JP2016059400A5 - Ophthalmic image processing device - Google Patents
Ophthalmic image processing device Download PDFInfo
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- JP2016059400A5 JP2016059400A5 JP2014186907A JP2014186907A JP2016059400A5 JP 2016059400 A5 JP2016059400 A5 JP 2016059400A5 JP 2014186907 A JP2014186907 A JP 2014186907A JP 2014186907 A JP2014186907 A JP 2014186907A JP 2016059400 A5 JP2016059400 A5 JP 2016059400A5
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- 238000003384 imaging method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002073 fluorescence micrograph Methods 0.000 claims description 3
- 239000002872 contrast media Substances 0.000 claims description 2
- 230000000875 corresponding Effects 0.000 claims 1
- 239000003550 marker Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 1
Description
本開示は、眼底正面画像を処理するための眼科用画像処理装置に関する。 The present disclosure relates to an ophthalmic image processing equipment for processing the front fundus image.
本開示は、従来技術の問題点の少なくとも一つを解決可能な眼科用画像処理装置を提供することを技術課題とする。 The present disclosure is directed to an object to provide at least one resolvable ophthalmic image processing equipment of the prior art problems.
上記課題を解決するために、本開示の第１態様にかかる眼科用画像処理装置は、少なくとも一つの眼底撮影装置によって撮影された眼底正面画像を取得する眼底画像取得手段を備える眼科用画像処理装置であって、前記眼底撮影装置は、３つの受光素子と、眼底からの反射光，第１の眼底蛍光，および，第１の眼底蛍光とは波長域が異なる第２の眼底蛍光を、互いに異なる前記受光素子に受光させる光分岐手段と、を備え、前記眼底からの反射光に基づく眼底正面画像、前記第１の眼底蛍光に基づく第１の蛍光眼底画像、および、前記第２の眼底蛍光に基づく第２の蛍光眼底画像を、同時に撮影可能であり、前記眼底画像取得手段は、異なるタイミングにて撮影された複数の前記眼底正面画像と、各々の前記眼底正面画像と同時に撮影された、前記第１の蛍光眼底画像と前記第２の蛍光眼底画像とをそれぞれ複数取得し、更に、眼科用画像処理装置は、異なるタイミングにて撮影された複数の前記眼底正面画像の間における位置ずれを画像処理によって算出し、算出された位置ずれに基づいて、各々の前記眼底正面画像と同時に撮影されたそれぞれ複数の前記第１の蛍光眼底画像，および，前記第２の蛍光眼底画像における位置ずれを検出する検出する位置ずれ検出手段と、を備える。 In order to solve the above problem, an ophthalmic image processing apparatus according to the first aspect of the present disclosure includes an ocular fundus image acquisition unit that acquires a fundus front image captured by at least one fundus imaging apparatus. In the fundus imaging apparatus, three light receiving elements and reflected light from the fundus, first fundus fluorescence, and second fundus fluorescence having a wavelength range different from the first fundus fluorescence are different from each other. A light branching unit that causes the light receiving element to receive light. A fundus front image based on reflected light from the fundus, a first fluorescent fundus image based on the first fundus fluorescence, and a second fundus fluorescence. A second fluorescent fundus image can be simultaneously captured, and the fundus image acquisition unit has captured a plurality of the fundus front images captured at different timings and the respective fundus front images simultaneously Each of the first fluorescent fundus image and the second fluorescent fundus image is acquired, and the ophthalmic image processing apparatus further detects a positional shift between the plurality of fundus front images captured at different timings. Based on the calculated positional deviation, the positional deviations in the plurality of first fluorescent fundus images and the second fluorescent fundus images captured simultaneously with the respective fundus front images are calculated. comprising a displacement detection means for detecting detect a.
本開示の第２態様にかかる眼科用画像処理装置は、少なくとも一つの眼底撮影装置によって撮影された眼底正面画像を取得する眼底画像取得手段を備える眼科用画像処理装置であって、前記眼科撮影装置は、第１の撮影条件での光により撮影された第１の眼底正面画像と、第１の撮影条件とは異なる撮影条件での光により撮影された第２の眼底正面画像と、を同時に撮影可能であり、前記第1の眼底正面画像と前記第２の眼底正面画像との両方は、被検眼へ投与された造影剤による蛍光画像であって、前記蛍光画像における造影初期、造影中期、および、造影後期の各時相で撮影された、前記前記第1の眼底正面画像と前記第２の眼底正面画像とを、時系列にそれぞれ並べて表示装置に表示させる表示制御手段を備える。
An ophthalmic image processing apparatus according to a second aspect of the present disclosure is an ophthalmic image processing apparatus including fundus image acquisition means for acquiring a fundus front image captured by at least one fundus imaging apparatus, wherein the ophthalmologic imaging apparatus is provided. Shoots simultaneously a first fundus front image captured with light under the first imaging condition and a second fundus front image captured with light under an imaging condition different from the first imaging condition. Both of the first fundus front image and the second fundus front image are fluorescence images of a contrast agent administered to the eye to be examined, wherein the initial contrast phase, the middle contrast phase, and And a display control means for displaying the first fundus front image and the second fundus front image taken in each time phase of the late phase of contrast on the display device in time series.
