JPWO2021240769A5 - Occupant Detection Device, Child Abandoned Alarm System, Occupant Detection Method and Child Abandoned Alarm Method - Google Patents
Occupant Detection Device, Child Abandoned Alarm System, Occupant Detection Method and Child Abandoned Alarm Method Download PDFInfo
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Description
本開示に係る乗員検出装置は、車両内を撮影した画像である車内画像を取得する車内画像取得部と、車内画像から人物の顔を探索し、検出された顔の位置を特定する顔検出部と、電磁波センサにより検出された車両内の生体情報を取得する生体情報取得部と、生体情報に基づいて車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定する生体検出部と、人物の顔の位置又は生体の位置およびサイズに基づいて、車両の座席の乗員の有無および座席にいる乗員の属性を判断する乗員判断部と、を備え、乗員判断部は、人物の顔が検出されなかった座席で生体が検出された場合に、その座席の乗員の属性を生体のサイズに基づいて判断する。
The occupant detection device according to the present disclosure includes an in-vehicle image acquisition unit that acquires an in-vehicle image that is an image of the inside of the vehicle, and a face detection unit that searches for a person's face from the in-vehicle image and identifies the position of the detected face. a biometric information acquisition unit that acquires biometric information in the vehicle detected by the electromagnetic wave sensor; and a biometric detection that searches for a biometric entity present in the vehicle based on the biometric information and identifies the position and size of the detected biometric entity. and an occupant determination unit that determines the presence or absence of an occupant in a seat of a vehicle and the attributes of the occupant in the seat based on the position of the person's face or the position and size of the living body , the occupant determination unit determines the attributes of the occupant of the seat based on the size of the living body when the living body is detected in the seat where the human face is not detected .
Claims (14)
前記車内画像から人物の顔を探索し、検出された顔の位置を特定する顔検出部と、
電磁波センサにより検出された前記車両内の生体情報を取得する生体情報取得部と、
前記生体情報に基づいて前記車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定する生体検出部と、
前記人物の顔の位置又は前記生体の位置およびサイズに基づいて、前記車両の座席の乗員の有無および座席にいる乗員の属性を判断する乗員判断部と、
を備え、
前記乗員判断部は、前記人物の顔が検出されなかった座席で前記生体が検出された場合に、その座席の乗員の属性を前記生体のサイズに基づいて判断する、
乗員検出装置。 an in-vehicle image acquisition unit that acquires an in-vehicle image that is an image of the inside of the vehicle;
a face detection unit that searches for a person's face from the in-vehicle image and identifies the position of the detected face;
a biological information acquisition unit that acquires biological information in the vehicle detected by an electromagnetic wave sensor;
a living body detection unit that searches for a living body existing in the vehicle based on the living body information and specifies the position and size of the detected living body;
an occupant determination unit that determines the presence or absence of an occupant in the seat of the vehicle and attributes of the occupant in the seat based on the position of the person's face or the position and size of the living body;
with
When the living body is detected in a seat where the face of the person is not detected, the occupant determination unit determines the attribute of the occupant of the seat based on the size of the living body.
Occupant detection device.
前記車内画像から人物の顔を探索し、検出された顔の位置を特定する顔検出部と、
電磁波センサにより検出された前記車両内の生体情報を取得する生体情報取得部と、
前記生体情報に基づいて前記車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定する生体検出部と、
前記人物の顔の位置又は前記生体の位置およびサイズに基づいて、前記車両の座席の乗員の有無および座席にいる乗員の属性を判断する乗員判断部と、
を備え、
前記乗員判断部は、前記人物の顔が検出された座席で前記生体が検出されなかった場合、その座席は空席と判断する、
乗員検出装置。 an in-vehicle image acquisition unit that acquires an in-vehicle image that is an image of the inside of the vehicle;
a face detection unit that searches for a person's face from the in-vehicle image and identifies the position of the detected face;
a biological information acquisition unit that acquires biological information in the vehicle detected by an electromagnetic wave sensor;
a living body detection unit that searches for a living body existing in the vehicle based on the living body information and specifies the position and size of the detected living body;
an occupant determination unit that determines the presence or absence of an occupant in the seat of the vehicle and attributes of the occupant in the seat based on the position of the person's face or the position and size of the living body;
with
The occupant determination unit determines that the seat is vacant if the living body is not detected in the seat where the person's face is detected.
Occupant detection device.
