Samsung Electronics Co., Ltd.

Chung Ang University Industry Academic Cooperation

Korea University Research and Business Foundation

Ulsan National Institute of Science and Technology

Yonsei University

Sungkyunkwan University

Unjeong Kim

Younggeun Roh

Yeonsang Park

Suyeon Lee

Changwon Lee

Jineun Kim

Sangmo Cheon

Hyungbin Son

Hyochul Kim

Hojung Kim

Chanwook Baik

Seungmin Yoo

Soojin Park

Jaesoong Lee

Q-Han Park

Hyunjun Ma

Seungju Han

Sungwoo Hwang

Hyunyong Choi

Jeongsu Han

Jaehyun Kwon

Chihun In

Hongseok Lee

Jinyoung Park

Wonjae Joo

Youngzoon Yoon

Hyuck Choo

Jaeseok Kim

Younghee Lee

Hoyoung Ahn

Sungmo Ahn

Junhoe Choi

Moonil Jung

Youngseon Shim

Hyeyun Jeong

Jeongsu Son

Provided are a spectral camera and an electronic apparatus including the same. The spectral camera includes an image sensor including a plurality of channels configured to detect a plurality of central wavelengths; an optical module configured to be movable with respect to the image sensor to provide an image of an object on the image sensor; a memory configured to store first information about a change in an optical characteristic of each of the plurality of channels in the image sensor, the change in the optical characteristic of each of the plurality of channels corresponding to a movement of the optical module; and a processor configured to: obtain the first information from the memory, obtain second information corresponding to the plurality of central wavelengths detected by the image sensor, and obtain third information by correcting the second information based on the first information.

Spectral camera and electronic device including the same

An operating method of a calibration system for a display device obtains image information about an image displayed on display device and wavelength information about pixels of the image information using a hyperspectral camera included in an electronic device, transmits the obtained image information and wavelength information to a first application in the electronic device, generates calibration data about the obtained image information and wavelength information through the first application and transmits the calibration data to a second application in the display device, and performs color calibration of the display device based on the calibration data transmitted to the second application to display a color calibrated image.

Calibration system for display apparatus and operating method thereof

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.

Device and method for processing spectrum data of image sensor

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.

Apparatus for detecting UV blocking material and mobile device including the apparatus

An object recognition apparatus includes a first spectrometer configured to obtain a first type of spectrum data from light scattered, emitted, or reflected from an object; a second spectrometer configured to obtain a second type of spectrum data from the light scattered, emitted, or reflected from the object, the second type of spectrum data being different from the first type of spectrum data; an image sensor configured to obtain image data of the object; and a processor configured to identify the object using data obtained from at least two from among the first spectrometer, the second spectrometer, and the image sensor and using at least two pattern recognition algorithms.

Object recognition apparatus and operation method thereof

A hyperspectral image sensor includes an optical irradiator configured to irradiate light to a partial region of an object, an optical detector configured to receive detection light generated in the partial region in response to the irradiated light and generate spectrum signals, each of the spectrum signals corresponding to a respective sub-region of a plurality of sub-regions included in the partial region, and a processor configured to generate a hyperspectral image of the partial region based on the spectrum signals.

Hyperspectral image sensor and operating method thereof

Provided is a meat inspection apparatus including a light source configured to emit a plurality of inspection lights to a plurality of regions of meat, respectively, a light detector configured to generate a plurality of emission spectrum signals based on measuring a plurality of fluorescences emitted from the plurality of regions, and a processor configured to receive the plurality of emission spectrum signals from the light detector, generate hyperspectral images of the meat based on the plurality of emission spectrum signals, and obtain a state of the meat based on the hyperspectral images, wherein the processor is further configured to obtain the state of the meat for a plurality of sub-regions in each of the plurality of regions.

Apparatus for inspecting meat, system for inspecting meat including the same, refrigerator including the same, and method of inspecting meat

Provided is a food monitoring apparatus including at least one light source configured to selectively radiate light of a first wavelength band and light of a second wavelength band that is different from the first wavelength band to food, at least one image sensor configured to obtain a visible image of the food and a hyperspectral image of the food based on light scattered, emitted, or reflected from the food, and at least one processor configured to obtain first information of the food based on the visible image, and to obtain second information of the food based on the first information and the hyperspectral image.

Food monitoring apparatus, refrigerator including the same, and operating method thereof

Provided is an optical apparatus using reflection geometry. The optical apparatus includes a lens element disposed to face an object to be measured, a light source generating an incident beam that passes through the lens element to be incident on the object, and a photodetector receiving light that is scattered by the object. The incident beam is obliquely incident on the object off an optical center axis of the lens element, without passing through the optical center axis. The scattered light is transmitted to the photodetector by passing through the optical center axis of the focusing lens element and a region therearound.

Optical apparatus using reflection geometry

Provided is a surface-enhanced Raman scattering (SERS) patch configured to be brought into contact with an object and amplify Raman light generated from the object that is irradiated by laser light. The SERS patch includes a flexible substrate including a first surface facing the object and a second surface opposite to the first surface, a SERS layer provided on the first surface and configured to amplify the Raman light generated from the object based on surface plasmons, and a metalens provided on the first surface or the second surface of the flexible substrate, the metalens being configured to focus at least one of the laser light and the amplified Raman light in a propagation direction thereof.

Surface-enhanced Raman scattering patch and Raman spectroscopy system adopting the same

An electronic device having a stacking structure including a plurality of 2D material layers is provided. The stacking structure includes a first 2D material layer, among the plurality of 2D material layers, stacked adjacent to a second 2D material layer, among the plurality of 2D material layers, and the first 2D material layer is rotated with respect to the second 2D material layer.

Electronic device having stacking structure comprising two dimensional materials

A collection optics system for a spectrometer and a Raman spectral system including the collection optics system is provided. The collection optics system is configured to selectively collect a Raman signal from scattered light output from a target object, the collection optics system includes a non-imaging collection unit configured to collect the Raman signal and output the Raman signal, the non-imaging collection unit including an entrance surface on which the scattered light is incident and an exit surface through which the Raman signal is output, and a Raman filter provided on a portion of the entrance surface of the non-imaging collection unit and configured to block the scattered light including a fluorescence signal. Therefore, the collection optics system may suppress reception of the fluorescence signal of the scattered light and selectively collect the Raman signal.

Collection optics system for spectrometer and Raman spectral system

A tunable laser device is provided. The tunable laser device includes an active layer configured to generate first light by a first source; first and second reflective layers spaced apart from each other having the active layer disposed between the first reflective layer and the second reflective layer to form a resonance cavity; and a variable refractive index unit in the resonance cavity and having a refractive index being variable according to a second source, the second source being different from the first source.

Tunable laser device

Growing community of inventors

Osan-si, South Korea

Unjeong Kim