denoising
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Video denoising — is the process of removing noise from a video signal. Video denoising methods are divided into: * Spatial video denoising methods, when only one frame is used for noise suppression. Such methods are close to image noise reduction. * Temporal… … Wikipedia
Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… … Wikipedia
Total variation — As the green ball travels on the graph of the given function, the length of the path travelled by that ball s projection on the y axis, shown as a red ball, is the total variation of the function. In mathematics, the total variation identifies… … Wikipedia
Standard test image — A standard test image is a digital image file used across different institutions to test image processing and image compression algorithms. By using the same standard test images, different labs are able to compare results, both visually and… … Wikipedia
Comparison of video codecs — A video codec is software or a device that provides encoding and decoding which may or may not include the use of video compression and/or decompression for digital video. The compression may employ lossy data compression, so quality measurement… … 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
Wavelet — A wavelet is a mathematical function used to divide a given function or continuous time signal into different frequency components and study each component with a resolution that matches its scale. A wavelet transform is the representation of a… … Wikipedia
Graph cuts in computer vision — As applied in the field of computer vision, graph cuts can be employed to efficiently solve a wide variety of low level computer vision problems ( early vision ), such as image smoothing, the stereo correspondence problem, and many other computer … Wikipedia
Video post-processing — The term post processing (or postproc for short) is used in the video/film business for quality improvement image processing (specifically digital image processing) methods used in video playback devices, (such as stand alone DVD Video players),… … Wikipedia
Dwight Hooker — is a photographer for Playboy magazine. He was, at times, described as a master of the sensual and the erotic along with photographers Helmut Newton and J. Frederick Smith.[1][2] Lenna, the standard test image for image processing algorithms… … Wikipedia
