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Class 348/581 - Size change


Subclass of Class 348 - Television
Definition: Subject matter including a specific circuitry for changing
No. of patents: 428
Last issue date: 05/01/2012


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NumberTitleIssue Date
5754238Picture signal decoding method and apparatus thereof
In a picture signal decoding method, preceding of the display operation to the decoding operation can be prevented as to a bidirectional predictive picture. When the user specifies an arbitrary magnification display mode in which a part of a decoded pictu...
05/19/1998
5742334Film image reproducing apparatus and a control method for controlling reproduction of film image
A film image reproducing apparatus for reproducing a film image of each frame of a film, includes: an image pick up device which picks up a film image; a reproducer which is operable to reproduce specified areas of the picked up film image; an information...
04/21/1998
5739867Method and apparatus for upscaling an image in both horizontal and vertical directions
An upscaler for upscaling a source image to generate a destination image without having to maintain the aspect ratio (ratio of the length of the source image to that of the width) of the source image. The source image pixel data is received at a first clo...
04/14/1998
5734434Non-linear aspect ratio adaptation
An adaptation of an aspect ratio of a picture signal is effected by providing (1) a second derivative (D2) of an expansion factor (EF) in response to at least one constant value (C1, C2), by providing (3-13) a first derivative (D1) of the expansion factor...
03/31/1998
5731846Method and system for perspectively distoring an image and implanting same into a video stream
A method and system for implanting an image onto a selected one at a time of a plurality of video frames representing a stream of action occurring within a background space, the space having fixed planar surfaces and being scanned by at least one video ca...
03/24/1998
5726716Perspective representation system for displaying portions of an original picture in a displayable picture
In response to the designation of a rectangular partial region of an original picture to be reproduced, the designation of a rectangular partial region of the displayable picture at the reproduction end, and information corresponding relationship between ...
03/10/1998
5712689Digital television set
The horizontal processing circuits subject the image data input respectively to the compression processing or the expansion processing in the horizontal direction and output said processed image data. The transfer means composed of the bus controller 338 ...
01/27/1998
5680178Video multiplexing system for superimposition of scalable video data streams upon a background video data stream
A computer system which includes a microprocessor, a bus coupled to the microprocessor, a video memory coupled to the bus and a display device. A write controller is also provided which is coupled to the bus and which controls writing of an image signal i...
10/21/1997
5673086Image aspect ratio conversion processing apparatus
An image processing apparatus, for processing a compressed image signal corresponding to an image obtained by optically compressing an object image with a predetermined compression rate, receives the compressed image signal, effects an expansion process o...
09/30/1997
5666160Digital zooming system of high resolution and method therefor
A digital zooming system determines subpixel image information by detecting a camera motion component from a dynamic image (pixel images from across more than one image frame), the motion component being generated in an interval less than the standard int...
09/09/1997
5661824Magnifying digital image using mapping
A method of magnifying a digital image based on an edge map. The image has many original pixels, with each pixel having a level, and the locations of the pixels having a resolution. The method to magnify the image includes the steps of producing an edge m...
08/26/1997
5657093Vertical filter circuit for PIP function
A vertical filter circuit providing a PIP function, which can be used for constructing a sub-screen when the input signal of a main screen is a double-scanned signal or a HDTV signal, compresses the vertical lines of the sub-screen into two-thirds of the ...
08/12/1997
5646696Continuously changing image scaling performed by incremented pixel interpolation
A pixel interpolation system provides for continuous scaling of an image, thus allowing for continuous modification of the size and aspect ratio of the image. A one-dimensional interpolator provides a weighted interpolation between two input pixels using ...
07/08/1997
5642167TV picture compression and expansion
Many-to-one and one-to-many digital image transformations play a significant role in a variety of imaging communications, visualization, and robotic applications. A method is presented for forwarding mapping frames of TV images in a many-to-one mapping us...
06/24/1997
5642443Whole order orientation method and apparatus
To determine the orientation of a set of recorded images, the recorded images are scanned. The scanning operation obtains information regarding at least one scene characteristic distributed asymmetrically in the separate recorded images. Probability estim...
06/24/1997
5602599Apparatus and method incorporating digital video processing for reduction/magnification of digital video images to produce low-pass filtered images
A circuit for filtering an input digital image comprising: first storage apparatus for storing the input digital image; apparatus for retrieving the input digital image from the first storage apparatus and generating a first resized digital image of reduc...
02/11/1997
5579418Image interpolation apparatus
Method and apparatus for providing interpolated image data from original image data represented in terms of pixels, each pixel defined in terms of value and position in an original image, includes an original image input receiving original image data from...
11/26/1996
5570135Method and device for multi-format television
A multi-format display system including hardware and algorithms for digital and High Definition Television. The system includes a light source (120), a tuner/preprocessor unit (114), a processor unit (116), a spatial light modulator (118), and a display s...
10/29/1996
5555097Television-integrated video cassette recorder apparatus
A television-integrated video cassette recorder apparatus comprising a high definition television for receiving a high definition television signal from a broadcasting station, a digital video cassette recorder for recording and playing back the high defi...
09/10/1996
5555027Video processor for enlarging and contracting an image in a vertical direction
There is disclosed a video processor capable of arbitrarily expanding or contracting an image in a vertical direction. A horizontal synchronizing signal HS of a video signal CS is inputted to a reference input terminal 63a of a phase comparator 63 of a PL...
