JP2004078344A - Safety confirmation method by picture - Google Patents
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【０００１】
【発明の属する技術分野】
本発明は、病院や福祉施設における重症者または痴呆性老人の行動をモニター画面で監視して安全を確保する画像による安全確認方法であって、特に患者や被介護者に対する安全確認とプライバシー保護に配慮した画像による安全確認方法に関する。
【０００２】
【従来の技術】
従来は、病院や福祉施設における患者（被介護者を含む）の安全確認のために病室や廊下灯にカメラを設置して、その画像をナースステーションで見ていた。
【０００３】
【発明が解決しようとする課題】
しかし、従来の画像による安全確認方法では患者の画像がそのまま映し出されるために特に患者の身内や親戚に対するプライバシー保護に対する配慮が十分ではないという問題があった。
【０００４】
本発明はこのような点に鑑みてなされたものであり、患者の行動を監視して安全を確保すると共に、特に患者の身内や親戚に対するプライバシー保護に配慮した画像による安全確認方法を提供することを目的とする。
【０００５】
【課題を解決するための手段】
上記課題を解決するために本発明の画像による安全確認方法は、病院や福祉施設における重症者または痴呆性老人の行動をモニター画面で監視して安全を確保する画像による安全確認方法において、病室内に設置された病室内カメラで誰も居ない病室を撮影した画像を病室内背景画像とし、名前の分かっている特定の要監視患者Ａが居る時の病室を撮影した画像を病室内要監視患者Ａ画像とし、これらの病室内背景画像と病室内要監視患者Ａ画像との画像間差分による変化検出により要監視患者Ａの画像を切り出し、この切り出した要監視患者Ａの画像を中抜きし，色付けし，縞模様と名前等を付して要監視患者Ａシルエットに変換し、病室内カメラで病室内を連続撮影した画像を病室内連続画像とし、これらの病室内連続画像の画像間差分による変化検出により病室内の要監視患者Ａの移動を前記モニター画面で要監視患者Ａシルエットとして表示させ、病室内カメラが出入口近傍の基準線上に居る要監視患者Ａを撮影した場合には、要監視患者Ａが病室の出口近傍に居る旨が病室外に設置された病室外カメラに通知され、前記通知された病室外カメラで病室外を連続撮影した画像を病室外連続画像とし、これらの連続画像の画像間差分による変化検出により病室外における要監視患者Ａの移動を前記モニター画面で要監視患者Ａシルエットとして表示させ、ナースステーションのモニター画面に表示されるこれらの要監視患者Ａシルエットを監視することに特徴を有している。
【０００６】
また、本発明の画像による安全確認方法は、前記要監視患者シルエットの代わりに、予め、要監視患者ごとに設定しておいた設定シルエットを使用することに特徴を有している。
【０００７】
さらに、本発明の画像による安全確認方法は、前記病室内背景画像と前記病室外カメラにより撮影される人物以外の病室外背景画像の代わりに予め作製された背景画像を用いることに特徴を有している。
【０００８】
【発明の実施の形態】
本発明では、カメラで映した画像をモニターに映し出す前に、人の画像をシルエットにし、そのシルエットを、たとえば、女子は赤色に、男子は青色に色分けして識別すると共に、そのシルエット内に名前を表示して、そのシルエットの移動と共に名前も移動することを特徴とする。
ある患者の画像を要監視患者の画像と認定する方法として、病室内の決められたベッドに居る名前の分かっている特定の要監視患者を病室カメラで映した画像を特定の要監視患者の画像と認定することを特徴とする。
病室内カメラが特定の要監視患者が室外に出ようとしているのを撮影した場合には、病室外カメラにその旨が連絡されることを特徴とする。
カメラで撮影される病室内外の背景画像の代わりに作製した背景画像を用いることを特徴とする。
【０００９】
【実施例】
（第１実施例）
以下、本発明の第１実施例を図面に基づいて説明する。
図１は、本発明の第１実施例における画像による安全確認方法を説明するフローチャート図である。図においてＳに続く数値はステップ番号を示す。
〔Ｓ１〕病室内に設置された病室内カメラで誰も居ない時の病室を撮影した画像を病室内背景画像とする。
〔Ｓ２〕○○病室△△号ベッドの患者は要監視患者Ａさんであることが分かっており、特定できる。この○○病室△△号ベッドに要監視患者Ａが居る時の病室を撮影することにより、この撮影画像と前述の病室内背景画像の画像間差分による変化検出により○○病室△△号ベッドの要監視患者Ａの画像を切り出すことができる。
この切り出した要監視患者Ａの画像を中抜きし，色付けし，縞模様と名前等を付したシルエットに変換し、この変換したシルエットを要監視患者Ａのシルエットと定める。
