Huawei Technologies Co., Limited

Shenzhen Tcl New Technology Co., Ltd.

Shenzhen Tcl Digital Technology Ltd.

Honor Device Co., Ltd.

Yixin Chen

Chen Dong

Renli Xie

Yu Wang

Fan Yang

Xiaohan Chen

Jie Zhang

Deqian Liu

Li Chen

Shuo Wang

Liang Zhang

Xi Huang

Chao Lv

Jie Wang

Bin Yang

Jing Li

Junrong Wen

Pu Zhang

Peida Xu

Jin Qin

Hongbao Li

Yu Pan

Xiaocai Shan

A method and an apparatus for adjusting a viewing angle of a display screen, and a storage medium and an electronic device are disclosed. The method includes: determining a target user, and positioning a first position of the target user, according to the first position, determining a line-of-sight angle of the target user for each display area on a display screen, determining an adjustment parameter of each line-of-sight angle, and according to the adjustment parameter, adjusting, in the display area corresponding to each line-of-sight angle, image pixels of an image to be displayed.

Method and apparatus for adjusting viewing angle of display screen, and storage medium and electronic device

A screen control method, a device, a storage medium, and a terminal device. The method includes: recognizing a user's operation intend; generating preset identifications on a display terminal based on the operation intent and an identification generation rule; obtaining a target image; extracting the preset identifications in the target image, and executing operation instructions on the display terminal. The embodiments of the present invention can enable a display screen without a touch screen to have the effect that the display screen may be interacted with without the aid of physical buttons.

Screen control methods, devices and storage media

This application discloses a method for controlling an electronic device to perform photoplethysmography detection. The method includes obtaining historical detection data of a photoplethysmography sensor, calculating a confidence of the historical detection data, determining, based on the calculated confidence of the historical detection data, whether a light source to be turned on by the photoplethysmography sensor in a next detection time segment includes a light source different from a light source turned on when the historical detection data is obtained, and determining that a photoelectric sensing element to be turned on in the next detection time segment is a photoelectric sensing element corresponding to the determined light source to be turned on.

Electronic device, method for controlling electronic device to perform PPG detection, and medium

A dynamic image enhancement method and device using backlight adjustment, and a computer apparatus. The method comprises: acquiring coding information carried by display content; acquiring an optical indicator parameter of a display; parsing the display content according to the coding information and the optical indicator parameter, and acquiring information of current display content; performing analysis and computation according to the information of the display content, and acquiring analysis data; acquiring a first detail statistics weight and a second detail statistics weight according to the analysis data; acquiring a backlight control parameter and a signal control curve according to the first detail statistics weight and the second detail statistics weight; and adjusting the detail of a current image according to the backlight control parameter and the signal control curve.

Dynamic image enhancement method and device using backlight adjustment, and computer apparatus

A method includes: collecting an original signal in a specified time interval, and performing combined acceleration processing on the original signal to obtain a combined acceleration signal; performing state processing on the combined acceleration signal to obtain a motion time interval, and extracting a plurality of feature groups from the combined acceleration signal according to a preset motion rule; and performing screening on the plurality of feature groups to obtain a first feature group, extracting a median value from the first feature group, and obtaining a stride frequency in the specified time interval based on the median value and a collection frequency, and obtaining a quantity of steps through calculation based on the motion time interval and the stride frequency.

Method and apparatus for counting foot step based on stride frequency, and device

A method includes collecting an original signal in a specified time interval, performing combined acceleration processing on the original signal to obtain a combined acceleration signal, combining n data points of the combined acceleration signal into one data segment, extracting a feature point of the data segment, transforming feature points of all data segments into a feature point signal, analyzing the feature point signal to obtain a stable stage and a fluctuation stage of the feature point signal, performing interference period elimination on the feature point signal with the stable stage and the fluctuation stage according to a specified motion rule to obtain a second feature point signal, and counting a quantity of wave crests of the second feature point signal, where the quantity of wave crests is a quantity of steps.

Method and apparatus for counting foot step based on acceleration information, and device

A color space mapping method includes: confirming data volume of original data, and determining a data extraction ratio according to the data volume; determining a preset order of extracting the original data according to the data extraction ratio; extracting the original data in the preset order, calculating feature data according to the extracted original data, and calculating a feature coefficient according to the original data and the feature data; generating a 3D pixel gray scale table according to the feature coefficient and the feature data; transmitting the 3D pixel gray scale table to a color processing area, to allow a target TV terminal to read a stored data content of the 3D pixel gray scale table for image color mapping; and performing the image color mapping through the 3D pixel scale table. A non-transitory computer readable storage medium and a color space mapping device are further provided.

