1066 results about "Scan line" patented technology

A camera system has at least a first and a second camera each with an image sensor. Active areas of the image sensors of the first and second camera are determined and define an extended image space of a real-time panoramic video. A bounding box captures a fixed position in space or an object is set. The bounding box moves through extended image space. Image data determined only by the bounding box is harvested from camera image sensors and displayed within a window on a screen in real-time. Scan-line control of images sensors based on the bounding box is updated in real-time to form an e-gimbal. Steps of the e-gimbal are performed by a machine learning inference phase on a processor.

A lidar system and method. Each emitter of the emitter array emits a light beam directed toward the FOV through the scanning unit. In one embodiment, an emission light beam guided according to an alternating energy level illumination protocol enables detection under halo, in which a first light beam emitted by a first emitter and having a first energy level illuminates a first FOV region, and a second light beam emitted by a second emitter and having a second energy level illuminates a second FOV region. And a second light beam emitted by the second emitter and having a second energy level irradiates a second FOV region adjacent to the first FOV region, wherein the first energy level is lower than the second energy level. In another embodiment, an emission light beam guided according to an offset illumination protocol enables detection under halo, where a first light beam emitted by a first emitter in a first plurality of scan lines illuminates the FOV portion at a first time and a second light beam emitted by a second emitter in a second plurality of scan lines at a second time. And a second light beam emitted by the second emitter in the second plurality of scan lines illuminates the FOV portion at a second time after the first time. Each detector of the detector array detects a reflection of the emitted light beam.

A display screen, a display module, and an electronic device are disclosed. The display screen includes a display pixel circuit and a controller. The display pixel circuit includes a first display pixel circuit and a second display pixel circuit. During each frame scan time of the display screen, when any one of the multiple current scan lines is located in a non-display area, the controller controls the input voltage parameter of the first display pixel circuit corresponding to the current scan line located in the display area to a first voltage, and the reset current of the photodiode in the first display pixel circuit to a first current value. When all the multiple current scan lines are located in the display area, the controller controls the input voltage parameter of the second display pixel circuit corresponding to the multiple current scan lines to a second voltage, and the reset current of the photodiode in the second display pixel circuit to a second current value. The deviation between the second current value and the first current value is less than a preset threshold. By using this application, the problem of uneven brightness display can be avoided.

The invention provides an intelligent labeling method for digital slices at a browser side and application of the intelligent labeling method, and relates to the technical field of medical image processing. The invention aims to solve the problem of poor interaction experience caused by data privacy risk and network delay due to dependence on a back-end server in the prior art. The method comprises the following steps: determining a seed point in response to an interactive operation of a user at a browser end, and dynamically loading a local slice image based on a spatial index; and calling a GPU (Graphics Processing Unit) by utilizing WebGL to calculate pixel similarity in parallel, adaptively adjusting a similarity threshold according to a current view zooming level, generating a segmentation mask in combination with a scanning line region growing algorithm, and performing vectorization rendering. According to the method, data does not need to be uploaded to a server, pure front-end, lightweight and real-time intelligent labeling of the GB-level high-resolution pathological section is achieved, data privacy is effectively guaranteed, and labeling efficiency is improved.

A pixel includes: a first transistor including a gate electrode connected to a first node, a first electrode connected to a first power line for receiving a first driving power voltage via a second node, and a second electrode connected to a third node; a light-emitting element including a first electrode connected to the third node, and a second electrode connected to a second power line; a second transistor connected between a data line and the second node, and including a gate electrode connected to a first scan line; and a third transistor connected between the first node and a third power line for receiving an initialization power voltage. The second transistor is set to a turn-on state during at least a portion of a turn-on period of the third transistor. The initialization power voltage is set to be lower than a data signal.

The utility model provides an array substrate. The array substrate comprises a substrate body; the scanning lines extend in the first direction and are arranged in the second direction; a plurality of signal lines; a gate driving circuit; the plurality of binding bonding pads comprise a plurality of first bonding pads and a plurality of second bonding pads; the plurality of first bonding pads comprise a plurality of first sub-bonding pads and a plurality of second sub-bonding pads; in the row of first bonding pads, the multiple first sub bonding pads are arranged at intervals in the first direction, and the distance between at least one second sub bonding pad and the display area in the second direction is not equal to the distance between the first sub bonding pad and the display area; the second bonding pad comprises a plurality of third sub-bonding pads, one end of the gate signal lead is electrically connected with the third sub-bonding pads, the other end of the gate signal lead extends to be electrically connected with the gate driving circuit, and a part of the gate signal lead is located on the sides, away from the display area, of the second sub-bonding pads.

