CA2145365A1 - Method for Accessing Banks of DRAM - Google Patents

Method for Accessing Banks of DRAM

Info

Publication number
CA2145365A1
CA2145365A1 CA2145365A CA2145365A CA2145365A1 CA 2145365 A1 CA2145365 A1 CA 2145365A1 CA 2145365 A CA2145365 A CA 2145365A CA 2145365 A CA2145365 A CA 2145365A CA 2145365 A1 CA2145365 A1 CA 2145365A1
Authority
CA
Canada
Prior art keywords
cell
bank
data words
banks
pixels
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2145365A
Other languages
French (fr)
Other versions
CA2145365C (en
Inventor
Anthony M. Jones
Donald W. W. Patterson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chartoleaux KG LLC
Original Assignee
Discovision Associates
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
Priority claimed from GB9405914A external-priority patent/GB9405914D0/en
Priority claimed from GB9415391A external-priority patent/GB9415391D0/en
Priority claimed from GB9503964A external-priority patent/GB2287808B/en
Application filed by Discovision Associates filed Critical Discovision Associates
Publication of CA2145365A1 publication Critical patent/CA2145365A1/en
Application granted granted Critical
Publication of CA2145365C publication Critical patent/CA2145365C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
    • G11C7/1015—Read-write modes for single port memories, i.e. having either a random port or a serial port
    • G11C7/1042—Read-write modes for single port memories, i.e. having either a random port or a serial port using interleaving techniques, i.e. read-write of one part of the memory while preparing another part
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0207—Addressing or allocation; Relocation with multidimensional access, e.g. row/column, matrix
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/04—Addressing variable-length words or parts of words
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
    • G06F12/0607—Interleaved addressing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/408—Address circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/409—Read-write [R-W] circuits 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Abstract

This invention discloses a method for accessing Dynamic Random Access Memory (DRAM) to store and retrieve data words associated with a two dimensional image. The DRAM
includes two separate banks, a first bank and a second bank.
Each bank is capable of operating in page mode to read and write the data words. The two dimensional image is organized in a two dimensional grid pattern of cells, each cell containing an M by N matrix of pixels. The words associated with each cell occupy one page or less of a bank. Each cell is assigned a particular one of the two banks so that all data words associated with that particular cell are read from and written to one particular page of that particular bank. The assignment of banks to cells is done such that each cell is associated with a different bank than any bordering cell which is also either in the same row or in the same column. There is then read the data words associated with a cell that is composed of a matrix of pixels and is not aligned with the two dimensional grid pattern, but is aligned with pixels in cells in the two dimensional grid pattern.
CA002145365A 1994-03-24 1995-03-23 Method for accessing banks of dram Expired - Lifetime CA2145365C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB9405914A GB9405914D0 (en) 1994-03-24 1994-03-24 Video decompression
GB9405914.4 1994-03-24
GB9415391A GB9415391D0 (en) 1994-07-29 1994-07-29 Method for accessing banks of dram
GB9415391.3 1995-02-28
GB9503964.0 1995-02-28
GB9503964A GB2287808B (en) 1994-03-24 1995-02-28 Method and apparatus for interfacing with ram

Publications (2)

Publication Number Publication Date
CA2145365A1 true CA2145365A1 (en) 1995-09-25
CA2145365C CA2145365C (en) 1999-04-27

Family