モニター画面には○○病室の病室内背景画像と第△△号ベッドに居る要監視患者Ａのシルエットが表示される。勿論、シルエットには色，縞模様とＡさんの名前等が付されている。
【００１０】
〔Ｓ３〕病室内カメラは、病室内を移動する要監視患者Ａさんを連続撮影する。モニター画面には連続画像の画像間差分による変化検出により病室内を移動する要監視患者Ａさんのシルエットが表示される。
〔Ｓ４〕要監視患者Ａが病室の外に出ようとし、出口近傍の設定されているある基準線に到達しているのを病室内カメラが撮影した時は、病室外カメラにはその旨が通達される。
病室外カメラは○○病室から出てくる患者は要監視患者Ａであることを認識することができる。
モニター画面には○○病室から出てくる要監視患者Ａさんのシルエットが表示される。
〔Ｓ５〕病室外カメラは、病室外を移動する要監視患者Ａさんを連続撮影する。モニター画面には連続画像の画像間差分による変化検出により病室外を移動する要監視患者Ａさんのシルエットが表示される。
【００１１】
（第２実施例）
本発明の第２実施例は、個別の要監視患者と関連付けたシルエットを予め設定しておくことにある。
上記対応表のように要監視患者とそのシルエットを予め設定しておくことにより、病室内カメラで３号室の１の患者を撮影できれば、撮影された患者の撮影画像の形状に関係なく滝川昇の青色で縦縞、名前入りのシルエットをモニター画面に表示することができる。従って、画像処理で最も難しい人物の特定が比較的容易に達成できる。
【００１３】
さらに、個別の患者と関連付けたシルエットを寝ている状態、立っている状態、歩いている状態等、複数予め設定しておけばよりリアルなモニター画面が得られる。
【００１４】
（第３実施例）
通常、天井に設置された病室外カメラで廊下を歩行中の要監視患者を撮影した場合には、モニター画面では要監視患者が廊下のどの辺に居るのか明瞭でなく、相対位置が分かり難い。そこで本発明の第３実施例は、病室内背景画像や病室外背景画像（廊下等）も予めモニター用に準備しておくことにある。従って、モニター画面には廊下を移動する要監視患者のシルエットを横からの目線で監視している状態にすることができる。
【００１５】
【発明の効果】
以上説明したように、本発明の画像による安全確認方法は、病院や福祉施設における重症者または痴呆性老人の行動をモニター画面で監視して安全を確保する画像による安全確認方法において、病室内に設置された病室内カメラで誰も居ない病室を撮影した画像を病室内背景画像とし、名前の分かっている特定の要監視患者Ａが居る時の病室を撮影した画像を病室内要監視患者Ａ画像とし、これらの病室内背景画像と病室内要監視患者Ａ画像との画像間差分による変化検出により要監視患者Ａの画像を切り出し、この切り出した要監視患者Ａの画像を中抜きし，色付けし，縞模様と名前等を付して要監視患者Ａシルエットに変換し、病室内カメラで病室内を連続撮影した画像を病室内連続画像とし、これらの病室内連続画像の画像間差分による変化検出により病室内の要監視患者Ａの移動を前記モニター画面で要監視患者Ａシルエットとして表示させ、病室内カメラが出入口近傍の基準線上に居る要監視患者Ａを撮影した場合には、要監視患者Ａが病室の出口近傍に居る旨が病室外に設置された病室外カメラに通知され、前記通知された病室外カメラで病室外を連続撮影した画像を病室外連続画像とし、これらの連続画像の画像間差分による変化検出により病室外における要監視患者Ａの移動を前記モニター画面で要監視患者Ａシルエットとして表示させ、ナースステーションのモニター画面に表示されるこれらの要監視患者Ａシルエットを監視するので、
また、前記要監視患者シルエットの代わりに、予め、要監視患者ごとに設定しておいた設定シルエットを使用するので、
さらに、前記病室内背景画像と前記病室外カメラにより撮影される人物以外の病室外背景画像の代わりに予め作製された背景画像を用いるので、
要監視患者の行動を監視して安全を確保すると共に、特に要監視患者の身内や親戚に対するプライバシー保護に配慮した画像による安全確認方法を提供することができる。
【図面の簡単な説明】
【図１】本発明の第１実施例における画像による安全確認方法を説明するフローチャート図である。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is a safety confirmation method using images to monitor the behavior of a seriously ill or demented elderly person in a hospital or a welfare facility on a monitor screen to ensure safety. It relates to a safety confirmation method using a considered image.
