GB2287335B - Discrete cosine transform system - Google Patents

Discrete cosine transform system

Info

Publication number
GB2287335B
GB2287335B GB9508722A GB9508722A GB2287335B GB 2287335 B GB2287335 B GB 2287335B GB 9508722 A GB9508722 A GB 9508722A GB 9508722 A GB9508722 A GB 9508722A GB 2287335 B GB2287335 B GB 2287335B
Authority
GB
United Kingdom
Prior art keywords
discrete cosine
cosine transform
transform system
discrete
transform
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.)
Expired - Fee Related
Application number
GB9508722A
Other versions
GB9508722D0 (en
GB2287335A (en
Inventor
Michael Keith
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.)
Intel Corp
Original Assignee
Intel 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
Priority claimed from US07/796,317 external-priority patent/US5285402A/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of GB9508722D0 publication Critical patent/GB9508722D0/en
Publication of GB2287335A publication Critical patent/GB2287335A/en
Application granted granted Critical
Publication of GB2287335B publication Critical patent/GB2287335B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB9508722A 1991-11-22 1992-10-19 Discrete cosine transform system Expired - Fee Related GB2287335B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/796,317 US5285402A (en) 1991-11-22 1991-11-22 Multiplyless discrete cosine transform
GB9221922A GB2261969B (en) 1991-11-22 1992-10-19 Multiplyless discrete cosine transform

Publications (3)

Publication Number Publication Date
GB9508722D0 GB9508722D0 (en) 1995-06-14
GB2287335A GB2287335A (en) 1995-09-13
GB2287335B true GB2287335B (en) 1995-11-22

Family

ID=26301818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9508722A Expired - Fee Related GB2287335B (en) 1991-11-22 1992-10-19 Discrete cosine transform system

Country Status (1)

Country Link
GB (1) GB2287335B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152772A (en) * 1974-08-29 1979-05-01 The United States Of America As Represented By The Secretary Of The Navy Apparatus for performing a discrete cosine transform of an input signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152772A (en) * 1974-08-29 1979-05-01 The United States Of America As Represented By The Secretary Of The Navy Apparatus for performing a discrete cosine transform of an input signal

Also Published As

Publication number Publication date
GB9508722D0 (en) 1995-06-14
GB2287335A (en) 1995-09-13

Similar Documents

Publication Publication Date Title
GB2261969B (en) Multiplyless discrete cosine transform
GB2253770B (en) Radiotelephony system
GB2277461B (en) Dynamic filter system
EP0514043A3 (en) Computing system
GB9102585D0 (en) Radar system
GB9123759D0 (en) Drainage system
EP0590790A3 (en) Modified DCT signal transforming system.
EP0497622A3 (en) Multiplying system
EP0650128A3 (en) Discrete cosine transform processor.
GB2307066B (en) Apparatus for two-dimensional discrete cosine transform
EP0557204A3 (en) Discrete cosine transform apparatus and inverse discrete cosine transform apparatus
EP0696002A3 (en) Two-dimensional discrete cosine transform computing circuit
EP0655694A3 (en) Discrete cosine transform processor.
GB9111233D0 (en) Answering system
GB2258012B (en) Engine system
HUT62971A (en) Identification-bearing locking system
GB9112562D0 (en) Tuned intake system
EP0634726A3 (en) Inverse discrete cosine transformer.
GB2287335B (en) Discrete cosine transform system
GB9223167D0 (en) Cenveyor system
GB9210608D0 (en) Binding system
IL100983A0 (en) Entomopoxvirus expression system
GB2284081B (en) Computing system
GB9124738D0 (en) Locking system
AU612961B3 (en) Discrete cosine transform analog speech scrambling system

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961019