Method and system for rapidly and passively identifying changes in number of open pores in the skin of an individual
First Claim
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1. A method for a rapid and passive identification of changes in a number of open sweat pores in the skin of an individual, comprising:
- disposing a thermal camera at a predetermined location;
focusing the thermal camera on at least a portion of a predetermined skin surface of the individual so as to provide a thermal image without contacting the individual;
displaying the thermal image to enable real time viewing of the sweat pores on the portion of the predetermined skin surface;
visually identifying a baseline number of open sweat pores imaged on the thermal image of the portion of the predetermined skin surface prior to a stimulus;
interviewing the individual by presenting a stimulus;
visually identifying an opening of sweat pores imaged on the thermal image of the portion of the predetermined skin surface in response to the stimulus, wherein said response is a stress response characterized by a first maximal peak response followed by a second peak response;
numerically counting the identified opening of sweat pores imaged on the thermal image for about 20 seconds following the stimulus to compute a threshold determination of stress response, wherein an event marker is provided to selectively identify the imaged opening of sweat pores; and
determining a threshold stress response based on the numerical count of the identified opening of sweat pores exceeding the baseline number of open sweat pores by a margin of 40 percent.
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Abstract
In one aspect, there is disclosed a system and method for rapidly and passively identifying changes in the number of open pores in the skin of an individual in response to a stimulus without contacting the individual. This is accomplished by using a thermal camera that is sensitive in the mid-wave or long-wave infrared (3-5 or 8-14 μmeters) to observe and/or count the number of skin pores opening in response to questions being asked of the individual.
14 Citations
18 Claims
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1. A method for a rapid and passive identification of changes in a number of open sweat pores in the skin of an individual, comprising:
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disposing a thermal camera at a predetermined location; focusing the thermal camera on at least a portion of a predetermined skin surface of the individual so as to provide a thermal image without contacting the individual; displaying the thermal image to enable real time viewing of the sweat pores on the portion of the predetermined skin surface; visually identifying a baseline number of open sweat pores imaged on the thermal image of the portion of the predetermined skin surface prior to a stimulus; interviewing the individual by presenting a stimulus; visually identifying an opening of sweat pores imaged on the thermal image of the portion of the predetermined skin surface in response to the stimulus, wherein said response is a stress response characterized by a first maximal peak response followed by a second peak response; numerically counting the identified opening of sweat pores imaged on the thermal image for about 20 seconds following the stimulus to compute a threshold determination of stress response, wherein an event marker is provided to selectively identify the imaged opening of sweat pores; and determining a threshold stress response based on the numerical count of the identified opening of sweat pores exceeding the baseline number of open sweat pores by a margin of 40 percent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for a rapid and passive determination of whether an individual is withholding information comprising:
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providing a thermal camera to thermal image a face of the individual for visual detection of open sweat pores on the imaged face of the individual; visually identifying a baseline number of open sweat pores imaged on the thermal image prior to interacting with the individual for about 20 seconds, wherein said response is a stress response characterized by a first maximal peak response followed by a second peak response; requesting the individual to supply information; observing the increase of open sweat pores in the skin of that individual in response to the request for information for about 20 seconds; numerically counting the increased open sweat pores observed in the skin, wherein an event marker is provided to selectively identify the observed increase in the numeric count of open sweat pores; and determining a threshold stress response based on the numerical count of the increased open sweat pores exceeding the baseline number of open sweat pores by 0.4 times the baseline number.
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Specification