|
Match
|
Document |
Document Title |
|
|
7327397 |
Image processing with pixel interpolation
The present invention provides an image signal processing apparatus and a method thereof which shifts positions of each detected pixel in image signals generated by performing double-speed...
|
|
|
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...
|
|
|
7292635 |
Interframe wavelet video coding method
An interframe wavelet video coding (IWVC) method by which an average temporal distance (ATD) is minimized is provided. The IWVC method comprises receiving a group-of-frames and decomposing the...
|
|
|
7289157 |
Method for detecting saturation of a motion vector field
The process is characterized in that it performs:
counting of the number of motion vectors, at least one component of which is greater than a predetermined value less than the maximum value,...
|
|
|
7277132 |
Method for motion vector de-interlacing
A method for motion vector de-interlacing decodes macro blocks in a picture, calculates motion vectors of the each MB, produces de-interlacing flag according to the threshold, realizes a Temporal...
|
|
|
7274408 |
[Method of motion detection for 3D comb filter video decoder]
The invention is directed to a method of 3-dimensional (3D) comb filter video decoder. The composite video signal is sampled to obtain multiple sampling data F m P x,y , which represents the y th ...
|
|
|
7266610 |
Picture distribution system and method, picture distribution apparatus and a method therefor, picture receiving apparatus and a method therefore, and recording medium and program used therewith
A picture transmitting apparatus transmits, to a picture receiving apparatus, a picture as a predetermined area of an omnidirectional picture. The picture receiving apparatus displays a portion of...
|
|
|
7263128 |
Triple-buffering method for overlapped motion compensation in a video decoder
A method of improving performance within video decoders subject to the execution of overlapped motion compensation. The method utilizes a triple-buffering approach to achieve rapid data transfers...
|
|
|
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...
|
|
|
7251279 |
Apparatus of motion estimation and mode decision and method thereof
An apparatus and method of motion estimation and mode decision includes a candidate vector group generation unit generating a candidate vector group including a motion vector of an adjacent image...
|
|
|
7248286 |
Apparatus and method for controlling a camera using a video compression algorithm
A method for controlling a camera using an image compression algorithm. A motion region and a motionless region are determined with respect to an input image based on a motion vector of a macro...
|
|
|
7242715 |
Systems and methods for encoding redundant motion vectors in compressed video bitstreams
The invention is related to methods and apparatus that encode redundant motion vectors for predictive-coded visual object planes (P-VOPs) to increase the robustness of transmitted video signals....
|
|
|
7224730 |
Systems and methods for decoding redundant motion vectors in compressed video bitstreams
The invention is related to methods and apparatus that decode robustly encoded video bitstreams. One embodiment of a decoder can advantageously reconstruct a predictive-coded video object plane...
|
|
|
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...
|
|
|
7221779 |
Object measuring apparatus, object measuring method, and program product
The present invention provides an object measuring apparatus capable of performing high-speed process and accurately counting the number of a plurality of objects even in the case where the...
|
|
|
7215384 |
Method and apparatus for simplifying field prediction motion estimation
Motion estimation on a received stream of data comprising at least a predicted frame and an anchor frame, and utilizing even-parity field prediction to predict content of each of a plurality of...
|
|
|
7212573 |
Method and/or apparatus for determining minimum positive reference indices for a direct prediction mode
An apparatus comprising a first processing circuit and a second processing circuit. The first processing circuit may be configured to generate (i) one or more prediction samples and (ii) a...
|
|
|
7203234 |
Method of directional filtering for post-processing compressed video
A method of post-processing decompressed images includes identification of the direction of an image edge in a pixel block of the image and filtering applied along the boundary of the block in a...
|
|
|
7190883 |
Systems and methods for fast random access and backward playback of video frames using decoded frame cache
In some embodiments, the invention includes a method of processing a video stream. The method involves detecting a request to playback a particular frame. It is determined whether a decoded version...
|
|
|
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...
|
|
|
7170941 |
Temporal compression
The present invention discloses a temporal compressor and decompressor for sequences of images. The compressor includes an interface for receiving the sequence of images. A spatial compressor...
|
|
|
7167521 |
Video encoding apparatus and video decoding apparatus
An alpha-map encoding apparatus includes a first down-sampling circuit ( 21 ) for down-sampling an alpha-map signal which represents the shape of an object and the position in the frame of the...
|
|
|
7164717 |
Systems and methods for detecting scene changes in a video data stream
The present invention is related to video encoding. In an embodiment, a first root mean squared (RMS) value is calculated for a first frame relative to a second frame, and a second frame relative...
|
|
|
7164800 |
Method and system for constraint-consistent motion estimation
A method for determining motion vectors from one point in one image frame of a scene to corresponding points in at least two other image frames of the scene, wherein the frames are obtained in a...
|
|
|
7161983 |
Adaptive motion vector field coding
A method for motion compensated encoding of video data. The method comprises the steps of:
generating a motion vector field of video pixels of a current frame to be coded based on a...
