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US20120281928 Method for Coding Pictures Using Hierarchical Transform Units  
A bitstream includes coded pictures, and split-flags for generating a transform tree. The bit stream is a partitioning of coding units (CUs) into Prediction Units (PUs). The transform tree is...
US20120082216 CODING AND DECODING UTILIZING PICTURE BOUNDARY PADDING IN FLEXIBLE PARTITIONING  
There is a coding including-preparing coding units based on source pictures. The coding units are associated with largest coding tree units (LCTUs) which are polygons of source pictures. A tree...
US20060210185 Methods and systems for picture up-sampling  
Embodiments of the present invention comprise systems and methods for picture up-sampling using direct interpolation. Some embodiments of the present invention provide an up-sampling procedure...
US20070031052 Morphological significance map coding using joint spatio-temporal prediction for 3-d overcomplete wavelet video coding framework  
A system and method is provided for digitally encoding video signals within an overcomplete wavelet video coder. A video coding algorithm unit locates significant wavelet coefficients in a first...
US20110222791 Post-Beamformer Ultrasound Compression  
Embodiments of the invention compress ultrasound RF data after the receiver beamformer. An efficient compression algorithm is disclosed that incorporates the use of the Discrete Cosine Transform...
US20120008870 IMAGE COMPRESSION UTILIZING RING-TREE ENTROPY CODING AND DIRECTIONAL TRANSFORMS  
Image encoding for changing representation of zero coefficient clustering and for utilizing a novel directional transform for exploiting the directional properties of image energy. The apparatus...
US20070201755 Interpolation techniques in wavelet transform multimedia coding  
This disclosure describes frame interpolation techniques within a wavelet transform coding scheme. The frame interpolation may be used to generate one or more interpolated frames between two...
US20080175500 SYSTEM OF MASTER RECONSTRUCTION SCHEMES FOR PYRAMID DECOMPOSITION  
A reconstruction system for digital signals processed by the laplacian pyramid including a master lifting-based parameterization reconstruction scheme. The system also involves the design of...
US20070065034 Wavelet matching pursuits coding and decoding  
Embodiments related to coding and/or decoding data, including for example image data, using wavelet transform and matching pursuits are disclosed.
US20120093425 ENTROPY ENCODING/DECODING METHOD AND APPARATUS FOR HIERARCHICAL IMAGE PROCESSING AND SYMBOL ENCODING/DECODING APPARATUS FOR THE SAME  
Entropy decoding, after encoding, includes performing symbol decoding on a bitstream of a received residual picture in units of two, three, or four symbols according to a context model which is...
US20080193027 Method For Locally Decoding a Bitstream of Wavelet Coefficients  
A method is provided for decoding a data stream representing an object with at least three dimensions, associated with a basic mesh including of an assembly of facets defined by an assembly of...
US20070086666 Compatible interlaced sdtv and progressive hdtv  
A method and an apparatus for efficiently performing spatial scalable compression of video information captured in a plurality of frames including an encoder for encoding and outputting the...
US20060153465 In-band wavelet video coding with spatial scalability  
Exemplary improvements for in-band wavelet video coding with spatial scalability are described. In one implementation an encoder uses leaky prediction to balance a trade-off between reducing...
US20070223825 METHODS AND SYSTEMS FOR SIGNIFICANCE COEFFICIENT CODING IN VIDEO COMPRESSION  
A method for decoding significance coefficients in an encoded video sequence is described. An encoded video bitstream is received. Codebook table information is retrieved from the bitstream....
US20070160300 Spatial scalable compression scheme with a dead zone  
An apparatus is disclosed for performing spatial scalable compression of video information captured in a plurality of frames including an encoder for encoding and outputting the captured video...
US20060165304 Multilayer video encoding/decoding method using residual re-estimation and apparatus using the same  
A multilayer encoding/decoding method using residual re-estimation and an apparatus using the same are disclosed. The multilayer video encoding method includes (a) encoding a first residual image...
US20070165959 2-Dimensional signal encoding/decoding method and device  
An image is divided into subbands by wavelet transform using the Haar function as the base, and the lowest-frequency LL subband is entirely encoded. LH, HL, and HH subband coefficients which...
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...
US20070223826 FINE GRAINED SCALABILITY ORDERING FOR SCALABLE VIDEO CODING  
Methods, devices, and computer code products for encoding and decoding a video signal involving encoding blocks of the video signal by scan position within a coding cycle in decreasing order to...
US20050078873 Movement detection and estimation in wavelet compressed video  
A method and system for moving object and region detection in video compressed using a wavelet transform is disclosed. A plurality of images are inputted to the system in wavelet compressed format...
US20080267518 Using Geometric Wavelets Based on Active Contours for Signal Processing  
Certain embodiments provide systems and methods for using geometric wavelets based on active contours for signal processing. Certain embodiments may allow image processing. A system includes...
US20060291735 Extended haar transform  
A shared lossless Haar transform and an appended Haar transform are combined to form a lossless extended Haar transform in a pipeline architecture for providing fast lossless compressed data that...
US20070160302 Method of encoding flag, method of decoding flag, and apparatus thereof  
A method of encoding flags, a method of decoding flags and an apparatus thereof, in which flag encoding and decoding can be efficiently performed by using spatial correlation between various flags...
US20080013846 WAVELET TRANSFORMATION DEVICE AND METHOD, WAVELET INVERSE TRANSFORMATION DEVICE AND METHOD, PROGRAM, AND RECORDING MEDIUM  
A wavelet transformation device for performing wavelet transformation at a plurality of levels as to image signals, comprises: a first buffer for storing, independently for each of the levels, a...
