JP2016016103A5 - - Google Patents

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JP2016016103A5
JP2016016103A5 JP2014140524A JP2014140524A JP2016016103A5 JP 2016016103 A5 JP2016016103 A5 JP 2016016103A5 JP 2014140524 A JP2014140524 A JP 2014140524A JP 2014140524 A JP2014140524 A JP 2014140524A JP 2016016103 A5 JP2016016103 A5 JP 2016016103A5
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boundary
image
acquired
fundus
planar image
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JP2016016103A (en
JP6410498B2 (en
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上記課題を解決するために、本発明に係る眼科装置は、被検眼の眼底の平面画像を取得する画像取得手段と、前記平面画像から、前記被検眼の視細胞が存在する存在領域と前記視細胞が存在しない領域との境界を取得する境界取得手段と、複数の記平面画像から取得した前記境界に基づいて、前記眼底における前記視細胞の存在領域を設定する設定手段と、を備えたことを特徴とする。 In order to solve the above-described problem, an ophthalmologic apparatus according to the present invention includes an image acquisition unit that acquires a planar image of the fundus of the eye to be examined, an existing region where the photoreceptors of the eye to be examined are present, and the visual field from the planar image. includes a boundary obtaining means for obtaining a boundary between regions in which the cells do not exist, on the basis of the boundary obtained from a plurality of pre Kitaira surface image, and setting means for setting a presence area of the photoreceptor cells in the fundus, the It is characterized by that.

Claims (18)

