A method includes capturing an image, and performing region detection on the captured image. The region detection includes identifying an object represented in the captured image. The method further includes detecting emissivity of the identified object and determining the temperature of the object based on the detected emissivity of the object.

An apparatus for measuring surface temperature of a substrate being illuminated by a pulsed light beam configured to heat the substrate and by a beam of probing light, wherein the heated substrate emits a radiated beam of thermal radiation, wherein the apparatus includes an optical system configured to collect the radiated beam and a reflected beam of probing light propagating in substantially close directions, wherein the collected radiated beam and the collected reflected beam are separately routed to a respective detector via a respective routing element, the respective detectors being configured to measure the intensity of the collected radiated beam and collected reflected beam simultaneously and at the same wavelength, wherein the surface temperature is calculated based on the collected radiated beam and on the collected reflected beam.

The present invention relates to an aerosol-generating device that is configured for generating an inhalable aerosol by heating an aerosol-forming substrate. The device comprises a device housing for receiving the aerosol-forming substrate and a pyrometer for determining a temperature of a heated target surface within the device housing. The invention further relates to an aerosol-generating system comprising such an aerosol-generating device and an aerosol-generating article for use with the device including an aerosol-forming substrate.

A thermal image sensing system including at least one thermal sensor, at least one light sensor, an image identification module, a storage module and a computing module is provided. The thermal sensor senses thermal radiation emitted by an object and generates a thermal radiation image signal correspondingly. The light sensor senses visible light reflected by the object and generates at least one visible light image signal correspondingly. The image identification module receives the visible light image signal generated by the light sensor and determines a material of the object according to the at least one visible light image signal. The storage module stores a radiation coefficient of the material of the object. The computing module calculates a surface temperature of the object according to the radiation coefficient of the material of the object and the thermal radiation emitted by the object. A thermal image sensing method is also provided.

Devices and corresponding methods can be provided to measure temperature and/or emissivity of a target. Emissivity of the target need not be known or assumed, and any temperature difference between a sensor and the target need not be zeroed or minimized. No particular bandpass filter is required. Devices can include one or two sensors viewing the same target as the target views different respective viewed temperatures. The respective viewed temperatures can be sensor temperatures, and a single sensor can be set to each of the respective viewed temperatures at different times. An analyzer can determine the temperature and/or emissivity of the target based on the respective viewed temperatures and on plural net heat fluxes detected by the sensors and corresponding to the respective viewed temperatures.

A method for estimating the temperature of a steel product including a calibration step wherein the intensities at 5 wavelengths ranging from 0.9 to 2.1 ?m are recorded for several measurement condition and spectral attenuation coefficients are computed, a measurement step wherein the intensities at said 5 wavelengths are recorded and spectral attenuation coefficients are computed for several temperatures and a comparison step wherein a probability test is performed to estimate the steel product temperature.

The present application discloses a measurement device and a measurement method for measuring a temperature and an emissivity of a measured surface. The measurement device comprises a reflection converter, an optical receiver and a data processor, wherein the reflection converter comprises a reflector and an absorber tube, the reflector has a through hole, and the absorber tube may be shifted between a first measurement position and a second measurement position relative to the reflector. In the first measurement position, the light incident end of the absorber tube approaches or contacts the measured surface, such that the optical receiver receives inherent radiation light emitted from the measured surface and forms a first electrical signal. In the second measurement position, the light incident end of the absorber tube is located at the through hole or outside the through hole of the reflector, such that the optical receiver receives the inherent radiation light emitted from the measured surface and reflective radiation light between a reflection surface of the reflector and the measured surface and forms a second electrical signal. The data processor is configured to determine a temperature and an emissivity of the measured surface according to the first electrical signal and the second electrical signal.

A computer-implemented method of forming a thermal-based electronic image of an object that includes receiving electromagnetic radiation emitted by the object at an optically sensitive layer including a superpixel having a plurality of pixels. Each pixel of the plurality of pixels includes a plasmonic absorber having a characteristic resonance wavelength and that generates a radiance measurement of the electromagnetic radiation at its characteristic resonance wavelength. The method further provides for determining, at a processor, an emissivity and temperature for the electromagnetic radiation received at the superpixel using the radiance measurements obtained at the pixels of the superpixel. In addition, the method provides for forming an image of the object from the determined emissivity and temperature.

A computer-eimplemented thermal imaging device having an optically-sensitive layer that includes a superpixel having at least one pixel. The at least one pixel includes a plasmonic absorber configured to obtain radiance measurements of electromagnetic radiation emitted from an object at a plurality of wavelengths. The device further includes a processor configured to determine an emissivity and temperature for the electromagnetic radiation received at the plasmonic material from the object using the radiance measurements and to form an image of the object from the determined emissivity and temperature.

A Safety Cooking Device includes a thermal sensor that detects infrared radiation (IR) to generate thermal images of a cooktop over time, and a controller. The controller uses the thermal images to determine whether the cooktop is unattended. Both wired and wireless embodiments of the cooking safety device are disclosed. In one implementation, the cooking safety device is in communication with and reports to a security panel of a security system.