ID=27267121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002145365A Expired - Lifetime CA2145365C (en) 1994-03-24 1995-03-23 Method for accessing banks of dram

Country Status (2)

Country Link
US (2) US6018354A (en)
CA (1) CA2145365C (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355450A (en) 1992-04-10 1994-10-11 Avid Technology, Inc. Media composer with adjustable source material compression
CA2145365C (en) * 1994-03-24 1999-04-27 Anthony M. Jones Method for accessing banks of dram
US6803917B2 (en) * 2001-02-15 2004-10-12 Sony Corporation Checkerboard buffer using memory bank alternation
US6850241B2 (en) * 2001-02-15 2005-02-01 Sony Corporation Swapped pixel pages
US7038691B2 (en) * 2001-02-15 2006-05-02 Sony Corporation Two-dimensional buffer pages using memory bank alternation
US7088369B2 (en) * 2001-02-15 2006-08-08 Sony Corporation Checkerboard buffer using two-dimensional buffer pages and using bit-field addressing
US7379069B2 (en) * 2001-02-15 2008-05-27 Sony Corporation Checkerboard buffer using two-dimensional buffer pages
US7205993B2 (en) * 2001-02-15 2007-04-17 Sony Corporation Checkerboard buffer using two-dimensional buffer pages and using memory bank alternation
US6765580B2 (en) * 2001-02-15 2004-07-20 Sony Corporation Pixel pages optimized for GLV
US6795079B2 (en) * 2001-02-15 2004-09-21 Sony Corporation Two-dimensional buffer pages
US6828977B2 (en) * 2001-02-15 2004-12-07 Sony Corporation Dynamic buffer pages
US6992674B2 (en) * 2001-02-15 2006-01-31 Sony Corporation Checkerboard buffer using two-dimensional buffer pages and using state addressing
US20030058368A1 (en) * 2001-09-24 2003-03-27 Mark Champion Image warping using pixel pages
PT2088779E (en) * 2003-07-03 2011-03-07 Panasonic Corp Reproduction apparatus, reproduction method, recording medium, recording apparatus and recording method
KR100668302B1 (en) 2004-07-28 2007-01-12 삼성전자주식회사 Memory mapping apparatus and method for video decoer/encoder
US7979622B2 (en) * 2005-05-30 2011-07-12 Megachips Corporation Memory access method
EP1958069A2 (en) * 2005-12-01 2008-08-20 Philips Intellectual Property & Standards GmbH Method and arrangement for efficiently accessing matrix elements in a memory
TWI305479B (en) * 2006-02-13 2009-01-11 Advanced Semiconductor Eng Method of fabricating substrate with embedded component therein
GB0807803D0 (en) * 2008-04-29 2008-06-04 Imagination Tech Ltd An efficient apparatus for fast video edge filitering
US8566515B2 (en) * 2009-01-12 2013-10-22 Maxim Integrated Products, Inc. Memory subsystem
US9478000B2 (en) * 2013-09-27 2016-10-25 Intel Corporation Sharing non-page aligned memory
KR102336666B1 (en) 2017-09-15 2021-12-07 삼성전자 주식회사 Memory device and memory system comprising the same

Family Cites Families (200)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893042A (en) * 1973-12-12 1975-07-01 Us Navy Lock indicator for phase-locked loops
US3962685A (en) * 1974-06-03 1976-06-08 General Electric Company Data processing system having pyramidal hierarchy control flow
GB1532275A (en) * 1976-01-28 1978-11-15 Nat Res Dev Apparatus for controlling raster-scan displays
US4142205A (en) * 1976-07-21 1979-02-27 Nippon Electric Co., Ltd. Interframe CODEC for composite color TV signals comprising means for inverting the polarity of carrier chrominance signals in every other frame or line
JPS53114617A (en) * 1977-03-17 1978-10-06 Toshiba Corp Memory unit for picture processing
US4149242A (en) * 1977-05-06 1979-04-10 Bell Telephone Laboratories, Incorporated Data interface apparatus for multiple sequential processors
US4135242A (en) * 1977-11-07 1979-01-16 Ncr Corporation Method and processor having bit-addressable scratch pad memory
US4215369A (en) * 1977-12-20 1980-07-29 Nippon Electric Company, Ltd. Digital transmission system for television video signals
US4196448A (en) * 1978-05-15 1980-04-01 The United States Of America As Represented By The Secretary Of The Navy TV bandwidth reduction system using a hybrid discrete cosine DPCM
