Nokia Technologies Oy

Tsinghua University

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

Apollo Intelligent Driving Technology (beijing) Co., Ltd.

Capitalbio Corporation

He Yan

Jiangwei Li

Liang Wang

Kongqiao Wang

Zuoyi Zhang

Bosheng Wang

Xingzhong Diao

Ming Wang

Hao Wang

Lei Wang

Haitao Wang

Shiyu Song

Wanli Xing

Yuanfan Xie

Feilong Yan

Kong Qiao Wang

Yujie Dong

Weixin Lu

Ying Lu

Dongming Chen

Zhengming Zhang

Libin Sun

Zhichun Fan

A method of enriching nucleic acid, including mixing a sample with a solid phase extraction material; and separating the solid phase extraction material; wherein the solid phase extraction material is glass beads or magnetic beads modified with reduced graphene oxide. Also disclosed is a method of detecting nucleic acid, including mixing a nucleic acid sample enriched by the method above with a probe; and amplifying and detecting an amplification product by electrophoresis.

Solid phase extraction material and its use for nucleic acid enrichment and detection

The method comprises: creating a 3D scenario model of a calibration scenario, based on data of the calibration scenario collected by an already-calibrated 3D scanner; obtaining point cloud data collected by a to-be-calibrated multi-line laser radar at a plurality of position points in the calibration scenario respectively; aligning the point cloud data collected by the multi-line laser radar at the respective point points and point cloud data in the 3D scenario model into the same coordinate system on a principle that the respective position points are aligned with corresponding position points in the 3D scenario model; building a target function between data of points collected by the multi-line laser radar and data of matching points nearest to the points in the 3D scenario model, under the same coordinate system; calibrating the parameters of the multi-line laser radar according to the target function.

Parameter calibration method and apparatus of multi-line laser radar, device and readable medium

Disclosed are an electrical penetration assembly, a manufacturing method thereof, and an electrical penetration device, which relate to the technical field of electrical penetration. The electrical penetration assembly comprises sealing glass (), an outer tube () and a conductor () inserted into the outer tube (), wherein both ends of the outer tube () are blocked by supporting and fixing blocks (), and both ends of the conductor () respectively protrude from the corresponding supporting and fixing blocks (); the sealing glass () is sintered between the conductor () and the outer tube () and is configured to divide an annular cavity jointly enclosed by the conductor (), the outer tube () and the supporting and fixing blocks () into an upper cavity and a lower cavity; an optical fiber () penetrates the sealing glass (), at least one end of the optical fiber () is connected to an optical fiber splice () after protruding from the corresponding supporting and fixing block (), and a portion of the optical fiber () located in the sealing glass () is inscribed with a fiber Bragg grating to form a first fiber Bragg grating sensor (). By utilizing the first fiber Bragg grating sensor () to monitor the strain and temperature of the sealing glass () in real time, not only can it judge whether the electrical penetration assembly meets the requirements for hermeticity, but also enable precise control of the sintering temperature.

Electrical penetration assembly, manufacturing method thereof, and electrical penetration device

A method and apparatus for identifying laser point cloud data of an autonomous vehicle provided with a lidar. A specific implementation of the method includes: acquiring current pose information of the autonomous vehicle in a world coordinate system in response to receiving a latest frame of laser point cloud data collected by the lidar; acquiring from the cache, based on the current pose information, N&#xd7;N map blocks centered on map blocks corresponding to the current pose information in a preset three-dimensional grid map and pre-loaded into a cache and are; and executing, for each laser point data in the received laser point cloud data, the laser point data identification operations. The implementation realizes identifying whether each laser point data is a static laser point, and can improve the accuracy rate of identifying a laser point data obstacle.

Method and apparatus for identifying laser point cloud data of autonomous vehicle

The present disclosure provides an obstacle detecting method and apparatus, a device and a storage medium, wherein the method comprises: obtaining a 3D point cloud collected by a driverless vehicle during travel; determining a set of vertexes and a set of edges respectively according to the obtained 3D point cloud; clustering vertexes in the set of vertexes according to the set of edges to obtain a smallest generated tree as an obstacle detection result. The solutions of the present disclosure can be applied to reduce workload and improve the accuracy of detection results.

Obstacle detecting method and apparatus, device and storage medium

A reactor lateral reflection layer telescoped control rod capable of separately achieving cold shutdown includes an inner rod, an outer rod and a guide cylinder assembly which are vertically and coaxially arranged, wherein the outer rod and the guide cylinder assembly are hollow cylindrical bodies; the top end of the inner rod can move up and down inside the outer rod and the other end of the inner rod moves up and down, along with the top end, inside a control rod passage which is positioned below the guide cylinder assembly and is coaxial with the guide cylinder assembly; and the top end of the outer rod can move up and down in the guide cylinder assembly and the other end of the outer rod moves up and down, along with the top end, inside the control rod passage.

Reactivity control method and telescoped control rod for pebble-bed high-temperature gas-cooled reactor

Embodiments of the present invention relate to a method and apparatus for detecting an imaging condition. In one embodiment, there is provided a method for detecting an imaging condition. The method comprises: determining, based on luminance distribution in a first image of a scene, imaging lightness of the first image, the first image being captured by a first camera; determining, based on detection of a highlighted region in a second image of the scene, imaging exposureness of the second image, the second image being captured by a second camera, the first image and the second image being captured under a same or similar imaging condition, an exposure amount of the first camera being lower than an exposure amount of the second camera. There is also disclosed a relevant apparatus, electronic device, and a computer program product.

Method and apparatus for detecting imaging conditions

The present invention provides a method for image processing, a corresponding apparatus and a computer program product. The method comprises performing face detection of an image, obtaining a coarse face segmentation region of at least one face and a contour edge of the at least one face based on the face detection; and adjusting the coarse face segmentation region based on the contour edge to obtain a fine face segmentation region. By using the method, corresponding apparatus and computer program product of the present invention, the coarse face region in an image can be precisely segmented, which provides a good basis for the subsequent image processing based on the fine face segmentation region.

Method and apparatus for facial image processing

Embodiments of the present invention relate to a method and apparatus for image enhancement. In particular, there is provided a method for image enhancement, the method comprising: estimating unsharpness of the image (S-S); determining a protection level of at least one pixel in the image based on the unsharpness (S); and modifying a value of the at least one pixel to enhance the image, an amount of the modifying being determined at least in part based on the protection level (S-S). A corresponding apparatus and user device are disclosed. The invention may be applied to fog or haze removal from images or video without producing over-removal artifacts. In some embodiments, the invention may also be used to remove noise from low-light images.

Method and apparatus for image enhancement

The present invention provides a method and apparatus for processing a video frame in a video file, the method comprising: for each predetermined numerical value of one or more predetermined numerical values, comparing the video frame with a video frame spaced prior to the video frame by the predetermined numerical value of frames to obtain a first inter-frame difference; comparing the video frame with a video frame spaced after the video frame by the predetermined numerical value of frames to obtain a second inter-frame difference; and for each pixel of the video frame, obtaining a confidence map associating the video frame by the predetermined numerical value based on a smaller value of the first inter-frame difference and the second inter-frame difference; and determining, at least based on a value of each pixel in one or more of the confidence maps associated with a corresponding predetermined numerical value, whether the pixel belongs to a foreground.

Growing community of inventors

Beijing, China

He Yan