TW556120B - Two-dimensional pyramid filter architecture - Google Patents

Two-dimensional pyramid filter architecture Download PDF

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Publication number
TW556120B
TW556120B TW091104602A TW91104602A TW556120B TW 556120 B TW556120 B TW 556120B TW 091104602 A TW091104602 A TW 091104602A TW 91104602 A TW91104602 A TW 91104602A TW 556120 B TW556120 B TW 556120B
Authority
TW
Taiwan
Prior art keywords
cone
dimensional
order
output signal
filter
Prior art date
Application number
TW091104602A
Other languages
English (en)
Chinese (zh)
Inventor
Tinku Acharya
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
Application filed by Intel Corp filed Critical Intel Corp
Application granted granted Critical
Publication of TW556120B publication Critical patent/TW556120B/zh

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
TW091104602A 2001-04-30 2002-03-12 Two-dimensional pyramid filter architecture TW556120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/846,609 US6725247B2 (en) 2001-04-30 2001-04-30 Two-dimensional pyramid filter architecture

Publications (1)

Publication Number Publication Date
TW556120B true TW556120B (en) 2003-10-01

Family

ID=25298410

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091104602A TW556120B (en) 2001-04-30 2002-03-12 Two-dimensional pyramid filter architecture

Country Status (10)

Country Link
US (2) US6725247B2 (https=)
EP (1) EP1396081B1 (https=)
JP (1) JP4102198B2 (https=)
KR (1) KR100550676B1 (https=)
CN (1) CN1505866A (https=)
AT (1) ATE298471T1 (https=)
AU (1) AU2002256213A1 (https=)
DE (1) DE60204778T2 (https=)
TW (1) TW556120B (https=)
WO (1) WO2002089061A2 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6636167B1 (en) * 2000-10-31 2003-10-21 Intel Corporation Method of generating Huffman code length information
US6563439B1 (en) * 2000-10-31 2003-05-13 Intel Corporation Method of performing Huffman decoding
US6725247B2 (en) * 2001-04-30 2004-04-20 Intel Corporation Two-dimensional pyramid filter architecture
US7433084B2 (en) * 2002-07-01 2008-10-07 Xerox Corporation Digital de-screening technique for scanned documents
US7366746B2 (en) * 2004-02-12 2008-04-29 Xerox Corporation Finite impulse response filter method and apparatus
US7904841B1 (en) 2007-10-12 2011-03-08 Lockheed Martin Corporation Method and system for optimizing digital filters
JP5620829B2 (ja) * 2011-01-11 2014-11-05 キヤノン株式会社 データ処理装置および画像処理装置、並びに、それらの方法
US8737759B2 (en) * 2011-07-01 2014-05-27 Intel Corporation Image blurring by partitioning a non-separable fir filter
US9626749B2 (en) 2014-12-10 2017-04-18 Intel Corporation Sub-pixel modification of digital images by locally shifting to an arbitrarily dense supergrid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359674A (en) 1991-12-11 1994-10-25 David Sarnoff Research Center, Inc. Pyramid processor integrated circuit
US5963675A (en) * 1996-04-17 1999-10-05 Sarnoff Corporation Pipelined pyramid processor for image processing systems
US6018597A (en) * 1997-03-21 2000-01-25 Intermec Ip Corporation Method and apparatus for changing or mapping video or digital images from one image density to another
US6725247B2 (en) * 2001-04-30 2004-04-20 Intel Corporation Two-dimensional pyramid filter architecture

Also Published As

Publication number Publication date
KR100550676B1 (ko) 2006-02-08
JP4102198B2 (ja) 2008-06-18
DE60204778T2 (de) 2006-05-18
AU2002256213A1 (en) 2002-11-11
ATE298471T1 (de) 2005-07-15
DE60204778D1 (de) 2005-07-28
WO2002089061A3 (en) 2003-10-30
CN1505866A (zh) 2004-06-16
KR20040015207A (ko) 2004-02-18
US6725247B2 (en) 2004-04-20
EP1396081B1 (en) 2005-06-22
JP2005505027A (ja) 2005-02-17
EP1396081A2 (en) 2004-03-10
WO2002089061A2 (en) 2002-11-07
US20020194234A1 (en) 2002-12-19
US20040158594A1 (en) 2004-08-12

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