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5305104 |
Digitally assisted motion compensated deinterlacing for enhanced definition television
In an Enhanced Definition Television (EDTV) system, an assistance signal is transmitted to enable a suitably equipped receiver to choose from a number of predetermined deinterlacing modes. The...
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5303060 |
Apparatus for recording and/or reproducing HDTV signals
An HDTV signal (dot density: 2N dots/line) is converted into a luminance signal and a line sequential color signal, and the resulting signals are both subjected to vertical interpolation and...
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5301015 |
NTSC and PAL compatible digital encoder
A digital encoder for use in both NTSC and PAL systems includes a demultiplexer for separating a time-division color difference signal R-Y/B-Y into color difference signals R-Y and B-Y. The...
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5301021 |
Display with vertical scanning format transformation
Apparatus for a multi-screen display including a multiprocessor for processing signals from at least one signal source and for applying processed signals to a plurality of display units arranged in...
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5298997 |
Line data-block data converting circuit
A converting circuit has a memory of a capacity of at least n×b max pixels when b max is set to the number of valid pixels in a frequency mode providing a largest number of valid pixels for one...
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5299073 |
Video tape recorder speed control
Video tape recorder speed control apparatus for controlling a video tape recorder (1) to cause it to reproduce a recorded video signal at a predetermined speed, such as a fraction 1/n of the normal...
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5294984 |
Video signal processing system for producing intermediate pixel data from neighboring pixel data to improve image quality
A video signal processing system improves the image quality displayed in a CRT or printed by a video printer. In order to produce natural and fine video signals, pixel data corresponding to an...
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5291275 |
Triple field buffer for television image storage and visualization on raster graphics display
Image conversion method and apparatus that provides for (a) storing in a first memory a first image field; (b) storing in a second memory a second image field; (c) reading the first and the second...
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5289190 |
Recording/reproducing apparatus including control signal indicating high-efficiency coding
The present invention relates to a recording/reproducing apparatus which records an effective transmit information signal on a recording medium in a high-efficiency coded form and decodes the...
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5289305 |
Progressive scan architecture for video special effects
An enhanced video special effects system architecture is based on deinterlacing (16) incoming fields of interlaced video and processing the deinterlaced video through video special effects...
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5289277 |
High definition television signal format converter
A high definition television transmitting system includes a source of high definition analog RGB video signals which are converted to corresponding digitally encoded signals and thereafter...
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5287189 |
Displaying an interlaced video signal with a noninterlaced video signal
A video display unit and deflection system are synchronized with a first video signal. A detecting circuit determines whether the first video signal has more than one field type. A second video...
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5287170 |
Broadcasting signal detecting circuit for SECAM and PAL signal formats
A broadcasting signal detecting circuit of a SECAM system can easily determine whether the received broadcasting is from a PAL or SECAM system in accordance with the existence of a color burst at...
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5285263 |
Sample rate converter for digital video signals having reduced phase error and sync point coincidence
A digital video signal processing device is capable of avoid phase difference of video signals in case of converting the rate of digital video signals. In case of converting the first digital video...
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5285262 |
High resolution video acquisition system
A high resolution video acquisition system is disclosed that provides a rrding capability at extended time with full resolution. Two real time digital scan converters, a synchronizing computer and...
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5283653 |
Dual HDTV/NTSC receiver using sequentially synthesized HDTV and NTSC co-channel carrier frequencies
A dual HDTV/NTSC receiver includes a microprocessor for controlling a tuner for synthesizing the carrier frequencies of HDTV signals and NTSC signals. The HDTV signals are inherently of much lower...
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5282020 |
Device for generating horizontal scanning periodic signal of pal-system to obtain clear display image
A device for generating a horizontal scanning periodic signal used for a PAL-system including a first clear signal generation unit for generating a first candidate clear signal when a value of the...
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5280350 |
Method and apparatus for processing a picture signal to increase the number of displayed television lines using motion vector compensated values
After a motion compensated interpolation to obtain an additional line between two adjacent lines of a given field (II) from picture information of at least one neighboring field (I, III), the...
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5280397 |
Bi-directional HDTV format digital signal converter
A television signal format converter is provided for converting without loss of picture information any high definition television format to or from a given recorder/player format. An interface...
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5274372 |
Sampling rate conversion using polyphase filters with interpolation
A sampling rate converter for converting an input digital signal, such as D2 PAL, into an output digital signal, such as D1 PAL, has a pair of polyphase filters. The input digital signal is input...
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5272519 |
Recording/reproducing apparatus employing sum and difference sequential circuitry for lines adjacent in the second or third dimensional direction followed by time base conversion circuitry
The system is made up of signal conversion unit for converting a video signal into two-line sum signal and difference signal for every two lines, time base conversion unit for time base converting...
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5272547 |
Video image reading apparatus
A video image reading apparatus stores video data from a reader of the video image of an original document and outputs the stored video signals as a standard television video signal by successively...
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5270817 |
Television signal processing apparatus for separating an auxiliary signal from a letterbox signal
In the television broadcasting system called letter box method, it is proposed to transmit an image having a larger aspect ratio than that of the existing broadcasting system by using some of the...
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5270815 |
Image compression processing apparatus having means for removing jitter contained at boundary between image and mask portions
Input analog image signals are converted to digital image signals and applied to a demodulation circuit and a synchronous circuit. In the demodulation circuit, the digital image signals are...
