Gaussian blur

См. также в других словарях:

• Gaussian blur — Gaussian blur, named for Carl Friedrich Gauss, describes blurring an image by a Gaussian function. It is a widely used effect in graphics software, typically to reduce image noise and reduce detail. The visual effect of this blurring technique is …   Wikipedia

• Gaussian blur — /gaʊsiən ˈblɜ/ (say gowseeuhn bler) noun a type of blur filter applied to a digital image that uses a mathematical formula to create the effect of looking through a lens that is out of focus …  

• Blur — can refer to:Unfocused imagery Blur generally refers to the appearance of an unfocused image. See Defocus aberration, eyeglass prescription, lens and eye. Specific terms using this meaning of Blur include:* Bokeh, the appearance of out of focus… …   Wikipedia

• Gaussian broadening — refers to broadening effects in spectral lines, these can be produced by Doppler broadening and natural broadening.This effect is similar to Gaussian blur effect in image processing produced by convolution with the Gaussian function.The term is… …   Wikipedia

• Gaussian function — In mathematics, a Gaussian function (named after Carl Friedrich Gauss) is a function of the form::f(x) = a e^{ { (x b)^2 over 2 c^2 } }for some real constants a > 0, b , c > 0, and e ≈ 2.718281828 (Euler s number).The graph of a Gaussian is a… …   Wikipedia

• Gaussian filter — In electronics and signal processing, a Gaussian filter is a filter whose filter window is the Gaussian function:x mapsto sqrt{frac{a}{picdot e^{ a cdot x^2}or with the standard deviation as parameter:x mapsto frac{1}{sqrt{2cdotpi}cdotsigma}cdot… …   Wikipedia

• Gaussian Pyramid — A Gaussian Pyramid is a technique used in image processing, especially in texture synthesis. The technique involves creating a series of images which are weighted down using a Gaussian average (Gaussian Blur) and scaled down. When this technique… …   Wikipedia

• Box blur — A box blur is an image filter in which each pixel in the resulting image has a value equal to the average value of its neighboring pixels in the input image. It is a form of low pass ( blurring ) filter and is a convolution.Due to its property of …   Wikipedia

• pixel blur — /ˈpɪksəl blɜ/ (say piksuhl bler) noun 1. → Gaussian blur. 2. the diffuse digital image created by a pixel blur …  

• Scale-invariant feature transform — Feature detection Output of a typical corner detection algorithm …   Wikipedia

• Median filter — Example of 3 median filters of varying radii applied to the same noisy photograph. Implemented in Adobe Photoshop. In signal processing, it is often desirable to be able to perform some kind of noise reduction on an image or signal. The median… …   Wikipedia