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| Number | Title | Issue Date |
| 7315661 | Directional interpolation method using DCT information and related device The invention provides a method for interpolating a pixel within an image. The image has a plurality of pixels arranged in a matrix format. The method includes detecting if there is an edge in a block of the image according to a Discrete Cosine Transform (DCT) data ... | 01/01/2008 |
| 7305034 | Rounding control for multi-stage interpolation Various techniques and tools for rounding control in multi-stage interpolation are described. For example, during motion estimation and compensation, a video encoder uses stage-alternating rounding control when computing pixel values in reference video frames by mul... | 12/04/2007 |
| 7302648 | Method and apparatus for resizing buffered windows Methods and apparatuses for resizing buffered windows. In one aspect of the invention, a method to resize a buffered window on a data processing system includes: determining an estimated size for a window which has a first pixel image of a first size buffered in a f... | 11/27/2007 |
| 7302015 | Motion estimation method for moving picture compression coding A motion estimation method for moving picture compression coding that finds a motion vector at a high speed without degrading compression rate and image quality that includes estimating an initial motion point; performing a Newton-Raphson Method (“NRM”) using a ... | 11/27/2007 |
| 7292283 | Apparatus and method for performing sub-pixel vector estimations using quadratic approximations To achieve the foregoing, and in accordance with the purpose of the present invention, an apparatus and method for generating refined sub-pixel vectors for motion estimation from vector correlation values and converged vector correlation values using quadratic appro... | 11/06/2007 |
| 7280599 | Method for sub-pixel value interpolation A method of interpolation in video coding in which an image comprising pixels arranged in rows and columns and represented by values having a specified dynamic range, the pixels in the rows residing at unit horizontal locations and the pixels in the columns residing... | 10/09/2007 |
| 7280598 | Method for vector prediction A method for prediction of the motion vector of a pixel block in a video picture that is to be coded. The actual motion vectors of two adjacent blocks close to the uppermost left corner of the block are selected as candidates for the prediction. One additional block... | 10/09/2007 |
| 7272184 | Programmable system for motion vector generation A system for generating motion vectors in a motion estimator is configured for co-operating with an engine for calculating estimation error for generating motion vectors, according to estimation errors and/or motion vectors previously generated. The system comprises... | 09/18/2007 |
| 7265791 | Method and apparatus for de-interlacing video signal A three-dimensional de-interlacing method and apparatus for converting an interlaced scan format image into a progressive scan format image by performing low pass filtering on respective predetermined pixels of a current frame and a previous frame and determining pi... | 09/04/2007 |
| 7262806 | System and method for aligned compression of interlaced video A method and system are disclosed for vertically phase shifting fields of at least one interlaced frame of video into at least two vertically aligned frames of video. The at least two vertically aligned frames of video are compressed, transmitted or stored, decompre... | 08/28/2007 |
| 7258748 | Method and solution for bakery pan deglazing and decarbonizing In a method for processing a baking pan, the baking pan is placed in a solution including: water, N-Methyl-2-Pyrrolidone, Ethoxylate of nonylphenol, Monoethanolamine, Triethanolamine and Potassium hydroxide. The solution is heated to a temperature in a predefined te... | 08/21/2007 |
| 7251278 | Procedure and system for performing motion estimation A method and system for performing motion estimation in video image compression is provided. In the method and system, an associative memory device is used in motion estimation, and the group of the image blocks to be processed is restricted on the basis of a mean e... | 07/31/2007 |
| 7236634 | Image encoding of moving pictures In an encoding method of moving pictures which generates a predictive picture for a current picture based on a reference picture and a motion vector, a macroblock is divided into subblocks. In each of the plurality of subblocks, an initial value of the motion vector... | 06/26/2007 |
| 7231090 | Method for performing motion estimation with Walsh-Hadamard transform (WHT) A method for performing a motion estimation combined with a Walsh-Hadamard transform algorithm. In image frame, which includes a pixel array to display an image object, the method includes fetching a current image pixel content C and a reference image pixel content ... | 06/12/2007 |
| 7224733 | Interpolation filtering method for accurate sub-pixel motion assessment To generate an improved image signal when estimating motion, a motion vector is first determined with pel accuracy, and a two-step interpolation filtering is subsequently carried out with sub-pel accuracy. The interpolation coefficients are selected with a view to r... | 05/29/2007 |
| 7212676 | Match MSB digital image compression Methods, apparatus and computer readable medium are described that compress and/or decompress a digital image in a lossless or a lossy manner. In some embodiments, a display controller may compress a digital image by generating a symbol for each pel of the digital i... | 05/01/2007 |
| 7206346 | Motion vector predictive encoding method, motion vector decoding method, predictive encoding apparatus and decoding apparatus, and storage media storing motion vector predictive encoding and decoding programs A motion vector predictive encoding method, a motion vector decoding method, a predictive encoding apparatus, a decoding apparatuses, and storage media storing motion vector predictive encoding and decoding programs are provided, thereby reducing the amount of gener... | 04/17/2007 |
| 7206452 | Data processing apparatus and method and recording medium JPEG encoded data are entropy-decoded to quantized DCT coefficients which are sent to a prediction tap extraction circuit (41) and to a class tap extraction circuit (42). The prediction tap extraction circuit (41) and the class tap extraction ci... | 04/17/2007 |
| 7203340 | Second order change detection in video Methods and devices for processing captured video frames to detect specific changes observable in video using three consecutive video frames. The images in the first video frame are compared with the second frame and the images of the second frame are compared with ... | 04/10/2007 |
| 7203238 | 3:2 Pull-down detection In one embodiment, a 3:2 pull-down detection component of a video encoder uses motion vectors to determine whether a repeated field exists in a video sequence. The 3:2 pull-down detection component uses field motion vectors determined by a motion estimator and compa... | 04/10/2007 |
