Boe Technology Group Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Beijing Volcano Engine Technology Co., Ltd.

General Electric Company

Emc IP Holding Company LLC

Emc Corporation

Tasly Pharmaceutical Group Co., Ltd.

Chinese Academy of Sciences

Ge Medical Systems Global Technology Company, LLC

Beijing Institute of Technology

Beijing Superhexa Century Technology Co. Ltd.

Jun Guo

Jieqiong Wang

Ming Jin Chen

Yingchao Zhou

Jia Zhai

Xin Duan

Xiaoyan Zhang

Wengang Wang

Chengqi Zhou

Xuyong Yang

Xibin Shao

Shou Li

Ke Wei Sun

Qing Xu

Xuan Luo

Sen Zhang

Mingxia Wang

Yuying Liu

Jingyan Han

Jiying Yang

Mengjun Li

Yu Zhang

Philippe Armangau

Xin Wang

Jun Zhang

William C Davenport

Xiaomang Zhang

Walter Forrester

Hongming Zhan

Christopher Alan Seibel

Kai Sun

Xiao Dong Li

Yi Xu

Pengfei Zhang

Chunguang Xu

Sitaram D Pawar

Yifang Chu

Ashutosh Joshi

Luqiang Guo

Hao Zhu

Ruichen Zhang

Yu Xuan Zhang

Zhuo Liu

Jingyu Xu

Hailiang Liu

Kumar Kanteti

Cuilan Huang

Dingguo Xiao

Haiyang Liu

Lang Xu

Qinxue Pan

Wentao Song

William K McGrath

Shimin Yang

Ming Chen

Yingxiang Wu

Shiying Shi

Xiaoyu Geng

Youjun Zhang

The present application discloses an access limiting method for a metadata server, an apparatus and a device, wherein the method is applied to a data lake metadata server, receives a metadata access request sent by a client, wherein the request is used for obtaining metadata stored by a storage server for describing target data, and the target data is data in a target table. The metadata service interface used by the data lake metadata server is determined according to the metadata access request. When the metadata service interface satisfies the preset condition, determining the number of applied tokens corresponding to the metadata access request according to the number of table partitions and the number of partition levels of the obtained target table.

Access limiting method, apparatus and device for metadata server

A lakehouse metadata tag creation method, a lakehouse metadata tag query method and an electronic device are provided. The method includes: after a metadata service gateway determines a metadata tag creation request based on a metadata tag creation parameter provided by a data engine, sending, by the metadata service gateway, the metadata tag creation request to a metadata tag service system, so that the metadata tag service system executes a tag creation logic based on the metadata tag creation parameter carried in the metadata tag creation request, to implement a requirement of tagging one or more pieces of metadata.

Lakehouse metadata tag creation method, lakehouse metadata tag query method and electronic device

Disclosed in the present application are a method of creating a materialized column based on a data lake and a method of querying data based on a data lake. In these methods, at least one materialized column can be created for a data table first, such that these materialized columns are used for storing data related to common columns in the data table, such that when a user subsequently triggers a data query request for a common column, a materialized column can replace the common column in feeding back the queried data to the user, and in this way, adverse effects caused when the queried data is fed back to the user directly by the common column can be effectively overcome, such that the data query effect can be effectively improved, and the information processing effect for such data tables can thus be effectively improved.

Materialized column creation method and data query method based on data lake

The present disclosure relates to a data management method and apparatus, a storage medium, and an electronic device. The method comprises: obtaining a data access request sent by an engine side, the data access request being used for requesting to perform an access operation on first target data in a data lake; determining, according to the data access request, target metadata corresponding to the first target data from a metadata storage module, the metadata storage module storing metadata of the data lake in different storage modes, respectively, and the metadata stored in the different storage modes having at least one type of the same information; and sending the first target data corresponding to the target metadata in the data lake to the engine side. By constructing a data lake metadata unified service view that meets various engine requirements, metadata intercommunication between different engines is realized.

Data management method and apparatus, storage medium, and electronic device

The present disclosure provides a method and an apparatus for controlling video recording. The method is applied to a head-wearable device provided with a camera and a touch-control area, including: starting video recording in response to a multi-touch operation on the touch-control area; adjusting, in a process of the video recording, a zoom ratio for the video recording according to a moving track of a touch point corresponding to the multi-touch operation; terminating the video recording when it is determined that a recording termination condition is met, where the recording termination condition includes that the multi-touch operation disappears and a duration of the disappearing reaches a first preset duration. In the technical solution of the present disclosure, a series of operation of quickly starting video recording, zooming during recording, and terminating video recording can be completed through simple multi-touch operations, improving the efficiency of interactive operations and the user experience.

Method and apparatus for controlling video recording

Disclosed are a register value transmission method and transmitter, and a display device. The method may be used for a timing controller, and the method includes receiving a user triggered information setting directive including n register values for instructing a source driver to set configuration information of the source driver according to the n register values, n being greater than 1, generating an information setting instruction including the n register values according to the information setting directive, and sending the information setting instruction to the source driver. The disclosure solves the problem of low flexibility of matching the number of register values at both a receiving end and a sending end, and improves the flexibility of matching the number of register values.

Register value transmission method and transmitter, display device and computer readable storage medium

The present invention provides a scan gantry for a medical imaging system. The scan gantry comprises a bottom supporting frame and a tilt supporting frame that are connected to each other, wherein the tilt supporting frame is tiltable relative to the bottom supporting frame. The scan gantry further comprises a locking mechanism connected between the bottom supporting frame and the tilt supporting frame. In the process that the tilt supporting frame is being tilted relative to the bottom supporting frame, the locking mechanism is in an unlocked state; and when the tilt supporting frame is stationary relative to the bottom supporting frame, the locking mechanism is in a locked state to prevent the tilt supporting frame from moving relative to the bottom supporting frame.