The application relates to a multi-radar image fusion method suitable for ship navigation and shore-based monitoring, which comprises the following steps: 1, acquiring the position information and north information of different received radars, establishing a unified spatial coordinate system of the different radars, and calculating the position points of the different radars in the coordinate system; 2, respectively drawing the scanning lines of the received radars in the unified spatial coordinate system; 3, transmitting the radar echo data transmitted in real time, the fusion mode configuration parameters and the image of the scanning lines of the radars drawn in the unified spatial coordinate system to the GPU through OpenGL; 4, fusing the images of the scanning lines of all the radars drawn in the unified spatial coordinate system, and coloring the fused image in the GPU; and 5, displaying the fused image on a display interface. Through the OpenGL technology, the work of the CPU is transferred to the GPU, the work load of the CPU is reduced, seven fusion modes are provided, and the enhanced perception of the multi-radar image of the user is enhanced.

A display device includes a base layer including a display area in which a plurality of pixels is disposed and a non-display area disposed adjacent to the display area, a gate driver disposed in the non-display area and configured to output a write scan signal, a scan line, and a shield pattern. The scan line includes a vertical line extending from the gate driver in a first direction and configured to apply the write scan signal to the plurality of pixels, and a horizontal line extending in a second direction crossing the first direction and electrically connected to the vertical line. The shield pattern overlaps the vertical line.

The invention provides a layout splicing method. The layout splicing method comprises the following steps: acquiring a list of vertexes and a list of edges of a plurality of slices of a layout; according to the list of the vertexes of the multiple slices, a list of the vertexes of the layout is obtained, and the list of the vertexes of the layout comprises the vertexes of the multiple slices; according to a vertex of a first graph of the first slice, determining a tangency point of the first slice, the first graph being a graph with at least one edge overlapping with at least one boundary of the first slice in the first slice, and the tangency point being a vertex located on the boundary of the first slice in the first graph; according to the tangent points of the multiple slices, a cross-slice edge of the layout is determined, and the cross-slice edge comprises a first tangent point and a second tangent point which are located on a first boundary and a second boundary which are overlapped of the adjacent slices respectively; and determining a list of edges of the layout according to the list of the cross-slice edges and the plurality of slice edges. According to the method, the number of vertexes and the number of edges involved in a scanning line algorithm in the layout splicing process can be reduced, so that the layout splicing efficiency is improved.

The invention belongs to the technical field of display driving, and particularly relates to a pixel circuit, a pixel driving method and a display panel, and the pixel circuit comprises a pixel driving module which is used for responding to a scanning signal input on a scanning line and a data signal input on a data line, and outputting a corresponding target driving current; the light emitting module is used for emitting light with corresponding brightness under the action of the target driving current; the detection module is used for responding to a detection control signal input on the detection signal line in a detection time period, and obtaining a detection voltage on the data detection node and a detection current flowing through the data detection node in a time-sharing manner; according to the pixel circuit, through cooperative work of the pixel driving module, the light emitting module and the detection module, real-time detection of key parameters is completed while normal display is maintained, and the detection precision of the pixel circuit is improved.

A scan driver of a display device includes a plurality of stages. Each stage includes: a scan unit which includes a plurality of scan transistors and outputs a scan signal for driving a scan line using the plurality of scan transistors; and a memory unit which receives a start signal, a data voltage, and a scan control signal, and selectively outputs, to the scan unit, at least one among the start signal and the data voltage as a scan start signal. The start signal may include an initial start signal and a scan signal of a previous stage. In a programming mode, the memory unit outputs the start signal to the scan unit as the scan start signal, and in a selective scan driving mode, does not output the start signal and outputs the data voltage to the scan unit as the scan start signal.

The invention discloses an FPGA point cloud registration acceleration method and system based on a scanning line auxiliary distance projection structure, and the method comprises the steps: carrying out the projection of a source LiDAR point cloud according to a distance and an azimuth angle, taking the Euclidean distance from a point to a sensor in an azimuth angle partition as a distance domain, dividing the distance domain into distance scale segmentation domains, and distributing distance scales, counting points in a distance scale segmentation domain, accumulating according to the distance scale to obtain an initial position, forming an SA-RPS-Index initial index array, executing counting sorting on source LiDAR point clouds, rearranging points which belong to the same distance scale segmentation domain and are positioned in the same distance scale into a continuous memory, generating an SA-RPS-Point point array, and storing the SA-RPS-Point point array in the SA-RPS-Index initial index array in the SA-RPS-Index initial index array in the SA-RPS-Index initial index array in the SA-RPS-Index initial index array. A scanning line auxiliary distance projection structure is obtained in combination with an SA-RPS-Index initial index array, each query point in a target LiDAR point cloud is marked to extract a candidate point, the distance between the candidate point and the query point is calculated, a PNN-C triple and an ENN-C edge corresponding point set are obtained in combination with K neighborhood and scanning line attributes, rigid body transformation between a source point cloud and a target point cloud is solved, and the target point cloud is obtained. And obtaining a motion estimation result.

Provided herein may be a display device including: a display panel first scan lines, second scan lines, and pixels electrically connected to the first and second scan lines; a first scan driving circuit including a plurality of first shift registers each of which is configured to output a first scan signal to a corresponding first scan line and is configured to be reset by a first reset signal; a second scan driving circuit including a plurality of second shift registers each of which is configured to output a second scan signal to a corresponding second scan line and is configured to be reset by a second reset signal; and a timing controller configured to respectively output the first reset signal and the second reset signal through different signal lines. The display device may be improved in visibility so that images can be displayed at various refresh rates.

The invention discloses a driving method for a display device. The display device comprises a plurality of sub-pixels, scanning lines and data lines. The method comprises the following steps of: receiving picture data, wherein the picture data comprises a plurality of sub-pixel gray-scale values to correspond to sub-pixels; the absolute value of the difference value between a first sub-pixel gray-scale value corresponding to a first sub-pixel and a second sub-pixel gray-scale value corresponding to a second sub-pixel is calculated, the first sub-pixel is electrically connected with one of a data line and two scanning lines, and the second sub-pixel is electrically connected with the other one of the data line and the two scanning lines; and when the absolute value of the difference value is greater than or equal to the first threshold value, adjusting the sub-pixel gray-scale value of at least one of the first sub-pixel and the second sub-pixel. Wherein a difference absolute value between the adjusted sub-pixel gray-scale value of the first sub-pixel and the adjusted sub-pixel gray-scale value of the second sub-pixel is smaller than a difference absolute value between the adjusted sub-pixel gray-scale value of the first sub-pixel and the adjusted sub-pixel gray-scale value of the second sub-pixel.

The invention discloses a contour and filling direction adaptive path planning and SLM support-free forming method, which has the following beneficial effects that a low-angle overhanging region is separated based on a region division algorithm, a scanning vector is controlled by a contour on the basis of contour features of complex structure features and an overhanging direction recognition algorithm, and the accuracy of the contour and filling direction adaptive path planning and SLM support-free forming method is improved. The expansion direction of the lower surface area is a filling direction, and adaptively generating a scanning path and the filling direction; different from a conventional path filling strategy, the method can meet the complex structure characteristics of a curved surface, a round hole, rotation, a special-shaped runner, a curved surface and the like, and the scanning line vector and the filling direction of a lower surface area adapt to the structure contour characteristics, so that the influence of the placing position and the scraper direction on the forming thermal strain accumulation and the lower surface forming quality is reduced; according to the method, the high-quality and stable forming requirements of the low-angle feature of 30 degrees or below of existing mainstream metal materials can be met, and the data processing time cost, the powder material consumption and the post-processing time in the whole forming process are effectively reduced.

The invention provides a laser radar and IMU (inertial measurement unit)-based continuous dynamic monitoring system and method for the volume of discharged slag in a tunnel, and the method comprises the steps: obtaining three-dimensional laser point cloud data of slag flow under high-speed operation of a belt conveyor through a high-frequency laser radar, a process sensor and a speed measurement sensor, and introducing an IMU (inertial measurement unit) which is rigidly and fixedly connected with the radar; and motion compensation is carried out on point cloud distortion and jitter caused by equipment vibration and belt jumping. In the aspect of data processing, after preprocessing of filtering, abnormal value elimination, smoothing and the like, a muck flow contour automatic extraction method is provided by analyzing spatial morphological characteristics of point cloud on a scanning line, and an instantaneous flow and accumulated volume calculation mathematical model based on surface element integration is established on the basis of stable point cloud corrected by an IMU (Inertial Measurement Unit). The method has the advantages that high measurement precision and repeatability can still be kept under the working conditions of high belt speed and strong vibration, and reliable technical support is provided for continuous dynamic monitoring of the deslagging volume in tunnel construction.

An unmanned aerial vehicle (20) for inspecting linear infrastructure (60, 61) is described.The unmanned aerial vehicle (20) comprises: a camera (23), a gimbal (24) carrying the camera (23), a light detection and ranging (Lidar) system configured to scan linear infrastructure and generate 3D point cloud data, and a processing device configured to receive the 3D point cloud data from the Lidar system, analyze the 3D point cloud data to detect features of interest on the linear infrastructure, calculate, based on the detected features of interest, camera angles and / or distances to the features of interest, and generate, based on the calculated camera angles and / or distances to the features of interest, commands for the gimbal (24), wherein the gimbal (24) is configured to change the orientation of the camera (23) based on the commands of the processing device (26).

A scan driver of the disclosure includes a plurality of stage groups configured to supply scan signals to scan lines based on clock signals, carry clock signals, and first and second powers. A first stage group of the stage groups includes a first stage configured to supply a first scan signal to a first scan line based on an input signal, a first clock signal of the clock signals, a first carry clock signal of the carry clock signals, and the first and second powers, and a second stage configured to supply a second scan signal to a second scan line based on the input signal, a second clock signal of the clock signals, a second carry clock signal of the carry clock signals, and the first and second powers. The first stage and the second stage are commonly connected to a first node and a second node.

To provide a display apparatus that can sufficiently secure a time for writing a video signal to pixels and does not increase the number of signal lines.SOLUTION: A display apparatus includes: a plurality of scanning lines; a plurality of signal lines arranged in groups of three; and a plurality of pixels provided at intersections of the plurality of scanning lines and the plurality of signal lines. One signal line among the signal lines arranged in groups of three is connected to pixels of a predetermined row, and the other two signal lines among the signal lines arranged in groups of three are connected to pixels in two different rows that are in the same column as the pixels of the predetermined row.SELECTED DRAWING: Figure 11

Display device (10) with a substrate (12) and a display area (30) arranged on the substrate (12), wherein the display area (30) comprises a plurality of pixels (32) arranged in a two-dimensional array, wherein the display device (10) comprises the following: a first control loop (40) arranged on the substrate (12), wherein the first control loop (40) comprises a plurality of first input signal lines (XSR control signal, 42, 44, 45), (Idata, 46), (Yck, 48), a plurality of first electronic components (XSR(1), XSR(2), ..., 52), (Latch(R1), Latch(G1), ..., 62), (S1, S2) and a plurality of data lines (DR1, DG1, ..., 64), wherein the data lines (DR1, DG1, ..., 64) are arranged to provide image data for the pixels (32), wherein the first electronic components (XSR(1), XSR(2), ..., 52), (Latch(R1), Latch(G1), ..., 62), (S1, S2) are configured to receive data signals from the first input signal lines specifying the image data; a second control loop arranged on the substrate (12), wherein the second control loop (70) comprises a plurality of second input signal lines (YSR control signal), a plurality of second electronic components (YSR(1), YSR(2), ..., 82) and a plurality of sampling lines (P1, P2, ...), wherein the sampling lines (P1, P2, ...) are arranged to provide timing control signals for the pixels (32), and wherein the second electronic components (YSR(1), YSR(2), ..., 82) are configured to receive timing pulses from the second input signal lines specifying the timing control signals; and a connecting cable (20) comprising a plurality of first connecting lines (24) and a plurality of second connecting lines (24), wherein the first input signal lines (42, 44, 45), (Idata, 46), (Yck, 48) are electrically connected to the first connecting lines (24) to receive the data signals, and the second input signal lines (YSR control signal) are electrically connected to the second connecting lines (24) to receive the time pulses, and wherein the data signals are digital signals, wherein the digital signals have an amplitude range, wherein the connecting cable (20) is further configured to provide reference signals for controlling the image data in the first control circuit (40) and for controlling the timing control signals in the second control circuit (70), wherein the reference signals have a signal voltage range, wherein the amplitude range of the digital signals is greater than the signal voltage range of the reference signals.

