Block-matching and 3D filtering (BM3D) is a 3-D block-matching algorithm used primarily for noise reduction in images. It is one of the expansions of the...

pixels. Block-matching and 3D filtering makes use of this approach to solve various image restoration inverse problems such as noise reduction and deblurring...

edge-avoiding wavelets, geodesic editing, guided filtering, iterative guided filtering and domain transforms. Gaussian filter Gaussian function Gaussian blur Convolution...

learning technique that brings performance comparable to that of Block-matching and 3D filtering yet requires much lower computational overhead (such that it...

The median filter is a non-linear digital filtering technique, often used to remove noise from an image or signal. Such noise reduction is a typical pre-processing...

several basic ways to reduce sound: increasing the distance between source and receiver, decoupling, using noise barriers to reflect or absorb the energy...

mobile telephones, earbuds, and headphones. Sound is a pressure wave, which consists of alternating periods of compression and rarefaction. A noise-cancellation...

regularization or total variation filtering, is a noise removal process (filter). It is based on the principle that signals with excessive and possibly spurious detail...

"local mean" filters, which take the mean value of a group of pixels surrounding a target pixel to smooth the image, non-local means filtering takes a mean...

bird–window collisions for large and clear barriers Noise abatement walls often block rail passengers' or road users' view and attract graffiti. This noise...

Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics...

machines, transport and propagation systems. Poor urban planning may give rise to noise disintegration or pollution, side-by-side industrial and residential buildings...

polarizing filter for each eye. The left and right filters have different polarizations, so each eye receives only the image with the matching polarization...

Nonlinear Diffusion Filtering". Scale-Space Theory in Computer Vision. Springer, LNCS 1252. pp. 1–28. doi:10.1007/3-540-63167-4. Bernd Jähne and Horst Haußecker...

Noise health effects are the physical and psychological health consequences of regular exposure to consistent elevated sound levels. Noise from traffic...

application of dichroic filters is spatial filtering. With a technique licensed from Infitec, Dolby Labs uses dichroic filters for screening 3D movies. The left...

provincial and municipal levels of government. After the watershed passage of the United States Noise Control Act of 1972, other local and state governments...

received by an electronic or digital medium, noise can be filtered from the signal electronically and retransmitted without the noise. See noise-canceling...

spectral comb filtering or wavelength multiplex visualization or super-anaglyph. Dolby 3D uses this principle. The Omega 3D/Panavision 3D system has also...

filter. The process of filtering out the most 'unique' elements can also be repeated multiple times by changing the hash function in each filtering step...

the difference) and then summarise over a local image region (block base motion and filter based motion). An emerging type of matching criteria summarises...

self-contained open-source SIFT implementation which does not require other libraries. A 3D SIFT implementation: detection and matching in volumetric images....

eyeglasses with matching polarization filters. Anaglyph 3D where one channel is overlaid with two color-coded layers. This left and right layer technique...

On maritime vessels, noise and vibration are not the same but they have the same origin and come in many forms. The methods to handle the related problems...

3D scanning is the process of analyzing a real-world object or environment to collect three dimensional data of its shape and possibly its appearance...

a brighter image. For 3D presentations, IMAX with Laser systems use dichroic filter glasses, similar to those used by Dolby 3D, as opposed to the linear...

Île-de-France, and the Ministry of Environment to monitor the environmental noise in Île-de-France. Its missions meet a regulatory requirement and come in three...

format, IBM format, or Token Ring format. Hot Standby Router Protocol MAC filtering Network management Sleep Proxy Service, which may spoof another device's...

also can be used for iterative methods. Iterative adaptive filtering algorithms use Kalman filter to estimate transformation from low-resolution frame to...

transform and F x {\displaystyle F_{x}} is the 2D convolution f ⊗ x {\displaystyle {\text{f}}\otimes {\text{x}}} with point spread function filter, F ˘ {\displaystyle...