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K correction. K correction converts measurements of astronomical objects into their respective rest frames. The correction acts on that object's observed magnitude (or equivalently, its flux ). Because astronomical observations often measure through a single filter or bandpass, observers only measure a fraction of the total spectrum, redshifted ...
Digital Photography Review, also known as DPReview, is a website about digital cameras and digital photography, established in November 1998. [4] The website provides comprehensive reviews of digital cameras, [4] lenses and accessories, buying guides, [4] user reviews, [4] and forums for individual cameras, as well as general photography forums.
The Pediatric Risk of Mortality ( PRISM) score was developed from the Physiologic Stability Index (PSI) [1] to reduce the number of physiologic variables required for pediatric intensive-care unit (PICU) mortality risk assessment, from 34 (in the PSI) to 14, [2] and to obtain an objective weighting of the remaining variables. [citation needed ...
Prism is a multi-format video converter developed by NCH Software for Windows and Mac OS. It offers converting tools for instant media conversions. [1] Prism Video Converter can handle large and high-quality resolution media files. [2] It provides built-in compressor and adjuster settings, allowing users to customize and optimize their videos ...
Image Geometry Correction (often referred to as Image Warping) is the process of digitally manipulating image data such that the image’s projection precisely matches a specific projection surface or shape. [1] Image geometry correction compensates for the distortion created by off-axis projector or screen placement or non-flat screen surface ...
The Program Assessment Rating Tool, or PART, was a program run through the United States Office of Management and Budget to rate the effectiveness of all federal programs, PART was instituted by President George W. Bush in 2002. It was discontinued by the Obama administration . PART was spearheaded by OMB Director Mitch Daniels.
Schmidt–Pechan prism. A Schmidt–Pechan prism, side view (top) and 3D-view (bottom). A Schmidt–Pechan prism is a type of optical prism used to rotate an image by 180°. These prisms are commonly used in binoculars as an image erecting system. The Schmidt–Pechan prism makes use of a roof prism section (from the German: "Dachkante", lit ...
Greenhouse–Geisser correction. The Greenhouse–Geisser correction is a statistical method of adjusting for lack of sphericity in a repeated measures ANOVA. The correction functions as both an estimate of epsilon (sphericity) and a correction for lack of sphericity. The correction was proposed by Samuel Greenhouse and Seymour Geisser in 1959.