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US20140169693 Streaming Wavelet Transform  
In an embodiment, a compression unit is provided which may perform compression of a pixel stream. Similarly, a decompression unit may be provided which may decompress the compressed pixel stream....
US20080170620 VIDEO ENCODING SYSTEM  
A video encoding system is provided including analyzing a picture; providing transforms; selecting a transform from the transforms by comparing a luminance characteristic of the picture with a...
US20100092098 REDUCED DC GAIN MISMATCH AND DC LEAKAGE IN OVERLAP TRANSFORM PROCESSING  
In certain embodiments, overlap operators are applied during encoding and/or decoding of digital media, where the overlap operators have reduced DC gain mismatch and/or DC leakage between interior...
US20110293196 PICTURE ENCODING AND DECODING  
Video is encoded by applying a vertically and horizontally separable transform to provide a block of transform coefficients; and quantising the transform coefficients. Prior to quantisation, a...
US20110150352 VARIABLE LENGTH CODING FOR CLUSTERED TRANSFORM COEFFICIENTS IN VIDEO COMPRESSION  
Coding quantized transform coefficients as occur in image compression combines a position identifying method to identify the relative position of clusters of consecutive non-zero-valued...
US20130129244 Method for coding of stereoscopic depth  
A method for coding a stereoscopic depth. The method includes encoding a signal varied in a non-linear relation to the stereoscopic depth so as to obtain a transformed signal, and decoding the...
US20090196518 Spatial domain video enhancement/scaling system and method  
A method of spatial domain video enhancement/up-scaling including transforming the video input from the temporal domain to a K×K matrix of spatial domain coefficients; multiplying each spatial...
US20150093037 DYNAMIC GENERATION OF A QUANTIZATION MATRIX FOR COMPRESSION OF A DIGITAL OBJECT  
Some aspects of the disclosure relate to a compression technique that can permit determining dynamically a satisfactory quantization matrix based at least on properties intrinsic to a digital...
US20090297054 REDUCING DC LEAKAGE IN HD PHOTO TRANSFORM  
In certain embodiments, to eliminate DC leakage into surrounding AC values, scaling stage within a photo overlap transform operator is modified such that the off-diagonal elements of the...
US20060177142 H.264 quantization  
Low complexity (16 bit arithmetic) H.264 video compression replaces a single quantization table for all quantization parameters with multiple quantization tables and thereby equalizes quantization...
US20070053603 Low complexity bases matching pursuits data coding and decoding  
Embodiments related to coding data using a transform, and matching pursuits utilizing a relatively low complexity dictionary are disclosed.
US20110129163 Hadamard Transform-Based Image Compression Circuit and Method Thereof  
A Hadamard transform-based image compression method includes performing a Hadamard transform on 2k pixel values according to a product of a 2k×2k stage Hadamard matrix and a 2k×2k adjustment...
US20110184934 WAVELET COMPRESSION WITH BOOTSTRAP SAMPLING  
A method for compressing an initial dataset may be implemented on a data processing system. The method may include generating a group of bootstrap samples of wavelet coefficients from the initial...
US20110243471 METHOD AND APPARATUS FOR PERFORMING INTERPOLATION BASED ON TRANSFORM AND INVERSE TRANSFORM  
Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values...
US20140348438 SYSTEM AND METHOD HAVING TRANSPARENT COMPOSITE MODEL FOR TRANSFORM COEFFICIENTS  
To better handle the flat tail phenomenon commonly seen in transform coefficients such as DCT coefficients, a system and method having a model dubbed a transparent composite model (TCM) are...
US20100272325 Method for Transforming a Feature Vector  
The present invention relates to a method for transforming a feature vector comprising a first and a second feature represented by a first and a second feature value, respectively, into a feature...
US20140328547 ANONYMIZATION OF FACIAL EXPRESSIONS  
A method facilitates training of an automatic facial expression recognition system through distributed anonymization of facial images, thereby allowing people to submit their own facial images...