被検眼の眼底の平面画像を取得する画像取得手段と、
前記平面画像から、前記被検眼の視細胞が存在する存在領域と前記視細胞が存在しない領域との境界を取得する境界取得手段と、
複数の記平面画像から取得した前記境界に基づいて、前記眼底における前記視細胞の存在領域を設定する設定手段と、
を備えたことを特徴とする眼科装置。
Image acquisition means for acquiring a planar image of the fundus of the eye to be examined;
Boundary acquisition means for acquiring a boundary between a region where the photoreceptor cells of the eye to be examined are present and a region where the photoreceptor cells are not present from the planar image;
A setting unit on the basis of the boundary obtained from a plurality of pre Kitaira face image, sets the presence area of the photoreceptor cells in the fundus,
An ophthalmologic apparatus comprising:
前記境界取得手段は、前記平面画像を周波数変換して得られる前記視細胞の密度に対応するシグナルの強度に基づいて、前記境界を取得することを特徴とする請求項1に記載の眼科装置。   The ophthalmic apparatus according to claim 1, wherein the boundary acquisition unit acquires the boundary based on a signal intensity corresponding to a density of the photoreceptor cells obtained by frequency-converting the planar image. 前記画像取得手段は、前記境界取得手段で取得した前記境界の位置に応じて前記平面画像を撮影する前記眼底における撮影位置を設定する撮影位置設定手段を備えたことを特徴とする請求項1又は2に記載の眼科装置。   2. The image acquisition unit according to claim 1, further comprising an imaging position setting unit that sets an imaging position on the fundus for capturing the planar image in accordance with the position of the boundary acquired by the boundary acquisition unit. The ophthalmic apparatus according to 2. 前記取得した境界と、前記平面画像を取得した前記眼底における撮影位置とを対応づける位置合わせ手段を有することを特徴とする請求項1乃至3の何れか一項に記載の眼科装置。   4. The ophthalmologic apparatus according to claim 1, further comprising an alignment unit that associates the acquired boundary with a photographing position on the fundus where the planar image is acquired. 前記設定した視細胞の存在領域に基づき、前記平面画像とは解像度の異なる第二の平面画像を取得する第二の画像取得手段を備えたことを特徴とする請求項1乃至4の何れか一項に記載の眼科装置。 5. The apparatus according to claim 1, further comprising a second image acquisition unit configured to acquire a second planar image having a resolution different from that of the planar image based on the set photoreceptor cell existence region. The ophthalmic apparatus according to item. 前記第二の画像取得手段は、前記第二の平面画像が前記境界を含む場合に、前記第二の平面画像を取得した前記眼底における撮影位置に対して複数のフォーカス位置で撮影を行うことを特徴とする請求項5に記載の眼科装置。 The second image acquisition unit, when before Symbol second plane image including the pre Kisakai field, shooting at a plurality of focus positions with respect to the imaging position in the fundus acquired the second planar image The ophthalmic apparatus according to claim 5, wherein the ophthalmic apparatus is performed. 前記境界取得手段は、前記複数のフォーカス位置で撮影された前記第二の平面画像の各々から前記境界を取得することを特徴とする請求項6に記載の眼科装置。 The boundary acquisition unit, ophthalmologic apparatus according to claim 6, characterized in that to obtain the pre Kisakai field from each of the captured said second planar image in the plurality of focus positions. 前記第二の画像取得手段は、前記第二の平面画像が前記視細胞を含む場合に、前記第二の平面画像を取得した前記眼底における撮影位置に対して複数のフォーカス位置で撮影を行うことを特徴とする請求項5に記載の眼科装置。 The second image acquisition unit, when before Symbol second plane image containing the visual cells, perform imaging at a plurality of focus positions with respect to the imaging position in the fundus acquired the second planar image The ophthalmic apparatus according to claim 5. 前記境界取得手段は、前記複数のフォーカス位置で撮影された前記第二の平面画像の各々から、前記設定手段による設定に用いる前記第二の平面画像を選択することを特徴とする請求項8に記載の眼科装置。 The said boundary acquisition means selects the said 2nd plane image used for the setting by the said setting means from each of the said 2nd plane image image | photographed in the said several focus position, The Claim 8 characterized by the above-mentioned. The ophthalmic device described. 被検眼の眼底において視細胞が存在する領域と存在しない領域との境界を取得する境界取得手段と、
前記取得した境界を、前記被検眼の眼底において平面画像を撮影した撮影位置に対応づける位置合わせ手段と、
前記取得した視細胞の存在領域の境界に基づき、前記平面画像とは解像度において異なる第二の平面画像を取得する画像取得手段と、
を備えたことを特徴とする眼科装置。
Boundary acquisition means for acquiring a boundary between a region where a photoreceptor cell is present and a region where the photoreceptor cell is not present in the fundus of the subject eye;
Alignment means for associating the acquired boundary with an imaging position at which a planar image is captured on the fundus of the eye to be examined;
An image acquisition means for acquiring a second plane image different in resolution from the plane image based on the boundary of the acquired region of photoreceptor cells;
An ophthalmologic apparatus comprising:
前記境界は、前記被検眼についてのOCT断層像に基づいて取得することを特徴とする請求項10に記載の眼科装置。   The ophthalmic apparatus according to claim 10, wherein the boundary is acquired based on an OCT tomographic image of the eye to be examined. 前記境界は、過去に取得した前記被検眼の平面画像より取得することを特徴とする請求項10に記載の眼科装置。   The ophthalmic apparatus according to claim 10, wherein the boundary is acquired from a planar image of the eye to be examined acquired in the past. 前記境界が、過去に取得した複数の境界であることを特徴とする請求項10に記載の眼科装置。   The ophthalmic apparatus according to claim 10, wherein the boundary is a plurality of boundaries acquired in the past. 前記境界取得手段は、前記過去に取得した複数の境界の差分を解析対象領域として抽出することを特徴とする請求項13に記載の眼科装置。   The ophthalmic apparatus according to claim 13, wherein the boundary acquisition unit extracts a difference between the plurality of boundaries acquired in the past as an analysis target region. 請求項1乃至14の何れか一項に記載の眼科装置の各手段としてコンピュータを機能させるためのプログラム。   The program for functioning a computer as each means of the ophthalmologic apparatus as described in any one of Claims 1 thru | or 14. 請求項15に記載のプログラムを記憶した記憶媒体。   A storage medium storing the program according to claim 15. 被検眼の眼底の平面画像を取得する画像取得工程と、
前記平面画像から、前記被検眼の視細胞が存在する存在領域と前記視細胞が存在しない領域との境界を取得する境界取得工程と、
複数の記平面画像から取得した前記境界に基づき、前記眼底における前記視細胞の存在領域を設定する設定工程と、
含むことを特徴とする眼科装置の制御方法。
An image acquisition step of acquiring a planar image of the fundus of the eye to be examined;
From the planar image, a boundary acquisition step for acquiring a boundary between a region where the photoreceptor cells of the eye to be examined are present and a region where the photoreceptor cells are not present,
Based on the boundary obtained from a plurality of pre Kitaira surface image, and a setting step of setting a presence area of the photoreceptor cells in the fundus,
Control method for an ophthalmologic apparatus, which comprises a.
請求項17に記載の眼科装置の制御方法の各工程をコンピュータに実行させることを特徴とするプログラム。   A program for causing a computer to execute each step of the method for controlling an ophthalmic apparatus according to claim 17.
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