| Patents for G06T 9 - Image coding, e.g. from bit-mapped to non bit-mapped (26,107) |
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| 01/22/1981 | WO1981000180A1 Device for the estimation of image contours and application to the coding of television signals |
| 01/21/1981 | EP0022713A1 Device for coding and decoding a digital videophone signal |
| 01/07/1981 | EP0021948A1 Apparatus for following and recurringly estimating the local state of image contours and application to adaptive prediction for differential encoding of television signals |
| 01/07/1981 | EP0021283A1 Digital data apparatus |
| 01/07/1981 | EP0020466A1 Image coding by selective addition of pseudo-random noise to portions of video signal |
| 12/16/1980 | CA1091810A1 Predictive codec capable of selecting one of at least three prediction signals in two steps |
| 12/09/1980 | US4238768 Picture signal coding apparatus |
| 12/02/1980 | US4237484 Technique for transmitting digital data together with a video signal |
| 11/27/1980 | WO1980002612A1 Process and device for determining the contours inside an image |
| 11/18/1980 | CA1089991A1 Image encoding apparatus |
| 11/18/1980 | CA1089988A1 Apparatus for producing vectors |
| 11/04/1980 | US4232338 Method and apparatus for video signal encoding with motion compensation |
| 11/04/1980 | CA1089088A1 Run length encoding and decoding methods and means |
| 11/04/1980 | CA1089087A1 Run length encoding and decoding methods and means |
| 11/04/1980 | CA1089086A1 Run length encoding and decoding methods and means |
| 10/21/1980 | US4229820 Multistage selective differential pulse code modulation system |
| 10/21/1980 | US4229768 Information processing apparatus |
| 10/14/1980 | US4228467 Reduced redundancy facsimile transmission installation |
| 09/30/1980 | US4225885 Method and apparatus for adaptive transform coding of picture signals |
| 09/09/1980 | CA1085514A1 Data compression system |
| 09/02/1980 | CA1085044A1 Composite feedback predictive code communication system for a color tv signal including a carrier chrominance signal |
| 08/12/1980 | US4217609 Adaptive predictive coding system for television signals |
| 07/15/1980 | CA1081790A1 Transmission system with a transmitter and a receiver for signal transmission by means of discrete output values which characterize the tansmitted signqls in time quantizationaand an at least trivalent amplitude quantization |
| 07/09/1980 | EP0013069A1 A data processor and method of processing video information |
| 07/01/1980 | US4210931 Video player and/or recorder with Hadamard transform |
| 06/25/1980 | EP0012632A1 Compression and expansion (quantification) of digital differentially encoded television signals |
| 05/20/1980 | US4204163 Minimum group pulse code modem having shape and amplitude codes |
| 05/06/1980 | US4202011 Television signal coder |
| 04/29/1980 | US4200369 Method and apparatus for compacting and decompacting character data in accordance with a variety of methods |
| 04/22/1980 | US4199815 Typesetter character generating apparatus |
| 04/03/1980 | WO1980000646A1 Image coding by selective addition of pseudo-random noise to portions of video signal |
| 04/01/1980 | US4196448 TV bandwidth reduction system using a hybrid discrete cosine DPCM |
| 03/11/1980 | US4193087 System for automatically digitizing engineering drawings |
| 03/04/1980 | US4191974 Facsimile encoding communication system |
| 03/04/1980 | US4191970 Interframe coder for video signals |
| 02/26/1980 | US4190861 Method and arrangement for redundancy-reducing picture coding |
| 02/19/1980 | US4189711 Multilevel processing of image signals |
| 01/22/1980 | US4185303 Run length encoding of facsimile pictures |
| 01/22/1980 | US4185302 Run length encoding of facsimile signals |
| 01/15/1980 | US4184206 Subpixel X-Y coordinate encoding |
| 12/18/1979 | US4179659 Signal transmission system |
| 11/06/1979 | US4173771 High speed predictive encoding and decoding system for television video signals |
| 10/16/1979 | CA1064618A1 Compression of gray scale imagery to less than one bit per picture element |
| 09/18/1979 | US4168513 Regenerative decoding of binary data using minimum redundancy codes |
| 07/31/1979 | CA1059637A1 Apparatus for cross-array correlation and compression coding between two-dimensional matrices derived from two-valued picture points |
| 07/31/1979 | CA1059636A1 Apparatus and method employing modified zero modulation data code |
| 07/17/1979 | US4161757 Facsimile system |
| 05/30/1979 | EP0002061A1 Scan converter for ultrasonic sector scanner and method |
| 05/29/1979 | US4156880 Method for transmitting a facsimile signal by sequential edge differential coding |
