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We propose a novel image denoising strategy based on an enhanced sparse representation in transform domain. The enhancement of the sparsity is achieved by grouping similar 2-D image fragments (e.g., blocks) into 3-D data...

An improved way of estimating the local tangent in the nudged elastic band method for finding minimum energy paths is presented. In systems where the force along the minimum energy path is large compared to the restoring...

Conventional approaches to sampling signals or images follow Shannon's theorem: the sampling rate must be at least twice the maximum frequency present in the signal (Nyquist rate). In the field of data conversion, standa...

We consider the class of iterative shrinkage-thresholding algorithms (ISTA) for solving linear inverse problems arising in signal/image processing. This class of methods, which can be viewed as an extension of the classi...

This paper describes a computational approach to edge detection. The success of the approach depends on the definition of a comprehensive set of goals for the computation of edge points. These goals must be precise enoug...

Suppose x is an unknown vector in Ropf m (a digital image or signal); we plan to measure n general linear functionals of x and then reconstruct. If x is known to be compressible by transform coding with a known transform...

In recent years there has been a growing interest in the study of sparse representation of signals. Using an overcomplete dictionary that contains prototype signal-atoms, signals are described by sparse linear combinatio...

Materias / palabras clave: signal processing, information processing, image processing, speech processing; Science: Mathematics: Instruments and machines: Electronic computers. Computer science

Materias / palabras clave: image and signal processing, artificial intelligence, biomedical applications, computer science applications, pattern recognition, engineering; Technology: Chemical technology: Biotechnology; Medicine: Medicine (General)...

Materias / palabras clave: image analysis, image processing, artificial intelligence, signal processing, pattern recognition; Technology: Technology (General): Industrial engineering. Management engineering: Information technology; Fine Arts: Draw...

Materias / palabras clave: signal and image processing, telecommunications, machine learning, mobile computing, computer networks, artificial intelligence; Technology: Electrical engineering. Electronics. Nuclear engineering: Telecommunication; Te...

Materias / palabras clave: remote sensing, image and signal processing, space software and on-board computers, space optics, electric power and electronics, geographic information systems; Science: Astronomy: Geodesy

Materias / palabras clave: ai-driven communication, computer networks, machine learning, signal processing, intelligent air and space exploration, computer vision image processing; Technology: Technology (General): Industrial engineering. Manageme...

Materias / palabras clave: signal processing for communication, communication systems, communication networks, image and video processing, biomedical signal processing, optical signal processing; Technology: Mechanical engineering and machinery: C...

Materias / palabras clave: simulation, modeling, signal processing, image processing, decision systems, applied statistics in medicine; Medicine: Medicine (General): Computer applications to medicine. Medical informatics