| 7199799 | Interleaving of pixels for low power programmable processor A graphics processor includes an arithmetic logic unit (ALU) stage for processing pixel packets. Pixels are assigned as either even pixels or odd pixels. The pixel packets of odd and even pixels are interleaved to account for ALU latency. ... | 04/03/2007 |
| 7197076 | Method for locating partitions of a video image A method for locating partitions of a video image is provided. The method is used to simplify the process of obtaining the related information of neighboring partitions during the coding and decoding process for the video image. The method starts by mapping the stor... | 03/27/2007 |
| 7194034 | Method and device for detecting reliability of a field of movement vectors A method of detecting the reliability of a field of movement vectors of one image in a sequence of video images. The method includes a stage of calculating a stability parameter, Det_Stab(t), for the field. The parameter is based on a comparison (4), over two... | 03/20/2007 |
| 7194128 | Data compression using principal components transformation A method for compressing and reconstructing a color image sequence using principal components transformation. Color image information for individual images from a color image sequence is received, and the color image information is converted into intrinsic color inf... | 03/20/2007 |
| 7180549 | Apparatus and method for video data processing in digital video decoding An apparatus and method for video data processing in digital video decoding, such as digital video disk (DVD) decoding, which produces new video data according to main picture data, sub-picture unit (SPU) data, and an aspect ratio. The apparatus includes a sub-pictu... | 02/20/2007 |
| 7181070 | Methods and apparatus for multiple stage video decoding Techniques for performing the processing of blocks of video in multiple stages. Each stage is executed for blocks of data in the frame that need to go through that stage, based on the coding type, before moving to the next stage. This order of execution allows block... | 02/20/2007 |
| 7177359 | Method and apparatus to encode a moving image with fixed computational complexity A method, a computer readable storage, and an apparatus estimate a motion of a moving image and comprising a process of adjusting a number of search points per frame by adaptively updating a threshold value per frame to regularly maintain fixed a computational compl... | 02/13/2007 |
| 7177445 | Discriminating between changes in lighting and movement of objects in a series of images using different methods depending on optically detectable surface characteristics In a motion detection system, filters are applied to a series of digital images in order to determine whether changes in the properties of pixels between the current image and a reference model are due to motion of objects or to changes in lighting. The filter may b... | 02/13/2007 |
| 7173968 | Method for coding and decoding a digitalized image A method and an arrangement in which a digitized image with picture elements is allocated to a number of image segments. The image segments, preferably image blocks, are spread such that interspaces remain between the image blocks to be encoded. The interspaces are ... | 02/06/2007 |
| 7149251 | Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding Apparatus, and an associated method, motion compensates coding of video sequences. Motion compensated prediction is utilized in the representation of motion vector fields. Reduced numbers of bits are required to represent the motion vector field while maintaining a ... | 12/12/2006 |
| 7142223 | Mixed 2D and 3D de-interlacer A de-interlacing methodology generates frames from interlaced video signals by incorporating data from multiple fields into an interpolation-based de-interlacing process. Pixels directly above and below a blank pixel location and pixels immediately before and after ... | 11/28/2006 |
| 7133454 | Video coding method and apparatus for calculating motion vectors of the vertices of a patch of an image and transmitting information of horizontal and vertical components of the motion vectors A method and apparatus for coding an image includes calculation of motion vectors of vertices of a patch in an image being encoded and transmitting information of horizontal and vertical components of the motion vectors of the vertices and information specifying tha... | 11/07/2006 |
| 7116372 | Method and apparatus for deinterlacing An apparatus and method for improving the VT filter performance for moving pictures by deinterlacing. A VT filter unit receives data of a deinterlacing target field (field #n) and data of forward and backward fields of the target field (fields #n−1 and #n+1). A di... | 10/03/2006 |
| 7113543 | Video encoding Motion compensation as for video compression with motion estimation with either frame mode or field mode by initial prediction of motion mode and when prediction error is small enough truncate motion estimation search. ... | 09/26/2006 |
| 7110604 | Processing of digital images Methods and apparatuses for identifying objects in a digital image include a thresholding unit and a threshold calculation unit. The thresholding unit is designed to receive the digital image and compare the luminance values of the digital image with threshold value... | 09/19/2006 |
| 7110456 | Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding system A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for calculating a position for a sample image portion using an encoded bitstre... | 09/19/2006 |
| 7099390 | Prediction apparatus, encoding apparatus, inverse prediction apparatus, decoding apparatus, and computing apparatus A candidate prediction block storage unit stores candidate prediction pixel data {“a” to “p”} (a four-by-four area) and neighboring pixel data {“A” to “D”}. A neighboring pixel series-generating unit in receipt of the neighboring pixel data {“A” ... | 08/29/2006 |
| 7098958 | Method and apparatus for motion adaptive deinterlacing An adaptive filter calculates a target pixel from an interlaced video signal. The video signal comprises a plurality of frames, each of which comprises an even and an odd field. The filter comprises a quantized motion calculator and a filter selector. The quantized ... | 08/29/2006 |
| 7099391 | Image capturing device An image capturing device for capturing an image by an imaging device comprises first compression means for compressing and coding a captured image as a moving image, extracting means for extracting object information relating to a desired object from moving image i... | 08/29/2006 |
| 7088775 | Apparatus and method for converting image data An image data converting apparatus comprising an MPEG2-image data decoding section 19, a scan-converting section 20, an MPEG4-image encoding section 21, and a picture-type determining section 18. The MPEG2-image data decoding section 1... | 08/08/2006 |
