Matches 1 - 50 out of 73 1 2 >


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US20120224639 METHOD FOR INTERPOLATING HALF PIXELS AND QUARTER PIXELS  
A method and system for interpolating video pixels is described, in which the values of a first quarter pixel, a half pixel and a second quarter pixel are calculated based on certain interpolation...
US20150172702 FRACTIONAL-PEL INTERPOLATION FILTER METHOD, FILTER DEVICE AND ELECTRONIC DEVICE USING THE SAME  
A fractional-pel interpolation filter method. The method adopts an 8-tap interpolation filter and a 6-tap interpolation filter, and includes: 1) applying an 8-tap interpolation filter to adjacent...
US20110142135 Adaptive Use of Quarter-Pel Motion Compensation  
A method of encoding a digital video sequence is provided that includes disabling quarter-pel motion compensation for a first sequence of blocks in the digital video sequence, computing an average...
US20130022109 VIDEO ENCODING METHOD, DECODING METHOD, AND APPARATUS  
According to one embodiment, a method can generate an interpolation image signal including the integer-pixel and interpolation pixel values, based on, if the interpolation pixel is not located at...
US20110075738 TRANSCODER FROM FIRST MPEG STREAM TO SECOND MPEG STREAM  
A system is configured to transcode a first MPEG stream to a second MPEG stream. The system includes a first MPEG decoder capable of decoding the first MPEG stream and a second MPEG encoder...
US20120147967 ADAPTIVE SUPPORT FOR INTERPOLATING VALUES OF SUB-PIXELS FOR VIDEO CODING  
This disclosure describes techniques for calculating values of sub-integer pixels applied by an encoder and a decoder to encode blocks of video data. In one example, a video encoder is configured...
US20090003452 WYNER-ZIV SUCCESSIVE REFINEMENT VIDEO COMPRESSION  
Improved methods, systems, and devices for Wyner-Ziv video compression are provided based on the disclosed successive resolution refinement techniques. The disclosed resolution refinement schemes...
US20080240249 Method of controlling complexity for video compressor  
A video compressor has a real-time compression with a constant frame rate. The complexity in the compression of each frame is controlled to be smaller than a maximum value according to power...
US20060109909 DECISION MECHANISM FOR PARTITION TYPES OF MACRO BLOCK  
A decision mechanism for partition types of a macro block is provided. First, a rough motion estimation is performed on a macro block, so as to obtain a rough related information corresponding to...
US20070217516 Uni-modal based fast half-pel and fast quarter-pel refinement for video encoding  
A method of half-pixel interpolation and quarter-pixel interpolation are adapted for reducing the impact of aliasing within motion estimation. To estimate a motion vector with quarter-pixel...
US20050111554 8x8 Transform and quantization  
Low complexity (16 bit arithmetic) video compression has 8×8 block with transforms using 8×8 integer matrices and quantization with look up table scalar plus constant right shift for all...
US20050094730 Wireless device having a distinct hardware video accelerator to support video compression and decompression  
A video processor within a wireless terminal, that includes a video interface that receives incoming video information and that provides outgoing video information, a processing module operably...
US20060120459 Method for coding vector refinement information required to use motion vectors in base layer pictures when encoding video signal and method for decoding video data using such coded vector refinement information  
A method for coding vector refinement information required to use motion vectors in base layer pictures when encoding a video signal and a method for decoding video data using the coded vector...
US20060133507 Picture information decoding method and picture information encoding method  
A picture information decoding method enables to switch a pixel precisions of a motion vector while compatibility with conventional standard is maintained and a delay occurred in parsing a picture...
US20060285597 Reusing interpolated values in advanced video encoders  
The fact that fractional-pixel points that are searched are close to each other, and hence the half-pixel and quarter-pixel interpolation of each point involves computing interpolations that have...
US20050265458 Image interpolation apparatus and methods that apply quarter pel interpolation to selected half pel interpolation results  
An image interpolation apparatus includes a half pel interpolation unit that is configured to perform half pel interpolation on input data to provide half pel interpolation results. A data...
