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7623184 |
Apparatus and method for digital image stabilization
The invention provides a digital image stabilization apparatus for compensating a jitter occurred in the ith frame among N frames of a video sequence, where each of the N frames includes a...
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7602440 |
Image processing apparatus and method, recording medium, and program
The present invention relates to an image processing apparatus and method, a recording medium, and a program that can very sharply display video images which are subjected to frame rate conversion...
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7557863 |
Digital display jitter correction apparatus and method
A jitter correction apparatus and method are disclosed. In one embodiment, the apparatus has a rising edge corrector to receive a jittered signal and to output a jitter corrected rising edge of the...
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7460629 |
Method and apparatus for frame-based buffer control in a communication system
A method and apparatus are disclosed for controlling a buffer in a digital audio broadcasting (DAB) communication system. The decoder buffer level limits are specified in terms of a maximum number...
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7412004 |
Method and apparatus for controlling buffer overflow in a communication system
A method and apparatus are disclosed for controlling a buffer in a digital audio broadcasting (DAB) communication system. An audio encoder marks a frame as “dropped” whenever a buffer overflow...
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7405769 |
Method and system for 3D comb synchronization and alignment of standard and non-standard video signals
In a method and system for 3D comb synchronization and alignment of standard and non-standard video signals, a coarse synchronization is performed on a bottom frame, a current frame, and a top...
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7298916 |
Image signal processing apparatus and method
When performing A/D conversion on image signals, when reducing noise that is caused by jitter by adjusting the phase of the sampling clocks, even if the input waveform has considerable waveform...
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7268824 |
Method and apparatus for canceling jitter
A jitter canceling apparatus is provided for canceling jitter in a video signal. For processing a video signal, using as a reference an internal synchronization signal and an external...
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7212724 |
Jitter correcting apparatus and method for video signals
A jitter correcting apparatus and method for a video signal in a video signal reproduction system includes a digital video decoder for demodulating an externally-applied video signal and a...
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7199834 |
Vertical synchronizing signal generation apparatus and video signal processing apparatus
The vertical sync signal generator includes: a vertical sync signal separation circuit for separating a vertical sync signal of an input luminance signal and outputting the separated signal as a...
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7158045 |
Method and apparatus for maintaining an ideal frequency ratio between numerically-controlled frequency sources
A method and apparatus for maintaining an ideal frequency ratio between numerically-controlled frequency sources provides a mechanism for maintaining coherence between multiple synchronization...
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7123307 |
Clock jitter limiting scheme in video transmission through multiple stages
A scheme to reduce clock jitter is disclosed in applications where video content is transmitted through multiple stages, each having a switch allowing that stage's video stream to be selected. The...
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7110446 |
Method and apparatus for reducing effect of jitter
Method and apparatus for reducing effect of jitter is described. More particularly, one or more taps of a delay line are selected for a reference clock signal. These selected taps each have an...
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7062242 |
Dynamic path gain compensation for radios in wireless communication systems
A DPRAM is placed in the RF path before the digital to analog converter, to provide dynamic path gain compensation to the digital signal prior to conversion to an analog signal. The DPRAM stores...
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7053959 |
Digital video encoder
A mask circuit masks a digital video signal so that a video signal of an analog video signal is not outputted for a predetermined period after the start of output of a horizontal synchronizing...
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7039070 |
Moving image packet decoding and reproducing apparatus, reproduction time control method thereof, computer program product for controlling reproduction time and multimedia information receiving apparatus
Error correcting section holds PTS(n−1) and DTS(n−1) of the frame immediately preceding the current frame and the most recent CPTS as determined to be correct in the past. The time stamp of the...
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7006149 |
Video signal control circuit
The delay circuit composed of plural flip-flops converts an input data into plural data 110 - 0˜110 - n having delays of 1 ˜n clocks, which are inputted to the selector of the selector...
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6980255 |
VSB modulator symbol clock processing to reduce jitter/phase noise and sampling artifacts
A translator demodulates a received digital television signal so as to produce a digital data stream, a symbol clock, and a byte clock, wherein the symbol clock and the byte clock are corrupted by...
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6967688 |
Method and apparatus that reduces jitter in a display by providing temporal hysteresis
A method and apparatus is directed to reducing jitter of the position of an On Screen Display (OSD) associated with a display device. Multiple horizontal signals are produced in response to a...
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6894727 |
Picture transmission apparatus, a picture transmission method and a recording medium, and a picture transmission program
Providing picture transmission apparatus, a picture transmission method and a recording medium, and a picture transmission program that can transmit the latest picture data in real time depending...
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6819363 |
Video signal processing device
For horizontal sync information HD suitable for use in image processing module, e.g., module for TBC features, image compression recording/playback features, and LCD displaying features, it would...
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6731344 |
Horizontal automatic frequency control (AFC) circuit
A horizontal automatic frequency control (AFC) used in a display having a display device such as a cathode ray tube (CRT) is provided. The AFC circuit reduces a horizontal distortion and horizontal...
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6721016 |
Jitter detection device and image quality correction device for adaptively changing correction when reproducing video signal
A jitter detection device for detecting jitter of a video signal (Sv) measures a vertical period (Stf(v)) of one field (v) of the video signal (Sv) to determine, based on a vertical period signal...
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6710814 |
Digital broadcast receiving system for detecting short-breaks and holding information based on same
A receiver is constructed so that it detects a short-break of a digital broadcasting wave by the absence of a synchronizing code or by a transmission control signal multiplexed with the...