09/10/1996
5552834Apparatus for displaying an image in a reduced scale by sampling out an interlace video signal uniformly in a vertical direction without sampling out successive lines
An image reduction apparatus is disclosed which can sample and reduce an interlace video signal such as a digital video signal uniformly in a vertical direction without sampling out successive lines. A non-delayed horizontal synchronizing signal and a del...
09/03/1996
5543835Electronic camera featuring single image processing
An electronic camera includes a memory circuit for storing a video signal representing at least a single image, a signal processing circuit for conducting digital processing in a vertical direction with a predetermined characteristic on the video signal r...
08/06/1996
5519445Television receiver having caption displaying capability
A television received fop supplying video signals to a picture tube so as to display pictures on the screen in a first mode of the normal state and a second mode with the vertical amplitude expanded, includes, a vertical sawtooth waveform generator for ge...
05/21/1996
5493418Processing and printing video images and scanned original image with controlled aspect ratios of video signals
An image processing apparatus can deal with a plurality of kinds of video signals. The apparatus includes a circuit for generating a signal indicating the kind of an input video signal, and magnification varying circuit for varying the aspect ratio of an ...
02/20/1996
5491517System for implanting an image into a video stream
A system and method which mixes images, such as an advertisement, with a video stream of action occurring within a relatively unchanging space, such as a playing field, is disclosed. The system utilizes a model of the background space to change the video ...
02/13/1996
5486870Apparatus for the display of pictures having an aspect ratio 4/3 on a display having an aspect ratio of 16/9
A picture display apparatus adapted to pictures having an aspect ratio 16/9, permitting the simultaneous control of the line length and the vertical spacing of the lines. For the reception of pictures having an aspect ratio 4/3, the two control circuits a...
01/23/1996
5475426Method and apparatus for controlling an electronic zoom system using an image pick-up element
An electronic zoom system comprises a memory, a zoom operation processing circuit having a read/write control circuit for controlling the reading and writing of signals to and from said memory, respectively, and an operation control circuit for controllin...
12/12/1995
5469222Non-linear pixel interpolator function for video and graphic processing
A method and pixel interpolation system for non-linear interpolation of images having a plurality of input pixels and pixel positions. According to a preferred embodiment of the invention, a plurality of pairs of input pixels and a sequence of correspondi...
11/21/1995
5469223Shared line buffer architecture for a video processing circuit
A single line buffer in a motion video card is used for both vertical reduction of the pixel image before storage in a video memory buffer and vertical expansion of the pixel image after being outputted by the video memory buffer. When the desired display...
11/21/1995
5459520Electronic camera with over-sampling filter and method for over-sampling and interpolating electronic camera image data
A method and apparatus for processing image data produced by an electronic camera (such as image data read from a CCD device of an electronic camera) by over-sampling and then interpolating the data to convert the format and/or resolution of the data. The...
10/17/1995
5446804Magnifying digital image using edge mapping
A method of magnifying a digital image based on an edge map. The image has many original pixels, with each pixel having a level, and the locations of the pixels having a resolution. The method to magnify the image includes the steps of producing an edge m...
08/29/1995
5442410Video cassette recorder having variable, high-resolution video screen zooming
A video cassette recorder has a video screen zooming function, capable of zooming an optional region of one of plural still pictures sequentially displayed on a screen, as one picture. A digital signal processing unit converts composite video signals into...
08/15/1995
5436670Image display apparatus wherein the number of characters displayed is the same regardless of the frequency of the input signal
An image display apparatus for displaying an image and characters superposed on the image comprising a synchronizing signal dividing unit for dividing the frequency of an input synchronizing signal to generate a divided synchronizing signal, a character g...
07/25/1995
5428390Apparatus and method for focal plane zoom and pan
The apparatus (10) performs pan and zoom functions in conjunction with an electronic image sensor (18) with an image area (72, 92, 112) in which a plurality of lines and columns of pixel data are generated by impinging light. Pan and zoom commands are gen...
06/27/1995
5422678Video processor for enlarging and contracting an image in a vertical direction
A video processor which is capable of arbitrarily expanding or contracting an image in a vertical direction is described. A horizontal synchronizing signal HS of a video signal CS is inputted to a reference input terminal 63a of a phase comparator 63 of a...
06/06/1995
5420643Chrominance processing system for compressing and expanding video data
A circuit for compressing and expanding video color component data comprises a FIFO line memory and a delay circuit. A timing circuit generates control signals for writing data into the line memory and for reading data from the line memory to compress and...
05/30/1995
5408261Method and apparatus for controlling image communication between a plurality of terminals and an exchange
A method and apparatus for performing image communication between a plurality of terminals are suggested, in which a composing unit is provided for composing a signal transmitted from a predetermined number of terminals at the transmitting side, together ...
04/18/1995
5406334Apparatus and method for producing a zoomed image signal
Apparatus and methods are provided for producing a zoomed image signal from an input image signal. The input image signal is separated into a number of block signals each representing a subarea of the input image. Class codes are produced based on the blo...
04/11/1995
5402513Video window generator with scalable video
A pixel processor is disclosed which is comprised of a video window generator (VWG) (10). VWG (10) utilizes a conversion section for receiving an input video signal in a YUV 422 video format and converting it to an RGB video format. The conversion section...
03/28/1995
5396298Video signal processing apparatus for performing magnification processing
A video signal processing apparatus includes an A/D converter for converting an analog video signal to a digital video signal. Also included is a 3-dimensional scanning line interpolating unit for outputting an original video signal and an interpolating s...
03/07/1995
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