US4302775A (en) * 1978-12-15 1981-11-24 Compression Labs, Inc. Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback
GB2039106B (en) 1979-01-02 1983-03-23 Honeywell Inf Systems Number format conversion in computer
JPS6046585B2 (en) 1979-03-06 1985-10-16 株式会社リコー Serial data transmission method
JPS6010458B2 (en) * 1979-08-23 1985-03-18 富士通株式会社 Phase locked loop circuit
GB2059724B (en) 1979-09-28 1984-04-04 Racal Datacom Ltd Data transmission systems
DE3015125A1 (en) * 1980-04-19 1981-10-22 Ibm Deutschland Gmbh, 7000 Stuttgart DEVICE FOR STORING AND DISPLAYING GRAPHIC INFORMATION
US4334246A (en) * 1980-05-16 1982-06-08 Xerox Corporation Data decompressor circuit
JPS6228086Y2 (en) * 1980-12-08 1987-07-18
DE3138897A1 (en) 1981-09-30 1983-04-14 Siemens AG, 1000 Berlin und 8000 München CIRCUIT FOR THE PROCESSING OF STORAGE OPERANDS FOR DECIMAL AND LOGICAL COMMANDS
US4495629A (en) * 1983-01-25 1985-01-22 Storage Technology Partners CMOS scannable latch
US4799677A (en) * 1983-09-02 1989-01-24 Bally Manufacturing Corporation Video game having video disk read only memory
US4540903A (en) * 1983-10-17 1985-09-10 Storage Technology Partners Scannable asynchronous/synchronous CMOS latch
US4598372A (en) * 1983-12-28 1986-07-01 Motorola, Inc. Apparatus and method of smoothing MAPS compressed image data
US4689823A (en) * 1984-01-04 1987-08-25 Itek Corporation Digital image frame processor
US4747070A (en) * 1984-01-09 1988-05-24 Wang Laboratories, Inc. Reconfigurable memory system
US4630198A (en) * 1984-02-21 1986-12-16 Yuan Houng I Intelligent stand-alone printfile buffer with paging control
FR2561011B1 (en) * 1984-03-09 1986-09-12 Cit Alcatel PROCESSOR FOR CALCULATING A DISCRETE INVERSE COSINUS TRANSFORM
US4580066A (en) * 1984-03-22 1986-04-01 Sperry Corporation Fast scan/set testable latch using two levels of series gating with two current sources
US4885786A (en) * 1984-10-24 1989-12-05 International Business Machines Corporation Method for enlarging an image stored in run representation form
US4646151A (en) * 1985-02-01 1987-02-24 General Electric Company Television frame synchronizer with independently controllable input/output rates
JPS61194989A (en) 1985-02-22 1986-08-29 Mitsubishi Electric Corp Still picture transmitter
US4680581A (en) 1985-03-28 1987-07-14 Honeywell Inc. Local area network special function frames
US5233420A (en) 1985-04-10 1993-08-03 The United States Of America As Represented By The Secretary Of The Navy Solid state time base corrector (TBC)
DE3525898A1 (en) * 1985-07-19 1987-01-29 Reinhard Lidzba METHOD FOR COMPRESSING AND DECOMPRESSING SEVERAL STRUCTURE-RELATED DATA SEQUENCES AND DEVICES FOR IMPLEMENTING THE METHOD
JPS62139081A (en) 1985-12-13 1987-06-22 Canon Inc Formation of synthetic image
US4789927A (en) * 1986-04-07 1988-12-06 Silicon Graphics, Inc. Interleaved pipeline parallel processing architecture
JP2500858B2 (en) * 1986-04-11 1996-05-29 インターナショナル・ビジネス・マシーンズ・コーポレーション Display system having extended raster operation circuit
FR2599872B1 (en) * 1986-06-06 1988-07-29 Thomson Csf DEVICES FOR CALCULATING MONO-DIMENSIONAL COSINE TRANSFORMS, AND CODING DEVICE AND IMAGE DECODING DEVICE COMPRISING SUCH COMPUTING DEVICES
US4829465A (en) * 1986-06-19 1989-05-09 American Telephone And Telegraph Company, At&T Bell Laboratories High speed cosine transform
GB8618060D0 (en) 1986-07-24 1986-12-17 Gec Avionics Data processing apparatus
EP0255767A3 (en) 1986-07-31 1990-04-04 AT&T Corp. Selective broadcasting arrangement for local area networks
US4887224A (en) * 1986-08-28 1989-12-12 Canon Kabushiki Kaisha Image data processing apparatus capable of high-speed data encoding and/or decoding
JP2520404B2 (en) * 1986-11-10 1996-07-31 日本電気株式会社 Compression decoding device
NL8700843A (en) * 1987-04-10 1988-11-01 Philips Nv TELEVISION TRANSFER SYSTEM WITH TRANSFORM CODING.
