Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Yonsei University

Korea Institute of Science and Technology

Sangyun Lee

Seokho Yun

Sookyoung Roh

Junho Lee

Jonghyun Kim

Sungmo Ahn

Kyeonghoon Jeong

Moongi Kang

Kwang Soo Kim

Sung-Soo Kim

Jisu Kim

Hyoungjoo Lee

Eunjung Lee

Chaiman Lim

Sangwook Han

Dongki Noh

Hyunsung Park

Yongjun An

Taejoong Kim

Yeonsoo Kim

Sangeun Mun

Haejin Cho

Bumhyeon Baek

Youngduk Kim

Euntai Kim

Yongsuk Choi

Dooyoung Kim

Beomseong Kim

Byeonghwan Jeon

Min-Chull Paik

Woosung Kim

Taeseok Oh

Heungwoo Han

Minsung Kang

Sungwook Moon

Hyunsik Yoon

Yongpyo Lee

Yong-Ho Choi

Yongsung Kim

Yongsu Kim

Choonlae Cho

Moogeun Song

Youngwook Cho

Yujung Lee

Sunghwan Jeon

Seehwan Yoo

Kibum Bae

Dojung Kim

Sunhee Jeong

Junguk Hwang

A robot is provided. The robot includes a camera, a depth sensor, a memory, and a processor configured to perform an interaction with a first user with a highest degree of interest from among a plurality of users present in vicinity of the robot, obtain gazing information of the plurality of users while performing the interaction with the first user, and obtain distance information of the plurality of users, determine an engagement level of the first user for the interaction by using gazing information and distance information of the first user from among the plurality of users, determine a degree of interest of another user by using gazing information and distance information of the first user and the another user from among the plurality of users, end the interaction with first user, and perform an interaction with the another user based on the degree of interest of the another user.

Robot and control method therefor

An image acquisition apparatus according to an example embodiment includes an image sensor including a sensor substrate including a plurality of photo-sensing cells for sensing light thereon, and a color separation lens array disposed in front of the sensor substrate and including a nanostructure to separate incident light by color, wherein the nanostructure forms a phase distribution in a plurality of regions facing the plurality of photo-sensing cells, respectively, and the phase distribution is formed so as to condense light of different wavelengths onto photo-sensing cells adjacent to each other, and a processor configured to process an image signal for each color obtained from the image sensor. The processor is further configured to perform decoupling with respect to sensing signals of the plurality of photo-sensing cells by using a kernel defined from a point spread function determined by the phase distribution.

Image acquisition apparatus and method using color separation lens array

An apparatus for acquiring images includes an image sensor and a signal processor. The image sensor may include a sensor substrate and a color separation lens array, wherein the sensor substrate includes a plurality of photo-sensing cells, and the color separation lens array may separate an incident light into a plurality of lights having different wavelengths and forms a phase distribution for condensing the plurality of lights having the different wavelengths on adjacent photo-sensing cells of the plurality of photo-sensing cells. The signal processor may perform deconvolution on sensing signals of the plurality of photo-sensing cells to obtain a sub-sampled image, perform demosaicing to restore a full resolution image having a full resolution from the sub-sampled image, and correct a color of the full resolution image using a point spread function (PSF) of the color separation lens array.

Apparatus and method of acquiring image by employing color separation lens array

An image sensor includes a sensor substrate including first, second, third, and fourth pixels, and a color separating lens array, wherein each of the first pixels includes a first focusing signal region and a second focusing signal region that independently generate focusing signals, and the first focusing signal region and the second focusing signal region are arranged to be adjacent to each other in the first pixel in a first direction, and each of the fourth pixels includes a third focusing signal region and a fourth focusing signal region that independently generate focusing signals, and the third focusing signal region and the fourth focusing signal region are arranged to be adjacent to each other in the fourth pixel in a second direction that is different from the first direction.

Image sensor and electronic apparatus including the image sensor

An image sensor includes a color separating lens array including a plurality of first pixel corresponding regions respectively corresponding to a plurality of first pixels and a plurality of second pixel corresponding regions respectively corresponding to a plurality of second pixels, wherein each of the plurality of first pixel corresponding regions and the plurality of second pixel corresponding regions includes a plurality of nanoposts, and at least one of a shape, a width, and an arrangement of the plurality of nanoposts of the plurality of first pixel corresponding regions changes according to an azimuth direction of the plurality of nanoposts in a peripheral portion surrounding a central portion of the color separating lens array.

