WO2000016265A1 - A general image enhancement framework - Google Patents
A general image enhancement framework Download PDFInfo
- Publication number
- WO2000016265A1 WO2000016265A1 PCT/US1999/020676 US9920676W WO0016265A1 WO 2000016265 A1 WO2000016265 A1 WO 2000016265A1 US 9920676 W US9920676 W US 9920676W WO 0016265 A1 WO0016265 A1 WO 0016265A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- enhancement
- map
- enhanced
- approximated
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000002708 enhancing effect Effects 0.000 claims abstract description 11
- 238000013507 mapping Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 3
- 238000012935 Averaging Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 13
- 238000012545 processing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
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- 238000009499 grossing Methods 0.000 description 1
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Classifications
-
- G06T5/70—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
-
- 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 by the use of local operators
-
- G06T5/73—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
Definitions
- a method comprising forming an approximated image from an original input image, forming a pre-enhancement map by differentiating the approximated image from the input image, enhancing the pre-enhancement map according to an image enhancement technique forming an enhanced map thereby, and combining the enhanced map with the approximated image to generate an enhanced image.
- the image enhancement framework presented in various embodiments of the invention have the advantage of potential direct hardware implementation since unlike traditional enhanced techniques, they are designed to be applicable to a Bayer pattern raw image .
- the image enhancement framework may also be executed after color interpolation if so desired. Any number of image enhancement techniques, such as artifact reduction, edge sharpening color bleeding reduction and so on may utilize the framework discussed in the invention such that these techniques m whatever form employed operate more effectively than in conventional image enhancement.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000570726A JP2002525724A (en) | 1998-09-16 | 1999-09-10 | General-purpose image enhancement framework |
AU61397/99A AU6139799A (en) | 1998-09-16 | 1999-09-10 | A general image enhancement framework |
KR1020017003319A KR20010075115A (en) | 1998-09-16 | 1999-09-10 | A general image enhancement framework |
DE19983560T DE19983560B4 (en) | 1998-09-16 | 1999-09-10 | A general image enhancement method and system |
GB0105847A GB2358982B (en) | 1998-09-16 | 1999-09-10 | A general image enhancement framework |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/154,176 | 1998-09-16 | ||
US09/154,176 US6108453A (en) | 1998-09-16 | 1998-09-16 | General image enhancement framework |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000016265A1 true WO2000016265A1 (en) | 2000-03-23 |
Family
ID=22550311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/020676 WO2000016265A1 (en) | 1998-09-16 | 1999-09-10 | A general image enhancement framework |
Country Status (8)
Country | Link |
---|---|
US (1) | US6108453A (en) |
JP (1) | JP2002525724A (en) |
KR (1) | KR20010075115A (en) |
AU (1) | AU6139799A (en) |
DE (1) | DE19983560B4 (en) |
GB (1) | GB2358982B (en) |
TW (1) | TW451581B (en) |
WO (1) | WO2000016265A1 (en) |
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1998
- 1998-09-16 US US09/154,176 patent/US6108453A/en not_active Expired - Lifetime
-
1999
- 1999-08-16 TW TW088113964A patent/TW451581B/en not_active IP Right Cessation
- 1999-09-10 JP JP2000570726A patent/JP2002525724A/en active Pending
- 1999-09-10 WO PCT/US1999/020676 patent/WO2000016265A1/en not_active Application Discontinuation
- 1999-09-10 DE DE19983560T patent/DE19983560B4/en not_active Expired - Fee Related
- 1999-09-10 GB GB0105847A patent/GB2358982B/en not_active Expired - Fee Related
- 1999-09-10 AU AU61397/99A patent/AU6139799A/en not_active Abandoned
- 1999-09-10 KR KR1020017003319A patent/KR20010075115A/en active Search and Examination
Patent Citations (1)
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US5717789A (en) * | 1993-09-08 | 1998-02-10 | California Institute Of Technology | Image enhancement by non-linear extrapolation in frequency space |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006129241A2 (en) * | 2005-06-01 | 2006-12-07 | Koninklijke Philips Electronics N.V. | Shaping classification boundaries in template protection systems |
WO2006129241A3 (en) * | 2005-06-01 | 2007-03-15 | Koninkl Philips Electronics Nv | Shaping classification boundaries in template protection systems |
US8122260B2 (en) | 2005-06-01 | 2012-02-21 | Priv Id B.V. | Shaping classification boundaries in template protection systems |
Also Published As
Publication number | Publication date |
---|---|
US6108453A (en) | 2000-08-22 |
JP2002525724A (en) | 2002-08-13 |
DE19983560T1 (en) | 2001-08-09 |
KR20010075115A (en) | 2001-08-09 |
GB0105847D0 (en) | 2001-04-25 |
TW451581B (en) | 2001-08-21 |
GB2358982A (en) | 2001-08-08 |
GB2358982B (en) | 2002-11-27 |
AU6139799A (en) | 2000-04-03 |
DE19983560B4 (en) | 2008-11-13 |
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