US20080013632 INTEGER PIXEL MOTION ESTIMATION SYSTEM, MOTION ESTIMATION SYSTEM FOR QUARTER-PIXEL LUMINANCE, MOTION ESTIMATION SYSTEM FOR QUARTER-PIXEL CHROMINANCE, MOTION ESTIMATION SYSTEM FOR COMBINED LUMINANCE, MOTION ESTIMATION SYSTEM FOR COMBINED LUMANCE AND CHROMINANCE, AND MOTION ESTIMATION SYSTEM FOR QUARTER-PIXEL LUMINANCE AND CHROMINANCE  
A RAM_HIME used for integer pixel motion estimation by an IME stores integer pixel luminance data from a SDRAM while satisfying the conditions that improve efficiency in reading an extracted...
US20090097564 Matching-pixel Sub-sampling Motion Estimation Method for Video Compression  
Sub-sampling pattern design for motion estimation in video compression. A motion estimation method divides a first frame into a plurality of macroblocks, performs block matching for a current...
US20150245058 METHOD AND DEVICE FOR INTERPOLATING IMAGES BY USING A SMOOTHING INTERPOLATION FILTER  
Provided are a method of interpolating an image by determining interpolation filter coefficients, and an apparatus for performing the same. The method includes: differently selecting an...
US20150208086 METHOD AND APPARATUS FOR INTER-COMPONENT MOTION PREDICTION IN THREE-DIMENSIONAL VIDEO CODING  
Embodiments of the present invention identify a texture collocated block of a texture picture in the given view corresponding to a current depth block. A Merge candidate, or a motion vector...
US20050207663 Searching method and system for best matching motion vector  
The invention relates generally to compression of video data and specifically to lowering at least a cost of motion information while encoding a macroblock. According to one embodiment, the...
US20070217515 Method for determining a search pattern for motion estimation  
A method for determining a search pattern for use in fractional motion estimation for video compression includes selecting a search center within a current macroblock; selecting a plurality of...
US20070133687 Motion compensation method  
A motion compensation method for achieving the reduction of operation workload and the simplification of a hardware configuration includes: interpolation having (i) a first calculation step (S100)...
US20080187050 Frame interpolation apparatus and method for motion estimation through separation into static object and moving object  
Provided are frame interpolation apparatus and methods in which motion estimation is performed by separation into a static object and a moving object. The frame interpolation apparatus...
US20100014588 Speculative start point selection for motion estimation iterative search  
A speculative start point selection for motion estimation iterative search improves the efficiency and quality of the integer-pel motion estimation iterative search by speculatively selecting the...
US20060088104 Non-integer pixel sharing for video encoding  
This disclosure describes video encoding techniques and video encoding devices that implement such techniques. In one embodiment, this disclosure describes a video encoding device comprising a...
US20150229953 METHOD OF DECODING VIDEO DATA  
Provided is a method derives a reference picture index and a motion vector of a current prediction unit, generates a prediction block of the current prediction unit using the reference picture...
US20150229952 METHOD OF DECODING VIDEO DATA  
Provided is a method derives a reference picture index and a motion vector of a current prediction unit, generates a prediction block of the current prediction unit using the reference picture...
US20150229951 METHOD OF DECODING VIDEO DATA  
Provided is a method derives a reference picture index and a motion vector of a current prediction unit, generates a prediction block of the current prediction unit using the reference picture...
US20150229950 METHOD OF DECODING VIDEO DATA  
Provided is a method derives a reference picture index and a motion vector of a current prediction unit, generates a prediction block of the current prediction unit using the reference picture...
US20150156510 METHOD OF DECODING VIDEO DATA  
Provided is a method derives a reference picture index and a motion vector of a current prediction unit, generates a prediction block of the current prediction unit using the reference picture...
US20080253459 HIGH ACCURACY MOTION VECTORS FOR VIDEO CODING WITH LOW ENCODER AND DECODER COMPLEXITY  
Two-stage interpolation can be provided for frame prediction samples with quarter-pixel and finer accuracy. All samples of quarter-pixel and finer accuracy can use either half or...
