signal image and video processing ppt

Ngày tải lên: 05/06/2014, 11:59

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Ngày tải lên: 18/04/2014, 10:59

... Analysis and Classification: Theory and Practice Luciano da Fontoura Costa and Roberto Marcondes Cesar, Jr. Published Titles Image and Video Compression for Multimedia Engineering Yun Q. Shi and Huiyang ... network infrastructures, different standards are needed. Each system standard contains specifications about video coding, audio coding, control and signaling, and multiplexing. For multimedia communication ... specifies G.711 as the mandatory audio codec, and includes G.722, G.723.1, G.728, and G.729 as optional choices. For video coding, it specifies H.261 as the mandatory coding algorithm and includes H.263...

Ngày tải lên: 08/05/2014, 16:13

... sim- plifications for real-time image and video processing, Hardware platforms for real-time image and video processing, Software methods for real-time image and video processing P1: IML/FFX P2: ... arises in typical image and video processing al- gorithms, let us have a closer look at the operations involved in the processing of image and video data. Traditionally, image/ video processing operations ... 16:51 REAL-TIME IMAGE AND VIDEO PROCESSING CONCEPTS 9 1.4.5 Challenges in Real-time Image/ Video Processing Bearing in mind the above argument, developing a real-time image/ video processing system can...

Ngày tải lên: 05/06/2014, 11:40

... the Compressed Form Figure 1.3 : Processing in the domain of alternative representation. 1.3 Overview of Different Image and Video Compression Techniques and Standards Various image and video compression techniques ... of video resizing, in particular video downsampling, is discussed in the next chapter on transcoding. In chapter six, transcoding of images and videos is discussed. As most of the image and video ... (a) Original and (b) Enhanced image. . . . . . . . . . . . . . . . . . . . . 42 xi â 2011 by Taylor and Francis Group, LLC Image and Video Compression: An Overview 7 Input Compressed Image Decompression Processing in...

Ngày tải lên: 05/06/2014, 12:04

... of very foggy scenes and (2) color faders are used for video signals close to the saturation le vel. Let us now address both cases. 28 EURASIP Journal on Image and Video Processing challenge ... image signal Y AVG is made as a product of brightness L of the input image, Exposure (integration) Time t ET of the sensor, gain G of the image processing pipeline, and a constant K,see[9], and ... Merging long- and short-exposure images into one image: (a) mixing and (b) hard switching. image, to retain the luminance relation. As a result, after combining these two images into one image, the...

Ngày tải lên: 21/06/2014, 06:20

... Journal on Image and Video Processing [34] A. C. Kokaram, “On missing data treatment for degraded video and film archives: a survey and a new Bayesian approach,” IEEE Transactions on Image Processing, ... 141–152, 2003. EURASIP Journal on Image and Video Processing 7 (a) Original image (b) Image section showing the specular highlights (c) Gaussian filtered, filled image section (d) Detected specular ... gradual transition between c(x) and c sm (x). Figure 5 illustrates the approach by showing the relevant images and masks. 10 EURASIP Journal on Image and Video Processing Table 3: Performance...

Ngày tải lên: 21/06/2014, 06:20

... to the ground plane, y t and y b as the y image coordinates of the top and bottom of the pedestrian, Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, ... bicubic blending and outliers filling. Indeed, given an image and its polar transformation with respect to the image center, any slice of annulus on the original image (centered in the image center) ... polar image, that represents a slice of annulus over the original EURASIP Journal on Image and Video Processing 11 0 20 40 60 80 100 −20 0 20 40 60 −60 −40 −20 0 20 40 60 80 L a b Plot of heads and...

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Ngày tải lên: 28/06/2014, 22:20

... y1(:,l+1)’; end end Example 3.4 Read an intensity image and expand it in terms of the DCT basis images and show how the image quality improves as more and more basis images are included in the expansion. ... basis images, we then calculate the MSE between the original image and the reconstructed image. To visualize the difference in the quality of the reconstructed image, we use 1 and 13 basis images ... grayscale image, downsample it by a factor of M, and recon- struct the full size image from the downsampled image. Now, prefilter the original image with a lowpass filter and repeat downsampling and...

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