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GB201100727D0 - Digital filter - Google Patents

Digital filter

Info

Publication number
GB201100727D0
GB201100727D0 GBGB1100727.5A GB201100727A GB201100727D0 GB 201100727 D0 GB201100727 D0 GB 201100727D0 GB 201100727 A GB201100727 A GB 201100727A GB 201100727 D0 GB201100727 D0 GB 201100727D0
Authority
GB
United Kingdom
Prior art keywords
digital filter
digital
filter
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.)
Withdrawn
Application number
GBGB1100727.5A
Other versions
GB2487361A (en
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to GB1100727.5A priority Critical patent/GB2487361A/en
Publication of GB201100727D0 publication Critical patent/GB201100727D0/en
Publication of GB2487361A publication Critical patent/GB2487361A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • 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
    • 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
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Image Processing (AREA)
GB1100727.5A 2011-01-17 2011-01-17 A digital interpolating FIR filter using fewer multipliers Withdrawn GB2487361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1100727.5A GB2487361A (en) 2011-01-17 2011-01-17 A digital interpolating FIR filter using fewer multipliers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1100727.5A GB2487361A (en) 2011-01-17 2011-01-17 A digital interpolating FIR filter using fewer multipliers

Publications (2)

Publication Number Publication Date
GB201100727D0 true GB201100727D0 (en) 2011-03-02
GB2487361A GB2487361A (en) 2012-07-25

Family

ID=43736522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1100727.5A Withdrawn GB2487361A (en) 2011-01-17 2011-01-17 A digital interpolating FIR filter using fewer multipliers

Country Status (1)

Country Link
GB (1) GB2487361A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108702143A (en) * 2016-07-21 2018-10-23 微晶片科技德国公司 Digital filter with confidence level input

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0377418A (en) * 1989-08-18 1991-04-03 Mitsubishi Electric Corp digital filter
WO1994022218A1 (en) * 1993-03-23 1994-09-29 Sony Corporation Rate converter and imaging apparatus
US5903232A (en) * 1997-10-03 1999-05-11 Motorola Inc. Apparatus and method for sampling rate conversion with rational factors
US6427157B1 (en) * 1998-07-31 2002-07-30 Texas Instruments Incorporated Fir filter structure with time- varying coefficients and filtering method for digital data scaling
US6788738B1 (en) * 1999-05-07 2004-09-07 Xilinx, Inc. Filter accelerator for a digital signal processor
JP4957194B2 (en) * 2006-11-09 2012-06-20 横河電機株式会社 Decimation filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108702143A (en) * 2016-07-21 2018-10-23 微晶片科技德国公司 Digital filter with confidence level input
CN108702143B (en) * 2016-07-21 2023-08-01 微晶片科技德国公司 Digital filter with confidence input

Also Published As

Publication number Publication date
GB2487361A (en) 2012-07-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)