Claims (6)
前記眼底撮影装置は、３つの受光素子と、眼底からの反射光，第１の眼底蛍光，および，第１の眼底蛍光とは波長域が異なる第２の眼底蛍光を、互いに異なる前記受光素子に受光させる光分岐手段と、を備え、前記眼底からの反射光に基づく眼底正面画像、前記第１の眼底蛍光に基づく第１の蛍光眼底画像、および、前記第２の眼底蛍光に基づく第２の蛍光眼底画像を、同時に撮影可能であり、
前記眼底画像取得手段は、異なるタイミングにて撮影された複数の前記眼底正面画像と、各々の前記眼底正面画像と同時に撮影された、前記第１の蛍光眼底画像と前記第２の蛍光眼底画像とをそれぞれ複数取得し、
更に、眼科用画像処理装置は、
異なるタイミングにて撮影された複数の前記眼底正面画像の間における位置ずれを画像処理によって算出し、算出された位置ずれに基づいて、各々の前記眼底正面画像と同時に撮影されたそれぞれ複数の前記第１の蛍光眼底画像，および，前記第２の蛍光眼底画像における位置ずれを検出する検出する位置ずれ検出手段と、
を備える眼科用画像処理装置。 An ophthalmic image processing apparatus comprising fundus image acquisition means for acquiring a fundus front image captured by at least one fundus imaging apparatus ,
The fundus imaging apparatus includes three light receiving elements, reflected light from the fundus, first fundus fluorescence, and second fundus fluorescence having a wavelength range different from that of the first fundus fluorescence to the light receiving elements different from each other. Light branching means for receiving light, and a fundus front image based on reflected light from the fundus, a first fluorescent fundus image based on the first fundus fluorescence, and a second based on the second fundus fluorescence Fluorescent fundus images can be taken simultaneously,
The fundus image acquisition unit includes a plurality of the fundus front images taken at different timings, and the first fluorescent fundus image and the second fluorescent fundus image taken simultaneously with each of the fundus front images. Get multiple each
Furthermore, the ophthalmic image processing apparatus
A positional shift between the plurality of fundus front images captured at different timings is calculated by image processing, and the plurality of the first images captured simultaneously with each of the fundus front images based on the calculated position shift. A positional deviation detecting means for detecting a positional deviation in one fluorescent fundus image and the second fluorescent fundus image ;
An ophthalmic image processing apparatus.
前記画像処理手段によって前記第２の位置ずれが補正されたそれぞれ複数の前記第１の蛍光眼底画像，および，前記第２の蛍光眼底画像を、表示装置に並べて表示させる表示制御手段と、を備える請求項１記載の眼科用画像処理装置。 Image processing means for correcting a position shift in each of the plurality of first fluorescent fundus images and the second fluorescent fundus image by image processing based on a detection result of the position shift detection means;
Display control means for displaying the plurality of first fluorescent fundus images and the second fluorescent fundus images, each of which has been corrected for the second positional deviation by the image processing means, on a display device. The ophthalmic image processing apparatus according to claim 1.
前記眼科撮影装置は、第１の撮影条件での光により撮影された第１の眼底正面画像と、第１の撮影条件とは異なる撮影条件での光により撮影された第２の眼底正面画像と、を同時に撮影可能であり、 The ophthalmologic photographing apparatus includes a first fundus front image captured with light under a first image capturing condition, and a second fundus front image captured with light under an image capturing condition different from the first image capturing condition. , Can be taken at the same time,
前記第1の眼底正面画像と前記第２の眼底正面画像との両方は、被検眼へ投与された造影剤による蛍光画像であって、Both the first fundus front image and the second fundus front image are fluorescence images of a contrast agent administered to the subject eye,
前記蛍光画像における造影初期、造影中期、および、造影後期の各時相で撮影された、前記前記第1の眼底正面画像と前記第２の眼底正面画像とを、時系列にそれぞれ並べて表示装置に表示させる表示制御手段を備える、眼科用画像処理装置。The first fundus front image and the second fundus front image, which are taken in each time phase of the initial contrast phase, the mid-contrast phase, and the late contrast phase in the fluorescence image, are arranged in time series on the display device An ophthalmic image processing apparatus comprising display control means for displaying.
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| JP6957842B2 (en) * | 2016-08-03 | 2021-11-02 | 株式会社ニデック | Fundus photography device |
| JP6825292B2 (en) * | 2016-09-30 | 2021-02-03 | 株式会社ニデック | Fundus image observation program |
| JP6747227B2 (en) * | 2016-09-30 | 2020-08-26 | 株式会社ニデック | Fundus image observation program |
| EP3300654B1 (en) | 2016-09-30 | 2022-01-05 | Nidek Co., Ltd. | Method for fundus image observation |
| JP6957852B2 (en) * | 2016-09-30 | 2021-11-02 | 株式会社ニデック | Fundus image observation program |
| JP6918525B2 (en) * | 2017-03-08 | 2021-08-11 | 株式会社トプコン | Ophthalmology medical information processing system and ophthalmic medical information processing method |
| JP7192204B2 (en) * | 2017-09-29 | 2022-12-20 | 株式会社ニデック | ophthalmic imaging equipment |
| CA3140557A1 (en) | 2019-06-05 | 2020-12-10 | Nicolas LAPOINTE | System and method for performing a photoluminescence analysis on a medium |
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| JP5085086B2 (en) * | 2006-10-04 | 2012-11-28 | 株式会社トプコン | Fundus observation apparatus, fundus image display apparatus, and program |
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