The application discloses a layout via merging method and device, computer equipment and storage medium. The method comprises: traversing the via in the layout to extract the geometric coordinates of the outer bounding box of each via; based on the extracted coordinates, scanning in the vertical direction by the scan line method to merge the vias with a spacing less than a preset merging distance, generating one or more vertically extended first merging rectangles, and scanning in the horizontal direction by the scan line method to merge the vias with a spacing less than a preset merging distance, generating one or more horizontally extended second merging rectangles; based on the spatial relationship of the rectangles in the group, extracting the boundary edges constituting the merged graphics; based on the boundary edges, constructing the connection relationship to obtain the inner and outer contours; and based on the inner and outer contours, generating the via merging graphics. The embodiments of the application avoid complex geometric graphics Boolean operation and accurately identify the gap of the via, and support the via merging of the advanced packaging layout.

The invention discloses a microwave radiometer stripe elimination preprocessing method based on moving median smoothing, and the method comprises the following steps: 1, carrying out the circular scanning through a microwave radiometer, and obtaining a heat source count value Cw, a cold source count value Cc, an observation target count value Ce, a heat source brightness temperature Tw, and a cold source brightness temperature Tc; step 2, performing noise smoothing on moving medians between scanning lines on the heat source observation count value Cw and the cold source count value Cc to obtain a smoothed heat source observation count value and a smoothed cold source count value; and step 3, performing two-point calibration by using the heat source brightness temperature Tw and the cold source brightness temperature Tc obtained in the step 1 and the smoothed heat source observation count value and the smoothed cold source count value obtained in the step 2 to obtain the stripe-eliminated observation target brightness temperature Te. The method provided by the invention can effectively solve the problem of influence of stripe noise on the data quality of the microwave radiometer in the existing stripe elimination method.

The embodiment of the invention discloses a display panel and a display device, the display panel comprises a plurality of data lines, a plurality of scanning lines and a plurality of pixel units arranged in an array, and the pixel units are used for receiving scanning signals from the scanning lines, receiving data signals from the data lines under the control of the scanning signals and executing image display according to the data signals. Each pixel unit comprises a driving module, an adjusting module, a light-emitting module and a preset node, the driving module is electrically connected to the adjusting module, the light-emitting module and the preset node, the preset node is further electrically connected to the adjusting module, and the adjusting module is used for receiving power voltage to charge the preset node to a preset potential. The threshold voltage of a driving switch tube in the driving module is adjusted to a preset value, so that the problem of different luminance caused by different threshold voltages between adjacent pixels is eliminated, and the image display effect is effectively improved.

The application provides an array substrate and an electronic paper display device, and relates to the field of display. The array substrate comprises a substrate, a plurality of scan lines and a plurality of data lines are arranged on the substrate, the plurality of scan lines and the plurality of data lines cross and form a plurality of pixel units, and the pixel unit comprises a pixel electrode and a first thin film transistor. The pixel electrode is arranged opposite to the substrate. The first thin film transistor comprises a gate, a semiconductor layer, a source and a drain. The gate is connected with the scan line, the source is connected with the data line, the drain is electrically connected with the source, the gate comprises a top gate, a bottom gate and a connecting layer, the top gate and the bottom gate are arranged on opposite sides of the semiconductor layer in the thickness direction of the array substrate, and the top gate and the bottom gate are electrically connected through the connecting layer. The application can effectively improve the working stability of the electronic paper display device.