US20090196517 METHOD AND APPARATUS FOR REDUCED RESOLUTION PARTITIONING  
There are provided methods and apparatus for reduced resolution partitioning. An apparatus includes an encoder for encoding video data using adaptive tree-based frame partitioning, wherein...
US20080008395 Image compression based on union of DCT and wavelet transform  
A union of DCT (discrete cosine transform) and wavelet transform can generate a much sparser representation of the digital image signal than either of them alone. After the block-based DCT, the...
US20050074178 Method for encoding a video data stream and video encoding device  
A method and appertaining system operate on digital images that are grouped into a plurality of image groups. Each digital image is subjected to a two-dimensional intra-image wavelet...
US20050152611 Video/image coding method and system enabling region-of-interest  
A method and apparatus for compressing a video/image using a region-of-interest (ROI), which allows only a particular region to be emphasized within a single frame during wavelet-based scalable...
US20070237410 Fast approximate wavelet tracking on streams  
The first fast solution to the problem of tracking wavelet representations of one-dimensional and multi-dimensional data streams based on a stream synopsis, the Group-Count Sketch (GCS) is...
US20060165302 Method of multi-layer based scalable video encoding and decoding and apparatus for the same  
A method of multi-layer based scalable video encoding and decoding and an apparatus for the same are disclosed. The encoding method includes the steps of estimating motion between a base layer...
US20050129319 Fast discrete wavelet encoding apparatus and method for encoding a still image at a high speed based on energy of each block  
A fast discrete wavelet encoding apparatus and method for encoding and decoding a still image are provided. In the fast discrete wavelet encoding apparatus, an energy calculator calculates the...
US20060159359 Fine granularity scalable video encoding and decoding method and apparatus capable of controlling deblocking  
Disclosed herein is a Fine Granularity Scalability (FGS)-based video encoding and decoding method and apparatus capable of controlling deblocking. In the video decoding method according to the...
US20050141774 Image compression utilizing discarding of bitplanes  
In compressions of digital images, image types are defined, each having a preassigned quantization step-size set. The digital image is decomposed to produce a plurality of subbands. Coefficients...
US20050265633 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...
US20070014436 Embroidery data processing device and computer program product  
The disclosure presents an embroidery data processing device and a computer program product capable of creating a single unit of tree structure vector data by coupling plural pieces of independent...
US20100061585 BLIND WAVELET-BASED WATERMARKING METHOD  
A blind wavelet-based watermarking method is provided to extract one or more embedded watermarks form one or more high subbands of a watermarked image generated by 1-level or 2 level wavelet...
US20140307976 LOW COMPLEXITY AND MEMORY EFFICIENT IMAGE CODEC  
Systems, devices, and methods for encoding a plurality of images by an encoder where the encoder determines a set of subbands associated with an input image, determines a set of wavelet...
US20050069212 Video encoding and decoding method and device  
The invention relates to an encoding method for the compression of a video sequence divided into groups of frames (GOFs), each of which is decomposed by means of a three-dimensional (3D) wavelet...
US20090317010 Multiple Resolution Image Storage  
In accordance with one or more aspects, multiple folders are generated each corresponding to one of multiple levels of an image pyramid, and each of the multiple levels including one or more...
US20050190980 Lossy method for compressing images and video  
A recursive scheme is employed to compress image data, wherein areas of a pixel grid corresponding to the image data are divided into increasingly smaller triangles based on the level of detail...
US20050058358 Method for planar processing of wavelet zero-tree data  
This invention is a method of embedded zero-tree wavelet encoding that operates on planarized wavelet coefficient data. Following wavelet transformation of image data, the wavelet coefficients are...
US20050254718 Web-oriented image database building/control method  
Enlarged image display by Jpeg is possible by a browser, compared to the Jpeg image processing. It is, however, difficult for the user to actually create an image of a scale desired by the user...
US20060269158 REMOTE SENSING IMAGERY ACCURACY ANALYSIS METHOD AND APPARATUS  
A method of enhancing a resolution of an image by fusing images includes applying a principal component analysis to a multispectral image to obtain a plurality of principal components, and...
US20050169549 Method and apparatus for scalable video coding and decoding  
Provided are a method and apparatus for scalable video coding and decoding. The scalable video coding method performs video coding separately at each resolution, and coding results are...
US20060088224 Method for coding and decoding moving image  
Provided is a method of coding and decoding a moving image, which can optimize the coding rate and reduce the time required for decoding the first image frame during an operation of displaying the...
US20090304291 REAL-TIME COMPRESSION AND DECOMPRESSION OF WAVELET-COMPRESSED IMAGES  
Arrangements are provided for real-time variable compression and decompression schemes. In one arrangement, compressed images are stored as collections of tiled line textures representing...
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...
US20060165303 Video coding method and apparatus for efficiently predicting unsynchronized frame  
A multi-layered video encoding method is provided wherein motion estimation is performed by using one of two frames of a lower layer temporally closest to an unsynchronized frame of a current...
US20050213831 Method and system for encoding fractional bitplanes  
In a layered encoding system having at least one layer comprising a plurality of sub-layers (272, 274, 276), a method is disclosed herein for encoding a video image (200) composed of a plurality...
US20090103821 FREQUENCY CONVERTER AND FREQUENCY INVERTER  
On the first hierarchical layer, the input image adjuster selects an overlap processing area from a frequency-unconverted image. On the first hierarchical layer, the overlap processor performs...

Matches 1 - 50 out of 103 1 2 3 >