GB2493396B - Multidimensional sampled-signal filter - Google Patents

Multidimensional sampled-signal filter

Info

Publication number
GB2493396B
GB2493396B GB1113569.6A GB201113569A GB2493396B GB 2493396 B GB2493396 B GB 2493396B GB 201113569 A GB201113569 A GB 201113569A GB 2493396 B GB2493396 B GB 2493396B
Authority
GB
United Kingdom
Prior art keywords
multidimensional
sampled
signal filter
filter
signal
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
GB1113569.6A
Other versions
GB2493396A (en
GB201113569D0 (en
Inventor
James Knee Michael
Weston Martin
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.)
Snell Advanced Media Ltd
Original Assignee
Snell Advanced Media Ltd
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 Snell Advanced Media Ltd filed Critical Snell Advanced Media Ltd
Priority to GB1113569.6A priority Critical patent/GB2493396B/en
Publication of GB201113569D0 publication Critical patent/GB201113569D0/en
Publication of GB2493396A publication Critical patent/GB2493396A/en
Application granted granted Critical
Publication of GB2493396B publication Critical patent/GB2493396B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0202—Two or more dimensional filters; Filters for complex signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0227—Measures concerning the coefficients
    • H03H17/0229—Measures concerning the coefficients reducing the number of taps
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Image Processing (AREA)
GB1113569.6A 2011-08-05 2011-08-05 Multidimensional sampled-signal filter Expired - Fee Related GB2493396B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1113569.6A GB2493396B (en) 2011-08-05 2011-08-05 Multidimensional sampled-signal filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1113569.6A GB2493396B (en) 2011-08-05 2011-08-05 Multidimensional sampled-signal filter

Publications (3)

Publication Number Publication Date
GB201113569D0 GB201113569D0 (en) 2011-09-21
GB2493396A GB2493396A (en) 2013-02-06
GB2493396B true GB2493396B (en) 2018-08-08

Family

ID=44735528

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1113569.6A Expired - Fee Related GB2493396B (en) 2011-08-05 2011-08-05 Multidimensional sampled-signal filter

Country Status (1)

Country Link
GB (1) GB2493396B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502047B (en) 2012-04-04 2019-06-05 Snell Advanced Media Ltd Video sequence processing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479926A (en) * 1995-03-10 1996-01-02 Acuson Corporation Imaging system display processor
US6249608B1 (en) * 1996-12-25 2001-06-19 Hitachi, Ltd. Template matching image processor utilizing sub image pixel sums and sum of squares thresholding
US6484191B1 (en) * 1999-07-02 2002-11-19 Aloka Co., Ltd. Apparatus and method for the real-time calculation of local variance in images
US7149364B2 (en) * 2003-01-31 2006-12-12 Fujitsu Limited Mean filter device and filtering method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479926A (en) * 1995-03-10 1996-01-02 Acuson Corporation Imaging system display processor
US6249608B1 (en) * 1996-12-25 2001-06-19 Hitachi, Ltd. Template matching image processor utilizing sub image pixel sums and sum of squares thresholding
US6484191B1 (en) * 1999-07-02 2002-11-19 Aloka Co., Ltd. Apparatus and method for the real-time calculation of local variance in images
US7149364B2 (en) * 2003-01-31 2006-12-12 Fujitsu Limited Mean filter device and filtering method

Also Published As

Publication number Publication date
GB2493396A (en) 2013-02-06
GB201113569D0 (en) 2011-09-21

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Legal Events

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

Effective date: 20190805