Patents
Patents for G06T 9 - Image coding, e.g. from bit-mapped to non bit-mapped (26,107)
09/1988
09/20/1988US4772889 Device for calculating a discrete fourier transform and its application to pulse compression in a radar system
09/20/1988US4772875 Intrusion detection system
09/14/1988EP0282135A1 Television system in which digitalised picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station
09/13/1988US4771474 Apparatus for processing character or pictorial image data
09/13/1988US4771469 Means and method of representing an object shape by hierarchical boundary decomposition
09/13/1988US4771439 Differential coding circuit with reduced critical path applicable to DPCM
09/13/1988CA1242023A1 Video signal compressing and coding apparatus
09/07/1988EP0224583A4 Apparatus for adapting a digitized signal processing system for block processing with minimal blocking artifacts.
09/06/1988US4769826 Video encoding apparatus
09/06/1988US4769716 Facsimile transmission using enhanced symbol prototypes with precalculated front and back white spaces
08/1988
08/31/1988EP0280574A2 Method and apparatus for predictive coding
08/31/1988EP0280314A2 Image signal compressing method by vector quantization
08/31/1988EP0280313A2 Method of compressing image signals by vector quantization
08/24/1988EP0279800A2 Method and means for coding and decoding picture information
08/24/1988EP0279157A2 Method and apparatus for simplifying runlength data from scanning of images
08/24/1988EP0279156A2 Apparatus and method for vectorization of incoming scanned image data
08/23/1988US4766499 Method and apparatus for encoding and decoding dither signals for reproduction of the halftone of a picture
08/16/1988CA1240789A1 Image processing system
08/03/1988EP0276603A1 Digital signal coding and transmission method by way of timed selective refreshing of a vectorial quantizer
08/03/1988EP0276306A1 Intrusion detection system
08/02/1988US4761782 Error correction of digital image data by means of image redundancy
08/02/1988CA1240062A1 Encoder with selective indication of compression encoding and decoder therefor
07/1988
07/26/1988US4760461 Binary data compression and expansion processing apparatus
07/26/1988US4760459 Binary data compression and expansion processing apparatus
07/26/1988CA1239703A1 Method and apparatus for generating a set of signals representing a curve
07/20/1988EP0274861A2 Two-channel coding of digital signals
07/20/1988CN87101244A Pattern processing
07/12/1988US4757383 Method of image signal encoding by orthogonal transformation
07/06/1988CN87108347A 图象显示 Image display
06/1988
06/29/1988EP0272886A2 Image information processing system
06/29/1988EP0272794A1 Pattern processing
06/29/1988EP0272762A2 Method and system for image coding and display
06/29/1988EP0272505A2 Adaptive graylevel image compression system
06/28/1988US4754492 Method and system for adapting a digitized signal processing system for block processing with minimal blocking artifacts
06/28/1988US4754491 Cosine transform computing devices, and image coding devices and decoding devices comprising such computing devices
06/28/1988US4754487 Picture storage and retrieval system for various limited storage mediums
06/28/1988US4754336 Picture data communication system with scanning pattern change
06/21/1988US4752827 Method and device for the numerical coding of an image, more particularly a television image
06/14/1988US4751587 Image recording and reproducing apparatus using differential data compression and expansion techniques
06/08/1988EP0270405A1 Method and device for the reduction of noise generated by a digital picture coder/decoder which operates in blocks
06/07/1988US4749983 Compression of multilevel signals
06/02/1988WO1988004084A1 Pattern processing
05/1988
05/31/1988US4748503 Data reduction circuit with a differential pulse code modulator for video signals
05/31/1988US4748443 Method and apparatus for generating data for a skeleton pattern of a character and/or a painted pattern of the character
05/18/1988EP0267581A2 Moving image signal coding system
05/18/1988EP0267579A2 Image coding system capable of monitoring an amount of information by forming a histogram
05/18/1988EP0267571A2 Apparatus for processing halftone image
05/17/1988US4745473 Hybrid image compression system
05/11/1988DE3638127A1 Method for reducing the bit rate
