JPWO2021059990A5 - - Google Patents
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- JPWO2021059990A5 JPWO2021059990A5 JP2021548781A JP2021548781A JPWO2021059990A5 JP WO2021059990 A5 JPWO2021059990 A5 JP WO2021059990A5 JP 2021548781 A JP2021548781 A JP 2021548781A JP 2021548781 A JP2021548781 A JP 2021548781A JP WO2021059990 A5 JPWO2021059990 A5 JP WO2021059990A5
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- video data
- resolution
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- image pickup
- pickup apparatus
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- 230000003287 optical effect Effects 0.000 claims 7
- 238000003384 imaging method Methods 0.000 claims 6
- 238000011156 evaluation Methods 0.000 claims 5
- 238000012937 correction Methods 0.000 claims 3
- 238000007726 management method Methods 0.000 claims 3
- 238000012545 processing Methods 0.000 claims 3
- 230000006866 deterioration Effects 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 claims 2
- 238000013500 data storage Methods 0.000 claims 1
Claims (6)
前記映像データの映像処理により抽出された解像性能を示す信号成分に基づいて、前記映像データの解像性能を評価判定する解像評価部と、
前記撮影光学系の設定パラメータと、評価判定された解像性能との対応関係を保存するデータベース部と、を備え、
前記解像評価部は、
前記映像データのエッジ成分を抽出して輪郭補正を行う輪郭補正部から前記エッジ成分を取得し、前記エッジ成分の振幅または頻度に基づいて前記映像データの解像性能を判定する
ことを特徴とする撮像装置。 An imaging unit that captures the optical image of the subject formed by the photographing optical system and generates video data.
A resolution evaluation unit that evaluates and determines the resolution performance of the video data based on a signal component indicating the resolution performance extracted by the video processing of the video data.
It is equipped with a database unit that stores the correspondence between the setting parameters of the photographing optical system and the resolution performance evaluated and determined .
The resolution evaluation unit
The edge component is acquired from the contour correction unit that extracts the edge component of the video data and performs contour correction, and the resolution performance of the video data is determined based on the amplitude or frequency of the edge component.
An imaging device characterized by this .
前記解像評価部は、前記映像データの撮影環境の明るさについて判定処理を行い、明るい撮影環境と判定された場合に前記映像データの解像性能を評価判定する
ことを特徴とする撮像装置。 In the image pickup apparatus according to claim 1,
The resolution evaluation unit is an image pickup apparatus characterized in that it performs determination processing on the brightness of the shooting environment of the video data, and evaluates and judges the resolution performance of the video data when it is determined that the shooting environment is bright.
前記撮影光学系の設定パラメータを前記データベース部に照会し、解像性能を推定するパラメータ照会部と、
被写体の明るさ条件と、前記パラメータ照会部が推定する解像性能とに基づいて、前記映像データの適正な解像限界を求める解像限界設定部と、
前記撮像部が生成する前記映像データの解像性能を前記解像限界に応じて下げる解像制限部と
を備えたことを特徴とする撮像装置。 The image pickup apparatus according to claim 1.
A parameter inquiry unit that queries the database unit for the setting parameters of the photographing optical system and estimates the resolution performance, and a parameter inquiry unit.
A resolution limit setting unit that obtains an appropriate resolution limit for the video data based on the brightness condition of the subject and the resolution performance estimated by the parameter inquiry unit.
An imaging device including a resolution limiting unit that lowers the resolution performance of the video data generated by the imaging unit according to the resolution limit.
前記データベース部の履歴を作成し、前記履歴に基づいて前記撮像装置の劣化をモニタする保守管理部を備えた
ことを特徴とする撮像装置。 The image pickup apparatus according to claim 1.
An image pickup apparatus comprising: a maintenance management unit that creates a history of the database unit and monitors deterioration of the image pickup apparatus based on the history.
前記保守管理部は、前記撮像装置の劣化を管理するための情報を、前記撮像装置の外部の管理システムに報告する
ことを特徴とする撮像装置。 The image pickup apparatus according to claim 4 .
The maintenance management unit is an image pickup apparatus characterized in that information for managing deterioration of the image pickup apparatus is reported to a management system external to the image pickup apparatus.
前記映像データのエッジ成分を抽出して輪郭補正を行う輪郭補正ステップと、
前記映像データの映像処理により抽出された解像性能を示す信号成分に基づいて、前記映像データの解像性能を評価判定する解像評価ステップと、
前記撮影光学系の設定パラメータと、評価判定された解像性能との対応関係をデータベース部に保存するデータ保存ステップと、を備え、
前記解像評価ステップは、
前記エッジ成分を取得し、前記エッジ成分の振幅または頻度に基づいて前記映像データの解像性能を判定する
ことを特徴とする撮像方法。 An imaging step that captures the optical image of the subject formed by the shooting optical system and generates video data.
A contour correction step that extracts the edge component of the video data and corrects the contour,
A resolution evaluation step for evaluating and determining the resolution performance of the video data based on a signal component indicating the resolution performance extracted by the video processing of the video data.
It is provided with a data storage step for storing the correspondence between the setting parameters of the photographing optical system and the resolution performance evaluated and determined in the database unit .
The resolution evaluation step is
The edge component is acquired, and the resolution performance of the video data is determined based on the amplitude or frequency of the edge component.
An imaging method characterized by that .
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019174835 | 2019-09-26 | ||
| JP2019174835 | 2019-09-26 | ||
| PCT/JP2020/034218 WO2021059990A1 (en) | 2019-09-26 | 2020-09-10 | Image capturing device and image capturing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021059990A1 JPWO2021059990A1 (en) | 2021-04-01 |
| JPWO2021059990A5 true JPWO2021059990A5 (en) | 2022-05-11 |
| JP7232928B2 JP7232928B2 (en) | 2023-03-03 |
Family
ID=75165714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021548781A Active JP7232928B2 (en) | 2019-09-26 | 2020-09-10 | Imaging device and imaging method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7232928B2 (en) |
| WO (1) | WO2021059990A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011077876A (en) * | 2009-09-30 | 2011-04-14 | Konica Minolta Opto Inc | Imaging apparatus |
| JP2013162280A (en) * | 2012-02-03 | 2013-08-19 | Sony Corp | Image processing apparatus, image processing method, program, server, client terminal, image processing system, and method for image processing system |
| JP6409472B2 (en) * | 2014-10-02 | 2018-10-24 | リコーイメージング株式会社 | Imaging device provided with image display device |
| JP2016105568A (en) * | 2014-12-01 | 2016-06-09 | 株式会社ザクティ | Imaging apparatus |
| JP2017108243A (en) * | 2015-12-08 | 2017-06-15 | キヤノン株式会社 | Image processing device and image processing method |
| JP6739955B2 (en) * | 2016-03-18 | 2020-08-12 | キヤノン株式会社 | Image processing apparatus, image processing method, image processing program, and recording medium |
-
2020
- 2020-09-10 JP JP2021548781A patent/JP7232928B2/en active Active
- 2020-09-10 WO PCT/JP2020/034218 patent/WO2021059990A1/en active Application Filing
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