US4975595A (en) * 1987-06-12 1990-12-04 National Semiconductor Corporation Scannable register/latch circuit
JPS6477391A (en) * 1987-09-18 1989-03-23 Victor Company Of Japan System and device for predictive coding
DE3877105D1 (en) * 1987-09-30 1993-02-11 Siemens Ag, 8000 Muenchen, De
US5122873A (en) * 1987-10-05 1992-06-16 Intel Corporation Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
US4785349A (en) * 1987-10-05 1988-11-15 Technology Inc. 64 Digital video decompression system
US4866637A (en) * 1987-10-30 1989-09-12 International Business Machines Corporation Pipelined lighting model processing system for a graphics workstation's shading function
US4823201A (en) * 1987-11-16 1989-04-18 Technology, Inc. 64 Processor for expanding a compressed video signal
US5134697A (en) * 1987-11-16 1992-07-28 Prime Computer Remote memory-mapped display with interactivity determination
FR2625340B1 (en) * 1987-12-23 1990-05-04 Labo Electronique Physique GRAPHIC SYSTEM WITH GRAPHIC CONTROLLER AND DRAM CONTROLLER
EP0321628B1 (en) 1987-12-23 1992-11-04 International Business Machines Corporation Shared memory interface for a data processing system
US4891784A (en) * 1988-01-08 1990-01-02 Hewlett-Packard Company High capacity tape drive transparently writes and reads large packets of blocked data between interblock gaps
GB8805742D0 (en) * 1988-03-10 1988-04-07 Emi Plc Thorn Bandwidth reduction system for television signals
US5724540A (en) * 1988-03-28 1998-03-03 Hitachi, Ltd. Memory system having a column address counter and a page address counter
US5010401A (en) * 1988-08-11 1991-04-23 Mitsubishi Denki Kabushiki Kaisha Picture coding and decoding apparatus using vector quantization
US4991110A (en) * 1988-09-13 1991-02-05 Silicon Graphics, Inc. Graphics processor with staggered memory timing
US4866510A (en) * 1988-09-30 1989-09-12 American Telephone And Telegraph Company Digital video encoder
US5148524A (en) * 1988-11-29 1992-09-15 Solbourne Computer, Inc. Dynamic video RAM incorporating on chip vector/image mode line modification
US5091721A (en) * 1988-12-22 1992-02-25 Hughes Aircraft Company Acoustic display generator
SG126671A1 (en) * 1989-02-10 2006-11-29 Canon Kk Apparatus for image reading or processing
US5060242A (en) * 1989-02-24 1991-10-22 General Electric Company Non-destructive lossless image coder
JP2925157B2 (en) * 1989-02-28 1999-07-28 キヤノン株式会社 Data storage device
JPH02280462A (en) * 1989-04-20 1990-11-16 Fuji Photo Film Co Ltd Picture data compression method
AU612543B2 (en) * 1989-05-11 1991-07-11 Panasonic Corporation Moving image signal encoding apparatus and decoding apparatus
US5172011A (en) * 1989-06-30 1992-12-15 Digital Equipment Corporation Latch circuit and method with complementary clocking and level sensitive scan capability
US5233690A (en) 1989-07-28 1993-08-03 Texas Instruments Incorporated Video graphics display memory swizzle logic and expansion circuit and method
US5257350A (en) 1989-08-10 1993-10-26 Apple Computer, Inc. Computer with self configuring video circuitry
US5151997A (en) * 1989-08-10 1992-09-29 Apple Computer, Inc. Computer with adaptable video circuitry
FR2651402B1 (en) 1989-08-22 1991-10-25 Europ Rech Electr Lab FRAME FREQUENCY AND NUMBER OF LINES CONVERSION DEVICE FOR A HIGH DEFINITION TELEVISION RECEIVER.
