Download Image Super-Resolution and Applications by Fathi E. Abd El-Samie PDF

By Fathi E. Abd El-Samie

ISBN-10: 1466557966

ISBN-13: 9781466557963

This publication is dedicated to the problem of photograph super-resolution—obtaining high-resolution photographs from unmarried or a number of low-resolution pictures. even though there are various algorithms on hand for picture interpolation and super-resolution, there’s been a necessity for a booklet that establishes a standard thread among the 2 approaches. Filling this want, Image Super-Resolution and Applications provides picture interpolation as a construction block within the super-resolution reconstruction process.

Instead of coming near near snapshot interpolation as both a polynomial-based challenge or an inverse challenge, this publication breaks the mould and compares and contrasts the 2 techniques. It offers instructions for photograph super-resolution: super-resolution with a priori details and blind super-resolution reconstruction of pictures. It additionally devotes chapters to the 2 complementary steps used to procure high-resolution photographs: snapshot registration and photo fusion.

  • Details options for colour photo interpolation and interpolation for trend recognition
  • Analyzes picture interpolation as an inverse problem
  • Presents snapshot registration methodologies
  • Considers photo fusion and its software in photo large resolution
  • Includes simulation experiments besides the mandatory MATLAB® code

Supplying whole assurance of image-super answer and its functions, the ebook illustrates purposes for snapshot interpolation and super-resolution in clinical and satellite tv for pc picture processing. It makes use of MATLAB® courses to provide quite a few ideas, together with polynomial snapshot interpolation and adaptive polynomial photograph interpolation. MATLAB codes for many of the simulation experiments provided within the e-book are integrated within the appendix.

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Additional resources for Image Super-Resolution and Applications

Sample text

This adaptation reduces the blurring effect resulting from the interpolation, giving better visual quality. The demand for high-quality interpolation results has motivated research in the field of adaptive image interpolation. Recently, a linear space-varying approach was proposed for image interpolation. This approach is based on the evaluation of a “warped-distance” between the pixel to be estimated and each of its neighbors [28]. The warping process is performed by moving the estimate of the pixel toward the more homogeneous neighboring side.

By lexicographic ordering, we mean that the image is ordered column-by-column to form a single vector. The vector f is of size N 2 × 1, and the vectors g and v are of size M 2 × 1. The matrix D represents the filtering and down-sampling process that transforms the HR image to the LR one. It is of size M 2 × N 2. 2) where ⊗ represents the Kronecker product, and the M × N matrix D1 represents the one-dimensional (1-D) filtering and down-sampling by a factor R. 1 Down-sampling process from N × N HR image to N/2 × N/2 LR image.

Our target is how to solve this problem adaptively. 3 Linear Space-Invariant Image Interpolation The process of image interpolation aims at estimating intermediate pixel values between known pixel values. This process is performed on a 1-D basis row-by-row and then column-by-column. 2b. 1). 2c, which is as close as possible to the original discrete sequence f(xk). For interpolating the equally-spaced 1-D sampled data g(xn), all the previouslymentioned interpolation formulas can be used, but with different spatial indices for mathematical tractability.

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