Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Peking University

Yiming Bai

Xiangye Wei

Liming Xiu

Shuai Wang

Jie Feng

Xin Li

Qiong Wu

Yadong Mu

Ge Ou

Yuhai Ma

Kening Zhao

Aixiang Qi

Nan Zhuang

Guoqiang Gong

Guiyu Tian

Provided is an interactive authentication method, applicable to a transmitter. The transmitter is communicatively connected to a receiver. The authentication method includes: generating a first challenge and transmitting the first challenge to the receiver; receiving a response from the receiver, wherein the response comprises first identity authentication information and a second challenge, the first identity authentication information and the second challenge being encrypted using a first identity authentication key; generating, based on the first challenge, a second identity authentication key and second identity authentication information; and decrypting the first identity authentication information using the second identity authentication key, and performing identity authentication by matching the decrypted first identity authentication information with the second identity authentication information.

Interactive authentication method, system, computer device, and non-volatile readable storage medium

An optical communication device, an optical communication system, and a method for establishing a communication connection are provided, relating to communications technology. In the optical communication device, the first driving circuit can control, based on the generated first target plaintext, the optical signal transmitting circuit to transmit the first optical signal, and control, based on the generated first key, the optical signal transmitting circuit to transmit the second optical signal. That is, an optical communication device that detects the optical signals can establish, based on the optical signals, a communication connection with the optical communication device that transmits the optical signals.

Optical communication device, optical communication system, and method for establishing communication connection

The present disclosure provides an image processing method, apparatus, device, and computer-readable storage medium. The method includes: obtaining an image dataset, the image dataset including an image and an accompanying text related to an unseen class in the image; and generating a probability and/or distribution of the unseen class using an unseen class obtaining model, the probability and/or distribution of the unseen class including a probability that each pixel in the image is from the unseen class, a probability that the unseen class is present in the image, and a regional probability after the image is subdivided into a plurality of regions.

Image processing method, apparatus, and computer product for image segmentation using unseen class obtaining model

An electronic apparatus and a method for displaying an image on a display device are disclosed. The electronic apparatus includes a display device; an image acquisition device configured to acquire a surrounding image of the display device; and a processor configured to: determine a background image of the display device according to the surrounding image; acquire a target range and a target object in the background image; determine a target image according to the background image, the target range and the target object; and control the display device to display the target image, wherein the target image excludes the target object.

Electronic apparatus, and method for displaying image on display device

A digital fingerprint generation circuit based on an integrated circuit is provided. In the digital fingerprint generation circuit, a control unit is configured to: generate a first control word and a second control word, and transmit the first control word and the second control word to a first clock generator and a second clock generator respectively, so that the first clock generator generates a first clock signal based on the first control word, and the second clock generator generates a second clock signal based on the second control word; and a frequency detector generates a digital fingerprint of the integrated circuit based on the first clock signal and the second clock signal.

Integrated circuit, and digital fingerprint generation circuit and method thereof

Provided is a digital fingerprint generator. The digital fingerprint generator includes: a control circuit, configured to generate a control word; a first pulse generation circuit, connected to the control circuit, and configured to output a first pulse signal in response to the control word; a second pulse generation circuit, connected to the control circuit, having a same structure as the first pulse generation circuit, and configured to output a second pulse signal in response to the control word; and an output circuit, connected to the first pulse generation circuit and the second pulse generation circuit, and configured to output a digital fingerprint based on the first pulse signal and the second pulse signal according to a predetermined first rule.

Digital fingerprint generator and method for generating digital fingerprint

Provided is a clock signal generation circuit. The clock signal generation circuit includes a control word generation circuit, an initial clock generation circuit and a spread spectrum clock generation circuit, wherein the control word generation circuit is connected to the initial clock generation circuit and the spread spectrum clock generation circuit; the initial clock generation circuit is further connected to the spread spectrum clock generation circuit.

Clock signal generation circuit and method, and electronic device

This is provided a time synchronization method, including: an adjustment stage including N adjustment cycles, N being an integer greater than 1; in each adjustment cycle, generating a physical clock signal at least according to a pre-acquired frequency control word corresponding to the adjustment cycle, and obtaining logical time at least according to the physical clock signal and a physical time deviation; a clock slope of the physical clock signal generated in each adjustment cycle reaches its corresponding target value, and the target values of the clock slopes of the physical clock signals in the N adjustment cycles gradually approach 1; the physical time deviation is: a time difference between the reference time and the physical time corresponding to the physical clock signal in an Nth adjustment cycle at the end of the Nth adjustment cycle. A time synchronization device and a network node device are provided.

Time synchronization method and device, network node device

A parameter determination method for a spread spectrum circuit, a clock spread spectrum method, a parameter determination device for a spread spectrum circuit, and a clock spread spectrum device are disclosed. The parameter determination method for the spread spectrum circuit includes: obtaining a base time unit and a target frequency; determining a spread spectrum depth coefficient according to the base time unit and the target frequency; determining whether the spread spectrum depth coefficient is greater than or equal to a base spread spectrum depth coefficient; if yes, determining the spread spectrum depth coefficient as a standard spread spectrum depth coefficient and determining a standard frequency control word according to the standard spread spectrum depth coefficient; and if no, adjusting the base time unit until a corresponding spread spectrum depth coefficient corresponding to the base time unit is greater than or equal to the base spread spectrum depth coefficient.

Parameter determination method and device for spread spectrum circuit, and clock spread spectrum method and device

A digital clock circuit is provided. The digital clock circuit includes a first sub-circuit comprising a first digitally-controlled oscillator driven by a frequency control word to control a first output frequency synthesized from multiple first pulses, and a first frequency divider to generate a trigger signal having a frequency equal to 1/M of the first output frequency. The digital clock circuit also includes a second sub-circuit comprising a loop of feedback including a frequency detector to compare an input frequency with a feedback frequency, a controller to adjust the frequency control word, a second digitally-controlled oscillator driven by the frequency control word plus a constant to control a second output frequency synthesized from multiple second pulses induced by the trigger signal, and a second frequency divider to set the feedback frequency equal to 1/N of the second output frequency in the loop of feedback.

Growing community of inventors

Beijing, China

Yiming Bai