IT1171789B - Sistema di matrizzazione digitale - Google Patents
Sistema di matrizzazione digitaleInfo
- Publication number
- IT1171789B IT1171789B IT23537/83A IT2353783A IT1171789B IT 1171789 B IT1171789 B IT 1171789B IT 23537/83 A IT23537/83 A IT 23537/83A IT 2353783 A IT2353783 A IT 2353783A IT 1171789 B IT1171789 B IT 1171789B
- Authority
- IT
- Italy
- Prior art keywords
- matrization
- digital
- matrization system
- digital matrization
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/67—Circuits for processing colour signals for matrixing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
- G06F1/035—Reduction of table size
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/437,263 US4507676A (en) | 1982-10-28 | 1982-10-28 | Digital matrixing system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8323537A0 IT8323537A0 (it) | 1983-10-28 |
IT1171789B true IT1171789B (it) | 1987-06-10 |
Family
ID=23735726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23537/83A IT1171789B (it) | 1982-10-28 | 1983-10-28 | Sistema di matrizzazione digitale |
Country Status (10)
Country | Link |
---|---|
US (1) | US4507676A (it) |
JP (1) | JPS59108146A (it) |
KR (1) | KR840006592A (it) |
AU (1) | AU560272B2 (it) |
CA (1) | CA1191960A (it) |
DE (1) | DE3339029A1 (it) |
ES (1) | ES8502303A1 (it) |
FR (1) | FR2535567A1 (it) |
GB (1) | GB2131579B (it) |
IT (1) | IT1171789B (it) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4602276A (en) * | 1984-04-12 | 1986-07-22 | Rca Corporation | Digital signal level overload system |
US4683490A (en) * | 1985-06-05 | 1987-07-28 | Rca Corporation | Video signal processing apparatus |
JPS62256129A (ja) * | 1986-04-30 | 1987-11-07 | Sony Corp | 演算処理装置 |
JP2569691B2 (ja) * | 1988-02-16 | 1997-01-08 | ソニー株式会社 | 色差信号形成回路 |
US5008739A (en) * | 1989-02-13 | 1991-04-16 | Eastman Kodak Company | Real-time digital processor for producing full resolution color signals from a multi-color image sensor |
US5001663A (en) * | 1989-05-03 | 1991-03-19 | Eastman Kodak Company | Programmable digital circuit for performing a matrix multiplication |
JP2938115B2 (ja) * | 1990-02-09 | 1999-08-23 | 三菱電機株式会社 | 色信号変換回路 |
US5664028A (en) * | 1990-04-19 | 1997-09-02 | Ricoh Corporation | Apparatus and method for compressing still images |
US5129015A (en) * | 1990-04-19 | 1992-07-07 | Ricoh Company Ltd. | Apparatus and method for compressing still images without multiplication |
US5594812A (en) * | 1990-04-19 | 1997-01-14 | Ricoh Corporation | Apparatus and method for compressing still images |
US5319724A (en) * | 1990-04-19 | 1994-06-07 | Ricoh Corporation | Apparatus and method for compressing still images |
JPH04283831A (ja) * | 1991-03-13 | 1992-10-08 | Fujitsu Ltd | 除算器 |
ATE186438T1 (de) * | 1991-07-05 | 1999-11-15 | Thomson Multimedia Sa | Schaltung zur umwandlung von rgb-signalen in komponentensignale |
US5625713A (en) * | 1991-08-09 | 1997-04-29 | Ricoh Corporation | Apparatus and method for increasing the throughput of an acoustic or image compression system |
US5260888A (en) * | 1992-05-28 | 1993-11-09 | Eastman Kodak Company | Shift and add digital signal processor |
US5510852A (en) * | 1994-04-28 | 1996-04-23 | Winbond Electronics, Corp. | Method and apparatus using symmetrical coding look-up tables for color space conversion |