前記車内画像から人物の顔を探索し、検出された顔の位置を特定する顔検出部と、
電磁波センサにより検出された前記車両内の生体情報を取得する生体情報取得部と、
前記生体情報に基づいて前記車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定する生体検出部と、
前記人物の顔の位置又は前記生体の位置およびサイズに基づいて、前記車両の座席の乗員の有無および座席にいる乗員の属性を判断する乗員判断部と、
前記人物の顔の変化を監視することで当該人物の表情の変化を検出する表情変化検出部と、
を備え、
前記乗員判断部は、前記人物の表情に一定時間以上変化がない場合、その人物の顔が検出された座席の乗員の属性を、前記人物の画像ではなく、前記生体のサイズに基づいて判断する、
乗員検出装置。 an in-vehicle image acquisition unit that acquires an in-vehicle image that is an image of the inside of the vehicle;
a face detection unit that searches for a person's face from the in-vehicle image and identifies the position of the detected face;
a biological information acquisition unit that acquires biological information in the vehicle detected by an electromagnetic wave sensor;
a living body detection unit that searches for a living body existing in the vehicle based on the living body information and specifies the position and size of the detected living body;
an occupant determination unit that determines the presence or absence of an occupant in the seat of the vehicle and attributes of the occupant in the seat based on the position of the person's face or the position and size of the living body;
an expression change detection unit that detects changes in facial expression of the person by monitoring changes in the person's face;
with
The occupant determination unit determines the attribute of the occupant of the seat where the person's face is detected based on the size of the living body instead of the image of the person when the facial expression of the person does not change for a predetermined period of time or more. ,
Occupant detection device.
請求項１から請求項３のいずれか一項に記載の乗員検出装置。The occupant detection device according to any one of claims 1 to 3.
請求項１から請求項４のいずれか一項に記載の乗員検出装置。 The living body detection unit determines the position and size of the living body based on a distribution of detection points of vital signs included in the biological information.
The occupant detection device according to any one of claims 1 to 4 .
請求項１から請求項５のいずれか一項に記載の乗員検出装置。 The occupant determination unit determines the attribute of the occupant of the seat where the person's face is detected by estimating the age of the person based on the in-vehicle image .
The occupant detection device according to any one of claims 1 to 5 .
請求項６に記載の乗員検出装置。 The occupant determination unit estimates the age of the person from the facial features of the person,
The occupant detection device according to claim 6 .
請求項６に記載の乗員検出装置。 The occupant determination unit estimates the age of the person from the skeletal features of the person.
The occupant detection device according to claim 6 .
前記乗員判断部は、前記チャイルドシートが設置された座席で前記生体が検出された場合、その座席に子供がいると判断する、
請求項１から請求項８のいずれか一項に記載の乗員検出装置。 Further equipped with a child seat detection unit that detects the seat where the child seat is installed,
The occupant determination unit determines that there is a child in the seat when the living body is detected in the seat in which the child seat is installed.
The occupant detection device according to any one of claims 1 to 8 .
前記乗員判断部による乗員の属性の判断結果に基づいて、前記車両内の乗員が子供だけの状態であることが検出された場合に、警報を発する警報出力部と、 an alarm output unit that issues an alarm when it is detected that the occupants in the vehicle are children only, based on the judgment result of the occupant attributes by the occupant judgment unit;
を備える、comprising
子供置き去り警報システム。Child Abandonment Alarm System.
前記乗員検出装置の顔検出部が、前記車内画像から人物の顔を探索し、検出された顔の位置を特定し、
前記乗員検出装置の生体情報取得部が、電磁波センサにより検出された前記車両内の生体情報を取得し、
前記乗員検出装置の生体検出部が、前記生体情報に基づいて前記車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定し、
前記乗員検出装置の乗員判断部が、前記人物の顔の位置又は前記生体の位置およびサイズに基づいて、前記車両の座席の乗員の有無および座席にいる乗員の属性を判断し、
前記乗員判断部は、前記人物の顔が検出されなかった座席で前記生体が検出された場合に、その座席の乗員の属性を前記生体のサイズに基づいて判断する、
乗員検出方法。 an in-vehicle image acquisition unit of the occupant detection device acquires an in-vehicle image, which is an image of the interior of the vehicle;
The face detection unit of the occupant detection device searches for a person's face from the in-vehicle image and identifies the position of the detected face,
The biological information acquisition unit of the occupant detection device acquires biological information in the vehicle detected by an electromagnetic wave sensor,
a living body detection unit of the occupant detection device searches for a living body present in the vehicle based on the living body information, and identifies the position and size of the detected living body;
The occupant determination unit of the occupant detection device determines the presence or absence of an occupant in the seat of the vehicle and the attribute of the occupant in the seat based on the position of the person's face or the position and size of the living body;
When the living body is detected in a seat where the face of the person is not detected, the occupant determination unit determines the attribute of the occupant of the seat based on the size of the living body.
