Samsung Electronics Co., Ltd.

Seoul National University

Siwoo Lee

Byoungho Lee

Yonggil Han

Jeongseob Kim

Hyeonho Kim

Kwonseung Shin

Minchul Kim

Yongsung Kim

Juhyun Lee

Taeeun Kim

Seung-Woo Nam

Yeoreum Yoon

Jiyong Jang

Hanjin Cho

Jeonseob Kim

A method of designing an optical system including a dome light and coaxial light, includes: determining a distance between the dome light and the coaxial light based on a radius reduction according to a hole of the dome light; determining a size of the coaxial light based on an optical path of a light ray emitted from the coaxial light; and determining a structure of a printed circuit board (PCB) in the dome light based on an optical path through which the light ray emitted from the coaxial light is reflected by an object.

Optical system including dome light and coaxial light and method for designing optical system

An electronic device and a method for performing face authentication by using multiple cameras are provided. The method of the electronic device includes an operation of receiving a request for registration of face information through a first camera device having a first characteristic, an operation of acquiring, based on the request, multiple first images through the first camera device, an operation of performing filtering for each of the multiple first images to generate multiple second images reflecting a second characteristic of the second camera device, an operation of generating multiple first templates based on the multiple first images, an operation of generating multiple second templates based on the multiple second images, and an operation of storing the multiple first templates and the multiple second templates in the memory, thereby completing the registration of the face information.

Electronic device and method for performing face authentication using a plurality of cameras

A holographic aberration correction method and apparatus are provided. The holographic aberration correction apparatus includes: generating a plurality of sub-holograms in a hologram, as a matrix; calculating a plurality of eigenmodes and an eigenvalue and a weight corresponding to each of the eigenmodes by performing singular value decomposition on the matrix; selecting a predefined number of eigenmodes in the order of largest eigenvalues; calculating a plurality of first results which are obtained by multiplying a plurality of identical images by respective weights corresponding to the plurality of selected eigenmodes; calculating a plurality of second results by performing convolution of the plurality of first results and the plurality of selected eigenmodes, respectively; and generating an aberration-corrected hologram by adding the plurality of second results.

Holographic aberration correction method and apparatus

An electronic device is provided. The electronic device includes a memory storing first authenticated fingerprint information, and a processor configured to obtain first fingerprint information corresponding to a first input, compare the first fingerprint information with the first authenticated fingerprint information during a first user authentication, perform a designated function when the first authenticated fingerprint information belongs to a first reference, temporarily store the first fingerprint information when the first authenticated fingerprint information belongs to a second reference, obtain second fingerprint information corresponding to a second input during a second user authentication, compare the second fingerprint information with the first authenticated fingerprint information during the second user authentication when the second input satisfies a designated reference in relation to the first input, store the temporarily stored first fingerprint information as second authenticated fingerprint information when the second authenticated fingerprint information belongs to the first reference, and perform the designated function.

Electronic device and method for storing fingerprint information

Disclosed herein are an electronic device and method. The electronic device includes a touch screen, at least one fingerprint sensor disposed on the touch screen, and a processor implementing the method, including controlling the touch screen to display one or more graphic objects, detecting attribute information of at least one graphic object associated with a fingerprint sensor disposed on at least a part of the touch screen from among the one or more graphic objects, activating an area of the fingerprint sensor based on the attribute information, the activated area of the fingerprint sensor corresponding to the at least one graphic object, and acquiring fingerprint information through the activated area of the fingerprint sensor.

Apparatus and method for controlling fingerprint sensor

Growing community of inventors

Gyeongsangbuk-do, South Korea

Siwoo Lee