US5784050A (en) * | 1995-11-28 | 1998-07-21 | Cirrus Logic, Inc. | System and method for converting video data between the RGB and YUV color spaces |
JP3435961B2 (ja) * | 1996-02-16 | 2003-08-11 | ヤマハ株式会社 | 画像データ変換装置および画像データ変換方法 |
US5990876A (en) * | 1996-12-10 | 1999-11-23 | Winbond Electronics Corp. | Method and apparatus with reduced look-up tables for converting RGB color space signals to YCbCr color space signals |
US5963263A (en) * | 1997-06-10 | 1999-10-05 | Winbond Electronic Corp. | Method and apparatus requiring fewer number of look-up tables for converting luminance-chrominance color space signals to RGB color space signals |
US6075573A (en) * | 1997-06-10 | 2000-06-13 | Winbond Electronics Corp. | Method and apparatus for converting luminance-chrominance color space signals to RGB color space signals using shared predictive and compensative transformation codes for chrominance components |
US6049399A (en) | 1997-11-04 | 2000-04-11 | Winbond Electronics Corp. | Method and apparatus with reduced look-up tables for converting luminance-chrominance color space signals to RGB color space signals |
DE102004060185B3 (de) * | 2004-12-14 | 2006-05-18 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Durchführung einer Multiplikations- oder Divisionsoperation in einer elektronischen Schaltung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160264A (en) * | 1977-07-01 | 1979-07-03 | Eastman Kodak Company | Matrix compensator for color video signals |
US4208722A (en) * | 1978-01-23 | 1980-06-17 | Data General Corporation | Floating point data processing system |
US4229800A (en) * | 1978-12-06 | 1980-10-21 | American Microsystems, Inc. | Round off correction logic for modified Booth's algorithm |
US4344151A (en) * | 1980-04-21 | 1982-08-10 | Rockwell International Corporation | ROM-Based complex multiplier useful for FFT butterfly arithmetic unit |
US4449194A (en) * | 1981-09-25 | 1984-05-15 | Motorola Inc. | Multiple point, discrete cosine processor |
FR2517915B1 (fr) * | 1981-12-09 | 1986-01-17 | Thomson Brandt | Dispositif de matricage pour camera de television en couleurs et codeur et camera comportant un tel dispositif |
-
1982
- 1982-10-28 US US06/437,263 patent/US4507676A/en not_active Expired - Fee Related
-
1983
- 1983-09-30 CA CA000438173A patent/CA1191960A/en not_active Expired
- 1983-10-27 GB GB08328682A patent/GB2131579B/en not_active Expired
- 1983-10-27 DE DE19833339029 patent/DE3339029A1/de not_active Withdrawn
- 1983-10-27 JP JP58200138A patent/JPS59108146A/ja active Pending
- 1983-10-27 KR KR1019830005076A patent/KR840006592A/ko not_active Application Discontinuation
- 1983-10-27 ES ES526839A patent/ES8502303A1/es not_active Expired
- 1983-10-28 IT IT23537/83A patent/IT1171789B/it active
- 1983-10-28 AU AU20802/83A patent/AU560272B2/en not_active Expired - Fee Related
- 1983-10-28 FR FR8317345A patent/FR2535567A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1191960A (en) | 1985-08-13 |
ES526839A0 (es) | 1984-12-16 |
FR2535567A1 (fr) | 1984-05-04 |
GB8328682D0 (en) | 1983-11-30 |
KR840006592A (ko) | 1984-11-30 |
ES8502303A1 (es) | 1984-12-16 |
GB2131579B (en) | 1986-10-01 |
US4507676A (en) | 1985-03-26 |
AU560272B2 (en) | 1987-04-02 |
IT8323537A0 (it) | 1983-10-28 |
JPS59108146A (ja) | 1984-06-22 |
GB2131579A (en) | 1984-06-20 |
AU2080283A (en) | 1984-05-03 |
DE3339029A1 (de) | 1984-05-03 |
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