Histogram equalization — is a method in image processing of contrast adjustment using the image s histogram.OverviewThis method usually increases the local contrast of many images, especially when the usable data of the image is represented by close contrast values.… … Wikipedia
Image editing — For the uses, cultural impact, and ethical concerns of image editing, see Photo manipulation. For the process of culling and archiving images, see Digital asset management. A colorized version of originally black and white photo, colorized using… … Wikipedia
Histogram — In statistics, a histogram is a graphical display of tabulated frequencies, shown as bars. It shows what proportion of cases fall into each of several categories. A histogram differs from a bar chart in that it is the area of the bar that denotes … Wikipedia
Histogram of oriented gradients — Histogram of Oriented Gradient descriptors, or HOG descriptors, are feature descriptors used in computer vision and image processing for the purpose of object detection. The technique counts occurrences of gradient orientation in localized… … Wikipedia
Image Quality — is a characteristic of an image that measures the perceived image degradation (typically, compared to an ideal or perfect image). Imaging systems may introduce some amounts of distortion or artifacts in the signal, so the quality assessment is an … Wikipedia
Image fusion — In computer vision, Multisensor Image Fusion is the process of combining relevant information from two or more images into a single image. The resulting image will be more informative than any of the input images. In remote sensing applications,… … Wikipedia
Image retrieval — An image retrieval system is a computer system for browsing, searching and retrieving images from a large database of digital images. Most traditional and common methods of image retrieval utilize some method of adding metadata such as captioning … Wikipedia
Image intégrale — Calcul de la somme des pixels dans une zone rectangulaire arbitrairement située dans une image numérique: seuls 4 accès à l image intégrale (A,B,C,D) sont nécessaires. Une image intégrale (ou summed area table) est une représentation sous la… … Wikipédia en Français
Color histogram — Not to be confused with Image histogram. In image processing and photography, a color histogram is a representation of the distribution of colors in an image. For digital images, a color histogram represents the number of pixels that have colors… … Wikipedia
Comparison of image processing software — The following table provides a comparison of image processing software. Functionality Matlab*[1] Mathematica[2] imageJ FIJI (software) Population Extract alpha channel No … Wikipedia
