ZA862178B - Digital scaling circuitry with truncation offset compensation - Google Patents

Digital scaling circuitry with truncation offset compensation

Info

Publication number
ZA862178B
ZA862178B ZA862178A ZA862178A ZA862178B ZA 862178 B ZA862178 B ZA 862178B ZA 862178 A ZA862178 A ZA 862178A ZA 862178 A ZA862178 A ZA 862178A ZA 862178 B ZA862178 B ZA 862178B
Authority
ZA
South Africa
Prior art keywords
offset compensation
truncation
scaling circuitry
digital scaling
circuitry
Prior art date
Application number
ZA862178A
Other languages
English (en)
Inventor
Russell Thomas Fling
Original Assignee
Rca Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of ZA862178B publication Critical patent/ZA862178B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters
    • H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures
    • 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
    • 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Analogue/Digital Conversion (AREA)
  • Optical Communication System (AREA)
  • Amplifiers (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Complex Calculations (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electronic Switches (AREA)
ZA862178A 1985-03-25 1986-03-24 Digital scaling circuitry with truncation offset compensation ZA862178B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/715,405 US4727506A (en) 1985-03-25 1985-03-25 Digital scaling circuitry with truncation offset compensation

Publications (1)

Publication Number Publication Date
ZA862178B true ZA862178B (en) 1986-11-26

Family

ID=24873898

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA862178A ZA862178B (en) 1985-03-25 1986-03-24 Digital scaling circuitry with truncation offset compensation

Country Status (15)

Country Link
US (1) US4727506A (xx)
EP (1) EP0196825B1 (xx)
JP (1) JPH0792743B2 (xx)
KR (1) KR950011821B1 (xx)
CN (1) CN1008583B (xx)
AT (1) ATE72078T1 (xx)
AU (1) AU578352B2 (xx)
CA (1) CA1245345A (xx)
DE (1) DE3683518D1 (xx)
DK (1) DK134886A (xx)
ES (1) ES8707641A1 (xx)
FI (1) FI90607C (xx)
HK (1) HK11497A (xx)
SG (1) SG179394G (xx)
ZA (1) ZA862178B (xx)

