Provided are a method and a device, for processing spectrum data of an image sensor. The method includes obtaining spectrum response signals corresponding to channels of spectrum data of light, the spectrum data being obtained from an object by an image sensor; determining a set of bases corresponding to the obtained spectrum response signals; performing, based on the determined set of bases, a change of basis on at least one basis included in the determined set of bases; and generating, by using a pseudo inverse, reconstructed spectrum data from the spectrum response signals on which the change of basis has been performed.

In an embodiment a measuring unit includes a light emitting LED component including a housing occupying a housing surface G and an LED chip located within the housing, the LED chip including a light emitting light surface L and being configured to emit light; a photodetector configured to detect reflected light reflected from a measured object originating from the LED component and output a measurement signal dependent on a detection of the reflected light; and an integrated circuit configured to evaluate the measurement signal, wherein the LED component, the photodetector, and the integrated circuit are combined into an integrated unit; and a conversion layer disposed in the housing and located above the LED chip, the conversion layer configured to convert the light into multiband light, wherein a ratio L/G of is greater than or equal to 0.8, and wherein the measuring unit is configured to optically measure at least one property of the measured object.

A combined multi-spectral and polarization (CMSP) sensor is disclosed that enhances contrast-to-noise ratio (CNR). The CMSP sensor comprises a multi-spectral and polarization (MSP) filter, a single focal plane array (FPA), and a controller. The FPA comprises a plurality of detectors and the MSP filter comprises at least a first bandpass filter having a first frequency range and a second bandpass filter having a second frequency range that is distinct from the first frequency range and a first polarization filter having a first polarization value and a second polarization filter having a second polarization value that is distinct from the first polarization value.

The present technology relates to an imaging device, an imaging method, and an electronic device enabling to improve image quality.

Two or more imaging units capable of imaging or sensing a same subject are included, in which at least one first imaging unit among the two or more imaging units includes a first filter configured to transmit a plurality of wavelength bands, and at least another one second imaging unit other than the first imaging unit among the two or more imaging units includes a second filter capable of varying a wavelength band. The present technology can be applied to, for example, a compound-eye camera module, an imaging device including a compound-eye camera module, a device that includes an imaging device and provides virtual reality or the like.

Embodiments include a control apparatus, a control method, and a control system that can effectively utilize an index regarding light incident on a measured object by obtaining the index effective for the measured object. The control apparatus can effectively utilize an effective index by controlling improvement of an environment that affects calculation of the effective index on the basis of the effective index representing an index that is related to light incident on a measured object and that is effectively utilized for the measured object. The measured object may be a plant.

An infrared (IR) imaging system for determining a concentration of a target species in an object is disclosed. The imaging system can include an optical system including a focal plane array (FPA) unit behind an optical window. The optical system can have components defining at least two optical channels thereof, said at least two optical channels being spatially and spectrally different from one another. Each of the at least two optical channels can be positioned to transfer IR radiation incident on the optical system towards the optical FPA. The system can include a processing unit containing a processor that can be configured to acquire multispectral optical data representing said target species from the IR radiation received at the optical FPA. One or more of the optical channels may be used in detecting objects on or near the optical window, to avoid false detections of said target species.

An infrared photodetector includes: a p-type and highly-doped silicon substrate; a metal structure disposed on the silicon substrate; a first electric contact to the silicon substrate; and a second electric contact to the metal structure.

An apparatus for detecting an ultraviolet blocking material includes a light receiver configured to acquire detection light from a target object; a spectrum signal generator configured to generate spectrum signals based on the detection light; and a processor configured to: select a reference wavelength from a range from about 290 nm to about 400 nm, and detect an ultraviolet blocking material based on a first spectrum signal of a first wavelength less than the reference wavelength and a second spectrum signal of a second wavelength greater than the reference wavelength, the first spectrum signal and the second spectrum signal being generated by the spectrum signal generator.

Disclosed are hyperspectral/multiple spectral imaging methods and devices. A method obtains first and second spectral image datasets of a region of interest (ROI). The first spectral image dataset is characterized by a first spectral range and the second spectral image dataset is characterized by a second spectral range. The method then performs a first spectral analysis on the first spectral image dataset and a second spectral analysis on the second spectral image dataset. Afterwards, the method determines one or more spectral signature(s) at a deeper layer of the ROI.

An optical device may comprise an array of sensor elements that includes a plurality of pixels and a multispectral filter disposed on the array of sensor elements. The multispectral filter may be configured to pass a first transmission percentage of light of a particular spectral range to a first set of pixels of the plurality of pixels and pass a second transmission percentage of light of the particular spectral range to a second set of pixels of the plurality of pixels.