Download Advances in Visual Data Compression and Communication: by Feng Wu PDF

By Feng Wu

Visible details is among the richest and so much bandwidth-consuming modes of communique. to fulfill the necessities of rising purposes, strong facts compression and transmission innovations are required to accomplish hugely effective verbal exchange, even within the presence of starting to be communique channels that supply elevated bandwidth.

Presenting the result of the author’s years of study on visible info compression and transmission, Advances in visible facts Compression and verbal exchange: assembly the necessities of recent purposes offers a theoretical and technical foundation for complicated study on visible facts compression and communication.

The e-book stories the drifting challenge in scalable video coding, analyzes the explanations inflicting the matter, and proposes a number of recommendations to the matter. It explores the author’s Barbell-based lifting coding scheme that has been followed as universal software program by means of MPEG. It additionally proposes a unified framework for deriving a directional remodel from the nondirectional counterpart. The constitution of the framework and the statistic distribution of coefficients are just like these of the nondirectional transforms, which enables next entropy coding.

Exploring the visible correlation that exists in media, the textual content extends the present coding framework from diversified elements, together with complicated photo synthesis—from description and reconstruction to organizing correlated photographs as a pseudo series. It explains the way to observe compressive sensing to resolve the knowledge compression challenge in the course of transmission and covers novel learn on compressive sensor info accumulating, random projection codes, and compressive modulation.

For analog and electronic transmission applied sciences, the booklet develops the pseudo-analog transmission for media and explores state-of-the-art study on disbursed pseudo-analog transmission, denoising in pseudo-analog transmission, and assisting MIMO. It concludes via contemplating rising advancements of data concept for destiny functions.

Show description

Read Online or Download Advances in Visual Data Compression and Communication: Meeting the Requirements of New Applications PDF

Best imaging systems books

Optical communication theory and techniques

Because the creation of optical communications, a greattechnological attempt has been dedicated to the exploitation of the massive bandwidth of optical fibers. Sta- ing from a couple of Mb/s unmarried channel platforms, a quick and relentless technological improvement has ended in the particular 10 Gb/s in step with channel dense wavelength - imaginative and prescient multiplexing (DWDM) platforms, with dozens of channels on a unmarried fiber.

Emerging Optical Network Technologies

Optical networks have moved from laboratory settings and theoretical examine to real-world deployment and service-oriented explorations. New applied sciences reminiscent of Ethernet PON, site visitors grooming, local and metropolitan community architectures and optical packet switching are being explored, and the panorama is continually and quickly evolving.

Imaging in Chemical Dynamics

Content material: Imaging in chemical dynamics : the state-of-the-art / Arthur G. fits and Robert E. Continetti -- What have we discovered from [beta]? / Richard Bersohn -- advancements within the product imaging method and their software to ozone photodissociation / Joseph D. Geiser . .. [et al. ] -- pace map imaging : method and functions to O₂ photodissociation / D.

High Dynamic Range Imaging: Sensors and Architectures

Illumination is a vital point in lots of functions, matching the luminance of the scene with the operational variety of a digital camera. while luminance can't be thoroughly managed, a excessive dynamic variety (HDR) imaging procedure will be beneficial. those structures are being more and more utilized in car on-board structures, highway site visitors tracking, and different business, protection, and army functions.

Extra info for Advances in Visual Data Compression and Communication: Meeting the Requirements of New Applications

Sample text

61), the syndrome depends only on the error Z and not on the transmitted codeword. If d = 0, then the decoded codeword is y. If d = 0, then let i denote the column of H, which is equal to dT . 4 Joint Source and Channel Coding 19 i of yˆ . The decoded codeword is y = yˆ + zi , where zi is a vector which is all zeros except for a 1 in the ith position. Hamming codes demonstrate how channel coding works in communication. Although Hamming codes are very simple in both encoding and decoding, they are not capacity-approached channel codes.

2. An encoding function Y n : {1, 2, · · · , M} → Y n , yielding codewords Y n (1), Y n (2), · · · , Y n (M). The set of codewords is called the codebook. 3. A decoding function g : Yˆ n → {1, 2, · · · , M}, which is a deterministic rule to assign a guess to each possible received vector. 55) yˆn be the conditional probability of error given that index i was sent, where I() is the indicator function. The maximal probability of error λ (n) for an (M, n) code is defined as λ (n) = max λi . 3 Channel Coding 17 The rate R of an (M, n) code is log M .

1 proven by Cover and Thomas [5]. From the theorem, for a given distortion D, the minimum rate is the minimum mutual information between Sn and Sˆn for all pairs of (sn , sˆn ), which the distortions are less than or equal to D. With the rate distortion theorem, we can derive the close-form rate distortion function of a single Gaussian source. Let S be ∼ N(0, σs2 ). According to the rate distortion theorem, we have ˆ R(D) = min I(S; S). 32) 2 ≤D ˆ f (s|s):E( ˆ S−S) ˆ 2≤ We first find a lower bound for the above rate distortion function.

Download PDF sample

Rated 4.45 of 5 – based on 10 votes