Color space mapping method, equipment, computer readable storage medium, and device

The present disclosure provides a method and a system for enhancing an image, and a computer readable storage medium. The method includes: obtaining coding information, histogram distribution information, and a signal characteristic parameter of a display content of the image after detecting a frame signal of the display content (S); querying a preset first Look-Up-Table (LUT) according to the coding information of the display content to obtain a corresponding control parameter (S); processing the histogram distribution information according to the control parameter and the signal characteristic parameter to obtain a processed histogram distribution information (S); obtaining an average product length (APL) control value according to the processed histogram distribution information (S); and enhancing the image according to the APL control value (S). Compared with the related arts, the present disclosure improves the image display effect and the user experience without increasing the hardware cost.

Method and system for enhancing image, and computer readable storage medium

A method for calculating a tread frequency of a bicycle includes obtaining a first state of an acceleration signal in a first time window, determining a feature point set from the acceleration signal when the first state includes a riding state, where time distribution of a feature point in the feature point set meets a preset periodic distribution condition, and amplitude meets a physical rule, determining that the first state is the riding state when a feature point subset in the feature point set meets a preset reasonableness condition, and calculating, based on the feature point subset, a quantity of circles and a tread frequency that are in the first time window.

Method for calculating tread frequency of bicycle, wearable device, and storage medium

An electrocardiogram waveform signal method includes obtaining a filtered waveform signal, marking the waveform signal as K signal line segments based on monotonicity, extracting line segment data of each signal line segment, and determining a line segment matching template of the waveform signal based on the line segment data of each signal line segment. The extracting of the line segment includes extracting a line segment length Xi and a line segment width Yi of each signal line segment i of the K signal line segments, performing difference extension on the line segment length Xi and the line segment width Yi based on a preset length and a preset width, respectively, to obtain a normalized signal line segment j, and extracting fourth line segment data of the normalized signal line segment j.

Electrocardiogram waveform signal processing method and apparatus

This application relates to the field of terminals, and discloses a message processing method, message viewing method, and terminal, configured to implement quick message processing and viewing without affecting a current operation. The message processing method is applied to a terminal including a display screen, and the method includes: displaying, by the terminal, an application interface on the display screen; receiving, by the terminal, a message; displaying, by the terminal, a prompt of the message on the application interface; receiving, by the terminal, an input of a user; and continuing displaying, by the terminal, the application interface, responding to the input, terminating displaying the prompt, and processing the message. Embodiments of this application are applied for processing the message.

Message processing method, message viewing method, and terminal

A method, an apparatus, and a system for copyright rights defense detection are provided. The method includes: sending a metadata query request to a copyright handling apparatus; receiving a metadata query response that is sent by the copyright handling apparatus and that includes feature metadata; obtaining a rights-to-be-defended content feature corresponding to the feature metadata from a feature database; sending a license query request to a license processing apparatus; receiving a license query response that is sent by the license processing apparatus and that includes license information; and performing rights defense detection for a copyright based on the obtained rights-to-be-defended content feature and the license information. Rights defense detection can be performed for a copyright by any rights defense detection service apparatus.

Method, apparatus, and system for copyright rights defense detection

The present disclosure relates to an interface generation method. In one example method, an interface generation apparatus obtains a service requirement of a user. The interface generation apparatus determines, based on the service requirement of the user, interface elements for implementing the service requirement and an association relationship between the interface elements for implementing the service requirement. The interface generation apparatus generates a user interface based on the interface elements for implementing the service requirement and the association relationship between the interface elements for implementing the service requirement.

Interface generation method, apparatus, and system

Embodiments of the present disclosure disclose a copyright authorization management method and system. The method includes: obtaining owner-of-copyright information; sending a contract determining notification to a corresponding owner-of-copyright client based on the owner-of-copyright information, where the contract determining notification carries copyright-related information of a to-be-authorized work; receiving transaction information returned by the owner-of-copyright client, where the transaction information includes contract information determined by an owner of copyright based on the copyright-related information; obtaining a valid contract transaction based on the transaction information, where the valid contract transaction includes signatures satisfying a preset-quantity rule; and implementing persistence of the valid contract transaction in a block chain. In technical solutions provided in the embodiments of the present disclosure, online contract signing and persistence of a signed contract are implemented based on the block chain. This improves copyright authorization efficiency, and ensures that the contract is unique, trustworthy, and unalterable.

Copyright authorization management method and system

The present disclosure provides a method for adjusting display image contrast, which includes the following operations: in response to receiving an image signal, acquiring an image to be displayed and metadata according to the image signal, and calculating a signal amplitude corresponding to each pixel of the image to be displayed; generating a histogram showing a distribution of the signal amplitude according to each of the signal amplitudes, and acquiring display information and a backlight adjustment parameter of the image to be displayed according to the histogram; generating a signal adjustment function according to the display information, the backlight adjustment parameter, and the metadata, and adjusting the signal amplitude of each of the pixels according to the signal adjustment function to adjust a contrast of the image to be displayed. The present disclosure further provides a display and a readable storage medium. The cost of improving the display image contrast of the present application is low.

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Shenzhen, China

Yixin Chen