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6650719 |
MPEG PCR jitter, frequency offset and drift rate measurements
A method of measuring MPEG PCR jitter, frequency offset and drift rate uses a selectable, constant measurement bandwidth over non-uniform PCR arrival times and a variable PCR rate. The selectable,...
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6636265 |
Focus flutter prevention in TV receivers and monitors
An inventive method for preventing focus flutter display in a TV receiver or monitor includes the steps of amplifying a received signal for driving cathode elements of a cathode ray tube, and...
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6556249 |
Jitter cancellation technique for video clock recovery circuitry
A method and apparatus for compensating for time base or phase errors in video and audio signals that are separately stored or processed. A ring oscillator provides a plurality of clock signals,...
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6549198 |
Hout position control circuit
Disclosed is a HOUT position control circuit used to control the horizontal position of display image in a multisync monitor. The circuit has: a first PLL circuit that is phase-locked with input...
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6535252 |
Device for receiving displaying and simultaneously recording television images via buffer
A device for receiving, storing and displaying television images. The device comprises a buffer ( 2 ) for storing television images. Television images having a first frame frequency are received at...
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6486919 |
Apparatus and method for correcting jitter in a television system
An apparatus and method for correcting jitter components of a television system which can be generated by an asynchronous signal applied externally as well as a truncation error are described. In...
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6473091 |
Image processing apparatus and method
An image processing apparatus and method which can reduce the size of circuits for α-blending and dithering and realize high speed processing which perform in parallel processing for finding an...
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6469744 |
Methods and apparatus for encoding, decoding and displaying images in a manner that produces smooth motion
Methods and apparatus for encoding, decoding and displaying images in a manner that provides for relatively smooth motion are described. In accordance with the invention a multi-sync display device...
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6466271 |
Method of smoothly displaying field videos in an interlaced display
A method of smoothly displaying field videos in an interlaced display according to the invention. In a currently-exiting interlaced display system, the sequence of a scan timing with a top scan...
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6411336 |
Systems and methods for intra- and inter-field aligning of video frames
A method and apparatus to improve the vertical alignment of images captured from video. The method shifts a current scanline by an alignment offset detected locally between either the two fields of...
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6377588 |
Method and apparatus for reducing jitter of a program clock reference in a transport stream of MPEG over ATM, and MPEG decoder
Jitter of a Program Clock Reference (PCR) in a transport stream of an Moving Picture Experts Group (MPEG) signal transmitted over Asynchronous Transfer Mode (ATM) system is reduced by correcting...
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6331875 |
Method and device for arranging digitized image signals or data in orthogonal rows and columns
Television receivers are increasingly making use of digital signal processing. Present-day television receivers use a line-coupled clock system in this case, since this produces an orthogonal pixel...
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6310658 |
Video signal mixing apparatus and method thereof
A video signal mixing apparatus and a method thereof, which is capable of minimizing timing jitter caused when onsynchronized video signals are digitally mixed. A signal subtractor subtracts a...
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6272138 |
Method and apparatus for reducing jitter or wander on internetworking between ATM network and PDH network
A method and apparatus for reducing jitter and wander on the internetworking between ATM network and PDH network is disclosed. The apparatus comprises a timing recovery block which receives a...
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6256003 |
Jitter correction circuit and a flat panel display device using the same
A jitter correction circuit includes a delayed signal generator and an output circuit. A correction subject signal Ckd0 is derived from multiplying a horizontal synchronization signal or a...
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6219105 |
Video signal processing apparatus
A video signal processing apparatus comprising an oscillating unit for outputting a signal of a stable frequency, a counting unit for counting the period of a cycle of a signal supplied from the...
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6198468 |
Apparatus for performing various on-screen display functions and methods for each function
An apparatus having various on-screen display (OSD) functions and methods for each function are provided. The apparatus includes an on-screen display device for receiving serial data having a RAM...
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5999226 |
Dual-screen apparatus capable of preventing jitter and screen cutoff
An apparatus for composing two screens in a television which is capable of solving the problems of a jitter and a screen being cut off at the top and bottom portions caused by a non reference...
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5978038 |
Image information processing apparatus using single phase-locked loop
An image information processing apparatus is described that suppresses noise generated in digital signal processing while preventing the circuit scale from enlarging. The apparatus includes a...
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5959692 |
Television-signal processing apparatus and television-signal processing
The present invention relates in general to a digital-signal processing apparatus as well as a digital-signal processing method and, in particular, to a jitters removing apparatus as well as a...
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5923377 |
Jitter reducing circuit
A sync signal correction circuit generates a corrected sync signal which is obtained by correcting a timing of a sync signal on the basis of a time axis variation component (jitter component) of...
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5887114 |
Video memory device for processing a digital video signal comprising a separation means which separates a horizontal synchronizing signal from a digital video signal
A video memory device is provided with a memory circuit, a write control circuit for controlling writing to the memory circuit by utilizing the horizontal synchronizing signal of a video signal...
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5859634 |
Vertical position-jitter elimination
A first information (I) is displayed on a display screen of a display device (5). A vertical and horizontal position of a field of the first information (I) on the display screen is determined by a...
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5828808 |
Picture decoder for preventing jitter in fast-play modes of operation
A picture decoder which prevents picture jitter when operating in a fast play mode. The picture decoder has a picture jitter preventing apparatus, which includes a picture coding extension region...
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5805602 |
Network monitoring system for cell delay variation
An arrangement (apparatus and method) for monitoring jitter caused during transport of digitally-coded information in a packet switched network, and for managing network operations in accordance...
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5652627 |
System and method for reducing jitter in a packet-based transmission network
A system and method for use in a video transmission network that regulates the timing of both the video signal and the audio signal regardless of the transport mechanism used to deliver the...
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