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

By Feng Wu

Visible details is likely one of the richest and so much bandwidth-consuming modes of communique. to fulfill the necessities of rising purposes, strong information compression and transmission innovations are required to accomplish hugely effective conversation, even within the presence of turning out to be verbal exchange channels that provide elevated bandwidth.Presenting the result of the author's years of study on visible data Read more...

Show description

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

Best imaging systems books

SONET/SDH Demystified

*Clear reasons of SONET (Synchronous Optical Network), the general for prime pace transmission over optical fiber, for the non-engineer *Provides distinctive SONET case stories and company types *Includes assurance of DWDM (Dense Wavelength department Multiplexing) and WDM (Wavelength department Multiplexing

Basics of PET Imaging: Physics, Chemistry, and Regulations

This revised variation of fundamentals of puppy Imaging provides an remarkable textual content at the fundamentals of puppy imaging expertise. special writer, Dr. Gopal B. Saha, has up-to-date his prior bestselling paintings with concise chapters on puppy basics, including:Basic physicsInstrumentation and knowledge acquisitionProduction of puppy radionuclidesPerformance features of puppy scannersRegulatory and repayment issuesTo maximize figuring out, and to aid technologists and citizens arrange for board tests, chapters comprise pertinent easy technology and equations besides pattern difficulties and perform questions.

Analysis of Variance in Statistical Image Processing

A key challenge in useful photo processing is the detection of particular positive aspects in a loud photograph. research of variance (ANOVA) suggestions might be very powerful in such events, and this ebook offers a close account of using ANOVA in statistical snapshot processing. The e-book starts by means of describing the statistical illustration of pictures within the a number of ANOVA types.

Magnetic Nanoparticles: Particle Science, Imaging Technology, and Clinical Applications

In those complaints, an outline on contemporary result of a unique imaging modality in accordance with magnetic nanoparticles is given. This imaging idea, known as magnetic particle imaging (MPI), falls into the class of useful imaging and, for this reason, the magnetic nanoparticles could function tracers of metabolic procedures.

Additional resources for Advances in Visual Data Compression and Communication: Meeting the Requirements of New Applications

Sample text

Source Sn with distribution p(sn ) and bounded distortion function d(sn , sˆn ) is equal to the associated information rate distortion function. 31) is the minimum achievable rate at distortion D. 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.

All codewords for this code are [0, 0, 0, 0, 0, 0, 0] , [1, 1, 0, 1, 0, 0, 0] , [0, 1, 1, 0, 1, 0, 0] , [1, 0, 1, 1, 1, 0, 0] [0, 0, 1, 1, 0, 1, 0] , [1, 1, 1, 0, 0, 1, 0] , [0, 1, 0, 1, 1, 1, 0] , [1, 0, 0, 0, 1, 1, 0] . 60) It can be verified that the number of different bits between any two codewords is 3. This is known as Hamming distance. Therefore, Hamming (7, 4) codes can detect up to two bits of error and correct up to one bit of error. 61) if and only if the vector y is a codeword. The parity check matrix is not unique.

Such a scheme has an infinite capacity as well. Thus if the noise variance is zero or the input is unconstrained, the capacity of the channel is infinite. The most common limitation on the input is an energy or power constraint. We assume an average power constraint. 47) ∑ yi ≤ P. n i=1 This communication channel models many practical channels, including radio and satellite links. The additive noise in such channels may be due to a variety of reasons. However, by the central limit theorem, the cumulative effect of a large number of small random effects will be approximately normal, so the Gaussian assumption is valid in a large number of situations.

Download PDF sample

Rated 4.74 of 5 – based on 28 votes