|
Match
|
Document |
Document Title |
|
|
7274402 |
Method and apparatus for motion-vector-aided pixel interpolation
In a method and apparatus for motion-vector-aided interpolation of a pixel in an intermediate image lying temporally or spatially between first and second images, motion vectors are assigned to the...
|
|
|
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 ...
|
|
|
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...
|
|
|
7242850 |
Frame-interpolated variable-rate motion imaging system
A method of recording and processing a digital motion image sequence, includes the steps of: recording a digital motion image sequence at a capture frame rate; determining different effective image...
|
|
|
7236211 |
Method of inter-frame Y/C separation
The present invention discloses a method of inter-frame Y/C separation. The method first samples a composite video signal for temporarily storing a plurality of sampled data F m P x,y , wherein the...
|
|
|
7233348 |
Test method
A non-intrusive test method for video sequences correlates a number of quality indicators derived from a sequence with a matrix of constants to predict a quality score for the sequence.
|
|
|
7221403 |
Image signal processing apparatus and processing method
The present invention provides an image signal processing apparatus and a method thereof which perform double-speed conversion on images subjected to telecine conversion and in which a first field...
|
|
|
7215377 |
Image signal processing apparatus and processing method
The present invention provides an image signal processing apparatus and a method thereof in which each of the fields forming the unit-frame is specified, with respect to the inputted image signal,...
|
|
|
7199838 |
Motion adaptive noise reduction apparatus and method for video signals
A video noise reduction system for a set of video frames that computes a first motion signal using a current frame and multiple consecutive previous frames, computes a second motion signal using...
|
|
|
7199833 |
Method of using three-dimensional image interpolation algorithm to achieve frame rate conversions
This specification discloses a method that uses three-dimensional image interpolation algorithm implemented in an image player to solve the problem of frame rate conversions between output contents...
|
|
|
7158189 |
Adaptive non-linear noise reduction techniques
An impulse-reducing module ( 200 ) reduces random noise in video pixels by providing an impulse detector ( 244 ) and an impulse reducer, such as a median filter ( 250 ). The impulse detector ( 244...
|
|
|
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...
|
|
|
7139029 |
Methods and apparatus for correction for 2-3 field patterns
Systems and methods are provided for allowing a user to correct a discontinuous 2-3 field sequence within a disrupted video signal. A 2-3 field pattern fixer can be operated in a one-pass mode...
|
|
|
7110047 |
Significant scene detection and frame filtering for a visual indexing system using dynamic thresholds
A video indexing system analyzes contents of source video and develops a visual table of contents using selected images. A system for detecting significant scenes detects video cuts from one scene...
|
|
|
7098957 |
Method and apparatus for detecting repetitive motion in an interlaced video sequence apparatus for processing interlaced video signals
Interlaced video signals are processed by mixing spatially interpolated video signals with temporally interpolated video signals. The respectively interpolated signals are mixed in dependence on a...
|
|
|
7095445 |
Method of detecting motion in an interlaced video sequence based on logical operation on linearly scaled motion information and motion detection apparatus
A motion decision value provides a dependable estimate whether motion occurs in a given region of a video image in an interlaced video sequence. The motion detection is particularly applicable in...
|
|
|
7050501 |
Digital noise reduction techniques
A preprocessor system ( 10 ) reduces random noise in video pixels by providing a memory ( 19 ) arranged to store first pixels processed during a first time period. A motion detector ( 300 )...
|
|
|
7046304 |
Noise reduction circuit
A noise reduction circuit comprises correlation value calculation means for calculating correlation values in a plurality of directions centered at a pixel to be corrected; correction amount...
|
|
|
7003166 |
Method of encoding data in a monochrome media
A method for encoding data in a monochrome media utilizing the capability of the media for grayscale resolution. A document is processed to provide an image in electronic format, in which each...
|
|
|
6999128 |
Stillness judging device and scanning line interpolating device having it
An inter-frame motion detector detects the presence or absence of motion between frames on the basis of judgment whether or not an inter-frame difference is not more than a set value. A vertical...
|
|
|
6987884 |
Image processing device and method, and recorded medium
A storage picture generating unit ( 191 ) weight-adds an input picture and a storage picture to reduce the noise in a still picture portion. An area extraction unit ( 193 ) extracts a class tap...
|
|
|
6947661 |
Apparatus and method for reproducing video signals
To eliminate unnaturalness in the display of video signals that are intermittently updated. Video signals recorded in a disk 1 in a compressed manner are reproduced through a pickup 2 . The...
|
|
|
6937293 |
Image display unit for and method of displaying pixels and image display apparatus comprising such a display unit
An image display unit ( 100 ) displays an image on a display device ( 406 ), like a plasma display panel, in a number of sub-fields ( 204-218 ). The image display unit can perform motion...
|
|
|
6928233 |
Signal processing method and video signal processor for detecting and analyzing a pattern reflecting the semantics of the content of a signal
The video signal processor 10 includes a scene detector 16 which uses features extracted for visual segments and/or audio segments resulted from segmentation of an input stream of video data,...
|
|
|
6842196 |
Method and system for automatic correction of motion artifacts
Methods and systems of the present invention automatically and differentially detect and correct linear motion artifacts caused by camera movement and regional subject motion artifacts. Regional...