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5268756 |
Generation of synchronization samples for a digital PAL signal
A system for converting a digital component video signal having timing information contained therein to a digital composite video signal is described. The system has a decoder for extracting the...
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5268750 |
Apparatus for adjusting the timing of sampled data signals in a resampling system
A video signal processing system uses a sequence of interpolation filters to resample a 125M video signal to produce a 244M signal. In addition, the system allows an operator to specify a desired...
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5267045 |
Multi-standard display device with scan conversion circuit
A multi-standard display device having a liquid crystal display screen has so far only been realized by using all kinds of interpolation techniques. To make the number of rows and columns of the...
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5262857 |
Still-image video signal processing circuit
A still-image video signal processing circuit for a MUSE decoder has a pair of frame memories for producing first digital video signals which vary from each other by a delay time difference...
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5262847 |
Method of converting luminance-color difference video signal to a three color component video signal
A method of converting a digital video signal having a luminance component for each pixel of a frame and two color difference components for contiguous groups of pixels in the frame into a video...
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5260787 |
Film-to-video frame image conversion apparatus and method for selectively identifying video fields and frames
A film-to-video frame image convertor includes a 3-2 pulldown frame convertor for converting signals representing input film frame images, having a lower associated film frame image rate, to...
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5258837 |
Multiple security video display
Monitoring apparatus for a security system comprises a monitor 21 and twelve video cameras C1 to C12. An effects unit 20 includes a buffer memory 24 and a set of 13 video compression units 23....
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5258749 |
Non-interlace display device
In a non-interlace display device, addition is performed in the level ratio of 1/4 and 3/4 at one field and in the level ratio of 3/4 and 1/4 at one field, and the display elements common in one...
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5257102 |
Television standards converters using motion vectors corresponding to correlation of horizontal and vertical pixel offsets
A television standards converter for converting an input digital video signal from one television standard to another, comprises a first low-pass filter (35) for filtering the input video signal, a...
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5255100 |
Data formatter with orthogonal input/output and spatial reordering
A method and structure for reformatting digitized standard video data for input into a binary spatial light modulator. The data enters circuitry that separates all of the equally weighted binary...
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5253041 |
Digital television signal compression apparatus
A preprocessor for conditioning interlace-scan video signals for frame based compression, includes apparatus to accept fields of interlace-scanned video and provide fields of interlace-scanned...
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5249052 |
Image display system with compressed video signal recording and display
A system comprises a video camera for producing one field portion of a video signal in a second predetermined period during a first predetermined period which is longer than the second...
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5239377 |
Device for splitting a digital interlaced television signal into components
Device for splitting a digital interlaced television signal into components in which interlaced frames are applied to a vertical low-pass filter (6). To prevent motion artefacts in the spatial...
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5231519 |
Image processor which converts image with poor resolution into image with improved resolution
An image processor converts a resolution of an image from an inferior resolution to a superior resolution and performs an smoothing process for smoothing jagged edges of an image by using a 3*3...
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5229852 |
Real time video converter providing special effects
A general purpose scan converter for converting video signals from one scan rate to another scan rate. The scan converter accepts NTSC, PAL, EGA, VGA, or other inputs in standard video formats and...
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5227867 |
Apparatus for line-alternating interpolation of chroma signals
An apparatus for line-alternating interpolation of chroma signals in a MUSE decoder for a high definition (HD) television can simultaneously transmit color difference signals such that a color...
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5227882 |
Video display apparatus including display device having fixed two-dimensional pixel arrangement
A video display apparatus includes an LCD device of the active matrix type and an image memory having an arrangement and storage capacity corresponding to the two-dimensional pixel arrangement...
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5227866 |
Television receiver for extended definition video signal detects number of scan lines and controls signal processors
A television receiver for extended definition television carries out scanning line interpolation in a way that eliminates picture shift on the screen and ensures normal display when supplied with a...
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5228112 |
Inspection control system and method
A system and method are described for automatic analysis of image information, such as dimensional, surface, internal or other information. Analysis is controlled by the electronic analysis of...
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5220423 |
Apparatus for controlling display of an image on a large aspect ratio television screen
In a television receiver having a picture tube with the picture plane aspect ratio being different from the image size aspect ratio in the existing standard television system, when an image in the...
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5220435 |
Muse signal digital recording/reproducing apparatus and operating method thereof
A MUSE signal recording/reproducing apparatus for converting a MUSE signal into a digital signal and for recording/reproducing the same, including an HDVTR, a signal processing device, and a...
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5204676 |
Circuit arrangement for frequency conversion of a digital signal
A circuit arrangement for converting a digital signal of a first frequency into a signal of a second frequency and including an interpolator/decimator is characterized, notably for asynchronous...
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5200749 |
Format converter architecture
A format converter for converting an input signal having a specified format to a digital signal of a pre-existing format, and for converting the digital signal back to the input signal...
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5182633 |
Video sample rate converter
A video sample rate converter for converting decoded SMPTE D2 interleaved component video to SMPTE D1 interleaved component video includes a single modified multi-tap finite impulse response...
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5166792 |
Video signal processing and video stores
Video signal processing apparatus, particularly for converting from one broadcast television standard to another, utilizes a plurality of field stores which are read cyclically. Information is...
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5164825 |
Image processing method and apparatus for mosaic or similar processing therefor
An image processing method and apparatus for obtaining, from an original image, a natural mosaic image or an image of neo-impressionistic effect. In this method and apparatus, image information of...
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