Cryptographic method and apparatus for data communication and storage
I present a new method and apparatus to secure data from, among things, eavesdroppers, by encrypting it. The encrypted data can be either transmitted to the destination or stored at a desired location... Read More
Inventors: Shukla, Jayant;, Assignee: |
Visual software engineering system and method for developing visual prototypes and for connecting user code to them
The present invention meets the above-mentioned needs in the art by providing a simple, easy to learn and flexible means of creating graphical user interfaces without knowledge of programming language... Read More
Inventors: Walton, Thomas J.; Fulghum, Kipper K.; Batcha, Thomas R.; Juran, Michael T.; Kuzara, Eric J.; Kraemer, Thomas F.; Johnson, Roy L.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Communication apparatus and method for performing a file transfer operation
It is an object of the present invention to provide a communication apparatus which can solve the above-mentioned problem. It is another object of the present invention to provide a communication appa... Read More
Inventors: Hamada, Noboru; Kadowaki, Shuichi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Media composition system with media consolidation
The media composer according to the invention for editing source material includes apparatus for receiving, digitizing, storing and editing video and audio source material. Computing apparatus manipul... Read More
Inventors: Garmon, Paul D.; Gonsalves, Robert A.; O'Connor, Patrick D.; Reber, Stephen J.; Peters, Eric C.; Rice, Joseph H.; Rawley, Curt A.;, Assignee: Avid Technology, Inc. (Tewksbury, MA) |
Method and apparatus for encoding and decoding
It is a first object of this invention to provide an improved method of efficient encoding. It is a second object of this invention to provide an improved method of decoding. It is a third object of t... Read More
Inventors: Kato, Shiro;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Methods and devices for self-correcting video compression
The inventive METHOD AND DEVICES FOR SELF-CORRECTING VIDEO COMPRESSION has as its objects: (a) to more efficiently encode sequences of images, so that less data is needed to transmit or store higher q... Read More
Inventors: Levit, Itzhak;, Assignee: |
System for detecting a video signal image intensity gradient
In accordance with the principles of the present invention, it is herein recognized that it is desirable to provide a system for detecting an image intensity gradient such as a luminance gradient that... Read More
Inventors: Lam, Wai-Man;, Assignee: Thomson Consumer Electronics, Inc. (Indianapolis, IN) |
Predictive video coding using a motion vector updating routine
The present invention discloses an improved method and apparatus for prediction coding with motion estimation, in which the frame-to-frame changes resulting from motion in an image depicted in a video... Read More
Inventors: Ebrahimi, Touradj;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Methods and apparatus for reducing blockiness in decoded video
The present invention provides for methods and apparatus for determining and/or indicating when blockiness reduction techniques should be applied to encoded video images. In accordance with one embodi... Read More
Inventors: Augenbraun, Joseph E.; Boyce, Jill MacDonald;, Assignee: Hitachi America Ltd. (Tarrytown, NY) |
Method for image compression coding in an image transmission system
The object of the present invention is to introduce a new method for image compression coding in an image transmission system, whereby the block size problem can be avoided at least to some extent. An... Read More
Inventors: Virtamo, Jorma; Valli, Seppo;, Assignee: Valtion Teknillinen Tutkimuskeskus (Espoo, FI) |
Method and apparatus for concealing errors in a transmitted video signal
It is, therefore, a primary object of the invention to provide an improved method and apparatus for rectifying channel errors in a transmitted video signal utilizing edge information included therein.... Read More
Inventors: Kim, Jin-Hun;, Assignee: Daewoo Electronics Co., Ltd. (Seoul, KR) |
Method and apparatus for regenerating a modified duobinary signal
OF THE INVENTION It is well known that signals transmitted over a cable pair will suffer considerable degradation with respect to amplitude and delay distortion. The function of a regenerative repeat... Read More
Inventors: Lender, Adam; Olszanski, Henry H.;, Assignee: GTE Automatic Electric Laboratories Incorporated (Northlake, IL) |
DCT transform compression, transmission and recovery of digital color using virtual filtering mechanism
In accordance with the present invention, the benefits of using a model of the human visual system to normalize the transform coefficients of the DCT operator for a monochromatic image are extended to... Read More
Inventors: Daly, Scott J.; Granger, Edward M.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Software video compression for teleconferencing
What is claimed is: 1. A computer-implemented method for producing a video signal for transmission, in a system having a source of a first video signal comprised of sequential frames of signals, compr... Read More
Inventors: Frederick, Ronald A.;, Assignee: Xerox Corporation (Stamford, CT) |
Improved head-up display pitch bar system for aircraft
