JP2006099614A5

JP2006099614A5 -

Info

Publication number: JP2006099614A5
Application number: JP2004287237A
Authority: JP
Filing date: 2004-09-30
Publication date: 2007-11-15

Claims

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for acquiring an image including biological information of the object;
A living body detecting means for detecting a living body region from the image acquired by the image acquiring means;
The image feature of the living body region detected by the living body detection means is compared with the image feature of the living body region obtained when a normal object obtained in advance is present at a predetermined position, A living body discriminating means for discriminating that the object is non-living when it is determined that there is a difference greater than the value;
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for acquiring an image including biological information of the object;
A living body detecting means for detecting a living body region from the image acquired by the image acquiring means;
Distance measuring means for measuring the distance from the image acquisition means to the object;
The relationship between the image feature of the living body area detected by the living body detecting means and the distance measured by the distance measuring means is the relationship between the image feature of the living body area obtained from the normal object obtained in advance and the normal object. Compared with the relationship between the object obtained when present at a predetermined position and the distance between the image acquisition means, and when it is determined that there is a difference greater than a predetermined value between the two objects, the object is not A living body discriminating means for discriminating that the body is a living body;
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for acquiring an image including biological information of the object;
A living body detecting means for detecting a living body region from the image acquired by the image acquiring means;
When it is detected whether an object other than a living body exists in an area other than the living body area detected by the living body detecting means in the image acquired by the image acquiring means, and the presence of an object other than the living body is detected And a living body discriminating means for discriminating that the object is non-living,
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for acquiring an image including biological information of the object;
A living body detecting means for detecting a living body region from the image acquired by the image acquiring means;
By obtaining a difference image between an image acquired by the image acquisition unit and an image acquired in advance in the absence of an object, a predetermined distance from the biological region detected by the biological detection unit is determined. A living body discriminating means for discriminating that the object is non-living when an area having a luminance change of more than a value is detected in a predetermined number or more or in a predetermined shape;
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for acquiring an image including biological information of the object;
A living body detecting means for detecting a living body region from the image acquired by the image acquiring means;
A distance measuring unit that is a predetermined distance away from the living body region detected by the living body detecting unit, and that normally corresponds to a region where no object exists,
The distance measured by the distance measuring means in the absence of the object is compared with the distance measured in the presence of the object, and when there is a difference of a predetermined value or more between the distances, the object Is a living body discriminating means for discriminating that it is non-living,
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for capturing and acquiring an image including biological information of the object;
Illuminating means for irradiating the object with illumination light during photographing by the image obtaining means;
A living body detecting means for detecting a living body region from the image acquired by the image acquiring means;
Luminance distribution in a living body region detected by the living body detecting unit with respect to an image acquired by the image acquiring unit in a state in which illumination light is irradiated by the illuminating unit and an image acquired in a state in which illumination light is not irradiated by the illuminating unit. A living body discriminating means for discriminating that the object is non-living when the difference between the obtained luminance distributions is less than a predetermined value;
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination device for discriminating whether an object for acquiring biological information is a living body or a non-living body,
Image acquisition means for acquiring an image including biological information of an object from a plurality of directions;
A living body detecting means for detecting a living body region from each of the plurality of images acquired by the image acquiring means;
By this living body detection means, it is confirmed whether or not the living body area has been detected from all of the plurality of images acquired by the image acquiring means, or whether or not the shape of the detected living body area is a predetermined shape, It is determined that the target object is a living body only when the living body area is detected from all of a plurality of images, or when the shape of the detected living body area is confirmed to be a predetermined shape. A biological discrimination means for discriminating that the object is non-living,
Based on the determination result of this biological determination means, output control means for changing the content to be output to the device connected as the output destination;
A living body discrimination device characterized by comprising:

A biological discrimination method for discriminating whether an object from which biological information is acquired is a living body or a non-living body, an image including biological information of the target is acquired, and a biological region is detected from the acquired image The image feature of the detected living body region is compared with the image feature of the living body region obtained when a normal object obtained in advance is present at a predetermined position. A living body discrimination method characterized in that when it is determined that there is a difference, the object is determined to be non-living.

A biological discrimination method for discriminating whether an object from which biological information is acquired is a living body or a non-living body, an image including biological information of the target is acquired, and a biological region is detected from the acquired image In the acquired image, it is detected whether an object other than the living body is present in an area other than the detected living body area, and when the presence of an object other than the living body is detected, the target object is a non-living object. A biometric discrimination method characterized in that it is discriminated.

A biological discrimination method for discriminating whether a target for acquiring biological information is a living body or a non-living body, and acquires an image including biological information of the target in a state where illumination light is irradiated on the target. In addition, an image including biological information of the target object is acquired in a state where the target object is not irradiated with illumination light, a biological area is detected from each of the acquired images, and a luminance distribution in the detected biological area is calculated. A living body discrimination method characterized by determining each object and determining that the object is non-living when a difference between the obtained luminance distributions is less than a predetermined value.

A biological discrimination method for discriminating whether an object from which biological information is acquired is a living body or a non-living body, an image including biological information of the object is acquired from a plurality of directions, and the plurality of acquired images And detecting whether or not the living body area is detected from all of the plurality of images, or whether or not the detected living body area is a predetermined shape. It is determined that the target object is a living body only when the living body area is detected from all the images or when it is confirmed that the shape of the detected living body area is a predetermined shape. Is a living body discrimination method characterized by discriminating that the object is non-living.