: matlab | Size: 211KB | Downloads: 124
先行后知 2011-11-11 20:32:33
Description: A sine wave using DCT, FFT transform sparse, and then apply compressed sensing to achieve compression, and a legend reconstruction simulation results. Reconstruction algorithm using linear programming and OMP algorithms, is a good example of beginner CS entry.
Plat: matlab | Size: 6KB | Downloads: 441
吴原远 2011-11-01 01:02:25
Description: DCT transform using grayscale image compression, the compression ratio obtained compare different compression ratio of the image.
Plat: matlab | Size: 1004KB | Downloads: 177
刘会影 2011-10-23 12:37:34
Description: This is a image processing procedure based on compressed sensing which respectively uses two-dimensional DCT, FFT and one-dimensional dwt transform to sparse the image signal and then uses the orthogonal matching pursuit algorithm for reconstruction.
Plat: matlab | Size: 41KB | Downloads: 404
YF 2011-10-23 00:54:17
Description: FPGA-based image compression algorithm, write your own, you can refer to
Plat: VHDL | Size: 2KB | Downloads: 33
汪照 2011-10-19 19:54:15
Description: circular convolution in matlab, digital signal processing, it has greatly effect
Plat: matlab | Size: 3KB | Downloads: 6
strong 2011-10-19 19:30:31
Description: The DCT of image high-pass, low pass filter and compared with the Fourier transform.
Plat: matlab | Size: 8917KB | Downloads: 233
zhangjun 2011-10-17 17:02:00
Description: dct transforma
Plat: Visual C++ | Size: 13KB | Downloads: 28
joe 2011-09-19 21:35:42
Description: Matlab code for doing DCT and inverse DCT
Plat: matlab | Size: 1KB | Downloads: 7
flash 2011-09-18 03:13:30
Description: DCT - Discrete Consine Transformation
Plat: C/C++ | Size: 584KB | Downloads: 2
rita 2011-09-15 09:30:37
Description: A Steganalysis Based on the Fusion of Three-domain Features of Image and SVM (Support Vector Machines) Classifier.the three domain is the dct,the dwt and the space
Plat: matlab | Size: 166KB | Downloads: 251
kartik 2011-09-09 21:38:08
Description: dct and idct code for verilog
Plat: VHDL | Size: 2KB | Downloads: 26
塞北烽 2011-09-07 11:07:00
Description: the realization of a digital signal processing simulation system. Requires interface and achieve the following functions: to produce (to be) and select a variety of digital signal (sin, square, triangle wave, voice, noise, and overlay)with DFT and DCT features a variety of signals transform Filter Design low pass, high pass, band pass filter, the output signal of the frequency domain to get the features and time series.
Plat: matlab | Size: 46KB | Downloads: 194
qinjuan 2011-08-16 20:32:01
Description: PCA was used to test digital image s copy and paste area.
Plat: matlab | Size: 21KB | Downloads: 137
xinshoujiadao 2011-08-08 13:02:11
Description: In a slow fading channels,a modified DCT based-OFDM system channel estimation method.
Plat: matlab | Size: 34KB | Downloads: 92