TWI351223B - System and method for edge direction detection for spatial deinterlace - Google Patents

System and method for edge direction detection for spatial deinterlace

Info

Publication number
TWI351223B
TWI351223B TW096134330A TW96134330A TWI351223B TW I351223 B TWI351223 B TW I351223B TW 096134330 A TW096134330 A TW 096134330A TW 96134330 A TW96134330 A TW 96134330A TW I351223 B TWI351223 B TW I351223B
Authority
TW
Taiwan
Prior art keywords
deinterlace
spatial
direction detection
edge direction
edge
Prior art date
Application number
TW096134330A
Other languages
English (en)
Other versions
TW200908721A (en
Inventor
Ling Hsiu Huang
Sheng Chun Niu
Original Assignee
Himax Tech 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 Himax Tech Ltd filed Critical Himax Tech Ltd
Publication of TW200908721A publication Critical patent/TW200908721A/zh
Application granted granted Critical
Publication of TWI351223B publication Critical patent/TWI351223B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/142—Edging; Contouring
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06T3/403—Edge-driven scaling; Edge-based scaling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Television Systems (AREA)
TW096134330A 2007-08-07 2007-09-14 System and method for edge direction detection for spatial deinterlace TWI351223B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/835,332 US8045820B2 (en) 2007-08-07 2007-08-07 System and method for edge direction detection for spatial deinterlace

Publications (2)

Publication Number Publication Date
TW200908721A TW200908721A (en) 2009-02-16
TWI351223B true TWI351223B (en) 2011-10-21

Family

ID=40346618

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096134330A TWI351223B (en) 2007-08-07 2007-09-14 System and method for edge direction detection for spatial deinterlace

Country Status (3)

Country Link
US (1) US8045820B2 (zh)
CN (1) CN101365051B (zh)
TW (1) TWI351223B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10264212B1 (en) 2018-06-27 2019-04-16 The United States Of America As Represented By Secretary Of The Navy Low-complexity deinterlacing with motion detection and overlay compensation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6262773B1 (en) * 1997-09-15 2001-07-17 Sharp Laboratories Of America, Inc. System for conversion of interlaced video to progressive video using edge correlation
KR100327396B1 (ko) * 1999-09-03 2002-03-13 구자홍 모서리 방향검출을 기반으로 하는 격행주사 영상의 디인터레이싱 방법
US7502529B1 (en) * 2001-08-09 2009-03-10 Pixelworks, Inc. Low level video detail tracking by intuitionistic fuzzy relationship calculus
US6965705B1 (en) * 2001-08-09 2005-11-15 Ndsp, Inc. Method and system for dynamic angle interpolation in image processing
US7099509B2 (en) * 2002-10-11 2006-08-29 Samsung Electronics Co., Ltd. Method of edge direction detection based on the correlations between pixels of a vector and an edge direction detection system
US7379625B2 (en) * 2003-05-30 2008-05-27 Samsung Electronics Co., Ltd. Edge direction based image interpolation method
TWI252039B (en) * 2003-09-25 2006-03-21 Himax Tech Inc De-interlacing device and the method thereof
KR100568105B1 (ko) * 2003-10-02 2006-04-05 삼성전자주식회사 에지 기반의 영상 적응형 디인터레이싱 방법
TWI240572B (en) 2004-08-03 2005-09-21 Weltrend Semiconductor Inc Method of dynamic smoothing for de-interlacing images
TWI342154B (en) * 2006-05-17 2011-05-11 Realtek Semiconductor Corp Method and related apparatus for determining image characteristics

Also Published As

Publication number Publication date
TW200908721A (en) 2009-02-16
CN101365051B (zh) 2010-10-13
CN101365051A (zh) 2009-02-11
US8045820B2 (en) 2011-10-25
US20090041374A1 (en) 2009-02-12

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees