Abstract: An apparatus with a neural network operation of homomorphic encrypted data includes: one or more processors configured to: generate homomorphic conjugation data of encrypted data based on the encrypted data, wherein the encrypted data corresponds to an output of each of a plurality of layers included in a neural network; and remove noise of the encrypted data based on the encrypted data and the homomorphic conjugation data.

Abstract: A fingerprint sensor includes a substrate, a sensor pixel disposed on the substrate and including a light sensing element through which a sensing current flows according to an amount of incident light, a light-blocking conductive layer disposed on the sensor pixel and including a plurality of holes, a first fingerprint pad disposed on the substrate, and a conductive connector connected to the first fingerprint pad and to which a predetermined voltage is applied. The light-blocking conductive layer is electrically connected to the conductive connector.

Abstract: A server for performing an operation on a homomorphic ciphertext is configured to: receive a first homomorphic ciphertext, a public key, and a first hierarchical Galois key set from a client device; in response to a request for generating a second hierarchical Galois key set for performing a rotation operation on the first homomorphic ciphertext of the client device, generate the second hierarchical Galois key set, based on the received public key and hierarchical Galois key set; and when a decomposition operation for a first Galois key included in the second hierarchical Galois key set overlaps with a decomposition operation for a second Galois key, first perform the decomposition operation for the first Galois key, and then substitute the decomposition operation for the second Galois key with a result of the decomposition operation for the first Galois key.

Abstract: Disclosed herein is a high-frequency energy transmission device which noninvasively transmits high-frequency energy to the deep layer of the skin. The high-frequency energy transmission device includes: a tip; and a handpiece mechanically and electrically combined with the tip. The tip includes: an electrode for noninvasively emitting high-frequency energy to the deep layer of the skin; and a plurality of temperature sensors arranged in such a way that the electrode is interposed therebetween.

Abstract: Systems and methods, e.g., optical apparatuses, for digital optical information storage systems that improve the speed, signal to noise, controllability, and data storage density for fluorescent and reflective multilayer optical data storage media. The systems and methods include an optical system for a reading beam of a data channel from a moving single or multi-layer or otherwise 3-dimensional optical information storage medium that comprises at least one optical element characterized by restricting the field of view (FOV) of the reading beam on an associated image plane to 0.3 to 2 Airy disk diameters in a first direction.

Abstract: An apparatus includes one or more processors configured to execute instructions; and one or more memories storing the instructions; wherein the execution of the instructions by the one or more processors configures the one or more processors to generate an approximate polynomial, approximating a neural network operation, of a portion of a deep neural network model that is configured to receive input data, by using weighted least squares based on parameters corresponding to the generation of the approximate polynomial, a mean of the input data, and a standard deviation of the input data; and generate a homomorphic encrypted data operation result based on the input data and the approximate polynomial that approximates the neural network operation.

Abstract: An apparatus and method with encrypted data neural network operation is provided. The apparatus includes one or more processors configured to execute instructions and one or more memories storing the instructions, wherein the execution of the instructions by the one or more processors configures the one or more processors to generate a target approximate polynomial, approximating a neural network operation, of a portion of a neural network model, using a determined target approximation region, for the target approximate polynomial, based on a first approximate polynomial generated based on parameters corresponding to a generation of the first approximate polynomial, a maximum value of input data to the portion of the neural network layer, and a minimum value of the input data, and generate a neural network operation result using the target approximate polynomial and the input data.

Abstract: Provided is a fingerprint authentication device comprising a biometric sensor that senses biometric information to generate a sensing signal; an image processor that extracts a calibration function based on calibration data and generates a fingerprint image based on the calibration function and the sensing signal; and an authenticator that performs fingerprint authentication by comparing the fingerprint image and registered fingerprint information. The calibration data includes information on a calibration coefficient of the calibration function.

Abstract: Provided is a method for manufacturing a polarizing plate, comprising a step of irradiating an optical laminate with ultraviolet rays having an emission wavelength band of 380 nm to 410 nm. The optical laminate sequentially comprises a first base film, a first adhesive layer, a linear polarizer, a second adhesive layer, a second base film and a reverse dispersion liquid crystal layer. The first adhesive layer and the second adhesive layer each comprise a photosensitizer for initiating a curing reaction in a wavelength band of 350 nm to 410 nm, and the ultraviolet rays are irradiated on the first base film side of the optical laminate.

Abstract: Devices and methods are provided for performing color correction of focal dispersion in high-harmonic lenses. The device comprises a multi-order diffractive engineered surface (MODE) lens comprising a MODE primary lens having height transitions in the front surface that segment it into annular zones and a color corrector comprising a diffractive Fresnel lens (DFL). Polychromatic light passing through the MODE primary lens experiences LCA that is corrected by the color corrector. The color corrector can be configured to correct Type 1 LCA resulting from a combined effect of the DFL and a refractive index change versus wavelength associated with material comprising the device that together produce a change in focus of the polychromatic light, as well as Type 2 LCA resulting from a cyclic variation in focal length versus wavelength caused by the abrupt changes in the height of the front surface of the MODE primary lens at the transitions.

Abstract: A method of collecting charger information which is capable of obtaining information of chargers around the world and making the obtained information into a database, includes collecting, by a charging control unit in a vehicle, charger identification information from a charger connected to the vehicle for charging, determining whether the charger is a new charger from the collected charger identification information, and when a result of the determining indicates that the charger is the new charger, collecting, by the charging control unit, charger output information and transmitting the charger identification information and the charger output information to a management server.

Abstract: Disclosed are an electronic device for performing secure communication based on an asymmetric key using a polynomial ring and the operating method thereof to support secure communication having quantum resistance to be enabled.

Abstract: A processor-implemented method with homomorphic encryption includes: receiving a first ciphertext corresponding to a first modulus; generating a second ciphertext corresponding to a second modulus by performing modulus raising on the first ciphertext; and performing bootstrapping by encoding the second ciphertext using a commutative property and an associative property of operations included in a rotation operation.

Abstract: A method and a system for providing error history information for an eco-friendly vehicle charger. The method according to an embodiment of the present disclosure including the steps of: collecting information on a connected charger, when a vehicle is connected to any charger; receiving a notification of a communication compatibility conflict from the connected charger or determining whether an error is generated while performing communication with the connected charger; and transmitting problem occurrence information on the connected charger to a server based on the information on the connected charger, when receiving the notification of the communication compatibility conflict from the connected charger or a communication error occurs, wherein the problem occurrence history information on the connected charger in the server is updated based on the problem occurrence information on the connected charger.

Abstract: A fingerprint sensor including: a substrate; a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer; a light-blocking conductive layer disposed on the common electrode and including light transmitting holes; and a light guide unit disposed on the light-blocking conductive layer.

Abstract: A flexible display panel including: a flexible panel including a first region including a display region and oriented on a first plane and a second region including a non-display region and oriented on a second plane different from the first plane; and a flexible encapsulation member disposed on the flexible panel so as to encapsulate at least the display region.

Abstract: A processor-implemented method with homomorphic encryption includes: receiving a first ciphertext corresponding to a first modulus; generating a second ciphertext corresponding to a second modulus by performing modulus raising on the first ciphertext; and performing bootstrapping by encoding the second ciphertext using a commutative property and an associative property of operations included in a rotation operation.

Abstract: A method of performing a homomorphic permutation by a server includes: generating, via a ciphertext generation portion, a first ciphertext by adding noise to the basic ciphertext; transmitting, via a transmission portion, the first ciphertext to a client; performing, via an operation portion, a predetermined operation on the noise; receiving, via a reception portion, a second ciphertext from the client; and extracting, via an extraction portion, the basic ciphertext on which the predetermined operation is performed, by removing, from the second ciphertext, the noise on which the predetermined operation is performed, wherein the second ciphertext is a ciphertext that is re-encrypted by the client after decrypting the first ciphertext and performing the predetermined operation on the decrypted first ciphertext.

Abstract: A flexible display panel including: a flexible substrate including a first region, second regions that extend from the first region and that have a curved surface, and a third region folded towards the second regions; a first display region in the first region of the flexible substrate; a second display region in the second regions of the flexible substrate; a plurality of non-display regions outside the first display region or the second display regions, wherein at least one of the plurality of non-display regions is in the third region of the flexible substrate; and an encapsulation member for encapsulating the first display region and the second display regions.

Abstract: A display device includes a first display panel for displaying a first image, a fingerprint sensor disposed on one surface of the first display panel and detecting light passing through the first display panel, and a first light transmission control unit disposed between the first display panel and the fingerprint sensor for controlling transmission of light.