Occupant detection method.
前記乗員検出装置の顔検出部が、前記車内画像から人物の顔を探索し、検出された顔の位置を特定し、
前記乗員検出装置の生体情報取得部が、電磁波センサにより検出された前記車両内の生体情報を取得し、
前記乗員検出装置の生体検出部が、前記生体情報に基づいて前記車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定し、
前記乗員検出装置の乗員判断部が、前記人物の顔の位置又は前記生体の位置およびサイズに基づいて、前記車両の座席の乗員の有無および座席にいる乗員の属性を判断し、
前記乗員判断部は、前記人物の顔が検出された座席で前記生体が検出されなかった場合、その座席は空席と判断する、
乗員検出方法。 an in-vehicle image acquisition unit of the occupant detection device acquires an in-vehicle image, which is an image of the interior of the vehicle;
The face detection unit of the occupant detection device searches for a person's face from the in-vehicle image and identifies the position of the detected face,
The biological information acquisition unit of the occupant detection device acquires biological information in the vehicle detected by an electromagnetic wave sensor,
a living body detection unit of the occupant detection device searches for a living body present in the vehicle based on the living body information, and identifies the position and size of the detected living body;
The occupant determination unit of the occupant detection device determines the presence or absence of an occupant in the seat of the vehicle and the attribute of the occupant in the seat based on the position of the person's face or the position and size of the living body;
The occupant determination unit determines that the seat is vacant if the living body is not detected in the seat where the person's face is detected.
Occupant detection method.
前記乗員検出装置の顔検出部が、前記車内画像から人物の顔を探索し、検出された顔の位置を特定し、
前記乗員検出装置の生体情報取得部が、電磁波センサにより検出された前記車両内の生体情報を取得し、
前記乗員検出装置の生体検出部が、前記生体情報に基づいて前記車両内に存在する生体を探索し、検出された生体の位置およびサイズを特定し、
前記乗員検出装置の乗員判断部が、前記人物の顔の位置又は前記生体の位置およびサイズに基づいて、前記車両の座席の乗員の有無および座席にいる乗員の属性を判断し、
前記乗員検出装置の表情変化検出部が、前記人物の顔の変化を監視することで当該人物の表情の変化を検出し、
前記乗員判断部は、前記人物の表情に一定時間以上変化がない場合、その人物の顔が検出された座席の乗員の属性を、前記人物の画像ではなく、前記生体のサイズに基づいて判断する、
乗員検出方法。 an in-vehicle image acquisition unit of the occupant detection device acquires an in-vehicle image, which is an image of the interior of the vehicle;
The face detection unit of the occupant detection device searches for a person's face from the in-vehicle image and identifies the position of the detected face,
The biological information acquisition unit of the occupant detection device acquires biological information in the vehicle detected by an electromagnetic wave sensor,
a living body detection unit of the occupant detection device searches for a living body present in the vehicle based on the living body information, and identifies the position and size of the detected living body;
The occupant determination unit of the occupant detection device determines the presence or absence of an occupant in the seat of the vehicle and the attribute of the occupant in the seat based on the position of the person's face or the position and size of the living body;
The expression change detection unit of the occupant detection device detects changes in the person's facial expression by monitoring changes in the person's face,
The occupant determination unit determines the attribute of the occupant of the seat where the person's face is detected based on the size of the living body instead of the image of the person when the facial expression of the person does not change for a predetermined period of time or more. ,
Occupant detection method.
前記乗員判断部による乗員の属性の判断結果に基づいて、前記車両内の乗員が子供だけの状態であることが検出された場合に、子供置き去り警報システムの警報出力部が警報を発する、 When it is detected that the occupant in the vehicle is a child alone based on the judgment result of the occupant attribute by the occupant judgment unit, the alarm output unit of the child abandonment alarm system issues an alarm.
子供置き去り警報方法。Child abandonment alert method.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/021303 WO2021240769A1 (en) | 2020-05-29 | 2020-05-29 | Passenger detection device and passenger detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021240769A1 JPWO2021240769A1 (en) | 2021-12-02 |
| JPWO2021240769A5 true JPWO2021240769A5 (en) | 2022-09-02 |
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