US5299025A (en) 1989-10-18 1994-03-29 Ricoh Company, Ltd. Method of coding two-dimensional data by fast cosine transform and method of decoding compressed data by inverse fast cosine transform
US5053985A (en) * 1989-10-19 1991-10-01 Zoran Corporation Recycling dct/idct integrated circuit apparatus using a single multiplier/accumulator and a single random access memory
US5142380A (en) * 1989-10-23 1992-08-25 Ricoh Company, Ltd. Image data processing apparatus
EP0428310A3 (en) * 1989-11-06 1992-08-05 Canon Kabushiki Kaisha Image processing apparatus and image transmitting apparatus
US5057793A (en) * 1989-11-13 1991-10-15 Cowley Nicholas P Frequency synthesizer PLL having digital and analog phase detectors
US5136695A (en) * 1989-11-13 1992-08-04 Reflection Technology, Inc. Apparatus and method for updating a remote video display from a host computer
US5146326A (en) * 1989-11-14 1992-09-08 Fujitsu Limited Coded picture information decoding apparatus having means for improving picture distortion
US5027212A (en) * 1989-12-06 1991-06-25 Videologic Limited Computer based video/graphics display system
US5003204A (en) * 1989-12-19 1991-03-26 Bull Hn Information Systems Inc. Edge triggered D-type flip-flop scan latch cell with recirculation capability
US5287470A (en) 1989-12-28 1994-02-15 Texas Instruments Incorporated Apparatus and method for coupling a multi-lead output bus to interleaved memories, which are addressable in normal and block-write modes
JP2881886B2 (en) * 1989-12-30 1999-04-12 ソニー株式会社 Video signal encoding method and apparatus therefor
US5221966A (en) * 1990-01-17 1993-06-22 Avesco Plc Video signal production from cinefilm originated material
US5107345A (en) * 1990-02-27 1992-04-21 Qualcomm Incorporated Adaptive block size image compression method and system
US5081450A (en) * 1990-03-09 1992-01-14 International Business Machines Corporation Apparatus and method for compressing and expanding multibit digital pixel data
US5191548A (en) * 1990-03-14 1993-03-02 C-Cube Microsystems System for compression and decompression of video data using discrete cosine transform and coding techniques
US5253078A (en) 1990-03-14 1993-10-12 C-Cube Microsystems, Inc. System for compression and decompression of video data using discrete cosine transform and coding techniques
US5136371A (en) * 1990-03-15 1992-08-04 Thomson Consumer Electronics, Inc. Digital image coding using random scanning
US5151875A (en) * 1990-03-16 1992-09-29 C-Cube Microsystems, Inc. MOS array multiplier cell
FR2660138B1 (en) * 1990-03-26 1992-06-12 France Telecom Cnet DEVICE FOR CODING / DECODING IMAGE SIGNALS.
EP0453229B1 (en) * 1990-04-17 1997-06-18 Matsushita Electric Industrial Co., Ltd. Method for transmission of variable length code
US5201056A (en) * 1990-05-02 1993-04-06 Motorola, Inc. RISC microprocessor architecture with multi-bit tag extended instructions for selectively attaching tag from either instruction or input data to arithmetic operation output
US5311309A (en) 1990-06-01 1994-05-10 Thomson Consumer Electronics, Inc. Luminance processing system for compressing and expanding video data
US5179372A (en) * 1990-06-19 1993-01-12 International Business Machines Corporation Video Random Access Memory serial port access
US5247612A (en) 1990-06-29 1993-09-21 Radius Inc. Pixel display apparatus and method using a first-in, first-out buffer
FR2664779B1 (en) 1990-07-13 1993-06-11 Europ Rech Electr Lab PROCESS FOR PROCESSING A VIDEO SIGNAL.
