edge pixel

См. также в других словарях:

• Edge detection — is a terminology in image processing and computer vision, particularly in the areas of feature detection and feature extraction, to refer to algorithms which aim at identifying points in a digital image at which the image brightness changes… …   Wikipedia

• Pixel aspect ratio — (PAR), in computer graphics terminology, is a mathematical ratio that describes how the horizontal length of a pixel in an imaging system compares to its vertical height.Most modern imaging systems describe an image as a grid of very small but… …   Wikipedia

• Edge preserving smoothing — is an image processing technique where the edge information is preserved during the smoothing process. It uses non linear operator which is able to remove texture and noise, while keeping edges and corners. The technique is known also as edge and …   Wikipedia

• Edge Change Fraction — Die Edge Change Ratio (Abkürzung ECR, englisch für „Kantenänderungsverhältnis“) ist ein Maß, das die Unterschiedlichkeit zweier aufeinanderfolgender Bilder in einem digitalen Video misst und von Algorithmen zur Schnitterkennung verwendet wird.… …   Deutsch Wikipedia

• Edge Change Ratio — Die Edge Change Ratio (Abkürzung ECR, englisch für „Kantenänderungsverhältnis“) ist ein Maß, das die Unterschiedlichkeit zweier aufeinanderfolgender Bilder in einem digitalen Video misst und von Algorithmen zur Schnitterkennung verwendet wird.… …   Deutsch Wikipedia

• Canny edge detector — The Canny edge detection operator was developed by John F. Canny in 1986 and uses a multi stage algorithm to detect a wide range of edges in images. Most importantly, Canny also produced a computational theory of edge detection explaining why the …   Wikipedia

• Defective pixel — Close up of an LCD, showing a dead green subpixel Defective pixels are pixels on a liquid crystal display (LCD) not performing as expected. The ISO standard ISO 13406 2 distinguishes between three different types of defective pixels,[1][2] while… …   Wikipedia

• Sub-pixel resolution — In Digital Image Processing, Sub pixel resolution can be obtained in digital images containing well defined lines, points or edges that can be processed by an algorithm to reliably measure the position of the line, point or edge in the image with …   Wikipedia

• Aspect ratio (image) — For other uses, see Aspect ratio (disambiguation). For computer screen topics, see display aspect ratio. For screen rotation and portrait mode, see page orientation. 4:3 redirects here. For the 4/3 digital camera/lens standard, see Four Thirds… …   Wikipedia

• Edgel — is a term commonly used in computer vision research to refer to a pixel in an image that has the characteristics of an edge, as defined in the image processing sense, and may also be used to refer to the orientation and/or magnitude data of the… …   Wikipedia

• 8800 Sirocco — Diese Liste bietet eine Übersicht über verschiedene Nokia Mobiltelefone. Inhaltsverzeichnis 1 Nokia 1xxx 1.1 Nokia 1100 1.2 Nokia 1110 1.3 Nokia 1200 1.4 Nokia 1208 …   Deutsch Wikipedia