The invention discloses a display module and a display device, a display panel comprises a gate drive circuit, a plurality of scanning lines and a plurality of switching circuits, the output ends of odd-numbered gate drive units are connected with the first ends of the switching circuits, and the output ends of even-numbered gate drive units are connected with the second ends of the switching circuits. The control end of the switching circuit is configured to access a control signal. In the first display mode, the switching circuit is in a conducting state, and two adjacent scanning lines are connected to the same scanning signal output by the odd-numbered-stage gate driving unit or the even-numbered-stage gate driving unit. When the display device is in the first display mode, in the same picture frame, only one of the odd-level gate driving units and the even-level gate driving units outputs scanning signals, and the other one is idle and does not work, so that the risk of too fast temperature rise of the device can be reduced.

This invention discloses a connectivity extraction method and system incorporating a dynamic parallel strategy. The method includes the following steps: extracting the target GDSII file and generating polygon edge sets as intermediate data structures; partitioning the layout, dividing the edge sets into partitioned layout sub-units; dynamically selecting a parallel strategy based on the edge set size of each layout sub-unit; executing a serial scanline algorithm and a thread-level parallel scanline algorithm based on the selection result; and constructing and updating the connectivity graph. This invention can handle connectivity extraction problems in layout and schematic consistency and electrical rule checks, fully utilizing hardware resources and reducing labor and time costs.

The application discloses a pixel circuit, a driving method thereof and a display panel. The pixel circuit comprises a driving module, a data writing module and a compensation module. The compensation module is connected between the second end and the control end of the driving module. The control end of the compensation module is connected with a first scan line. The compensation module is used for adjusting the threshold voltage characteristic of itself in response to a first scan signal on the first scan line at least in a compensation stage. The scheme can reduce or eliminate the drift degree of the threshold voltage of the compensation module, improve the leakage phenomenon of the compensation module, and further improve the problems of brightness reduction and display residual image caused by the threshold voltage drift of the compensation module in the pixel circuit before the product is shipped.

To provide a display device capable of improving display quality.SOLUTION: According to an embodiment, a display device includes a display panel including a polymer-dispersed liquid crystal including a polymer and a liquid crystal molecule in a display region for displaying an image, and a light source unit disposed along an edge portion of the display panel, wherein the display panel includes a scanning line, a signal line intersecting the scanning line, a switching element electrically connected to the scanning line and the signal line, a pixel electrode electrically connected to the switching element, and an insulating layer formed in a lattice shape overlapping the scanning line, the signal line, and the switching element, the insulating layer has a first side surface facing the light source unit and a second side surface opposite to the first side surface, and the first side surface has a plurality of inclined surfaces inclined at different angles.SELECTED DRAWING: Figure 5

The application relates to a display panel, a preparation method thereof and a display device. The display panel comprises a substrate, an isolation structure, a plurality of light emitting devices, a plurality of first touch electrodes, a plurality of scan lines and a wiring structure on one side of the substrate. The isolation structure comprises a plurality of isolation openings and a plurality of touch openings. The plurality of light emitting devices are arranged in the plurality of isolation openings correspondingly. The plurality of first touch electrodes are arranged in the plurality of touch openings correspondingly. The plurality of scan lines are arranged in a first direction at intervals. Each scan line extends in a second direction. The first direction and the second direction intersect. The wiring structure is connected with a first power supply potential. The wiring structure comprises a plurality of first wires arranged in the first direction at intervals. A film layer where the plurality of first wires are located is between a film layer where the plurality of scan lines are located and a film layer where the first touch electrodes are located. The display panel performance can be improved by adopting the scheme.

This invention discloses a detection method, system, and medium based on line spectral confocalization. The method includes: determining the number of peaks; if the number of peaks is one, adjusting the light intensity value corresponding to the peak wavelength to be within the light intensity working range; if the number of peaks is not less than two, extracting the light intensity value corresponding to the peak wavelength, analyzing the peak morphology, and identifying the peak wavelength associated with each reflection region; analyzing the offset of the height of the specular reflection region, correcting the detection height of the specular reflection region to obtain the height difference between the reflection regions covered within the width of the line spot at any position on the scanning line; and adjusting the distance of the sensor relative to the surface of the object under test according to the height difference, so that there is one and only one valid peak in the spectral image at any position on the scanning line. This invention can accurately calculate the height difference between the specular reflection region and the diffuse reflection region covered within the width of the line spot, improving the signal-to-noise ratio of the spectral image and expanding the application scenarios.