US20120121200 Symmetric and Inverse-Consistent Deformable Registration  
A method for symmetric and inverse-consistent registration of a pair of digital images includes calculating a first update of a forward transformation of a first digital image to a second digital...
US20070263938 Visual entropy gain for wavelet image coding  
Provided is a method and apparatus for coding a wavelet transformed image in consideration of the human visual system (HVS) in frequency and spatial domains. A visual weight is generated by...
US20130272621 METHODS FOR SEGMENTING AND ENCODING AN IMAGE, AND CORRESPONDING DEVICES  
A frame of pixels is segmented into a plurality of blocks each having a block type by a method including the steps of: a) performing an initial segmentation of the frame into a set of initial...
US20070025631 Adaptive variable block transform system, medium, and method  
A variable block transform system, medium, and a system, medium, and method for video encoding/decoding using the variable block transform. The system includes a transform block size determination...
US20050135692 Zero coding  
Embodiments of the invention provide a method and apparatus for zero coding to provide an instruction to generate context values for a selected coefficient bit. In particular, horizontal, vertical...
US20060153466 System and method for video processing using overcomplete wavelet coding and circular prediction mapping  
A system, method, and computer program product for fractal video coding, based on the circular prediction mapping (CPM) in overcomplete wavelet domain. According to the disclosed process, each...
US20060215922 Computation of intrinsic perceptual saliency in visual environments, and applications  
Detection of image salience in a visual display of an image. The image is analyzed at multiple spatial scales and over multiple feature channels to determine the likely salience of different...
US20130129246 Memory Compression Technique with Low Latency per Pixel  
In an embodiment, a compression unit is provided which may perform compression of images with low latency and relatively little hardware. Similarly, a decompression unit may be provided which may...
US20120013758 Memory Compression Technique with Low Latency per Pixel  
In an embodiment, a compression unit is provided which may perform compression of images with low latency and relatively little hardware. Similarly, a decompression unit may be provided which may...
US20130343667 IMAGE CODING APPARATUS AND IMAGE CODING METHOD  
When performing pipeline processes by a prediction method determination unit, prediction coding unit, and entropy coding unit, the size of a block of an integer conversion unit (transform unit:...
US20090279797 ENTROPY ENCODING AND DECODING METHOD AND APPARATUS USING LEAST SIGNIFICANT BIT  
Provided are entropy encoding and decoding methods. The entropy encoding method includes receiving residual coefficients obtained by frequency converting a residual image, determining a first bit...
US20080219579 Methods and Apparatus for Compressed Imaging Using Modulation in Pupil Plane  
Methods and apparatus are provided for compressed imaging by performing modulation in a pupil plane. Image information is acquired by modulating an incident light field using a waveplate having a...
US20060120558 System and method for lossless data hiding using the integer wavelet transform  
A system and method are disclosed which may include subjecting an original, pixel domain image to an Integer Wavelet Transform (IWT) to obtain a first matrix of IWT coefficients; multiplying...
US20080112632 Lossless encoding and decoding of digital data  
The disclosure relates to encoding and decoding of digital data, and in particular to lossless arithmetic encoding and decoding of digital data representing audio, image or video data. A...
US20080075377 Fast lapped image transforms using lifting steps  
This invention introduces a class of multi-band linear phase lapped biorthogonal transforms with fast, VLSI-friendly implementations via lifting steps called the LiftLT. The transform is based on...
US20090304297 IMAGE-GUIDED ABSTRACTION OF BUILDING FACADES  
To reduce the amount of storage space and computing power required to render image data, particularly building image data, primary and secondary colors may be extracted from the image data. The...
US20090010558 SYSTEMS AND METHODS FOR COMPUTER VISION USING CURVELETS  
Certain embodiments of the present invention provide a system for computer vision including a plurality of images, a signature processor adapted to generate a signature based at least in part on a...