|
|
|
6822691 |
Method of detecting motion in an interlaced video sequence utilizing region by region motion information and apparatus for motion detection
A motion decision value provides a dependable estimate whether motion occurs in a given region of a video image in an interlaced video sequence. The motion detection is particularly applicable in...
|
|
|
6822675 |
Method of measuring digital video quality
The present invention relates to a method of measuring video quality. Said method comprises a step of determining ( 21 ) at least one reference level (JND) above which visual artifacts become...
|
|
|
6807306 |
Time-constrained keyframe selection method
A method for candidate frame selection involves sampling the source frames of the source video at a predetermined fixed periodic interval. The largest frame differences represent candidate...
|
|
|
6757027 |
Automatic video editing
An automatic video editing system identifies problems within frames in an input video, categorizes the frames by problem type, and edits the frames based on editing parameters for the category. A...
|
|
|
6738100 |
Method for detecting scene changes in a digital video stream
A system and method that processes video to extract a keyframe-based adequate visual representation. The method utilizes a hierarchical processing technique. The first stage in the hierarchy...
|
|
|
6714258 |
Video-apparatus with noise reduction
A video apparatus includes a circuit for reducing noise in applied input video signals. The noise reducing circuit is provided with a temporal noise filter (S 1 , LUT, M), a down-sample unit (D)...
|
|
|
6690725 |
Method and a system for generating summarized video
An algorithm for video summarization is described. The algorithm combines photometric and motion information. According to the algorithm, the correspondence between feature points is used to detect...
|
|
|
6661470 |
Moving picture display method and apparatus
A method for displaying a moving picture having a proper tone by changing a combination of subfields constituting a field of the moving picture, the subfields each having a different weight of...
|
|
|
6636618 |
Method for detecting geological discontinuity in an environment using an optical flow
The invention concerns a method for detecting geological discontinuity in an environment using an optical flow. The method includes the steps of selecting in the seismic block a section containing...
|
|
|
6559890 |
Methods and apparatus for correction of 2-3 field patterns
Systems and methods are provided for allowing a user to correct a discontinuous 2-3 field sequence within a disrupted video signal. A 2-3 field pattern fixer can be operated in a one-pass mode...
|
|
|
6549245 |
Method for producing a visual rhythm using a pixel sampling technique
A method for producing a visual rhythm in a video system, includes the steps of: a) sampling a portion of pixels contained at each of frames; and b) producing the visual rhythm summarizing changes...
|
|
|
6542195 |
Image pick-up apparatus for outputting image frames by thinning out the same
An invalid frame in 60P images supplied from a 60P camera head is delayed by a single frame by a 1-frame delay circuit. A differential between the delayed invalid frame and the valid frame is...
|
|
|
6525774 |
Inverse telecine converting device and inverse telecine converting method
An inverse telecine converting device and method converts quasi-television motion picture information back to original cinema motion picture information, wherein the quasi-television motion picture...
|
|
|
6480632 |
Method and apparatus to interpolate video frames
A method comprises, for a plurality of interpolated pixels in an interpolated video frame, classifying an interpolated pixel of the plurality as one of stationary, moving, covered, and uncovered,...
|
|
|
6469749 |
Automatic signature-based spotting, learning and extracting of commercials and other video content
A video signal is processed to identify segments that are likely to be associated with a commercial or other particular type of video content. A signature is extracted from each of the segments so...
|
|
|
6456337 |
Moving image correcting circuit for display device
In a moving image correcting circuit for a display unit wherein a motion vector detecting portion detects inter-frame motion vectors and a moving image correcting position corrects the display...
|
|
|
6424382 |
Error picture image data correction apparatus and method of the same
The present invention is an error picture image data correction apparatus that can correct the error picture image data and suppress the image quality deterioration when there are plural error data...
|
|
|
6396876 |
Preprocessing process and device for motion estimation
The invention relates to a method of preprocessing a video image sequence consisting of a succession of interlaced frames for estimating motion between a first and a second frame, characterized in...
|
|
|
6307980 |
Method and apparatus for introducing reference impairments into video signals
A method and an apparatus are provided for introducing reference impairments into pictures to be used in subjective tests on digital video signals, in compliance with ITU-T Recommendation P.930....
|
|
|
6259489 |
Video noise reducer
In a video noise reducer, where pixel information is recursively filtered, with recursion being disabled at a disjuncture (caused by motion, planning, shot-change or otherwise), recursively...
|
|
|
6233278 |
Apparatus and method for using side information to improve a coding system
A method and apparatus for pre-processing an image sequence to extract side information concerning the image sequence is disclosed. In one embodiment, the side information is inserted into the...
|
|
|
6124900 |
Recursive noise reduction for progressive scan displays
A method and structure for producing a noise reduced video signal. The data corresponding to a pixel in a first frame is differenced with signal corresponding to that pixel in a second frame. The...
|
|
|
6104751 |
Apparatus and method for decompressing high definition pictures
A system for processing compressed data corresponding to pictures includes a decoding mechanism, providing a picture memory with decoded picture data. The decoding mechanism requires, for decoding...
|
|
|
6084641 |
Fade detector for digital video
Static fade in a digital video image is detected. A difference in luminance intensity is determined for correspondingly positioned pixels in successive images. A variance in the difference is...
|
|
|
6075572 |
Multi-dimensional video filters
An S/N ratio is improved and flicker noises and mosquito noises are suppressed while deterioration of a resolution is suppressed. A three-dimensional cyclical digital filter (16) is interposed...
|