TW201612505A - Image processing apparatus, image acquiring apparatus, image processing method, and image acquiring method - Google Patents

Image processing apparatus, image acquiring apparatus, image processing method, and image acquiring method

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Publication number
TW201612505A
TW201612505A TW104116214A TW104116214A TW201612505A TW 201612505 A TW201612505 A TW 201612505A TW 104116214 A TW104116214 A TW 104116214A TW 104116214 A TW104116214 A TW 104116214A TW 201612505 A TW201612505 A TW 201612505A
Authority
TW
Taiwan
Prior art keywords
value
image
brightness value
pixel
brightness
Prior art date
Application number
TW104116214A
Other languages
Chinese (zh)
Other versions
TWI582415B (en
Inventor
Takuya Yasuda
Original Assignee
Screen Holdings Co 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 Screen Holdings Co Ltd filed Critical Screen Holdings Co Ltd
Publication of TW201612505A publication Critical patent/TW201612505A/en
Application granted granted Critical
Publication of TWI582415B publication Critical patent/TWI582415B/en

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  • Image Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

A representative value obtaining part 411 in an image processing part 41 assigns each pixel in an image, which includes granular elements having higher contrast than those of edges of a pattern area, as an attention pixel to obtain a representative value of brightness values in a plurality of target pixels included in an area of a predetermined size around the attention pixel. A reference value setting part 412 sets a brightness value of the attention pixel as a reference value when the brightness value of the attention pixel is within a brightness value range whose center value is set at the representative value, and sets the representative value as the reference value when the brightness value of the attention pixel is outside the brightness value range. A filter processing part 413 calculates a new brightness value of the attention pixel by performing filter processing where a larger weight is applied to a brightness value of each target pixel having a smaller difference between the brightness value of the target pixel and the reference value. It is therefore possible to remove the granular elements having high contrast in the image while the edges of the pattern area is kept.
TW104116214A 2014-06-19 2015-05-21 Image processing apparatus, image acquiring apparatus, image processing method, and image acquiring method TWI582415B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014126237A JP6286291B2 (en) 2014-06-19 2014-06-19 Image processing apparatus, image acquisition apparatus, image processing method, and image acquisition method

Publications (2)

Publication Number Publication Date
TW201612505A true TW201612505A (en) 2016-04-01
TWI582415B TWI582415B (en) 2017-05-11

Family

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TW104116214A TWI582415B (en) 2014-06-19 2015-05-21 Image processing apparatus, image acquiring apparatus, image processing method, and image acquiring method

Country Status (4)

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JP (1) JP6286291B2 (en)
KR (1) KR101671112B1 (en)
CN (1) CN105282461B (en)
TW (1) TWI582415B (en)

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CN110645909A (en) * 2019-08-16 2020-01-03 广州瑞松北斗汽车装备有限公司 Vehicle body appearance defect detection method and detection system
JP7425700B2 (en) * 2019-12-09 2024-01-31 東京エレクトロン株式会社 Shape characteristic value estimation device, shape characteristic value estimation method, and storage medium
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KR102808109B1 (en) * 2020-06-05 2025-05-19 삼성디스플레이 주식회사 Method for inspecting display substrate and display substrate inspecting apparatus for performing the same
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Also Published As

Publication number Publication date
JP6286291B2 (en) 2018-02-28
TWI582415B (en) 2017-05-11
KR101671112B1 (en) 2016-10-31
CN105282461A (en) 2016-01-27
CN105282461B (en) 2018-06-26
JP2016004020A (en) 2016-01-12
KR20150145695A (en) 2015-12-30

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