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Perform rotation, translation and scaling on any image using MATLAB. The function has five inputs. These include at the first place the image which is to be rotated, translated and scaled. The second includes the scale factor. Scale factor less than
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对给定的图像矩阵进行哈夫曼编码,并用matlab实现,求出压缩前后的压缩比-Given image matrix Huffman coding, and using Matlab to achieve compression ratio obtained before and after compression
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用MATLAB编写的基于多尺度小波分析的图像压缩程序。-Prepared using MATLAB image compression based on multi-scale wavelet analysis.
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1了解离散余弦正变换和逆变换的原理;
2理解离散余弦变换系数的特点;
3了解离散余弦变换在图像数据压缩中的应用;
4通过本实验掌握利用MATLAB编程实现数字图像的余弦变换;
-1 for the discrete cosine transform and inverse transform principle understand the characteristics of the discrete cosine transform coefficients 3 for
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MATLAB图像处理源程序3:程序代码说明
P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
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根据JPEG压缩编码的基本压缩原理编写JPEG仿真程序,利用MATLAB软件对程序进行运行调试,验证了JPEG压缩编码算法的可行性。通过比对输出图像压缩前后实际效果,探讨压缩比,峰值信噪比等评价图像数据压缩程度及压缩质量的关键参数,对JPEG压缩编码算法的实用性和优越性进行了研究。- I have JPEG compression in-depth study on the basic principles of image data compression based on JPEG emul
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用matlab实现图像的DCT变换,将高频细节点忽略达到压缩的目的-Using matlab image DCT transformation, the high-frequency detail to achieve the purpose of compression point ignored
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P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308:图像的自适应魏纳滤波
P0309:运
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matlab 做的双正交小波变换,用于图像压缩处理(仅供大家参考)-biorthogonal digital wavelet transform by using matlab,for digital image compression and processing
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用MATLAB进行静态图像压缩编程中的游长编码部分的程序实现-using MATLAB programming static image compression of outbound long-coding part of the program
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用matlab实现基于小波的图像压缩。其中还包括与之做比较的离散傅立叶变换压缩程序-using Matlab wavelet-based image compression. It also includes comparison with the discrete Fourier Transform compression process
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Image compression and dbxecompression using Discrete wavelet transform in matlab
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Image Compression by:
1) Use Adobe Photoshop to Compress images using LZW algorithm (i.e. lossless technique).
2) Use MATLAB to Compress images using JPEG algorithm (i.e. lossy technique) and Assess objectively the quality of the compressed
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. Write MATLAB code that will do the following.
(a) Apply DCT on an image and obtain the o/p
(b) On the DCT image apply quantization using standard quantiser. (8×8)
(c) Apply IDCT to retain back the image.
Apply Hoffman compression
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IMAGE DENOISING AND COMPRESSION using soft thresholding algorithms in matlab tool
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用Matlab实现小波变换,进行图像压缩-Using Matlab achieve wavelet transform for image compression
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在图像处理实验中,有时需要对图像进行精确质量因子的JPEG压缩,而photoshop和一般的图像处理软件并不具备,本程序利用matlab实现该功能,并支持批处理(将待处理图像放入src文件夹,dst文件夹为输出)-In image processing experiments, sometimes the need for accurate image quality factor of JPEG compression, and photoshop and general image proc
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matlab课程编程【谷速软件】使用小波变换Wavelet的图像压缩源代码-Courses matlab software programming speed [Valley] using wavelet transform Wavelet image compression source code
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图像dct变换,量化,f3隐写,压缩,解压,使用matlab实现-Image DCT transform, quantization, F3 steganography, compression, decompression, using MATLAB to achieve
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程序代码说明
P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308:图像的自适应魏纳滤波
P0309:运用5种不同的梯度增强法进
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