CA2158143C - Dispositif de re-echantillonnage pour modifier les dimensions d'une image video - Google Patents

Dispositif de re-echantillonnage pour modifier les dimensions d'une image video Download PDF

Info

Publication number
CA2158143C
CA2158143C CA 2158143 CA2158143A CA2158143C CA 2158143 C CA2158143 C CA 2158143C CA 2158143 CA2158143 CA 2158143 CA 2158143 A CA2158143 A CA 2158143A CA 2158143 C CA2158143 C CA 2158143C
Authority
CA
Canada
Prior art keywords
sample
input
stream
filter
output
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
CA 2158143
Other languages
English (en)
Other versions
CA2158143A1 (fr
Inventor
James Henry Arbeiter
Roger Frank Bessler
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.)
NORTHSHORE LABORATORIES Inc
Original Assignee
NORTHSHORE LABORATORIES Inc
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 NORTHSHORE LABORATORIES Inc filed Critical NORTHSHORE LABORATORIES Inc
Priority to CA 2158143 priority Critical patent/CA2158143C/fr
Priority claimed from PCT/US1993/003490 external-priority patent/WO1994024632A1/fr
Publication of CA2158143A1 publication Critical patent/CA2158143A1/fr
Application granted granted Critical
Publication of CA2158143C publication Critical patent/CA2158143C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA 2158143 1993-04-14 1993-04-14 Dispositif de re-echantillonnage pour modifier les dimensions d'une image video Expired - Fee Related CA2158143C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2158143 CA2158143C (fr) 1993-04-14 1993-04-14 Dispositif de re-echantillonnage pour modifier les dimensions d'une image video

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1993/003490 WO1994024632A1 (fr) 1993-04-14 1993-04-14 Appareil de reechantillonnage adapte pour reformater une image video
CA 2158143 CA2158143C (fr) 1993-04-14 1993-04-14 Dispositif de re-echantillonnage pour modifier les dimensions d'une image video

Publications (2)

Publication Number Publication Date
CA2158143A1 CA2158143A1 (fr) 1994-10-27
CA2158143C true CA2158143C (fr) 2007-09-18

Family

ID=4156591

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2158143 Expired - Fee Related CA2158143C (fr) 1993-04-14 1993-04-14 Dispositif de re-echantillonnage pour modifier les dimensions d'une image video

Country Status (1)

Country Link
CA (1) CA2158143C (fr)

Also Published As

Publication number Publication date
CA2158143A1 (fr) 1994-10-27

Similar Documents

Publication Publication Date Title
US5355328A (en) Resampling apparatus suitable for resizing a video image
JPS60121813A (ja) ビデオ画像を変換しかつ濾波するための方式
US5587742A (en) Flexible parallel processing architecture for video resizing
EP0287333B1 (fr) Dispositif de "zoom" pour image de télévision
JP2913797B2 (ja) 画像拡縮処理方法
JPH07118627B2 (ja) 飛越し型デジタル・ビデオ入力フイルタ／間引き器および／または伸張器／補間器フイルタ
EP0287331B1 (fr) Système à mémoire de données échantillonnées, par exemple pour un système d'agrandissement d'une image de télévision
US5089893A (en) Picture element number converter
JPH02248161A (ja) データ伝送方式
JP2880168B2 (ja) 拡大表示可能な映像信号処理回路
US5559905A (en) Digital image resizing apparatus
US5289292A (en) Picture element data density conversion apparatus
JPH04314228A (ja) ディジタル信号の周波数変換用回路網
EP0694188B1 (fr) Appareil de reechantillonnage adapte pour reformater une image video
JP3503168B2 (ja) ビデオ特殊効果装置
US5668602A (en) Real-time television image pixel multiplication methods and apparatus
US5483474A (en) D-dimensional, fractional bandwidth signal processing apparatus
CA2158143C (fr) Dispositif de re-echantillonnage pour modifier les dimensions d'une image video
AU672973B2 (en) Resampling apparatus suitable for resizing a video image
JP3661156B2 (ja) ビデオ画像のサイズを再調整するのに好適な再サンプリング装置
HK1016420B (en) Resampling apparatus suitable for resizing a video image
US6023718A (en) High speed interpolation filter and a method thereof
GB2178266A (en) Digital sample rate reduction system
US5550764A (en) Image filtering with an efficient implementation of high order decimation digital filters
JP2005102229A (ja) ビデオ画像のサイズを再調整するのに好適な再サンプリング装置のオクターブ前置フィルタリング／サンプル乗算構造

Legal Events

Date Code Title Description
EEER Examination request
FZDC Discontinued application reinstated
MKLA Lapsed