It is an object of the invention to provide a head-up display system to provide the pilot with very clear analog indications of climb-dive angle which can be immediately appreciated and also to provid... Read More
Inventors: Penwill, John C.;, Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government (Hants, GB2) |
Image data compression transmission method utilizing a synchronization code
Accordingly, a general object of the present invention is to provide a novel and effective image data compression and transmission method which eliminates the problems described above and which are as... Read More
Inventors: Nomizu, Yasuyuki;, Assignee: Ricoh Company, Ltd. (Tokyo, JP) |
Minimum distance storage device
The present invention was made to solve the above-mentioned problems and has as its object the provision of a minimum-distance storage device which is capable of easily generating addresses with no ne... Read More
Inventors: Iwahashi, Hiroyuki;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Apparatus for detecting a chrominance reference burst component to develop a burst gate pulse
The present invention is a burst gate signal generator including a detector responsive to the burst component of composite video for detecting the occurrence of the burst signal and generating a contr... Read More
Inventors: Burrowes, Sherwin D. D.;, Assignee: RCA Corporation (Princeton, NJ) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Parallel encoding/decoding of DCT compression/decompression algorithms
In accordance with the invention, encoding and decoding speed in implementing DCT based algorithms is enhanced by encoding and decoding function units which can operate independently or in parallel. W... Read More
Inventors: Retter, Rafael; Gill, Aharon; Shenberg, Isaac;, Assignee: Zoran Corporation (Santa Clara, CA) |
Remote interactive projector
An interactive projector photographs and stores the image of a document using a conventional CCD camera. The digital image is stored by a processor-based motherboard to an array of image memory. The c... Read More
Inventors: Hinman, Brian L.; Rodman, Jeffrey C.;, Assignee: Polycom, Inc. (San Jose, CA) |
Menu-type multi-channel system having a page up/down mode feature
OF THE PREFERRED EMBODIMENT Multi-channel mode is defined as n PIP sub-screens within a main screen, where each screen data of said PIP sub-screens is fetched from skip memory and displayed on the n ... Read More
Inventors: Chun, Yu J.;, Assignee: SamSung Electronics Co., Ltd. (Kyungki-do, KR) |
Video signal processor
The present invention intends to substantially eliminate the above discussed problems inherent in the prior art video signal processing systems and is aimed at providing an improved video signal proce... Read More
Inventors: Kato, Sumio;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
ISL to TTL translator
According to an aspect of the invention, an ISL clamped NPN transistor and a PNP interface transistor are merged together in a single semiconductive isolation island. The two transistors are laterally... Read More
Inventors: Bellavance, Joseph T.;, Assignee: North American Philips Corp. (Sunnyvale, CA) |
Apparatus for processing image motion compensation information for an image processing system
It is an object of the present invention to provide an apparatus for processing image motion compensation information which can simplify its structure by adding an inputted difference signal data per ... Read More
Inventors: Kim, Si J.;, Assignee: Goldstar Co., Ltd. (Seoul, KR) |
Digital image processor for color image compression
The objects of this invention are accomplished by rearranging the DCT process such that non-trivial multiplications are combined in a single process step. In particular, the DCT equations for the appl... Read More
Inventors: Feig, Ephraim; Linzer, Elliot N.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Line standard conversion circuit
What is claimed is: 1. A line standard conversion circuit for converting an interlaced television signal having a given number of lines per picture into a converted television signal having substantia... Read More
Inventors: van den Avoort, Pieter M.; van Buul, Marinus C. W.;, Assignee: U.S. Philips Corporation (New York, NY) |
SECAM Color identifying circuit
What is claimed is: 1. A colour identifying circuit forming part of a colour decoding system of the SECAM type, the system comprising a so-called "cloche" pulse-shaping filter (2), said identifying ci... Read More
Inventors: Sachs, Jean-Pierre;, Assignee: U.S. Philips Corporation (New York, NY) |
TDM Scheme for digital video processing
FIG. 1 shows a block diagram of a system in accordance with the invention. A video signal source 10 typically comprises a television camera, but can also be a video tape recorder or some other source... Read More
Inventors: Dischert, Robert A.; Williams, Jr., James J.; Reitmeier, Glenn A.;, Assignee: RCA Corporation (New York, NY) |
Voltage controlled resonant transmission semiconductor device
Having thus described our invention, what we claim as new and desire to secure by Letters Patent is: 1. A resonant transmission semiconductor device comprising: a semiconductor crystal having in one f... Read More
Inventors: Fowler, Alan B.; Hartstein, Allan M.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Image Analysis 