Scan gantry for medical imaging system

The present disclosure relates to a method and apparatus for a file system, the file system comprising at least a first logical storage area and a second logical storage area, a logical block of the first logical storage area and that of the second logical storage area being different in size, and in response to a request for creating a file, selecting a logical storage area for storing the file from the at least first logical storage area and second logical storage area; and storing the file in the selected logical storage area. According to the above various embodiments of the present invention, a direct and effective way may be used to support variable-length block size in a file system, without increasing metadata and positioning overheads.

Method and apparatus for file system

The embodiments of the present disclosure provide a method for displaying an image on a dual-screen display panel. According to an embodiment, the dual-screen display panel comprises a dimming screen and a display screen. The method comprises: generating first image data for the dimming screen according to image data; determining dimming driving voltages for a plurality of dimming areas based on the first image data according to a grayscale-dimming driving voltage relationship; determining display driving voltages for a plurality of display areas based on the image data according to a grayscale-display driving voltage relationship; and driving the dimming screen and the display screen with the determined dimming driving voltages and display driving voltages, respectively, to display the image.

Method for displaying image on dual-screen display panel and related apparatus

An image processing method and device, storage medium and computer device are provided. The method includes: generating an original gray scale image of an original image; performing a histogram equalization process on the original gray scale image to obtain an equalized gray scale image; generating decision factor distribution image, wherein the decision factor distribution image includes a first marked region including a region where pixels that are adjacent in position and have standard deviations smaller than set value in the original image are located, and second marked region; obtaining final gray scale image according to original gray scale image, equalized gray scale image and decision factor distribution image. Gray scale values of pixel corresponding to second marked region and first marked region in final gray scale image are respectively gray scale values of corresponding pixel in equalized gray scale image and original gray scale image; and restoring a processed image.

Image processing method and device, storage medium and computer device

This application discloses a data transmission method, a data transmission circuit, a display device and a storage medium, and relates to the field of display manufacturing. The method is used for a timing controller, the method including sending a link stability check data to a source driver after clock calibration, receiving feedback information sent by the source driver, where the feedback information is generated by the source driver when judging that the received link stability check data is correct, and sending target data to the source driver based on the feedback information.

Data transmission method, data transmission circuit, display device and storage medium

The present disclosure relates to a signal detection method and component, as well as a display device. The display device includes a timing controller and a source driver. The source driver receives a test code stream from the timing controller, which is obtained through encoding of an initial code stream by the timing controller, the initial code stream representing a test signal. The source driver decodes the test code stream. When the decoded code stream is different from the initial code stream, configuration information of the source driver is acquired. The configuration information is transmitted to the timing controller, and is adjusted according to reference information of the timing controller when it does not match with the reference information. The source driver receives adjusted configuration information transmitted by the timing controller, and then receives a subsequently transmitted signal according to the adjusted configuration information.

Method and component for signal detection as well as display device

An image processing method and device is configured to convert an obtained image to be processed into a grayscale chrominance YUV mode image; determine an equilibrium mapping curve of a whole grayscale image according to the grayscale image in the YUV mode image; divide the whole grayscale image into a plurality of sub-regions, and determine a mapping restriction parameter for each pixel in each of the sub-regions; adjust a grayscale value of each pixel in the grayscale image according to the determined equilibrium mapping curve of the whole grayscale image and the mapping restriction parameter of each pixel in each of the sub-regions; and convert the adjusted grayscale image into an image of original mode. an image is processed using an equilibrium mapping curve and a plurality of mapping restriction parameters present the image details well and greatly reduce the calculation amount.

Image processing method and device

The present disclosure discloses an image enhancement method and device. The method comprises: performing logarithm related processing on a grayscale value matrix Y of an original image to obtain a logarithmic matrix L_LOG; quantizing the logarithmic matrix L_LOG to obtain a quantized matrix Y_RE; and obtaining an enhanced image of the original image according to the quantized matrix Y_RE, wherein quantizing the logarithmic matrix L_LOG comprises: when the logarithmic matrix L_LOG is quantized to be within a grayscale range of a certain depth, causing a zero point of the logarithmic matrix L_LOG to be close to an average value of the grayscale value matrix Y.

Image enhancement method and device

The present invention provides an X-ray transceiving component for a CT imaging apparatus, comprising one or more bulb devices and a plurality of detector devices. The one or more bulb devices are configured to emit quadrate-tapered or fan-shaped X-ray beams. The plurality of detector devices are configure to receive the quadrate-tapered or fan-shaped X-ray beams emitted by the one or more bulb devices, each of the quadrate-tapered or fan-shaped X-ray beams comprising X-rays passing through a scanning field of view. Note that the plurality of detector devices are configured to receive X-rays passing through different areas within the scanning field of view, the one or more bulb devices are micro-focus bulb devices, and the plurality of detector devices are flat panel detectors or photoelectric coupling detectors. The present invention can greatly improve a resolution of CT imaging, increase imaging efficiency, and realize low-dose diagnosis in the case of ensuring that the scanning field of view is sufficient.

CT imaging apparatus and method, and X-ray transceiving component for CT imaging apparatus

Growing community of inventors

Beijing, China

Jun Guo