[0002]
[Prior art]
Conventionally, cameras were installed in hospital rooms and corridor lights to check the safety of patients (including care receivers) in hospitals and welfare facilities, and the images were viewed at nurse stations.
[0003]
[Problems to be solved by the invention]
However, the conventional method of confirming safety using images has a problem that since the image of a patient is displayed as it is, consideration is not sufficiently given to privacy protection especially for the relatives and relatives of the patient.
[0004]
The present invention has been made in view of the above circumstances, and provides a method of monitoring a patient's behavior to ensure safety and to provide a method of confirming safety by using an image in consideration of privacy protection, especially for a patient's relatives and relatives. With the goal.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a safety confirmation method using images according to the present invention is a method for confirming safety by monitoring the behavior of a seriously ill or demented elderly person in a hospital or a welfare facility on a monitor screen. An image obtained by photographing a room where no one is present with the room camera installed in the room is set as a background image of the room, and an image obtained by photographing the room when a specific patient A requiring monitoring with a known name is present is a patient requiring monitoring in the room. An A image is obtained, and an image of the patient A requiring monitoring is cut out by detecting a change based on an image difference between the background image in the patient room and the patient A image requiring monitoring in the patient room, and the cut out image of the patient A requiring monitoring is cut out. The image is converted to a patient A silhouette requiring surveillance by adding a color, a striped pattern, a name, and the like. The movement of the patient A to be monitored in the sickroom is displayed on the monitor screen as a silhouette of the patient A to be monitored by the change detection, and when the camera in the sickroom captures the patient A required to be monitored on the reference line near the entrance, the required The fact that the monitored patient A is in the vicinity of the exit of the hospital room is notified to the camera outside the patient room installed outside the patient room, and an image obtained by continuously photographing the outside of the patient room with the notified camera outside the patient room is used as a continuous image outside the patient room. The movement of the patient A requiring monitoring outside the hospital room is displayed as a patient A requiring monitoring on the monitor screen by detecting a change based on the difference between images of the images, and these patient A silhouettes requiring monitoring displayed on the monitor screen of the nurse station are monitored. It is characterized by
[0006]
Further, the safety confirmation method using images according to the present invention is characterized in that a set silhouette set in advance for each patient requiring monitoring is used instead of the silhouette requiring monitoring patient.
[0007]
Furthermore, the safety confirmation method using an image of the present invention is characterized in that a background image prepared in advance is used instead of the background image outside the room other than the person photographed by the camera outside the room and the background image inside the room. ing.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
In the present invention, before displaying the image projected by the camera on the monitor, the image of the person is made into a silhouette, and the silhouette is identified by, for example, being colored red for girls and blue for boys, and having a name in the silhouette. Is displayed, and the name moves with the movement of the silhouette.
One way to qualify an image of a patient as an image of a patient requiring surveillance is to use an image of a specific patient requiring surveillance in a patient's room on a designated bed with a camera that has a known name. It is characterized by being certified.
When the in-room camera captures an image of a specific patient requiring monitoring going out of the room, the camera is notified of the fact to the out-of-room camera.
It is characterized in that a background image created is used in place of a background image inside and outside of a hospital room captured by a camera.
[0009]
【Example】
(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a flowchart illustrating a method for confirming safety using an image according to the first embodiment of the present invention. In the figure, a numerical value following S indicates a step number.
[S1] An image obtained by photographing a sickroom when no one is present with a sickroom camera installed in the sickroom is set as a sickroom background image.
[S2] It is known that the patient on the bed No. ○ of the ○ sickroom is the patient A who needs to be monitored and can be specified. By taking an image of the sickroom when the patient A to be monitored is present in the bed of the sickroom ○, the change in the captured image and the background image of the sickroom is detected by the difference between the images and the background image of the sickroom. An image of the patient A requiring monitoring can be cut out.
The image of the patient A requiring monitoring is cut out, colored, converted into a silhouette with a stripe pattern and a name, and the converted silhouette is determined as the silhouette of the patient A requiring monitoring.
On the monitor screen, a background image of the room in the XX hospital room and the silhouette of the patient A to be monitored in the No. 2 bed are displayed. Of course, the silhouette is given a color, a striped pattern and the name of Mr. A.
[0010]
[S3] The room camera continuously photographs the patient A who needs to be monitored moving in the room. The monitor screen displays the silhouette of the patient A who needs to be monitored and moves in the hospital room by detecting a change based on the difference between consecutive images.
