53 results about "Horizontal resolution" patented technology

The invention relates to the technical field of weather forecast information processing, in particular to an unmanned aerial vehicle low-altitude weather precise simulation and guarantee system of a self-adaptive mobile grid. The system comprises a WPR mode region design module and a prediction mode planning module. According to the invention, the WPR mode region design module is combined with the preset flight route of the unmanned aerial vehicle, WRF mode region grids at different time intervals are designed, and the prediction mode planning module is configured through the region high-resolution numerical weather forecast system. According to the method, a physical parameterization scheme and mode vertical encryption layering adaptive to a preset flight route of the unmanned aerial vehicle are selected, for short-time approaching weather forecast early warning, the forecast range is narrowed, the grid horizontal resolution is improved, an inner-layer nested grid domain is moved at each time, an area outside the flight route does not need to be simulated and forecasted, and the forecasting efficiency is improved. The integral operation time is greatly reduced, and various weather conditions on the air route of the low-altitude airspace aircraft can be effectively forecasted.

This disclosure provides microscope-based systems and methods that significantly improve image contrast and have better vertical / horizontal resolution. This disclosure uses confocal microscopy in replacement of conventional fluorescent microscopy, for example, adding a spinning disk or a confocal microscopy scanning unit on the prior invention. Using a spinning disk vastly improves the speed of image acquisition (allowing for imaging of fast dynamic processes and live specimens), and considerably reduces photo damage. Disclosed herein are some embodiments to demonstrate how to set up the spinning disk microscopy system for image-guided illumination and photolabeling.

The present invention relates to a calibration measurement method and system based on pixel mapping. The method comprises: providing a camera for measurement, and performing pixel mapping-based calibration on the camera, wherein, during calibration, a pixel position-horizontal resolution mapping relationship of the camera is established, and a pixel horizontal offset fitting line of the image captured by the camera is determined; when measuring an object based on the calibrated camera, at the current pixel coordinates of the object image, the spatial height of the object and the corresponding width change in the horizontal direction of the image are determined based on the camera's pixel position-horizontal resolution mapping relationship and the pixel horizontal offset fitting line; based on the determined spatial height of the object and the corresponding width change in the horizontal direction of the image, single-frame contour information is spliced along the object scanning direction and step size to output a three-dimensional point cloud of the object. The present invention can achieve rapid calibration of the camera, and when measuring with the calibrated camera, a high-precision three-dimensional point cloud can be output.

A display apparatus includes a display panel configured to display an image, a gate driver configured to supply gate signals to the display panel, a timing controller configured to control an output pattern of the gate driver so that the gate signals are applied one by one per one gate line or are applied one by one per two gate lines, based on an image input from the outside, and a resolution resizer configured to change at least one of a horizontal resolution and a vertical resolution, based on the image input from the outside.

The invention discloses a method and a device for testing the horizontal resolution of a mining camera, and belongs to the technical field of camera performance evaluation and test.The testing method comprises the following steps: electrically starting, and aligning a to-be-tested mining camera with a test graphic card in a camera obscura; configuring automatic testing software, and starting testing after configuration is completed; adjusting the brightness of the light source to enable the illuminance in the camera obscura to reach a specified value, and monitoring the illuminance by using an illuminance sensor; the mine camera is started, the tested mine camera is focused on the test graphic card, and the camera shoots and collects an image of the test graphic card after focusing is completed; analyzing and processing the acquired image, and calculating to obtain a horizontal decomposition force of the camera under a specified illumination condition; and repeatedly adjusting the brightness of the light source, obtaining and analyzing a complete data set, and outputting a test report. The device is suitable for testing the horizontal decomposition force of the mining camera in the low-illumination environment, can accurately measure the horizontal decomposition force of the camera in the actual use environment of a mine, and makes up for the defects in the prior art.

The invention relates to a laser radar position determination method and device, equipment, a medium and a product. The method comprises the following steps: acquiring vehicle state information, radar state information and preset obstacle information, wherein the radar state information comprises radar position information, a horizontal resolution vector and a vertical resolution vector; determining a scanning area matrix corresponding to the laser radar according to the vehicle state information, the horizontal resolution vector and the vertical resolution vector; obtaining a detection result according to the scanning area matrix and the obstacle information; and under the condition that the detection result meets a preset position condition, taking the radar position information as target position information. By adopting the method, the accuracy of the laser radar position determination method can be improved.