|
|
|
7161614 |
Device and method for converting two-dimensional video to three-dimensional video
There is provided parallax correction means for correcting a parallax for each area calculated by parallax calculation means in accordance with the magnitude of a motion vector for the area...
|
|
|
7154555 |
Automatic deinterlacing and inverse telecine
A video apparatus is provided with automatic deinterlacing and inverse telecine pre-filtering capability to automatically analyze the frames of the video to determine at least whether the video is...
|
|
|
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...
|
|
|
7149250 |
Video encoding method
The present invention relates to an encoding method processing video object planes (VOPs) of I, P or B type and including a dynamic allocation of said VOPs. According to said method, for each input...
|
|
|
7139317 |
Segment-based encoding system using exposed area filling performed by an encoder and a decoder
An encoding system encodes and decodes video data using an exposed area fill processor. A nonkey frame is encoded as a set of kinetic information relating segments of a reference frame to the...
|
|
|
7123246 |
Display device
The invention provides a display device which is capable of adjusting the image refresh rate to an optimal value regardless of the type of image data, and thus has low power consumption. The...
|
|
|
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...
|
|
|
7110455 |
Noise reduction pre-processor for digital video using previously generated motion vectors and adaptive spatial filtering
Noise is reduced in a video system by applying motion compensated temporal filtering using previously generated motion vectors and adaptive spatial filtering at scene change frames. Various types...
|
|
|
RE39277 |
Method for determining motion compensation
A method for predicting motion compensation of determining of an input image based on a motion vector of the input image from this input image to a reference image which has been sampled at a first...
|
|
|
RE39281 |
Method for determining motion compensation
A method for predicting motion compensation for determining of an input image based on a motion vector of the input image from this input image to a reference image which has been sampled at a...
|
|
|
7099392 |
Motion vector searching method using plural search areas
A motion vector searching system and method estimates a motion vector during image compression by acquiring a present image frame and at least one previous image frame, generating low-resolution...
|
|
|
7065139 |
Video encoding method and video encoder for improving performance
Video encoding methods and video encoders that provide improved performance while reducing power consumption. In one aspect, a video encoding method comprises the steps of outputting a parameter...
|
|
|
7061980 |
Method of describing object region data, apparatus for generating object region data, video processing method, and video processing apparatus
An object-region-data describing method for describing object region data relating to a time-series variation of an object region in video data including a plurality of frames, the method...
|
|
|
7058130 |
Scene change detection
In one embodiment, a scene change detection component of a video encoder uses motion vectors to determine whether a scene change occurs in a video sequence. The scene change detection component...
|
|
|
7058227 |
Problem area location in an image signal
In a method of locating problem areas in an image signal (I), a motion vector field (Df) is estimated for the image signal (I), and edges are detected in the motion vector field (Df). In a...
|
|
|
7054366 |
Systems and methods for MPEG subsample decoding
A decoder decimates MPEG or other video data by subsampling the output of an inverse discrete cosine transform (IDCT) module. The decimation process is useful for reducing the volume of data that...
|
|
|
7053962 |
Method and device for determining an image shift in an image sequence
A method and a device for determining an image shift in an image sequence may be used, for example, to compensate for a camera movement or other image source movement. A plurality of image zones of...
|
|
|
7050633 |
Image processing apparatus and method, and storage medium therefor
In an image processing apparatus, an input image is synthesized with a stored image supplied from a storage unit and having been shifted so that the positions of the pixels in the image areas of...
|
|
|
7050108 |
Motion vector correction circuit and method
It is determined whether each block ( 51 ) including a plurality of pixels extracted from a basic field ( 30 ) has an edge or not, and then which state, stationary or non-stationary, each of the...
|
|
|
7043093 |
Program for processing image, recording medium of the program and method of and apparatus for processing image
At first, average brightness of each of frames of a moving image is calculated by a computer. Following that, a moving average along a time axis is calculated for each of the frames so that moving...
|
|
|
7039110 |
Methods of and units for motion or depth estimation and image processing apparatus provided with such motion estimation unit
In the method of motion estimation a tree ( 120 ) of segments ( 102–114 ) of an image ( 100 ) is generated by performing a hierarchical segmentation. The tree ( 120 ) of segments is analyzed to...
|
|
|
7031387 |
B picture mode determining method and apparatus in video coding system
A B picture mode determining method and apparatus in a video coding system includes the steps of: setting sum of absolute difference (SAD) initial values of a 4×4 and 16×16 intra prediction mode,...
|
|
|
7030905 |
Real-time method and apparatus for tracking a moving object experiencing a change in direction
A method and apparatus for tracking an object using one or more video cameras together with a plurality of microphones and/or geophones, whereby accurate tracking of the object can be obtained even...
|
|
|
7027511 |
Fast motion estimation using N-queen pixel decimation
The present invention proposes a fast motion estimation using N-queen pixel decimation, whereby after a reference block and a block to be processed are selected in a video sequence, an N×N queens...
|
|
|
7027510 |
Method of estimating backward motion vectors within a video sequence
A method of speeding the computation of backward motion vector estimates which are derived from fields which are available from forward motion vector estimates as based on nearest neighbor...
|