[S4] When the camera in the room takes a picture of the patient A to be monitored going out of the room and reaching a certain reference line set near the exit, the camera outside the room indicates to that effect. Notified.
The camera outside the room can recognize that the patient coming out of the room is the patient A requiring monitoring.
On the monitor screen, the silhouette of the patient A who needs to be monitored coming out of the XX hospital room is displayed.
[S5] The outside-of-hospital camera continuously photographs the patient A who needs to be monitored and moves outside the ward. The monitor screen displays the silhouette of the patient A who needs to be monitored and moves outside the hospital room by detecting a change based on the difference between consecutive images.
[0011]
(Second embodiment)
A second embodiment of the present invention is to preset a silhouette associated with an individual patient requiring monitoring.
By setting the patient to be monitored and its silhouette in advance as shown in the above correspondence table, if one patient in room 3 can be photographed with the camera in the hospital room, regardless of the shape of the photographed image of the photographed patient, The vertical stripes and the silhouette with the name can be displayed on the monitor screen in blue. Therefore, identification of the most difficult person in image processing can be achieved relatively easily.
[0013]
Further, if a plurality of silhouettes associated with individual patients are set in advance such as a sleeping state, a standing state, and a walking state, a more realistic monitor screen can be obtained.
[0014]
(Third embodiment)
Normally, when an image of a patient requiring monitoring while walking in a corridor is taken with a camera outside the hospital room installed on the ceiling, it is not clear on the monitor screen which side of the corridor the patient requiring monitoring is, and the relative position is difficult to understand. Therefore, a third embodiment of the present invention is to prepare a background image in a hospital room and a background image outside the room (corridor, etc.) in advance for monitoring. Accordingly, the silhouette of the patient requiring monitoring moving in the corridor can be monitored on the monitor screen from the side.
[0015]
【The invention's effect】
As described above, the safety confirmation method using images according to the present invention is a method for confirming safety by monitoring the behavior of a severely ill or demented elderly person in a hospital or a welfare facility on a monitor screen. The image of the room where no one is present is taken as the background image of the room with the camera installed in the room, and the image of the room where there is a specific patient A with a known name is taken. The images of the patient A requiring monitoring are cut out by detecting a change based on the difference between the background image of the patient room and the image of the patient A requiring monitoring in the patient room, and the image of the patient A requiring monitoring is cut out and colored. Then, the image is converted to a monitoring required patient A silhouette by adding a stripe pattern and a name, and an image obtained by continuously photographing the room with the camera in the room is taken as a continuous image in the room. The movement of the patient A to be monitored in the sickroom is displayed on the monitor screen as a silhouette of the patient A to be monitored by the change detection, and when the patient in the sickroom takes a picture of the patient A to be monitored on the reference line near the entrance, monitoring is required. The fact that the patient A is near the exit of the hospital room is notified to the camera outside the patient room installed outside the patient room, and an image obtained by continuously photographing the outside of the patient room with the notified camera outside the patient room is used as a continuous image outside the patient room, and these continuous images The movement of the patient A requiring monitoring outside the hospital room is displayed as the silhouette of the patient A requiring monitoring on the monitor screen by detecting the change due to the difference between the images, and the silhouettes of the patient A requiring monitoring displayed on the monitor screen of the nurse station are monitored. So
Also, in place of the above-mentioned monitored patient silhouette, a set silhouette set in advance for each monitored patient is used.
Furthermore, since a background image prepared in advance is used instead of the outside room room background image other than the person photographed by the room outside background image and the room outside camera,
It is possible to provide a method of confirming the safety of an image of a patient requiring monitoring by taking into account privacy protection for his / her relatives and relatives, while monitoring the behavior of the patient requiring monitoring.
[Brief description of the drawings]
FIG. 1 is a flowchart illustrating a method for confirming safety using an image according to a first embodiment of the present invention.
