Class 382/265 - Recursive filter

Subclass of Class 382 - Image analysis
Definition: Subject matter in which the filter is repeatedly applied
No. of applications: 22
Last issue date: 06/30/2011

Application No.	Application Title	Issue Date
20110158550	INFORMATION PROCESSING APPARATUS, PROCESSING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM An information processing apparatus comprises: a spatial filtering unit configured to perform spatial filtering in a frequency range based on a spatial frequency of an object for image data of a current frame; and a recursive filtering unit configured to perform recursi...	06/30/2011
20100189306	LANE MARKER RECOGNITION APPARATUS AND LANE MARKER RECOGNITION METHOD USED BY SAID APPARATUS A lane marker recognition apparatus which recognizes a lane marker based on a captured image of a road surface in the direction in which a vehicle is traveling, includes recognizing means for recognizing at least one left lane marker and at least one right lane marker c...	07/29/2010
20100142837	INFORMATION PROCESSING APPARATUS AND METHOD Analysis filter processing is recursively repeated on horizontal and vertical low frequency component coefficients obtained as a result of the analysis filter processing, until a predetermined decomposition level is reached. Coefficients obtained during a process of com...	06/10/2010
20100061651	METHOD OF RESTORING DEGRADED IMAGE, APPARATUS FOR RESTORING DEGRADED IMAGE, AND COMPUTER PROGRAM PRODUCT A degraded-image restoration method includes inputting a degraded image degraded by a predetermined degradation process; reading from a storage unit a filter coefficient in a filtering process of restoring the degraded image, in which an iteration formula for minimizing...	03/11/2010
20100054564	Reconstructing a Tomographic Image Tomographically reconstructing a 3D image object corresponding to a data set includes for each step in a series of iteration steps, determining an updated object by performing a combined operation, which includes performing an update operation for updating an input obje...	03/04/2010
20090279806	IMAGE QUALITY IMPROVING APPARATUS AND IMAGE QUALITY IMPROVING METHOD Unnecessary flare correction at the boundary between a blanking area and video signal area is suppressed. An image quality improving apparatus includes 2-dimensional low-pass filter circuit 2 that extracts low-frequency components from an input video signal; subt...	11/12/2009
20090110321	Determining a Pixon Map for Image Reconstruction Determining a pixon map for pixon smoothing of an object based on a data set includes receiving the data set and an input object associated to the data set. Determining a pixon map further includes determining, in a series of steps, statistical objects for a set of pixo...	04/30/2009
20080037892	Image Transform Apparatus and Image Transform Program It is an object of the present invention to provide an image transform apparatus and an image transform program which can reduce a computation load for transforming a luminance image to a brightness image. The present invention attains the object by performing wavelet r...	02/14/2008
20080002903	Recursive filter system for a video signal A recursive filter system 10 for a video image includes a memory 14 to store a first image of stored picture elements S(x,y). Weighted values W(x,y) of luminance and chrominance of a stored picture element S(x,y) are obtained by summing weighted values B(x...	01/03/2008
20070116373	Multi-resolution adaptive filtering Systems and methods which analyze an image and extract features of the image therefrom for use in filtering are shown. Based on the features and structures, embodiments determine how to filter at different orientations and with different filter configurations. Filters u...	05/24/2007
20070116374	Adaptive multistage wiener filter A computationally efficient, adaptive multistage Wiener filter employs two modules, a linear filter module that operates at the input data rate and an update module that operates at a plurality of rates but performs many calculations at only the update rate. This filter...	05/24/2007
20070071354	Medical imaging system with temporal filter The invention relates to an image processing system for reduction of the noise and enhancement of edges in images of a sequence, comprising means of decomposition of spatial image signal yielding slices of different content; means of temporal filtering for differently f...	03/29/2007
20070058883	IMAGE PROCESSING METHOD AND X-RAY CT SYSTEM An object of the present invention is to provide an image processing method for reducing noises without causing a side effect and an X-ray CT system that performs the image processing. An input image is wavelet-transformed using a gradient form. Resultant wavelet vector...	03/15/2007
20070031058	Method and system for blind reconstruction of multi-frame image data The present invention relates to a method for blind reconstruction of multi-frame image data. Multi-frame image data corresponding to at least two image frames are received. Using a filter function the image data corresponding to each of the at least two image frames ar...	02/08/2007
20070009176	Multi-resolution processing of digital signals Representations of an input signal at different lower resolutions are obtained, where n denotes a level of resolution, and where 0≦n≦N. Level n=N corresponds to the representation having the lowest resolution, and level n=0 corresponds to the input signal. The resol...	01/11/2007
20060285767	Enhancing video sharpness and contrast by luminance and chrominance transient improvement An apparatus, system, method, and article for enhancing video sharpness are described. The apparatus may include a media processing node to enhance sharpness of an input image. The media processing node may include a wavelet decomposition module to perform wavelet decom...	12/21/2006
20060109383	Video processing A video noise reducer divides a signal into spatial frequency bands and derives both recursively and non-recursively filtered signals for each band. Both signals are processed non-linearly. These signals are combined in ways that vary between the bands to provide a nois...	05/25/2006
20060098892	Image processing device An edge preservation type of recursive filter 12 outputs an unsharpened image (i.e., low-frequency components) which is smoothed while preserving an edge of an input image in at least one direction (e.g., a vertical direction of the image). The low-frequency comp...	05/11/2006
20060072845	Method of processing an input image by means of multi-resolution The invention relates to a method of multi-resolution with gradient-adaptive filtering (MRGAF) of X-ray images in real time. For an image strip of 2K adjacent rows, a resolution into a Laplacian pyramid (L0, . . . L3) and a Gaussian pyramid (G0, . ....	04/06/2006
20050265633	Low latency pyramid processor for image processing systems A video processor that uses a low latency pyramid processing technique for fusing images from multiple sensors. The imagery from multiple sensors is enhanced, warped into alignment, and then fused with one another in a manner that provides the fusing to occur within a s...	12/01/2005
20050265629	Signal processing method and system for noise removal and signal extraction A signal processing method and system combining smooth level wavelet pre-processing together with artificial neural networks all in the wavelet domain for signal denoising and extraction. Upon receiving a signal corrupted with noise, an n-level decomposition of the sign...	12/01/2005
20050117814	Noise filtering in images A temporal recursive filter unit (100,200,300,400) for noise filtering of a series of input images resulting in a series of output images comprises: means (102) for determining a value of a weighing factor, on basis of a difference between a first value of...	06/02/2005

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Class 382/265 - Recursive filter