IL98700A (en) 1990-07-13 1994-04-12 Minnesota Mining & Mfg Apparatus and method for assembling a composite image from a plurality of data types
US5174641A (en) * 1990-07-25 1992-12-29 Massachusetts Institute Of Technology Video encoding method for television applications
KR100214435B1 (en) 1990-07-25 1999-08-02 사와무라 시코 Synchronous burst-access memory
US5202847A (en) * 1990-07-31 1993-04-13 Inmos Limited Digital signal processing
US5241658A (en) 1990-08-21 1993-08-31 Apple Computer, Inc. Apparatus for storing information in and deriving information from a frame buffer
US5189526A (en) * 1990-09-21 1993-02-23 Eastman Kodak Company Method and apparatus for performing image compression using discrete cosine transform
US5297271A (en) 1990-09-21 1994-03-22 Chips And Technologies, Inc. Method and apparatus for performing a read-write-modify operation in a VGA compatible controller
US5038209A (en) * 1990-09-27 1991-08-06 At&T Bell Laboratories Adaptive buffer/quantizer control for transform video coders
JPH04142812A (en) 1990-10-04 1992-05-15 Toshiba Corp Phase locked loop circuit
US5130568A (en) * 1990-11-05 1992-07-14 Vertex Semiconductor Corporation Scannable latch system and method
US5229863A (en) * 1990-12-24 1993-07-20 Xerox Corporation High speed CCITT decompressor
JPH04242860A (en) 1990-12-28 1992-08-31 Sony Corp Arithmetic device
US5184124A (en) * 1991-01-02 1993-02-02 Next Computer, Inc. Method and apparatus for compressing and storing pixels
GB2252002B (en) * 1991-01-11 1995-01-04 Sony Broadcast & Communication Compression of video signals
JPH04236664A (en) 1991-01-18 1992-08-25 Sony Corp Arithmetic circuit
US5231605A (en) 1991-01-31 1993-07-27 Micron Technology, Inc. DRAM compressed data test mode with expected data
US5257213A (en) 1991-02-20 1993-10-26 Samsung Electronics Co., Ltd. Method and circuit for two-dimensional discrete cosine transform
US5168356A (en) * 1991-02-27 1992-12-01 General Electric Company Apparatus for segmenting encoded video signal for transmission
US5122875A (en) * 1991-02-27 1992-06-16 General Electric Company An HDTV compression system
US5111292A (en) * 1991-02-27 1992-05-05 General Electric Company Priority selection apparatus as for a video signal processor
US5870497A (en) 1991-03-15 1999-02-09 C-Cube Microsystems Decoder for compressed video signals
JP2866754B2 (en) 1991-03-27 1999-03-08 三菱電機株式会社 Arithmetic processing unit
US5164819A (en) * 1991-04-03 1992-11-17 Music John D Method and system for coding and compressing color video signals
US5287193A (en) 1991-04-10 1994-02-15 Industrial Technology Research Institute Parallel processing architecture of run-length codes
US5457780A (en) 1991-04-17 1995-10-10 Shaw; Venson M. System for producing a video-instruction set utilizing a real-time frame differential bit map and microblock subimages
US5182642A (en) * 1991-04-19 1993-01-26 General Dynamics Lands Systems Inc. Apparatus and method for the compression and transmission of multiformat data
JP3109854B2 (en) 1991-04-23 2000-11-20 キヤノン株式会社 Image coding method and apparatus
US5212549A (en) * 1991-04-29 1993-05-18 Rca Thomson Licensing Corporation Error concealment apparatus for a compressed video signal processing system
US5185819A (en) * 1991-04-29 1993-02-09 General Electric Company Video signal compression apparatus for independently compressing odd and even fields
US5146325A (en) * 1991-04-29 1992-09-08 Rca Thomson Licensing Corporation Video signal decompression apparatus for independently compressed even and odd field data
US5263136A (en) 1991-04-30 1993-11-16 Optigraphics Corporation System for managing tiled images using multiple resolutions
US5212742A (en) 1991-05-24 1993-05-18 Apple Computer, Inc. Method and apparatus for encoding/decoding image data
EP0514663A3 (en) 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
AU657510B2 (en) 1991-05-24 1995-03-16 Apple Inc. Improved image encoding/decoding method and apparatus
US5228098A (en) * 1991-06-14 1993-07-13 Tektronix, Inc. Adaptive spatio-temporal compression/decompression of video image signals
GB2258781B (en) 1991-08-13 1995-05-03 Sony Broadcast & Communication Data compression
US5321806A (en) 1991-08-21 1994-06-14 Digital Equipment Corporation Method and apparatus for transmitting graphics command in a computer graphics system
US5319460A (en) 1991-08-29 1994-06-07 Canon Kabushiki Kaisha Image signal processing device including frame memory
JP2507204B2 (en) 1991-08-30 1996-06-12 松下電器産業株式会社 Video signal encoder
US5168375A (en) * 1991-09-18 1992-12-01 Polaroid Corporation Image reconstruction by use of discrete cosine and related transforms
GB2260053B (en) 1991-09-27 1995-03-08 Sony Broadcast & Communication Image signal processing
US5261047A (en) 1991-10-29 1993-11-09 Xerox Corporation Bus arbitration scheme for facilitating operation of a printing apparatus
US5214507A (en) * 1991-11-08 1993-05-25 At&T Bell Laboratories Video signal quantization for an mpeg like coding environment
