JP2013542528A - 夜景画像ボケ検出システム - Google Patents
夜景画像ボケ検出システム Download PDFInfo
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- JP2013542528A JP2013542528A JP2013536587A JP2013536587A JP2013542528A JP 2013542528 A JP2013542528 A JP 2013542528A JP 2013536587 A JP2013536587 A JP 2013536587A JP 2013536587 A JP2013536587 A JP 2013536587A JP 2013542528 A JP2013542528 A JP 2013542528A
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- 238000001514 detection method Methods 0.000 title abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 53
- 238000003384 imaging method Methods 0.000 claims description 25
- 229920006395 saturated elastomer Polymers 0.000 claims description 18
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- 238000004422 calculation algorithm Methods 0.000 description 22
- 238000007796 conventional method Methods 0.000 description 7
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- 238000012545 processing Methods 0.000 description 5
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- 230000003287 optical effect Effects 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
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- 238000012937 correction Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6811—Motion detection based on the image signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
-
- 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
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
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- 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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30168—Image quality inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/98—Detection or correction of errors, e.g. by rescanning the pattern or by human intervention; Evaluation of the quality of the acquired patterns
- G06V10/993—Evaluation of the quality of the acquired pattern
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- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
- Image Analysis (AREA)
Abstract
Description
Automatic Image Enhancement(鮮鋭度測定:自動画像強化に向けて)」に記載されている。
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Claims (17)
- 試験画像がボケているかを判定するための方法であって、。この方法は以下の手順で構成される。
試験画像内の有効な光跡を識別する手順と、。および
同様の向きおよびサイズを持つ有効光跡数が十分ある場合は、前記試験画像をボケとして分類する手順と、
を含む方法。 - 前記有効な光跡を識別する手順を行う前に前記試験画像が潜在的夜景であるかを識別する手順を更に含む、請求項1に記載の方法。
- 前記有効な光跡を識別する手順を行う前に前記試験画像のダウンサンプリングを行う手順を更に含む、請求項1に記載の方法。
- 前記有効な光跡を識別する手順はに、定義済み光飽和閾値を上回る値を持った画素を識別することによって前記画像内の飽和画素を識別する手順を含む、請求項1に記載の方法。
- 前記有効な光跡をの識別する手順はに、連続した飽和画素から潜在的光跡を構築する手順を含む、請求項4に記載の方法。
- 前記有効な光跡をの識別する手順はに、前記潜在的光跡の1以上1つないし複数の領域特性を計算し、前記潜在的光跡の領域特性に基づいて有効な光跡を識別する手順を含む、請求項5に記載の方法。
- 前記試験画像がボケていると分類する手順はに、前記有効な光跡のサイズと方向を比較する手順を含む、請求項1に記載の方法。
- 前記試験画像がボケていると分類する手順はに、前記有効な光跡の近接度を比較する手順を含む、請求項1に記載の方法。
- 試験画像を取得するための取得システムと、および請求項1に記載の方法を使用して試験画像がボケているかを推定するための制御システムとを含むカメラ。
- 画像を取得するための画像装置であって、。この画像装置は以下の項目から構成される。
画像を取得するための取得システムと、および
(i)試験画像内の有効な光跡を識別し、同様のパターンの方向性を持つ有効光跡数が十分ある場合に、その試験画像をボケとして分類することによって、画像がボケているかを判定する制御システムと、
を含む画像装置。 - 前記制御システムは、有効な光跡を識別する前に前記試験画像が潜在的夜景であるかを制御システムが識別する、請求項10に記載の画像装置。
- 前記制御システムは、有効な光跡を識別する前に制御システムで前記試験画像をダウンサンプリングする、請求項10に記載の画像装置。
- 前記制御システムはで、定義済みの光飽和閾値を上回る値を持った画素を識別することによって、前記画像内の飽和画素を識別する、請求項10に記載の画像装置。
- 前記制御システムはで、連続した飽和画素から潜在的光跡を構築する、請求項13に記載の画像装置。
- 前記制御システムはで、前記潜在的光跡の1以上1つないし複数の領域特性を計算し、前記潜在的光跡の領域特性に基づいて有効な光跡を識別する、請求項14に記載の画像装置。
- 前記制御システムはで、前記有効な光跡のサイズおよび方向を比較する、請求項10に記載の画像装置。
- 前記制御システムはで、前記有効な光跡の近接度を比較する、請求項10に記載の画像装置。
Applications Claiming Priority (1)
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PCT/US2010/055325 WO2012060835A1 (en) | 2010-11-03 | 2010-11-03 | Blur detection system for night scene images |
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JP2013542528A true JP2013542528A (ja) | 2013-11-21 |
JP5725194B2 JP5725194B2 (ja) | 2015-05-27 |
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US (1) | US9412039B2 (ja) |
JP (1) | JP5725194B2 (ja) |
WO (1) | WO2012060835A1 (ja) |
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WO2012060835A1 (en) | 2010-11-03 | 2012-05-10 | Nikon Corporation | Blur detection system for night scene images |
US9338354B2 (en) | 2011-10-03 | 2016-05-10 | Nikon Corporation | Motion blur estimation and restoration using light trails |
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WO2014074138A1 (en) | 2012-11-09 | 2014-05-15 | Nikon Corporation | Globally dominant point spread function estimation |
WO2014074137A1 (en) | 2012-11-09 | 2014-05-15 | Nikon Corporation | Point spread function classification using structural properties |
WO2015017194A1 (en) | 2013-07-29 | 2015-02-05 | Nikon Corporation | Multiple phase method for image deconvolution |
US10165263B2 (en) | 2013-09-30 | 2018-12-25 | Nikon Corporation | Point spread function estimation of optics blur |
US9779491B2 (en) | 2014-08-15 | 2017-10-03 | Nikon Corporation | Algorithm and device for image processing |
US10902244B2 (en) | 2017-03-27 | 2021-01-26 | Samsung Electronics Co., Ltd. | Apparatus and method for image processing |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |