Boe Technology Group Co., Ltd.

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

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Hefei Boe Optoelectronics Technology Co., Ltd.

Heifei Xinsheng Optoelectronics Technology., Ltd.

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

Yifei Zhan

Xianpeng Lang

Changjie Ma

Miao Yan

Xiong Duan

Wang Zhou

Dayu Zhang

Yonggang Jin

Kun Li

Feng Yang

Cheng Chen

Shancai Zhang

Yufei Hu

Xiaohan Ling

Youshan Hou

Jing Wang

Tao Ma

Qing Zhang

Guanglei Yang

Yueyuan Zhang

Rikun Jiang

Zhaobo Jiang

Chengcheng Hou

Xinchen Ma

A display device, a pixel circuit and its driving method and driving device. The driving method includes the steps of, during a frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a first preset mode; during a frame sequence formed by successive Y frames and adjacent to the frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a second preset mode, wherein the first preset mode is different from the second preset mode, and X and Y are positive integers not less than 2. The method can enable the charging time of the pixel circuit to be balanced in space, thereby improving image display quality.

Display device, pixel circuit and its driving method and driving device

A touch compensation method includes: for at least one line, estimating coordinates of a point to be compensated at a current moment according to coordinates of n touch recognition points at n previous moments, and n being an integer greater than or equal to 2; calculating compensation data of a touch model corresponding to the point to be compensated according to first touch data of a touch model corresponding to a touch recognition point of a previous 1st moment T; obtaining all touch data of a touch screen at the current moment, and obtaining second touch data at the current moment at a place where the touch model corresponding to the point to be compensated is located from the all touch data according to the coordinates of the point to be compensated; and compensating the second touch data according to the compensation data.

Touch compensation apparatus, touch compensation method, and touch screen

The present disclosure provides a touch data processing method, a device and a storage medium. Here, the touch data processing method includes: acquiring a first touch signal detected by a touch screen during a first detection period, and obtaining a first finger model according to the first touch signal; acquiring a second finger model which is obtained according to a second touch signal detected by the touch screen during a second detection period, wherein each of the first finger model and the second finger model comprises an area where a finger is in contact with the touch screen and touch data corresponding to respective sub-areas in the area; determining whether the finger is separated from the touch screen according to a change amount of first touch data in the first finger model relative to second touch data in the second finger model; and determining the first touch data to be valid touch data and reporting the first touch data in response to the finger not being separated from the touch screen, and determining the first touch data to be invalid touch data in response to the finger being separated from the touch screen.

Method of determining whether touch data valid, and device and storage medium for the same

Embodiments of the present disclosure can include a method and apparatus for adjusting a point cloud data acquisition trajectory, and a computer readable medium. According to the embodiments of the present disclosure, a trajectory may be adjusted based on a characteristic extracted from point cloud data. A parameter that needs to be adjusted may be selected according to the property of the characteristic, instead of adjusting all parameters at the same time. In addition, according to the embodiments of the present disclosure, when trajectories are fused, the sequence relationships between the trajectory points in the trajectories can be considered, which avoids that a loop cannot be closed.

Method and apparatus for adjusting point cloud data acquisition trajectory, and computer readable medium

Implementations of the present disclosure can include a method and apparatus for processing point cloud data. Specifically, the method for processing point cloud data can be provided, including: acquiring a first frame and a second frame respectively from the point cloud data; extracting a first candidate object from the first frame and a second candidate object corresponding to the first candidate object from the second frame, respectively; determining a first location of the first candidate object and a second location of the second candidate object in a coordinate system of the point cloud data, respectively; and identifying any one of the first candidate object and the second candidate object as a moving object, in response to an offset between the first location and the second location.

Method and apparatus for processing point cloud data

A method, apparatus, and computer readable medium for generating a raster map are provided. The method includes generating a first raster map having a first resolution based on acquired laser point cloud. The method further includes generating a second raster map having a second resolution by merging rasters in the first raster map, the second resolution being lower than the first resolution. In addition, the method further includes storing the first raster map and an association between the first raster map and the second raster map. Some embodiments of the present disclosure are capable of meeting different levels of navigation or positioning requirements by generating raster maps of multiple resolutions. Furthermore, some embodiments of the present disclosure store only the raster map having the highest resolution and the association between the various levels of maps, thereby saving the storage space.

Method and apparatus for generating raster map

A method for generating a point cloud data recovery model includes: acquiring at least one 2D image associated with a first point cloud data frame; partitioning the first point cloud data frame into at least one point cloud data set based on attributes of objects in the 2D image; and for each point cloud data set: determining a matching image of the first point cloud data frame from the at least one 2D image; determining 3D position data of a pixel point in the matching image based on the first point cloud data frame and at least one second point cloud data frame; and using 2D position data and the 3D position data of corresponding pixel points in the matching image as training input data and output data of a training model to generate a point cloud data recovery model for the object corresponding to the point cloud data set.

