KR100869441B1 - 이미지 공간 필터링 방법 및 그레인 영향 최소화 방법 - Google Patents
이미지 공간 필터링 방법 및 그레인 영향 최소화 방법 Download PDFInfo
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- KR100869441B1 KR100869441B1 KR1020020023462A KR20020023462A KR100869441B1 KR 100869441 B1 KR100869441 B1 KR 100869441B1 KR 1020020023462 A KR1020020023462 A KR 1020020023462A KR 20020023462 A KR20020023462 A KR 20020023462A KR 100869441 B1 KR100869441 B1 KR 100869441B1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
Abstract
Description
Claims (4)
- 광 네비게이션 시스템(optical navigation system)에서, 네비게이션하기 이전에 그레인(grain)을 제거하도록 이미지를 공간 필터링(spatially filtering)하는 방법으로서,(a) 제 1 필터(a first filter)를 사용하여 네비게이팅하는 단계(92)와,(b) 상기 단계(a)에 따라서 네비게이팅하는 동안, 상관값(correlation value)의 순차형 집합(ordered collection)(88)을 생성하는 단계와,(c) 상기 단계(b)에서 생성된 상기 상관값의 순차형 집합을 검사(examining)하여, 상기 순차형 집합 내의 상기 값으로 표시되는 상관 표면(correlation surface)(89)에 리지(ridge)가 존재(presence)하는지 확인하는 단계와,(d) 상기 단계(c)의 상기 검사에서 리지의 존재가 밝혀지는 경우, 상기 제 1 필터를 대신하여 제 2 필터를 사용하여 네비게이팅하기 시작하는 단계(94,96)와,(e) 상기 단계(d)에 따라서 네비게이팅(95,97)하는 동안, 상기 제 2 필터가 사용되는 중에 생성된 상관값의 순차형 집합을 검사하되,(e1) 상기 단계(e)의 상기 검사에서 리지의 부재(absence)가 밝혀지는 경우, 상기 단계(d)에 따라서 계속 네비게이팅(100,101)하고,(e2) 상기 단계(e)의 상기 검사에서 리지의 존재가 밝혀지는 경우, 상기 제 1 필터의 상기 이용 상태를 복원(re-instituting)(98,99)하고, 상기 단계(a)에 따라서 네비게이션을 재개(resuming)하는 단계를 포함하는이미지 공간 필터링 방법.
- 제 1 항에 있어서,상기 제 2 필터는 서로에 대하여 공간적으로 90도를 이루는 제 3 및 제 4 필터(52,53) 중 선택되는 하나를 포함하고,상기 단계(c)는 상기 제 3 및 제 4 필터 중 어떤 것이 상기 밝혀진 리지(revealed ridge)를 가장 효과적으로 처리하는지 판정하는 단계를 더 포함하는이미지 공간 필터링 방법.
- 광 네비게이션 시스템에 있어서, 네비게이션 시에 그레인의 영향을 최소화하는 방법으로서,(a) 제 1 광원(first source of illumination)으로 제 1 위치에서 네비게이팅하는 단계(103)와,(b) 상기 단계(a)에 따라서 네비게이팅하는 동안, 상관값의 순차형 집합(88)을 생성하는 단계와,(c) 상기 단계(b)에서 생성된 상기 상관값의 순차형 집합을 검사하여, 상기 순차형 집합 내의 값들에 의하여 표시되는 상관 표면(89)에서 리지의 존재를 확인하는 단계와,(d) 상기 단계(c)의 상기 검사에서 리지의 존재가 밝혀지는 경우, 상기 제 1 광원을 끄고 제 2 광원으로 제 2 위치에서 네비게이팅하기 시작(104)하는 단계와,(e) 상기 단계(d)에 따라서 네비게이팅(105)하는 동안, 상기 제 2 광원이 이용되는 중에 생성된 상관값의 순차형 집합을 검사하되,(e1) 상기 단계(e)의 상기 검사에서 리지의 부재가 밝혀지는 경우 상기 단계(d)에 따라서 계속 네비게이팅(106)하고,(e2) 상기 단계(e)의 상기 검사에서 리지의 존재가 밝혀지는 경우, 상기 제 2 광원을 끄고, 상기 제 1 광원의 상기 이용 상태를 복원하고, 상기 단계(a)에 따라서 네비게이션을 재개하는 단계를 포함하는그레인 영향 최소화 방법.
- 제 3 항에 있어서,상기 제 1 및 제 2 광원이 상기 밝혀진 리지의 엔드온 조명(end-on illumination)을 최대화하도록 선택되는그레인 영향 최소화 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/845,544 US6603111B2 (en) | 2001-04-30 | 2001-04-30 | Image filters and source of illumination for optical navigation upon arbitrary surfaces are selected according to analysis of correlation during navigation |
US09/845,544 | 2001-04-30 |
Publications (2)
Publication Number | Publication Date |
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KR20020084414A KR20020084414A (ko) | 2002-11-07 |
KR100869441B1 true KR100869441B1 (ko) | 2008-11-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020020023462A KR100869441B1 (ko) | 2001-04-30 | 2002-04-29 | 이미지 공간 필터링 방법 및 그레인 영향 최소화 방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6603111B2 (ko) |
EP (1) | EP1255219B1 (ko) |
JP (1) | JP2002342017A (ko) |
KR (1) | KR100869441B1 (ko) |
DE (1) | DE60200122T2 (ko) |
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- 2002-04-16 EP EP02252696A patent/EP1255219B1/en not_active Expired - Fee Related
- 2002-04-16 DE DE60200122T patent/DE60200122T2/de not_active Expired - Fee Related
- 2002-04-23 JP JP2002120990A patent/JP2002342017A/ja not_active Withdrawn
- 2002-04-29 KR KR1020020023462A patent/KR100869441B1/ko active IP Right Grant
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2003
- 2003-06-03 US US10/453,391 patent/US6737636B2/en not_active Expired - Fee Related
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JPH096523A (ja) * | 1995-06-20 | 1997-01-10 | Nec Eng Ltd | 光学式入力装置 |
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Also Published As
Publication number | Publication date |
---|---|
EP1255219A1 (en) | 2002-11-06 |
US20020179823A1 (en) | 2002-12-05 |
DE60200122D1 (de) | 2004-01-22 |
DE60200122T2 (de) | 2004-07-08 |
US20030205666A1 (en) | 2003-11-06 |
KR20020084414A (ko) | 2002-11-07 |
US6603111B2 (en) | 2003-08-05 |
US6737636B2 (en) | 2004-05-18 |
JP2002342017A (ja) | 2002-11-29 |
EP1255219B1 (en) | 2003-12-10 |
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