05/10/1988US4743959 High resolution color video image acquisition and compression system
05/05/1988WO1988003346A1 Method and device for reducing the noise generated by a digital image coder/decoder operating by blocks
05/04/1988EP0266049A2 Coding system for reducing redundancy
05/03/1988US4742391 DPCM video signal compression and transmission system and method
04/1988
04/26/1988CA1235794A1 Inter-frame coding apparatus for video signal
04/21/1988WO1988002975A1 Amplitude-adapted vector quantizer
04/20/1988EP0263950A2 Method for facsimile transmission and compression
04/20/1988CN87106840A Method of and circuit arrangement for bitrute reduction
04/19/1988CA1235533A1 Color video system using data compression and decompression
04/13/1988EP0263584A2 Scan-in polygonal extraction of video images
04/07/1988WO1988000747A3 Intrusion detection system
04/06/1988EP0262555A2 Circuit for the dicrete cosine transform
04/05/1988CA1234914A1 Sync pattern encoding system for data sectors written on a storage medium
03/1988
03/30/1988EP0261561A1 High resolution color video image aquisition and compression system
03/29/1988US4734767 Encoder capable of faithfully and adaptively encoding a moving image
03/24/1988WO1988002153A1 Curve producing method
03/24/1988DE3631252A1 Method for reducing bit rates
03/23/1988EP0260748A2 Bitrate reduction method and circuitry
03/23/1988EP0260721A1 Method and apparatus for coding motion image signal
03/23/1988EP0260462A2 Arithmetic coding for data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decoders
03/23/1988EP0260461A2 Arithmetic coding encoding and decoding method
03/16/1988EP0259902A1 Coding device with differential pulse code modulation, associated decoding device and transmission system comprising at least such a coding or decoding device
03/15/1988CA1234213A1 Interframe encoding system having a buffer simulator
03/09/1988EP0258367A1 Apparatus for encoding a television signal to be transmitted.
03/08/1988US4730223 Method of converting a digital data signal having a first length into a digital data signal having a second length
03/01/1988US4729034 Method and apparatus for selection of a coding reference line for two-dimensional coding of image data representing screened images
02/1988
02/25/1988WO1988001414A1 Data decompression using a polynomial computation engine
02/23/1988US4727421 Method of coding picture signal and picture coding/decoding apparatus utilizing the same
02/23/1988US4727354 System for selecting best fit vector code in vector quantization encoding
02/16/1988US4725885 Adaptive graylevel image compression system
02/16/1988US4725815 Method for encoding and decoding a digital image
02/09/1988US4724483 Information compressing method and apparatus
02/03/1988EP0255419A1 Method for extracting and modeling the contours in an image and device for implementing this method
02/02/1988US4723161 Method and arrangement of coding digital image signals utilizing interframe correlation
02/02/1988CA1232356A1 Method for converting a bit map of an image to run a length or run end representation
01/1988
01/28/1988WO1988000747A2 Intrusion detection system
01/20/1988EP0253326A2 Method and apparatus for encoding and decoding dither signals for reproduction of the halftone of a picture
01/19/1988US4720743 Predictine coding/decoding system for block-formed picture signals
01/19/1988CA1231790A1 High speed image generation of complex solid objects using octree encoding
01/13/1988CN87103561A Image display
01/12/1988US4719451 In a video digital imaging system
01/05/1988US4717962 Method for compressing and reconstructing a data representation of a picture
12/1987
12/29/1987US4716471 Data decoding apparatus
12/29/1987US4716467 Speed-up method and apparatus for two-dimensional facsimile coding and decoding
12/23/1987DE3620424A1 Hybrid coder
12/16/1987EP0249106A2 Asymmetric rll coding
12/16/1987EP0249086A2 Method and apparatus for encoding/transmitting image
12/16/1987CN87104093A Devices for computing monodimentional cosine transforms and image coding device and decoding device ineluding such computation devices
12/09/1987EP0248729A1 Monodimensional cosine transform calculators and image coding and decoding devices using such calculators
12/09/1987EP0248002A1 Method and apparatus for detecting the most powerfully changed picture areas in a live video signal
12/09/1987CN87101996A Data compression using block list transform