Method and apparatus for recovering point cloud data

The present disclosure provides a common voltage generation circuit, a common voltage generation method, and a display device, and belongs to the field of display technology. The common voltage generation circuit includes: an initial common voltage generation component configured to generate an initial common voltage controlled by a ground voltage and a positive power supply voltage according to a clock synchronization signal and a serial digital signal as received; and a common voltage adjustment component configured to generate a common voltage controlled by the ground voltage and a negative power supply voltage according to the initial common voltage.

Common voltage generation circuit and generation method, and display device

Embodiments of the present disclosure provide a method, apparatus, and computer readable storage medium for processing an image. The method described herein includes determining a to-be-processed first region and a to-be-processed second region in an input image, the first region is at least partially filled with a first color, the second region is at least partially filled with a second color, and the first region and the second region are adjacent regions sharing a common boundary region. The method further includes shrinking the first region and the second region, to enable neither of the shrunken first region and the shrunken second region to include the boundary region. The method further comprises expanding the shrunken first region and the shrunken second region, to enable the boundary region to be filled with at least one color of the first color or the second color.

Method, apparatus, and computer readable medium for adjusting color annotation of an image

The disclosure relates to a method, apparatus, device, and computer readable storage medium for determining a lane line on a road. The method includes: acquiring a first curve as a reference curve, the first curve being obtained by fitting a first set of points selected from sets of points in different areas of the road; iteratively executing operations: selecting a second set of points from the sets of points based on the reference curve; generating a second curve by fitting the second set of points, determining a difference between a fitting degree associated with the reference curve and a fitting degree associated with the second curve, determining whether a convergence condition is met based on the difference, and setting the second curve as the reference curve if not met and determining the lane line of the road based on the second set of points if met.

Method, apparatus, and device for determining lane line on road

Exemplary embodiments of the present disclosure provide a method, apparatus and computer readable storage medium for creating a map and positioning a moving entity. A method for creating a map includes acquiring an image acquired when an acquisition entity is moving and location data and point cloud data associated with the image, the location data indicating a location where the acquisition entity is located when the image is acquired, the point cloud data indicating three-dimensional information of the image. The method further includes generating a first element in a global feature layer of the map based on the image and the location data. The method further includes generating a second element in a local feature layer of the map based on the image and the point cloud data, the first element corresponding to the second element.

Method and apparatus for creating map and positioning moving entity

Embodiments of the present disclosure can provide a method, apparatus and computer readable storage medium for determining a matching relationship between point cloud data. The method can include extracting a first characteristic associated with first point cloud data and a second characteristic associated with second point cloud data. The first point cloud data and the second point cloud data are acquired for the same object. The method can further include performing characteristic matching between the first characteristic and the second characteristic. In addition, the method can further include determining, based on the characteristic matching, a matching relationship between the first point cloud data and the second point cloud data.

Method and apparatus for determining matching relationship between point cloud data

According to the exemplary embodiments of the present disclosure, a method and apparatus for detecting a lane line, and a medium are provided. A method for generating a lane line detection model includes: detecting a lane line in an original image to generate a first image associated with the detected lane line; acquiring a second image generated based on the original image and associated with a marked lane line; generating at least one tag indicating whether the detected lane line is accurate, based on the first image and the second image; and training a classifier model for automatically identifying the lane line, based on the first image and the at least one tag. In such case, the lane line detection may be achieved in a simple and effective way.

Method and apparatus for detecting lane line, and medium

A method and apparatus for fusing point cloud data, and a computer readable storage medium are provided. Some embodiments of the method can include: acquiring a first image and a second image, the first image and the second image being respectively associated with a first frame of point cloud data and a second frame of point cloud data acquired for a given scene; determining a point cloud movement matrix between the first frame of point cloud data and the second frame of point cloud data on the basis of the first image and the second image; and fusing the first frame of point cloud data with the second frame of point cloud data on the basis of the point cloud movement matrix.

Method and apparatus for fusing point cloud data

A method and apparatus for identifying an intersection in an electronic map, and a computer readable medium are provided. An embodiment of the method includes: acquiring boundary information related to road boundaries from an electronic map; determining a topological relationship between the road boundaries in an area having a predetermined size in the electronic map based on the boundary information; and determining a distribution of an intersection in the area based on the topological relationship. The apparatus corresponding to the method, the device implementing the method of the present disclosure, and the computer readable medium are also provided. Through the technical solutions, the intersection may be automatically identified by detecting the road boundaries, which improves the efficiency of producing a high-precision map, and has the advantage of high accurate recall rate, strong universality, or simple method.

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Beijing, China

Yifei Zhan