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
US5257223A (en) 1991-11-13 1993-10-26 Hewlett-Packard Company Flip-flop circuit with controllable copying between slave and scan latches
US5227878A (en) * 1991-11-15 1993-07-13 At&T Bell Laboratories Adaptive coding and decoding of frames and fields of video
US5237413A (en) 1991-11-19 1993-08-17 Scientific-Atlanta, Inc. Motion filter for digital television system
US5175617A (en) * 1991-12-04 1992-12-29 Vision Applications, Inc. Telephone line picture transmission
US5307180A (en) 1991-12-18 1994-04-26 Xerox Corporation Method and apparatus for controlling the processing of digital image signals
US5241222A (en) 1991-12-20 1993-08-31 Eastman Kodak Company Dram interface adapter circuit
US5517603A (en) 1991-12-20 1996-05-14 Apple Computer, Inc. Scanline rendering device for generating pixel values for displaying three-dimensional graphical images
US5307449A (en) 1991-12-20 1994-04-26 Apple Computer, Inc. Method and apparatus for simultaneously rendering multiple scanlines
US5237432A (en) 1991-12-23 1993-08-17 Xerox Corporation Image scaling apparatus
US5159449A (en) * 1991-12-26 1992-10-27 Workstation Technologies, Inc. Method and apparatus for data reduction in a video image data reduction system
US5446866A (en) 1992-01-30 1995-08-29 Apple Computer, Inc. Architecture for transferring pixel streams, without control information, in a plurality of formats utilizing addressable source and destination channels associated with the source and destination components
JP3323950B2 (en) 1992-03-17 2002-09-09 サン・マイクロシステムズ・インコーポレーテッド Method of performing IDCT in a digital image processing system and IDCT processor therefor
US5293229A (en) 1992-03-27 1994-03-08 Matsushita Electric Corporation Of America Apparatus and method for processing groups of fields in a video data compression system
US5265212A (en) 1992-04-01 1993-11-23 Digital Equipment Corporation Sharing of bus access among multiple state machines with minimal wait time and prioritization of like cycle types
US5253058A (en) 1992-04-01 1993-10-12 Bell Communications Research, Inc. Efficient coding scheme for multilevel video transmission
KR0160610B1 (en) 1992-04-07 1999-01-15 강진구 Method and device for variable length image compression and decompression
US5287420A (en) 1992-04-08 1994-02-15 Supermac Technology Method for image compression on a personal computer
US5283646A (en) 1992-04-09 1994-02-01 Picturetel Corporation Quantizer control method and apparatus
US5384745A (en) 1992-04-27 1995-01-24 Mitsubishi Denki Kabushiki Kaisha Synchronous semiconductor memory device
GB2267194B (en) 1992-05-13 1995-10-04 Sony Broadcast & Communication Apparatus and method for processing image data
US5241383A (en) 1992-05-13 1993-08-31 Bell Communications Research, Inc. Pseudo-constant bit rate video coding with quantization parameter adjustment
US5305438A (en) 1992-05-19 1994-04-19 Sony Electronics Inc. Video storage, processing, and distribution system using recording format independent hierarchical storages and processors
CA2096584A1 (en) 1992-05-28 1993-11-29 Frank H. Liao Variable length code decoder for video decompression operations
US5289577A (en) 1992-06-04 1994-02-22 International Business Machines Incorporated Process-pipeline architecture for image/video processing
US5276513A (en) 1992-06-10 1994-01-04 Rca Thomson Licensing Corporation Implementation architecture for performing hierarchical motion analysis of video images in real time
US5289276A (en) 1992-06-19 1994-02-22 General Electric Company Method and apparatus for conveying compressed video data over a noisy communication channel
JPH0695986A (en) 1992-06-19 1994-04-08 Westinghouse Electric Corp <We> Real-time data imaging network system and operating method thereof
US5276681A (en) 1992-06-25 1994-01-04 Starlight Networks Process for fair and prioritized access to limited output buffers in a multi-port switch
US5828907A (en) 1992-06-30 1998-10-27 Discovision Associates Token-based adaptive video processing arrangement
DE69229338T2 (en) 1992-06-30 1999-12-16 Discovision Ass Data pipeline system
US5253055A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Efficient frequency scalable video encoding with coefficient selection
US5287178A (en) 1992-07-06 1994-02-15 General Electric Company Reset control network for a video signal encoder
US5325092A (en) 1992-07-07 1994-06-28 Ricoh Company, Ltd. Huffman decoder architecture for high speed operation and reduced memory
US5231486A (en) * 1992-07-27 1993-07-27 General Electric Company Data separation processing in a dual channel digital high definition television system
US5278647A (en) 1992-08-05 1994-01-11 At&T Bell Laboratories Video decoder using adaptive macroblock leak signals
FR2695278B1 (en) 1992-08-26 1994-10-14 Euro Cp Sarl Method for exchanging information, in particular between equipment in a room, and functional unit and installation relating thereto.