Image sensor including color separating lens array and electronic apparatus including the image sensor

Provided is an image sensor including a color separating lens array. The image sensor includes a sensor substrate including a first pixel configured to sense first wavelength light, and a second pixel configured to sense second wavelength light; and a color separating lens array including a first wavelength light condensing region in which the first wavelength light is condensed onto the first pixel, wherein an area of the first wavelength light condensing region is greater than an area of the first pixel, and a distance between the sensor substrate and the color separating lens array is less than a focal distance of the first wavelength light condensing region with respect to the first wavelength light.

An image sensor includes: a sensor substrate including a first pixel and a second pixel; and a color separating lens array for condensing light of first wavelength onto the first pixel by changing a phase of light of the first wavelength included in incident light, wherein the sensor substrate further includes: an active pixel area for outputting an active pixel signal for image generation; a first dummy pixel area arranged outside the active pixel area and outputting a dummy pixel signal to correct image data generated from the active pixel signal; and a second dummy pixel area arranged outside the active pixel area and the first dummy pixel area and not outputting any pixel signal.

An image sensor is provided for obtaining an ultra-high resolution image. The image sensor includes a plurality of two-dimensionally arranged pixels, each of the plurality of pixels including a first meta-photodiode that selectively absorbs light of a red wavelength band, a second meta-photodiode that selectively absorbs light in a green wavelength band, and a third meta-photodiode that selectively absorbs light of a blue wavelength band. A width of each of the plurality of pixels of the image sensor may be less than a diffraction limit.

An image sensor includes: a sensor substrate including a plurality of first pixels configured to sense light of a first wavelength and a plurality of second pixels configured to sense light of a second wavelength; and an anti-reflection element provided on the sensor substrate, wherein the anti-reflection element includes a plurality of low-refractive index patterns and a high-refractive index layer provided between the plurality of low-refractive index patterns and the sensor substrate.

Image sensor including an anti-reflection element and electronic apparatus including the same

The present invention relates to an image processing apparatus and a mobile robot including the same. The image processing apparatus according to an embodiment of the present invention includes an image acquisition unit for obtaining an image and a processor for performing signal processing on the image from the image acquisition unit, and the processor is configured to group super pixels in the image on the basis of colors or luminances of the image, calculate representative values of the super pixels and perform segmentation on the basis of the representative values of the super pixels. Accordingly, image segmentation can be performed rapidly and accurately.

Image processing apparatus and mobile robot including same

A method of assisting an autonomous vehicle includes obtaining first surrounding area information of the vehicle when the vehicle is located at a first distance from a monitored area disposed ahead of the vehicle, providing a first control command for controlling the vehicle to operate in a first operating mode, by using the first surrounding area information, obtaining second surrounding area information of the vehicle when the vehicle has driven toward the monitored area and is located at a second distance less than the first distance from the monitored area, and providing a second control command for controlling the vehicle to operate in a second operating mode, by using the second surrounding area information.

Method of assisting autonomous vehicle, and apparatus therefor

A certificated quantum cryptography method is provided. The method is performed by a quantum cryptography server connected to a first communication device and a second communication device which perform quantum key distribution. The method includes step of receiving a first quantum public key generated by the first communication device and a second quantum public key generated by the second communication device and registering measurement outcomes of the first and second quantum public keys. When first basis information and second basis information acquired by performing quantum key distribution between the first and second communication devices are signed and exchanged, the method includes the step of receiving a third quantum public key and a fourth quantum public key.

Certificated quantum cryptography system and method

Various embodiments of the present disclosure relate to a device and a method for controlling a plurality of antennas in an electronic device. The electronic device may include: a plurality of antennas; a communication circuit configured to be connected with the plurality of antennas; and at least one processor, wherein the processor may be configured to: transmit a signal to an external device through one antenna among the plurality of antennas; detect a difference in reception performance between the antenna and each of at least one remaining antenna in response to occurrence of an event; and set one among the plurality of antennas as a transmitting antenna for the electronic device based on a threshold corresponding to an antenna characteristic of each of the at least one remaining antenna and the difference in reception performance. Other embodiments are possible.

Method for controlling antenna and electronic device using the same

Growing community of inventors

Seoul, South Korea

Sangyun Lee