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JP2953052B2 (ja) * 1990-11-30 1999-09-27 ソニー株式会社 デジタル映像信号処理装置
US5218650A (en) * 1991-01-02 1993-06-08 Ricoh Corporation Quantization method for use in image compression
JPH04332215A (ja) * 1991-05-08 1992-11-19 Matsushita Electric Ind Co Ltd オフセット除去装置
JP3103914B2 (ja) * 1992-08-21 2000-10-30 ソニー株式会社 データの丸め処理回路およびデータの復元回路
DE4408768C1 (de) * 1994-03-15 1995-05-04 Siemens Ag Verfahren zur Filterung einer digitalen Wertefolge mit verbessertem Rauschverhalten und Schaltungsanordnung zur Durchführung des Verfahrens
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AT403969B (de) 1995-12-04 1998-07-27 Ericsson Schrack Aktiengesells Verfahren zur kompression eines analogen signals
US5696710A (en) * 1995-12-29 1997-12-09 Thomson Consumer Electronics, Inc. Apparatus for symmetrically reducing N least significant bits of an M-bit digital signal
JP3183155B2 (ja) * 1996-03-18 2001-07-03 株式会社日立製作所 画像復号化装置、及び、画像復号化方法
US5745700A (en) * 1996-05-13 1998-04-28 International Business Machines Corporation Multi media video matrix address decoder
JPH10224184A (ja) * 1997-02-12 1998-08-21 Nec Corp ディジタルａｆｃ回路
DE69824230T2 (de) * 1997-04-08 2005-07-07 Koninklijke Philips Electronics N.V. Verarbeitungssystem einer verrauschten Bildsequenz und medizinisches Untersuchungsgerät mit einem solchen System
US6037918A (en) * 1998-03-30 2000-03-14 Candescent Technologies, Inc. Error compensator circuits used in color balancing with time multiplexed voltage signals for a flat panel display unit
DE19826252C2 (de) * 1998-06-15 2001-04-05 Systemonic Ag Verfahren zur digitalen Signalverarbeitung
US6301596B1 (en) * 1999-04-01 2001-10-09 Ati International Srl Partial sum filter and method therefore
US6446102B1 (en) * 1999-05-21 2002-09-03 Schneider Automation, Inc. Method and device for high speed scale conversion
US6513055B1 (en) 1999-10-29 2003-01-28 Visteon Global Technologies, Inc. Apparatus and method for data width reduction in automotive systems
US6401107B1 (en) * 1999-11-03 2002-06-04 Motorola, Inc. Method and processor for reducing computational error in a processor having no rounding support
FR2808139B1 (fr) * 2000-04-25 2003-01-03 Saint Louis Inst Procede de filtrage a large dynamique pour filtre numerique recursif implante dans un processeur de signal dsp travaillant avec des nombres entiers
US6883013B1 (en) * 2000-06-30 2005-04-19 Zoran Corporation Control of low frequency noise floor in upsampling
US6718069B2 (en) * 2001-02-22 2004-04-06 Varian Medical Systems, Inc. Method and system for reducing correlated noise in image data
US7174358B2 (en) * 2002-11-15 2007-02-06 Broadcom Corporation System, method, and apparatus for division coupled with truncation of signed binary numbers
US7117209B2 (en) * 2003-03-28 2006-10-03 International Business Machines Corporation Record trimming method, apparatus, and system to improve processing in a sort utility
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US7589326B2 (en) * 2003-10-15 2009-09-15 Varian Medical Systems Technologies, Inc. Systems and methods for image acquisition
US7095028B2 (en) 2003-10-15 2006-08-22 Varian Medical Systems Multi-slice flat panel computed tomography
TWI240220B (en) * 2004-04-26 2005-09-21 Chunghwa Picture Tubes Ltd Image processing method for a TFT LCD
JP2006287634A (ja) * 2005-03-31 2006-10-19 Pioneer Electronic Corp 信号処理装置、信号処理方法およびノイズ低減装置
US20060288063A1 (en) * 2005-06-17 2006-12-21 Arthur Abnous Method and system for high speed precoder design
US20070063981A1 (en) * 2005-09-16 2007-03-22 Galyean Tinsley A Iii System and method for providing an interactive interface
FR2895105A1 (fr) * 2005-12-20 2007-06-22 St Microelectronics Sa Procede pour diviser un nombre par une fraction ayant au numerateur un nombre en forme de puissance de 2
CN101046961B (zh) * 2006-03-31 2011-10-12 北京希格玛和芯微电子技术有限公司 一种基于波形的语音压缩、解压缩方法及电路
US8073283B2 (en) * 2006-04-07 2011-12-06 Mitsubishi Electric Corporation Noise elimination apparatus and noise elimination method
US20080034027A1 (en) * 2006-08-01 2008-02-07 Linfeng Guo Method for reducing round-off error in fixed-point arithmetic
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Also Published As

Publication number Publication date
FI90607C (fi) 1994-02-25
DE3683518D1 (de) 1992-03-05
US4727506A (en) 1988-02-23
FI90607B (fi) 1993-11-15
CN86101813A (zh) 1986-09-24
AU5481086A (en) 1986-10-02
EP0196825B1 (en) 1992-01-22
ES8707641A1 (es) 1987-08-01
CN1008583B (zh) 1990-06-27
KR950011821B1 (ko) 1995-10-10
DK134886A (da) 1986-09-26
EP0196825A3 (en) 1988-06-15
HK11497A (en) 1997-02-05
ATE72078T1 (de) 1992-02-15
FI861122A0 (fi) 1986-03-18
EP0196825A2 (en) 1986-10-08
DK134886D0 (da) 1986-03-24
JPS61224573A (ja) 1986-10-06
SG179394G (en) 1995-05-12
JPH0792743B2 (ja) 1995-10-09
KR860007835A (ko) 1986-10-17
FI861122A (fi) 1986-09-26
AU578352B2 (en) 1988-10-20
CA1245345A (en) 1988-11-22
ES553109A0 (es) 1987-08-01

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