| 05/15/1979 | US4155097 Method and arrangement for the redundancy-reducing coding of pictures |
| 05/01/1979 | US4152697 Parallel run-length decoder |
| 04/24/1979 | US4151421 Method for compressing pattern data and data compression processing circuit for radiant beam exposure apparatuses |
| 03/13/1979 | US4144547 Apparatus and method for encoding halftone and line copy data |
| 03/13/1979 | US4144543 Predictive codec capable of selecting one of at least three prediction signals in two steps |
| 03/06/1979 | US4143401 System for generating line drawing of a scanned image |
| 02/20/1979 | US4141034 Digital encoding of color video signals |
| 01/23/1979 | US4136363 Truncated run length encoding |
| 01/16/1979 | US4135214 Method and apparatus for compressing facsimile transmission data |
| 01/09/1979 | US4134134 Apparatus for picture processing |
| 01/09/1979 | US4134133 Method for interline-coding facsimile signal |
| 01/02/1979 | US4133006 Predictive encoder or decoder with selection of one of two or more prediction signals according to prediction error signal amplitudes |
| 11/14/1978 | US4125861 Video signal encoding |
| 11/14/1978 | US4125856 Digital encoding and decoding of color video signals |
| 11/14/1978 | CA1042553A2 Apparatus for data compression encoding and decoding |
| 11/07/1978 | US4124870 Method for improving print quality of coarse-scan/fine-print character reproduction |
| 11/07/1978 | CA1042097A1 Interframe coding system with automatic control of magnitude of interframe difference signal |
| 10/24/1978 | CA1040850A1 Method of and apparatus for inspecting the contours of moving bent articles |
| 10/17/1978 | US4121259 Method for digital run-length coding with redundance reduction for transmission of binarily coded picture informations |
| 09/19/1978 | US4115815 Facsimile signal coding method |
| 09/12/1978 | CA1038499A1 Apparatus for data compression encoding and decoding |
| 08/15/1978 | US4107669 Apparatus for analog to digital conversion |
| 08/15/1978 | US4107648 Scan encoding of two dimensional pictorial entities |
| 07/25/1978 | US4103287 Variable length codes for high quality image encoding |
| 07/04/1978 | US4099122 Transmission system by means of time quantization and trivalent amplitude quantization |
| 06/27/1978 | US4097903 Facsimile signal coding system |
| 06/20/1978 | US4096526 Run length encoding and decoding methods and means |
| 06/20/1978 | US4096520 Run length encoding and decoding methods and means |
| 05/30/1978 | US4092677 Truncated run length encoding for fractionally difference modulated video signals |
| 05/30/1978 | US4092676 Block length multiple plus run length residue codes for run length encoding |
| 05/30/1978 | US4092675 Truncated run length encoding with a modular variable length code format |
| 05/30/1978 | US4092665 Method and means for extracting variable length data from fixed length bytes |
| 05/23/1978 | US4091424 Facsimile compression system |
| 05/02/1978 | US4087788 Data compression system |
| 02/28/1978 | US4077053 Television signal encoder utilizing a correlation between frames |
| 02/21/1978 | US4075655 Composite feedback predictive code communication system for a color tv signal including a carrier chrominance signal |
| 01/31/1978 | US4071842 Apparatus for analog to digital conversion |
| 01/24/1978 | US4070694 Picture image information band compression and transmission system |
| 01/10/1978 | US4068224 Compressed information storage for characters consisting of black and white areas which are to be displayed or printed |
| 11/01/1977 | US4056828 Run length encoding and decoding methods and means |
| 10/11/1977 | US4053930 Method and device for coding compressing video information |
| 09/27/1977 | US4051530 Frame-to-frame coding system |
| 06/07/1977 | US4028731 Apparatus for compression coding using cross-array correlation between two-dimensional matrices derived from two-valued digital images |
| 04/26/1977 | US4020463 Apparatus and a method for storage and retrieval of image patterns |
| 04/26/1977 | US4020462 Method and apparatus for form removal from contour compressed image data |
| 04/12/1977 | US4017849 Apparatus for analog to digital conversion |
| 03/08/1977 | US4011399 Photographic image pick-up and coding system of run-length type |
| 01/25/1977 | US4005411 Compression of gray scale imagery to less than one bit per picture element |
| 11/30/1976 | US3995264 Apparatus for encoding and decoding binary data in a modified zero modulation data code |
| 10/19/1976 | US3987412 Method and apparatus for image data compression utilizing boundary following of the exterior and interior borders of objects |
| 10/05/1976 | US3984833 Apparatus for encoding extended run-length codes |