The application relates to a moving target constant resolution ISAR imaging method and device based on track information. The method comprises the following steps: obtaining a speed vector of a moving target by processing track information, inputting the speed vector into a pre-constructed extended Kalman filter to obtain an attitude angle of the moving target at each time, converting the attitude angle of the moving target in a three-dimensional space into an actual rotation angle in two-dimensional imaging through a rotation matrix, obtaining an effective rotation angle according to the actual rotation angle, accumulating the effective rotation angles of continuous multiple time points until the accumulated angle meets a preset horizontal resolution threshold, taking the time corresponding to the accumulated angle as an imaging window length, accumulating the effective rotation angles according to the preset horizontal resolution threshold, obtaining multiple imaging window lengths, obtaining multiple target images, and realizing imaging of the moving target. The method has noise stability in the imaging process of the target, and further improves the target imaging quality.

This application relates to the field of optical technology and discloses an optical component. A beam splitter assembly intersects with a first optical path. The beam splitter assembly includes a first beam splitter and a second beam splitter. The first beam splitter intersects with a first beam to transmit a first split beam from the first beam. The second beam splitter intersects with a second beam to transmit a second split beam from the second beam. An optical modulator intersects with the first and second beam splitters to modulate their phase. Lens assemblies are respectively disposed on a second and a third optical path to amplify and rotate the first split beam before projecting it onto a first region to form a first pattern. Lens assemblies amplify and rotate the second split beam before projecting it onto a second region to form a second pattern. The horizontal resolution of the first and second patterns is greater than their vertical resolution. The first and second patterns combine to form an elongated image. This provides an optical component and a head-up display system for improving horizontal resolution and image size.

Embodiments of this application disclose an image rendering method, apparatus, and electronic device. The method includes: writing an image captured by a target camera into a target rendering texture; obtaining the width and height values ​​of the target rendering texture in three-dimensional space based on the resolution, pixel-per-unit ratio, and scaling factor of the target rendering texture; constructing a cylindrical model based on the width and height values ​​of the target rendering texture in three-dimensional space, and obtaining the horizontal and vertical resolutions corresponding to the cylindrical model; constructing a three-dimensional mesh based on the horizontal and vertical resolutions corresponding to the cylindrical model; and rendering the three-dimensional mesh based on the texture in the target rendering texture. This application combines rendering textures for scene rendering, eliminating the need to draw scene content onto a buffer, thereby reducing an additional texture sampling, simplifying the entire rendering process, and improving rendering quality.

The embodiment of the invention discloses an image rendering method and device and electronic equipment. The method comprises the steps that an image picture collected by a target camera is written into a target rendering texture; obtaining a width value and a height value of the target rendering texture in a three-dimensional space according to the resolution of the target rendering texture, the pixel ratio per unit and the zoom factor; constructing a cylinder model according to the width value and the height value of the target rendering texture in the three-dimensional space, and obtaining the horizontal resolution and the vertical resolution corresponding to the cylinder model; constructing a three-dimensional grid according to the horizontal resolution and the vertical resolution corresponding to the cylinder model; performing image rendering on the three-dimensional grid according to textures in the target rendering textures; according to the method, scene rendering is performed in combination with the rendering texture, and scene content does not need to be drawn on a buffer, so that one-time additional texture sampling is reduced, the whole rendering process is simplified, and meanwhile, the rendering quality can be improved.

The application discloses a kind of based on background point cloud fine processing laser radar and camera joint calibration method, comprising: using laser radar and visible light camera to build experimental device, and construct the optimization equation for solving calibration matrix;The foreground point cloud of the calibration object scanned by laser radar is fitted as a straight line;For the straight line fitted, obtain the background point cloud of laser radar in the same scan line with it;According to horizontal angle, solve the edge point of calibration object;The three-dimensional feature point of calibration object is solved using the obtained edge point;The three-dimensional feature point obtained and the corresponding two-dimensional feature point obtained by visible light camera are brought into optimization equation to solve calibration matrix.The application can obtain the edge point of calibration object scanned by laser radar with high precision and solve accurate three-dimensional feature point, avoid the problem of insufficient feature point accuracy caused by low horizontal resolution of laser radar, thereby improve joint calibration accuracy.

The present invention belongs to the field of numerical forecasting technology, and discloses a GRAPES-REPS regional ensemble forecasting method and system. The GRAPES-REPS regional ensemble forecasting method includes: 0.1 degree horizontal resolution GRAEPS-REPS ensemble forecasting test parameters and model determination; GRAPES-REPS lateral boundary perturbation construction; China GRAPES-REPS regional ensemble forecasting business system construction. The present invention improves the ETKF initial value perturbation scheme and optimizes the boundary perturbation uncertainty scheme, improves the forecasting system discreteness and regional ensemble forecasting system performance, thereby meeting the business application requirements of China's regional ensemble forecasting system, and targetedly produces and provides weather forecasting services. The present invention provides 1h interval ensemble forecasting products of different levels and different forecasting time effectiveness for meteorological stations at all levels in China, provides guidance and reference for weather forecasting, and facilitates model developers to improve the performance of ensemble forecasting systems.

The present invention relates to a cloud computing service system using a uniform jump frame selection mode, comprising: a cloud computing server, used to use multiple encoded images before an image to be inter-frame encoded as multiple frames to be selected for the inter-frame encoded image, the number of the multiple encoded images being equal to a targeted search number; and a coding processing device, used to select a frame to be selected that has a signal-to-noise ratio closest to the signal-to-noise ratio of the image to be inter-frame encoded as a reference frame for performing inter-frame encoding on the image to be inter-frame encoded. Through the present invention, in an inter-frame encoding mechanism based on cloud computing, the search number of reference frames selected for inter-frame encoding can be determined based on the horizontal resolution of the video content of the image to be inter-frame encoded and the vertical resolution of the video content, and the multiple encoded images corresponding to the search number before the image to be inter-frame encoded are used as multiple frames to be selected for the inter-frame encoded image by using a uniform jump frame selection method, thereby improving the encoding effect of the inter-frame encoding processing.

The object image value for each location in the ultrasonic reflectance image is calculated by summing the image values ​​from images associated with selected intersections in different rows and columns within the array of ultrasonic transducers. The image value for each of these intersections is determined by transmitting an ultrasonic transmission signal from the ultrasonic transducer to a first subsampled selection of first sampling locations along the column of intersections, and at least partially simultaneously receiving reflections from a second subsampled selection of second sampling locations along the row of intersections. The image values ​​for different locations are calculated by combining the vertical resolution from the subsampled transmitted ultrasonic signal and the horizontal resolution from the subsampled received ultrasonic signal. The range of subsampling locations for each intersection has a large overlap with the subsampling range for adjacent intersections, and the subsampling locations for different intersections exist at least partially scattered amongst each other within that overlap. The extension of subsampling locations across a large overlapping range ensures high resolution in the intersection image, and the use of different sampling points within that overlap reduces artifacts in the summed image.

The application discloses a kind of long-term characteristics acquisition methods of meteorological elements of low-altitude different height layer with ten-meter spatial resolution, belong to the meteorological environment evaluation field of low-altitude aircraft route. Steps are as follows: S1, obtain the long-term historical meteorological three-dimensional data of the low-altitude route area covered in the RuiTu forecasting system;S2, convert the terrain and building white film data into the shape of the underlying surface under the model, generate the grid of the calculation domain;S3, coupling forms RuiTu-PALM system;S4, using RuiTu-PALM system, carry out long-term three-dimensional numerical simulation of ten-meter precision historical meteorological elements, obtain low-altitude meteorological multi-year calculation data of different vertical height layers with ten-meter horizontal resolution;S5, enhance the meteorological characteristics, establish ten-meter precision low-altitude meteorological multi-year enhancement database.The application can achieve ten-meter high spatial resolution, and has long-term representativeness and universality, and can be used to guide the planning and optimization of various low-altitude aircraft routes.

