A method includes capturing and scaling VLC and an IAS outputs to generate a scaled VLC output and a scaled thermal output (STO), aligning the scaled VLC output to the STO to generate an aligned image based on the scaled VLC output and the STO, determining alignment value(s) based on the aligned image, a laser pointer outputting a light beam to produce a laser dot on a target, and capturing a further output of the VLC. The method includes displaying the further output of the VLC (including a representation of the laser dot (RLD)), and an alignment marker, shifting the alignment marker and/or the RLD to a common position; determining coordinate(s) of the output of the IAS based on coordinate(s) of the further output of the VLC where the alignment marker and the RLD are shown at the common position; and storing the coordinate(s) of the output of the IAS.

A detection system (10) and a detection method (2000) are disclosed herein. The system includes a PIR sensor (12) positioned in an area comprising a plurality of sub-areas, the motion sensor comprising an optical device (22) having a plurality of sub-lenses (26, 28, 30), each sub-lens of the plurality of sub-lenses having a field of view (FOV) corresponding to a sub-area of the plurality of sub-areas. The system further includes at least one processor (32) coupled to the PIR sensor and configured to: activate the plurality of sub-lenses to generate a total sensor FOV comprising each FOV of the plurality of sub-lenses; and dynamically control the plurality of sub-lenses to subdivide the total sensor FOV, wherein the subdivided sensor FOV is smaller than the total sensor FOV.

A cigarette temperature detection device including multiple cylindrical convex lenses is provided, wherein each of the cylindrical convex lenses has a thicker central wall between two thinner end walls formed by rotating a parallel line at a predetermined distance around a long axis of an elliptical-like section resulting from cutting the circular convex lens by a plane perpendicular to a centerline. The disclosed cigarette temperature detection device allows accurate and reliable detection of a temperature of an entire circumferential surface of a cigarette on site.

A device for detecting infrared radiation emanating from a subject while not in physical contact with the subject. The device includes a body, an infrared sensor located in the body oriented to receive the infrared radiation and to generate at least one output that corresponds to the received infrared radiation, a rangefinder located in the body to generate at least one output that corresponds to a distance between the device and the subject, an ambient sensor to determine ambient temperature and to generate at least one output that corresponds to the ambient temperature, an analog to digital converter in communication with the infrared sensor, the rangefinder, and/or the ambient sensor, to receive the at least one output, a processor in communication with the analog to digital converter, the infrared sensor, the rangefinder, and/or the ambient sensor to process an output of the analog to digital converter, the at least one output of the infrared sensor, the at least one output of the rangefinder, and/or the at least one output of the ambient sensor, into a computed temperature of the subject. The processor adjusts the computed temperature based on the ambient temperature and the distance between the device and the subject corresponding to a maximum computed temperature of the subject. The device includes a display to show the temperature of the subject that is based at least in part on the computed temperature.

A method of digitally processing a plurality of pixels of an image captured using an array of sensing pixels of an optical sensor device. The method comprises identifying a measurement pixel of the plurality of pixels corresponding to a measurement point on a target to be measured. The method then comprises identifying a number of pixels of the plurality of pixels neighbouring the measurement pixel, the number of pixels having a number of intensity values, respectively. A curve is then fitted to the number of pixels and the number of respective intensity values. An estimated intensity value is then determined from the curve in respect of the measurement pixel, thereby simulating a predetermined field of view in respect of the measurement pixel narrower than an actual field of view of the measurement pixel.

Systems and methods for detecting or following a person within an observed area. One example system includes a sensor and a processor configured to: receive, from the sensor, a series of readings indicative of the person in the observed area, wherein the observed area is divided into a plurality of zones; determine a sequential occurrence of each of a plurality of ordered events by applying a detection threshold value to the series of readings, wherein the detection threshold value is lower than a noise threshold of the sensor, and wherein each of the plurality of ordered events is associated with at least one of the plurality of zones; and determine a trigger condition based on the sequential occurrence of each of the plurality of ordered events; and provide an instruction to a fixture based on the trigger condition.

A thermal imaging system for a cooking appliance is capable of being calibrated for any arrangement of cooktop burners disposed on a surface of a cooking appliance. A thermal imaging system can be calibrated by processing a received thermal scan of a surface of a cooking appliance having a particular cooktop arrangement to identify a plurality of cooktop burners on the surface of the cooking appliance for the particular arrangement, determine a number of cooktop burners in the particular arrangement, and determine one or more locations of the cooktop to assign to each of the cooktop burners. Further, the determined one or more locations assigned to each of the cooktop burners can be stored in association with a respective cooktop burner. Once calibrated, the thermal imaging system can calculate a temperature for each of the cooktop burners to be used in performing subsequent control and/or safety functions.

A radiation thermometer 100 includes two infrared detectors 1 and 1′ and a temperature calculator 2. The infrared detectors 1 and 1′ each have a predetermined measurement visual field and detect the amount of infrared rays incident from the measurement visual field. The temperature calculator 2 calculates the temperature of a measurement target region Xa based on the amounts of infrared rays detected by the respective infrared detectors 1 and 1′. The measurement target region Xa is included in the measurement visual fields of the respective infrared detectors 1 and 1′, and the sizes of the respective measurement visual fields are set to be different frm each other with respect to the measurement target region Xa.

A device for occupancy detection of a space includes a passive infrared (PIR) sensor having a fixed field of view; an infrared reflector positioned proximate to the PIR sensor for re-directing infrared radiation received from within the space toward the PIR sensor; an electromechanical device coupled to the infrared reflector and operative to alter a pointing angle thereof in response to a control signal; and, detection and control circuitry (or a microcontroller), coupled to the PIR sensor and the electromechanical device, operative to receive a signal from the PIR sensor indicative of motion of a person within the space, and further operative to selectively alter the pointing angle of the infrared reflector, using the electromechanical device, whereby the relative position of the person is shifted within the fixed field of view of the PIR sensor, thereby simulating motion of the person even when stationary.

An electronic device for enhancing accuracy upon contactless body temperature measurement is provided. The electronic device includes an image sensor for obtaining an image of an object, a temperature sensor disposed at a position adjacent to the image sensor for measuring a temperature of the obtained object, and a controller for performing control to determine the temperature of the object using a focal length of a camera module including the image sensor corresponding to a time of obtaining the image of the object and a temperature output from the temperature sensor corresponding to the time of obtaining the image of the object.