US5301019A (en) 1992-09-17 1994-04-05 Zenith Electronics Corp. Data compression system having perceptually weighted motion vectors
US5351047A (en) 1992-09-21 1994-09-27 Laboratory Automation, Inc. Data decoding method and apparatus
US5294894A (en) 1992-10-02 1994-03-15 Compaq Computer Corporation Method of and apparatus for startup of a digital computer system clock
US5298992A (en) 1992-10-08 1994-03-29 International Business Machines Corporation System and method for frame-differencing based video compression/decompression with forward and reverse playback capability
US5300949A (en) 1992-10-22 1994-04-05 International Business Machines Corporation Scalable digital video decompressor
US5278520A (en) 1992-10-26 1994-01-11 Codex, Corp. Phase lock detection in a phase lock loop
US5301272A (en) 1992-11-25 1994-04-05 Intel Corporation Method and apparatus for address space aliasing to identify pixel types
JP3255308B2 (en) 1992-12-18 2002-02-12 ソニー株式会社 Data playback device
JP3476231B2 (en) 1993-01-29 2003-12-10 三菱電機エンジニアリング株式会社 Synchronous semiconductor memory device and semiconductor memory device
US5298896A (en) 1993-03-15 1994-03-29 Bell Communications Research, Inc. Method and system for high order conditional entropy coding
US5572691A (en) 1993-04-21 1996-11-05 Gi Corporation Apparatus and method for providing multiple data streams from stored data using dual memory buffers
US5486876A (en) 1993-04-27 1996-01-23 Array Microsystems, Inc. Video interface unit for mapping physical image data to logical tiles
US5448310A (en) 1993-04-27 1995-09-05 Array Microsystems, Inc. Motion estimation coprocessor
EP0625858B1 (en) 1993-05-19 1998-06-24 Alcatel Video server memory management method
US5304953A (en) 1993-06-01 1994-04-19 Motorola, Inc. Lock recovery circuit for a phase locked loop
US5581280A (en) 1993-07-29 1996-12-03 Cirrus Logic, Inc. Video processing apparatus, systems and methods
US5598514A (en) 1993-08-09 1997-01-28 C-Cube Microsystems Structure and method for a multistandard video encoder/decoder
US5561777A (en) 1993-08-30 1996-10-01 Xerox Corporation Process for sequentially reading a page from an image memory in either of two directions
US5568165A (en) 1993-10-22 1996-10-22 Auravision Corporation Video processing technique using multi-buffer video memory
US5398072A (en) 1993-10-25 1995-03-14 Lsi Logic Corporation Management of channel buffer in video decoders
US5446691A (en) * 1994-03-15 1995-08-29 Shablamm! Computer Inc. Interleave technique for accessing digital memory
CA2145365C (en) * 1994-03-24 1999-04-27 Anthony M. Jones Method for accessing banks of dram
CA2145363C (en) 1994-03-24 1999-07-13 Anthony Mark Jones Ram interface
US5495291A (en) 1994-07-22 1996-02-27 Hewlett-Packard Company Decompression system for compressed video data for providing uninterrupted decompressed video data output

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