Claims (3)
病室内に設置された病室内カメラで誰も居ない病室を撮影した画像を病室内背景画像とし、
名前の分かっている特定の要監視患者Ａが居る時の病室を撮影した画像を病室内要監視患者Ａ画像とし、
これらの病室内背景画像と病室内要監視患者Ａ画像との画像間差分による変化検出により要監視患者Ａの画像を切り出し、
この切り出した要監視患者Ａの画像を中抜きし，色付けし，縞模様と名前等を付して要監視患者Ａシルエットに変換し、
病室内カメラで病室内を連続撮影した画像を病室内連続画像とし、
これらの病室内連続画像の画像間差分による変化検出により病室内の要監視患者Ａの移動を前記モニター画面で要監視患者Ａシルエットとして表示させ、
病室内カメラが出入口近傍の基準線上に居る要監視患者Ａを撮影した場合には、要監視患者Ａが病室の出口近傍に居る旨が病室外に設置された病室外カメラに通知され、
前記通知された病室外カメラで病室外を連続撮影した画像を病室外連続画像とし、
これらの連続画像の画像間差分による変化検出により病室外における要監視患者Ａの移動を前記モニター画面で要監視患者Ａシルエットとして表示させ、
ナースステーションのモニター画面に表示されるこれらの要監視患者Ａシルエットを監視することを特徴とする画像による安全確認方法。In a safety confirmation method using images to monitor the behavior of a seriously ill or demented elderly person (hereinafter abbreviated as a patient requiring monitoring) in a hospital or welfare facility on a monitor screen to ensure safety,
An image of a room where no one is present is taken with the room camera installed in the room as the background image of the room,
An image obtained by photographing a hospital room when a specific patient requiring monitoring A whose name is known is present as a patient A monitoring required patient image,
The image of the patient A requiring monitoring is cut out by detecting a change between the images of the room background image and the image of the patient A requiring monitoring in the room, and
The extracted image of the patient A requiring monitoring is cut out, colored, converted into a silhouette of the patient A requiring monitoring with a stripe pattern and a name,
Images taken continuously in the room with the camera in the room are taken as continuous images in the room,
The movement of the patient A requiring monitoring in the patient room is displayed as the silhouette of the patient A requiring monitoring on the monitor screen by detecting a change based on the difference between the images of these consecutive images in the patient room,
When the in-room camera has taken a patient A to be monitored on a reference line near the entrance, the camera outside the room installed outside the room is notified that the patient A to be monitored is near the exit of the room,
An image taken continuously from outside the room with the notified outside room camera as a continuous room outside image,
The movement of the patient A requiring monitoring outside the hospital room is displayed as a silhouette of the patient A requiring monitoring on the monitor screen by detecting a change by the difference between the images of these continuous images,
A safety confirmation method using an image characterized by monitoring the silhouette of the patient A requiring monitoring displayed on the monitor screen of the nurse station.
予め、要監視患者ごとに設定しておいた設定シルエットを使用することを特徴とする請求項１に記載の画像による安全確認方法。Instead of the monitoring required patient silhouette,
The method according to claim 1, wherein a set silhouette set in advance for each patient requiring monitoring is used.
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| JP2002234649A JP2004078344A (en) | 2002-08-12 | 2002-08-12 | Safety confirmation method by picture |
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| JP2002234649A JP2004078344A (en) | 2002-08-12 | 2002-08-12 | Safety confirmation method by picture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005252657A (en) * | 2004-03-04 | 2005-09-15 | Nikon Corp | Electronic still camera |
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|---|---|---|---|---|
| JPH0476698A (en) * | 1990-07-13 | 1992-03-11 | Toshiba Corp | Picture monitoring device |
| JPH11154287A (en) * | 1997-11-21 | 1999-06-08 | Tomonori Yanagida | Emergency monitoring device |
| JPH11347003A (en) * | 1998-06-08 | 1999-12-21 | Toshiba Corp | Remote diagnosis system, terminal unit on doctor's side, and terminal unit on patient's side |
| JP2000000216A (en) * | 1998-06-12 | 2000-01-07 | Toshiba Eng Co Ltd | Behavior monitoring device and behavior monitoring and supporting system |
| JP2001052270A (en) * | 1999-08-10 | 2001-02-23 | Tokyu Community Corp | Remote monitor system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0476698A (en) * | 1990-07-13 | 1992-03-11 | Toshiba Corp | Picture monitoring device |
| JPH11154287A (en) * | 1997-11-21 | 1999-06-08 | Tomonori Yanagida | Emergency monitoring device |
| JPH11347003A (en) * | 1998-06-08 | 1999-12-21 | Toshiba Corp | Remote diagnosis system, terminal unit on doctor's side, and terminal unit on patient's side |
| JP2000000216A (en) * | 1998-06-12 | 2000-01-07 | Toshiba Eng Co Ltd | Behavior monitoring device and behavior monitoring and supporting system |
| JP2001052270A (en) * | 1999-08-10 | 2001-02-23 | Tokyu Community Corp | Remote monitor system |
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| JP2005252657A (en) * | 2004-03-04 | 2005-09-15 | Nikon Corp | Electronic still camera |
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