A process control method for a 3D-printing process using a 3D printer. The 3D printer has a build platform, a light source, a receiving device for printing material and a control device by which an object can be produced layer-wise or continuously from the printing material. The method includes using a thermal imaging camera, the output signal of which is transmitted to the control device, connected to the 3D printer, The method includes the following steps: illuminating a layer or parts of said layer positionally selectively, detecting the temperature of the layer during the polymerisation using the thermal imaging camera, ending the building process of a layer by ending the illumination, the time of the end of the illumination being established by a predefined temperature T.sub.max or a predefined change in temperature dT/dt being reached.

Methods and systems of heating a substrate in a vacuum deposition process include a resistive heater having a resistive heating element. Radiative heat emitted from the resistive heating element has a wavelength in a mid-infrared band from 5 μm to 40 μm that corresponds to a phonon absorption band of the substrate. The substrate comprises a wide bandgap semiconducting material and has an uncoated surface and a deposition surface opposite the uncoated surface. The resistive heater and the substrate are positioned in a vacuum deposition chamber. The uncoated surface of the substrate is spaced apart from and faces the resistive heater. The uncoated surface of the substrate is directly heated by absorbing the radiative heat.

Systems and methods for dynamic radiometric thermal imaging compensation. The method includes analyzing a visible light image to determine an emissivity value for each of a plurality of visible light pixels making up the visible light image. The method includes associating each of the plurality of thermal pixels making up a thermal image corresponding to the visible light image with at least one of the plurality of visible light pixels making up the visible light image. The method includes generating a second thermal image by, for each of the plurality of thermal pixels making up the thermal image, determining a temperature value based on the thermal pixel value of the thermal pixel and the emissivity value of the at least one of the plurality of visible light pixels associated with the thermal pixel.

An infrared thermographic system configured to detect the temperature of an object including an infrared thermal imaging sensor arranged to collect infrared radiation and construct at least one image from the radiation and a drive support unit arranged to rotate the sensor around an axis of rotation is provided. The imaging sensor is attached to the drive support unit such that upon rotation of the drive support unit, the imaging sensor captures separate areas surrounding the thermographic system. The imaging sensor is arranged to acquire a plurality of separate images such that the combination of the different images forms a continuous panorama of at least 180 degrees about the axis of rotation of the drive support unit. A processing module arranged and/or programmed to determine temperature data of the object from the images acquired by the imaging sensor is also provided.

A method and apparatus for calibration non-contact temperature sensors within a process chamber are described herein. The calibration of the non-contact temperature sensors includes the utilization of a band edge detector to determine the band edge absorption wavelength of a substrate. The band edge detector is configured to measure the intensity of a range of wavelengths and determines the actual temperature of a substrate based off the band edge absorption wavelength and the material of the substrate. The calibration method is automated and does not require human intervention or disassembly of a process chamber for each calibration.

Systems and methods are provided for logging temperatures of food products using a temperature assembly including a housing and one or more temperature sensors, e.g., an infrared sensor for surface temperatures and an elongate probe for acquiring a temperature within a food product, and a mobile electronic device including a camera, a communication interface for communicating with the temperature assembly, a processor configured to acquire a temperature reading from the temperature assembly and an image from the camera when the temperature reading is acquired, and memory for storing the temperature reading and image.

A heat trace region extraction device includes: a difference actual object image generation unit 130 that generates a difference actual object image which is an image of a difference between an actual object image which is an image of an actual object obtained by photographing a certain range with an actual object camera for photographing the actual object and a background actual object image which is an actual object image of a background of the certain range; a difference thermal image generation unit 16 that generates a difference thermal image which is an image of a difference between a thermal image which is an image of heat emitted by the actual object obtained by photographing the certain range with a thermal camera for photographing the heat emitted by the actual object and a background thermal image which is a thermal image of the background; and a heat trace region extraction unit 17 that extracts a heat trace region by removing a region of the actual object from the thermal image based on the difference actual object image and the difference thermal image.

An example method of infrared access, comprising, receiving a plurality of visual images, receiving a plurality of infrared images, calibrating pairs of at least one of the plurality of visual images to a respective at least one of the plurality of infrared images, determining an average temperature of the plurality of infrared images, determining a temperature of the respective calibrated pairs, and granting access if a visual image of the calibrated pair is authenticated by a facial recognition library and if the temperature of the calibrated pair is within a predefined threshold of the average temperature.

An apparatus for automobile vehicle rotor temperature measurement includes a motor having a rotor. A stator has the rotor positioned within the stator. An aperture extends through the stator. A sensor is positioned in alignment with the aperture sensing a temperature of at least a surface of the rotor.

A household microwave appliance includes a cooking compartment, a cooking compartment wall surrounding the cooking compartment and including a cooking compartment opening, and a microwave dome arranged remote from the cooking compartment and designed to cover the cooking compartment opening. The microwave dome includes a first sensor opening and a second sensor opening, with a first sensor arranged behind the first sensor opening and oriented directly into the cooking compartment, and with a second sensor arranged behind the second sensor opening and oriented indirectly into the cooking compartment via a reflecting surface of the microwave dome.