signal reconstruction algorithm

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• Signal reconstruction — In signal processing, reconstruction usually means the determination of an original continuous signal from a sequence of equally spaced samples.This article takes a generalized abstract mathematical approach to signal sampling and reconstruction …   Wikipedia

• Reconstruction filter — In a mixed signal system (analog and digital), a reconstruction filter (or anti imaging filter) is used to construct a smooth analogue signal from the output of a digital to analogue converter (DAC) or other sampled data output device.ampled data …   Wikipedia

• Difference-map algorithm — Iterations 0, 100, 200, 300 and 400 in the difference map reconstruction of a grayscale image from its Fourier transform modulus The difference map algorithm is a search algorithm for general constraint satisfaction problems. It is a meta… …   Wikipedia

• Difference map algorithm — The difference map algorithm is a search algorithm for general constraint satisfaction problems. It is a meta algorithm in the sense that it is built from more basic algorithms that perform projections onto constraint sets. From a mathematical… …   Wikipedia

• Matching pursuit — Signal reconstruction with matching pursuit algorithm. Matching pursuit is a type of numerical technique which involves finding the best matching projections of multidimensional data onto an over complete dictionary D. The basic idea is to… …   Wikipedia

• Software tools for molecular microscopy — There are a large number of software tools or software applications that have been specifically developed for the field sometimes referred to as molecular microscopy or cryo electron microscopy or cryoEM. Several special issues of the Journal of… …   Wikipedia

• Super-resolution — (SR) are techniques that in some way enhance the resolution of an imaging system. There are different views as to what is considered an SR technique: some consider only techniques that break the diffraction limit of systems, while others also… …   Wikipedia

• Electrical impedance tomography — (EIT), is a medical imaging technique in which an image of the conductivity or permittivity of part of the body is inferred from surface electrical measurements. Typically conducting electrodes are attached to the skin of the subject and small… …   Wikipedia

• Artifact (error) — Diffraction spikes are lens flare artifacts In natural science and signal processing, an artifact is any error in the perception or representation of any visual or aural information introduced by the involved equipment or technique(s) …   Wikipedia

• Photoacoustic imaging in biomedicine — Photoacoustic imaging, as a hybrid biomedical imaging modality, is developed based on the photoacoustic effect. In photoacoustic imaging, non ionizing laser pulses are delivered into biological tissues (when radio frequency pulses are used, the… …   Wikipedia

• Quantitative comparative linguistics — is a branch of comparative linguistics that applies mathematical models to the problem of classifying language relatedness. This includes the use of computational phylogenetics and cladistics to define an optimal tree (or network) to represent a… …   Wikipedia