Huawei Technologies Co., Limited

Honor Device Co., Ltd.

Chinese Academy of Sciences

Henghui Lu

Shuiping Long

Wenmei Gao

Fan Yang

Hao Liu

Huangwei Wu

Zhiming Ding

Lei Zhang

Bo Xu

Xiaobo Yu

Chen Dong

Chan Wang

Zhenguo Du

Jingqing Mei

Liqiang Wang

Zhihao Jin

Lei Qin

Xin Ding

Xiaochen Chen

Jiaming Xu

Zhizhi Guo

Yongxiang Liu

A speech separation method is provided, and relates to the field of speech. The method includes: obtaining, in a speaking process of a user, audio information including a user speech and video information including a user face; coding the audio information to obtain a mixed acoustic feature; extracting a visual semantic feature of the user from the video information; inputting the mixed acoustic feature and the visual semantic feature into a preset visual speech separation network to obtain an acoustic feature of the user; and decoding the acoustic feature of the user to obtain a speech signal of the user. An electronic device, a chip, and a computer-readable storage medium are provided.

Speech separation method, electronic device, chip, and computer- readable storage medium

An image processing method includes displaying a first key frame image obtained from a sequence frame video stream; obtaining a first foreground image and a first background image obtained after foreground and background separation processing is performed on the first key frame image; obtaining a second foreground image obtained after foreground image processing is performed on a first target object in the first foreground image; obtaining a third background image obtained after background repair processing is performed on the first background image using a second background image, where the second background image is a background image included in a second key frame image obtained by photographing a target scene before the first key frame image is obtained; and obtaining a first key frame image obtained after foreground and background compositing processing is performed on the second foreground image and the third background image.

Image processing method and electronic device to improve an image compositing effect

A speckle detection method includes: obtaining a to-be-detected image; converting the to-be-detected image into Lab color space to obtain a Lab image; extracting a speckle feature from the Lab image to obtain a speckle feature image, where the speckle feature image includes a skin speckle feature and a subcutaneous speckle feature; and determining a skin speckle and a subcutaneous speckle in the speckle feature image.

Speckle detection method and electronic device

A pigment detection method includes: extracting a first image from a to-be-detected RGB skin image, where the first image is used to represent a body reflection component in the RGB skin image, and the RGB skin image is photographed by a device having an RGB image photographing function; extracting a pigment from an R channel, a B channel, and a G channel of the first image based on a correspondence between a first spectral response curve of the pigment and a second spectral response curve of the device having the RGB image photographing function; and generating a pseudo-color image based on the extracted pigment, and displaying the pseudo-color image.

Pigment detection method and electronic device

An image detection method includes determining, by a terminal in a skin detection mode, a to-be-detected original image in a raw format based on a to-be-detected feature, processing the to-be-detected original image according to a preset rule corresponding to the to-be-detected feature to obtain a detection-specific image, determining a normal image that is in a Joint Photographic Experts Group (JPEG) format, detecting the detection-specific image to determine a detection result image, and determining a to-be-displayed image based on the detection result image and the normal image.

Image detection method and apparatus and terminal

A terminal device calibrates a to-be-detected image based on a light source color temperature and scene brightness that are obtained during imaging of the to-be-detected image and based on a preset reference color card image set to restore a real color of the to-be-detected image to a greatest extent.

Color detection method and terminal

Embodiments of the present invention disclose a Wi-Fi ranging method including: receiving, by a target node, a first NDP sent by a reference node and recording a first NDP receiving time of receiving the first NDP, and sending a second NDP to the reference node and recording a second NDP sending time of sending the second NDP; receiving, by the target node, a ranging response frame sent by the reference node, where the ranging response frame includes a first NDP sending time at which the reference node sends the first NDP and a second NDP receiving time at which the reference node receives the second NDP; and calculating, by the target node, a distance between the target node and the reference node based on the first NDP receiving time, the second NDP sending time, the first NDP sending time, and the second NDP receiving time.

Wireless fidelity Wi-Fi ranging method and system, and related device

A positioning cycle adjustment method comprising: obtaining, by a mobile device, a group of environment record information in a current environment; determining, by the mobile device, a location change rate value of the mobile device based on obtained N groups of environment record information, where N is greater than or equal to 2; and then adjusting a positioning cycle of the mobile device based on the determined location change rate value.

Positioning cycle adjustment method and apparatus

A mobile terminal control method includes receiving N direction-finding signals that are respectively sent by a multiple-antenna node at N moments, where the multiple-antenna node is located in an indoor-outdoor critical area. The method includes obtaining N pieces of location relationship information between a mobile terminal and the multiple-antenna node at the N moments according to the N direction-finding signals, where the N moments and the N pieces of location relationship information are in a one-to-one correspondence. The method includes determining location relationship change information between the mobile terminal and the multiple-antenna node according to at least M of the N pieces of location relationship information, where 2&#x2264;M&#x2264;N. The method includes controlling the mobile terminal by matching the location relationship change information and according to the location relationship change information.

Mobile terminal control method, apparatus, and system

A method includes collecting m atmospheric pressure values and n groups of WI-FI information within a preset period, determining an atmospheric pressure change rate according to at least two of the m atmospheric pressure values, when an absolute value of the atmospheric pressure change rate is greater than a preset value, determining, according to the n groups of WI-FI information, k access points (APs) that send the n groups of WI-FI information and nreceived signal strengths (RSSs) respectively corresponding to the k APs, obtaining floors on which the k APs are respectively located, determining two candidate floors according to the floors on which the k APs are respectively located and the nRSSs respectively corresponding to the k APs, and determining a target floor from the two candidate floors according to the atmospheric pressure change rate.

Floor determining method and system, and related device

The present disclosure relates to the field of short-distance wireless communications technologies, and in particular, to a method and system for obtaining location information of a target object, and an apparatus. In a solution of obtaining location information of a target object in the solutions, at least one second user is selected from a user relationship chain of a first user, and the location information of the target object is obtained by using a second terminal related to the second user. In another solution of obtaining location information of a target object, the location information of the target object is obtained by using a second terminal whose distance to a location represented by first location information is less than or equal to a preset distance.

Method and system for obtaining location information of target object, and apparatus

A location-based reminding method includes obtaining, by an indication device, reminding information and at least one reminding account that are set by a user, where each of the at least one reminding account is corresponding to at least one reminding device; generating, by the indication device, first information that includes the reminding information; and sending, by the indication device, the first information to a reminding device corresponding to the at least one reminding account, so that the reminding device corresponding to the at least one reminding account obtains second information according to the first information, where the second information includes the reminding information and a target geographic area, each reminding device corresponding to the at least one reminding account issues the reminding information when determining that the reminding device meets a preset reminding condition, and the preset reminding condition includes entering the target geographic area.

Location-based reminding method, indication device, reminding device, and mobile terminal

A method for controlling interference in an audio service and a terminal, where the method includes sending, by a first terminal, a first message using a short-range wireless communications technology when executing an audio service, determining, by a second terminal according to the first message, whether the second terminal supports interference control, and adjusting, by the second terminal, a setting of the second terminal according to the interference control parameter when the second terminal supports the interference control, and the second terminal falls within a controlled range. It can be learned that in a process in which the first terminal performs interference control on the second terminal, the first terminal may send the first message to the second terminal without a need of a noise reduction device such that the second terminal adjusts the setting of the second terminal.

Method for controlling interference in audio service and terminal

Embodiments of the present disclosure provide a collaborative positioning method and a wireless terminal, includes: generating, by a wireless terminal, positioning request information, where the positioning request information includes a positioning precision parameter; selecting a wireless communications technology according to the positioning precision parameter, where the selected wireless communications technology is a communications manner used by the wireless terminal to perform collaborative positioning; obtaining, by using the selected wireless communications technology, first collaborative positioning information sent by a neighboring terminal, where the first collaborative positioning information includes location information of the neighboring terminal; and calculating, by the wireless terminal, a current location of the wireless terminal according to the location information of the neighboring terminal. The embodiments of the present disclosure resolve a problem that a requirement on hardware of two collaboration parties is relatively strict.

Collaborative positioning method and wireless terminal

A method includes determining a first coordinate representing the geo-fence in a first coordinate system when it is detected that a geo-fence is set, where the first coordinate system is a coordinate system used by the geo-fence, converting the first coordinate into a second coordinate representing the geo-fence in a second coordinate system, where the second coordinate system is a coordinate system set to implement geo-fencing by a positioning technology, and the first coordinate system is different from the second coordinate system, comparing a coordinate of a positioning result determined using the positioning technology with the second coordinate representing the geo-fence, and triggering a preset event when a relationship between the coordinate of the positioning result and the second coordinate representing the geo-fence satisfies a trigger condition.

Growing community of inventors

Beijing, China

Henghui Lu