US20080260274 LOCAL IMAGE DESCRIPTORS  
A local image descriptor generation technique that produces a descriptor for an image patch is presented. The technique generally involves smoothing the pixels of the image patch, followed by...
US20140112593 METHOD AND APPARATUS FOR OBTAINING SIZE OF TRANSFORM BLOCK  
The present disclosure provides a method for obtaining a size of a transform block, where the method includes: obtaining a dividing manner of an image block; and obtaining size information of a...
US20080159642 Method for Obtaining a Phase Image from an Intensity Image  
A method of reconstructing a phase of a radiation wave field including determining a representative measure of an intensity variation of the radiation wave field on a selected surface extending...
US20060262994 Continuous extension of discrete transform for data processing  
A method of interpolating images using continuous extension functions of inverse discrete transforms is described.
US20050053302 Interlace frame lapped transform  
A video encoder/decoder implements a lapped transform by applying an overlap filter in the spatial or transform domains to transform blocks. For interlace frames whose alternating scan lines are...
US20120251013 Method for Compressing Textured Images  
A method compresses an image partitioned into blocks of pixels, for each block the method converts the block to a 2D matrix. The matrix is decomposing into a column matrix and a row matrix,...
US20080069459 Estimation of image motion, luminance variations and time-varying image aberrations  
A method is disclosed to jointly estimate genuine image motion, luminance variations, and time-varying image aberrations. The method takes into account in a natural way the dependence of image...
US20090141995 System and Method for Fixed Point Continuation for Total Variation Based Compressed Sensing Imaging  
A method of compressed sensing imaging includes acquiring a sparse digital image b, said image comprising a plurality of intensities corresponding to an I-dimensional grid of points, initializing...
US20080159637 Deblocking filter hardware accelerator with interlace frame support  
According to some embodiments, systems, methods, and apparatus are provided to load video data into a hardware accelerator that is not adapted to receive interlace frames, wherein the video data...
US20050111746 Progressive medical image volume navigation  
A method of processing medical image data includes receiving data indicative of a group of consecutive cross sectional images of a three dimensional volume being imaged. The group of consecutive...
US20120288210 TEXTURE-PATTERN-ADAPTIVE PARTITIONED BLOCK TRANSFORM  
The invention is related to encoding an image block of an image using a partitioned block transform. The inventors recognized that applying a texture-pattern associated invertible mapping to the...
US20090310878 DECODING APPARATUS AND CONTROL METHOD THEREOF  
A decoding apparatus for decoding an encoded image signal and its control method. The decoding apparatus decodes the encoded image signal and inverse-quantizes decoded information. The apparatus...
US20090279804 Embedded High Frequency Image Details  
A system, method, and process for embedding low frequency image details and high frequency image details into a final digital image file. A digital image file is stored with embedded low and high...
US20100027903 IMAGE SIGNAL ENCODING METHOD AND DECODING METHOD, INFORMATION SOURCE ENCODING METHOD AND DECODING METHOD, APPARATUSES THEREFOR, PROGRAMS THEREFOR, AND STORAGE MEDIA WHICH STORE THE PROGRAMS  
An information source encoding method for encoding a Gaussian integer signal includes the steps of: inputting a signal value sequence of a Gaussian integer signal as an encoding target;...
US20080267519 Method for Identifying Images After Cropping  
Images within an image repository related to a selected image may be located despite cropping, rotating, and/or the application of a variety of other distortions to either the selected image...
US20070239813 METHOD AND SYSTEM OF UTILIZING A CONTEXT VECTOR AND METHOD AND SYSTEM OF UTILIZING A CONTEXT VECTOR AND DATABASE FOR LOCATION APPLICATIONS  
A system (100) and method (300) of using a context vector and database (202) for location applications can include a transceiver (104), a plurality of environmental sensors (114, 116, 118, 120,...

Matches 1 - 50 out of 160 1 2 3 4 >