US20080037647 Methods and Apparatus For Quarter-Pel Refinement In A SIMD Array Processor  
An apparatus and a method for quarter-pel motion compensated search are described in the context of an array processor with tightly coupled, multi-cycle hardware assist attached to each node. A...
US20060109910 System and method for sub-pixel interpolation in motion vector estimation  
The present invention provides an efficient sub-pixel interpolation technique for motion vector estimation during video coding. In one embodiment, this is accomplished by interpolating adjacent...
US20100020881 Motion vector detecting device, motion vector detecting method, image encoding device, and program  
A motion vector detecting device includes: a motion predicting and compensating circuit calculating cost values of a plurality of motion vectors, which is candidates of an optimal motion vector,...
US20080089419 Interpolation method for a motion compensated image and device for the implementation of said method  
The invention proposes a motion compensated video interpolation that is not sensitive to the errors in the motion estimation vectors. The invention proposes a motion compensated video...
US20130287114 FRACTIONAL INTERPOLATION FOR HARDWARE-ACCELERATED VIDEO DECODING  
Video decoding innovations for multithreading implementations and graphics processor unit (“GPU”) implementations are described. For example, for multithreaded decoding, a decoder uses innovations...
US20050232360 Motion estimation apparatus and method with optimal computational complexity  
Disclosed are a motion estimation (ME) apparatus and method using a fast search algorithm for a motion vector (MV) that can significantly reduce the number of computations by making use of the...
US20120281765 MOTION COMPENSATING APPARATUS  
Provided is a motion compensating apparatus that includes: a motion compensation position determining unit that determines, based on a motion vector, a position of pixels for which compensated...
US20070019738 METHOD AND APPARATUS FOR COST CALCULATION IN DECIMAL MOTION ESTIMATION  
A method and an apparatus for cost calculation in decimal motion estimation are provided. The method comprises the following steps. Firstly, perform interpolation on a current block to get an...
US20090010339 IMAGE COMPENSATION CIRCUIT, METHOD THEREOF, AND LCD DEVICE USING THE SAME  
Input image signals are spatially and temporally compensated. First, gray scales of a target pixel in a current frame and in a previous frame are compared to determine whether to spatially and...
US20080095240 Method for interpolating chrominance signal in video encoder and decoder  
Disclosed is a method for interpolating chrominance signals in a video encoder and a decoder. The method includes the steps of accessing a memory unit to load an integer pixel value with regard to...
US20060291563 Interpolation apparatus and method for motion vector compensation  
An interpolation method and apparatus for motion vector compensation are provided. The interpolation method includes calculating a horizontal sum of values of a plurality of half-pixels adjacent...
US20140010310 MOTION VECTOR DIFFERENCE CODING EXTENSION FOR ENHANCEMENT LAYER  
An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video...
US20130064297 ENCODING APPARATUS AND DECODING APPARATUS  
An encoding apparatus having a direct mode as a prediction mode, when a pixel with opposite parity from a top field to a bottom field, for example, is referred to for obtaining a reference vector...
US20060171464 Method and apparatus for motion estimation  
A method and apparatus for motion estimation in which the amount of computation can be reduced are provided. The method for motion estimation includes storing an interblock match difference...
US20050276330 Method and apparatus for sub-pixel motion estimation which reduces bit precision  
A method and apparatus are provided for sub-pixel motion estimation which performs sub-pixel motion estimation in which the precision of a difference between a pixel value of a block to be...
US20060188022 Motion estimation apparatus and method  
A motion estimation apparatus and method is disclosed. The apparatus includes a block error calculator to calculate a specified block error based on a candidate motion vector previously estimated...
US20050111555 System and method for estimating motion vector for transcoding digital video  
A system and method is disclosed for estimating a motion vector for transcoding digital video. The method comprises choosing a direction of an adjustment vector for estimation of a motion vector...
US20070009040 Moving picture coding apparatus  
While accuracy of motion compensated prediction is kept high, reduction in processing amount is made possible. When motion compensated prediction is performed on inputted image data by a motion...

Matches 1 - 50 out of 73 1 2 >