International Business Machines Corporation

Telefonaktiebolaget Lm Ericsson (publ)

Baidu Online Network Technology (beijing) Co., Ltd.

Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Ying Cao

Yin Xia

Jun Su

Donghao Li

Huajuan Xiao

Wei Peng Huang

Xiao Xi Liu

Yi Liu

Shilei Wen

Zhi Chen

Jie Zhou

Yang Liang

Peng Hu

Yanxia Xin

Ting Yin

Yi Dai

Hongwei Hu

Zhijie Chen

Kefeng Kenny Zhang

Xueping Li

Ling Zhuo

Xin Cui

Wanmei Qing

Kun Shang

Qiao Feng

Mingyin Yu

Jiashen Tian

Hanju Guan

Muchenxuan Tong

Enzhong Wang

Chunwei Yan

Sheng Liang Han

Jianmin She

A circuit and a method for controlling a rectifier, and a circuit including the rectifier are disclosed. The rectifier may comprise: a transformer (T); an inductor (Lm) coupled with a primary winding (Np) of the transformer (T) in parallel; at least one switching component (SR, SR) coupled between a secondary winding (Ns, Ns) of the transformer (T) and an output of the rectifier. The method may comprise: sensing (S) a current flowing into a combination of the inductor (Lm) and the primary winding (Np) of the transformer (T); generating (S) an indication voltage, based on the sensed current; comparing (S) the indication voltage and a reference voltage; and driving (S) the at least one switching component (SR, SR), based on a comparison result of the indication voltage and the reference voltage. The timing point for turning on/off the switching component (SR, SR) may be optimized, so as to reduce the power loss and improve the efficiency.

Circuit and method for controlling rectifier, and circuit including the rectifier

The present disclosure provides a power supply system, including: a power source connected between a first node and a second node for applying an input voltage; a first circuit, connected between the first node and a second circuit; and configured to suppress oscillation caused by load variation of a load circuit that is connected between the first node and the second circuit, and to supply power to the load circuit when the power source is temporarily off; the second circuit, having a first port connected to the first circuit, a second port connected to the load circuit, and a third port connected to the second node; and configured to charge the first circuit and supply power to the load circuit; and a third circuit, connected between the first circuit and the load circuit; and configured to suppress a current flowing into the second circuit.

Power supply system and method of operating the same

A laser processing device and a laser processing method are provided. The laser processing device includes: at least two lasers each configured to generate a laser beam; focusing members corresponding to the at least two lasers respectively and configured to adjust focus positions of at least two laser beams generated by the at least two lasers; and a beam combination member configured to receive the at least two laser beams whose focus positions have been adjusted, and output the at least two laser beams coaxially.

Laser processing device and laser processing method

A neural network machine translation method comprises: obtaining a to-be-translated source sentence; converting the source sentence into a vector sequence; determining candidate objects corresponding to the vector sequence according to a prefix tree which is pre-obtained and built based on a target sentence database, and determining a target sentence as a translation result according to the candidate objects.

Neural network machine translation method and apparatus

Ranking system metrics for monitoring by sorting members of a set of system metrics into correlation groups according to correlations among historic time series data, determining a sensitivity of the members of the set of system metrics, determining an importance of the members of the set of system metrics according to the correlation groups and sensitivity, and ranking the members of the set of system metrics according to the importance.

Selecting metrics for system monitoring

Embodiments of the present disclosure relate to a method, an electronic device and a computer program for determining bending of a flexible display. The flexible display comprises two parallel capacitive layers and an isolator layer between the two parallel capacitive layers, wherein each capacitive layer comprises multiple capacitive electrodes pairs. The method measures capacitance values of the capacitive electrodes pairs. And then the method determines the bending of the flexible display based on the result of measurement.

Determination of a flexible display

A method, system and computer program product for wireless communication between vehicles are provided. In the method, identification information of a first vehicle by a second vehicle being spatially close to the first vehicle is obtained. And a first key associated with the first vehicle by using the identification information is acquired. Data originated from the first vehicle and signed with a second key corresponding to the first key are identified with the first key. And then the identified data is processed.

Wireless communication between vehicles

The present disclosure provides a speaker recognition method and apparatus, a computer device and a computer-readable medium. The method comprises: receiving target speech data of a to-be-recognized user in a target group; according to the target speech data, a pre-collected speech database and a pre-trained speaker recognition model, obtaining speech output features corresponding to the target speech data and speech output features corresponding to each of said speech data in the speech database; the speaker recognition model employs a convolution neural network model; recognizing the user corresponding to the target speech data according to the speech output features corresponding to the target speech data and the speech output features corresponding to each of said speech data in the speech database. By employing the speaker recognition model based on the convolution neural network model, the present disclosure can accurately obtain the speech output features of each speech data, thereby more accurately recognizing the user corresponding to the target speech data and thereby substantially improving the efficiency of recognizing speakers.

Speaker recognition method and apparatus, computer device and computer-readable medium

Embodiments of the present disclosure relate to a method for verifying an authenticity of a message. The method comprises acquiring a first hash value corresponding to the message, and acquiring a verification code corresponding to the message. The method further comprises computing a second hash value based on the verification code and the message, and verifying the authenticity of the message by comparing the first hash value with the second hash value.

Authenticity verification of messages

A method for identifying a font displayed within an electronic document. In one embodiment, the method includes a computer processor identifying a string of two or more characters that correspond to a custom ligature within an electronic document, wherein the custom ligature is associated with at least one character of the electronic document. The method further includes accessing a font library associated with the electronic document. The method further includes identifying a font file within the font library that corresponds to the at least one character of the electronic document that is associated with the custom ligature. The method further includes identifying a glyph within the identified font file that corresponds to the custom ligature. The method further includes substituting the identified glyph into the electronic document to replace at least the custom ligature. The method further includes displaying the substituted glyph within the electronic document.

Identifying fonts using custom ligatures

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Beijing, China

Ying Cao