A projection system is provided. The projection system includes at least one micro LED line and a scan optical system. The micro LED line is configured for emitting lights with a changing frequency of X times per second. The scan optical system is disposed at a downstream side of the at least one micro LED line. The scan optical system is configured to scan the lights emitted from the micro LED line with a scan rate of M seconds per scan and to project images formed of the lights to corresponding positions on a target projection plane. The projection system has a horizontal resolution of N lines. A total number n of the at least one micro LED line is smaller than N. Also, X=M*(N / n).

The present application proposes a display panel driving method and circuit, and a display device, wherein the display panel driving method switches to a first working mode when a mode selection signal is enabled. In the first working mode, in a first time period of each frame, the odd-numbered column output terminal of the source driving circuit outputs a data signal to each data line of the display panel, and then, in a second time period of each frame, the even-numbered column output terminal of the source driving circuit outputs a data signal to each data line of the display panel to display two different pictures. In the first working mode, the horizontal resolution is halved, the refresh rate is doubled, and the charging rate of each row of pixel units is the same to ensure the stability of the pixel units.

A display apparatus, a control method, an electronic device, and a computer-readable storage medium. The display apparatus (300) comprises a display substrate (310) and a source driver (320). The display substrate (310) comprises a plurality of data signal lines. The source driver (320) comprises a first cache module (322), a second cache module (324), an operation conversion module (323), and an output module. The first cache module (322) comprises M first cache units used for caching N pieces of initial data at intervals; the second cache module (324) comprises M second cache units; the operation conversion module (323) is configured to send P pieces of initial data to P corresponding second cache units (324) on the basis of a control signal, performs calculation on the basis of Q pieces of initial data to obtain (M-P) pieces of interpolation data, and send the (M-P) pieces of interpolation data to (M-P) second cache units (324) other than the P second cache units (324); and the output module is configured to output to the plurality of data signal lines M pieces of data cached by M second cache units (324). The display apparatus can achieve horizontal resolution expansion of a dual-gate pixel architecture.

A control device includes a storage module and a control module. The storage module includes a plurality of registers. The control module sets the buffer width of the registers, the used number of the registers and the occupied number that a horizontal line signal occupies the registers according to the horizontal resolution. The control module receives the horizontal line signal. The control module assigns a plurality of pixels of the horizontal line signal to the registers. The control module sequentially outputs pixels of the horizontal line signal from the registers.

The invention provides an all-round dynamic holographic three-dimensional display system, which comprises a light source module used for generating red, green and blue three-color high-coherence parallel light; the color imaging device is used for respectively loading red, green and blue three-color holograms and generating reproduction light; the combined prism is used for realizing beam splitting of the illumination light and beam combination of the reproduction light; the filtering and amplifying module is used for performing single side band filtering on the reproduced light to remove zero-order light, a conjugate image and high-order diffraction order, and amplifying and imaging a hologram in the air to form a display screen; the rotary scanning module comprises a hollow or coaxial rotating motor and a scanning structure composed of a lens and a reflecting mirror, and is used for emitting light emitted by the display screen at an inclined angle and realizing 360-degree conical scanning in the horizontal direction and seamless splicing of the window through high-speed rotation; the directional holographic scattering film is arranged in the real image reconstruction area, only provides a scattering angle in the vertical direction, and is used for expanding a vertical visual angle without influencing the horizontal resolution; the synchronous control module is used for synchronously controlling the refresh rate of the color imaging device and the rotating speed of the motor; and the three-dimensional data processing module is used for generating and transmitting a holographic video sequence. The system can realize color dynamic three-dimensional display with 800 windows, 0.45-degree visual angle resolution and more than 24 frames per second, has the capabilities of aerial suspension imaging, no visual angle shielding, smooth motion parallax and multi-user naked eye viewing, and remarkably improves the immersion and practicability.

A projection system is provided. The projection system includes at least one micro LED line and a scan optical system. The micro LED line is configured for emitting lights with a changing frequency of X times per second. The scan optical system is disposed at a downstream side of the at least one micro LED line. The scan optical system is configured to scan the lights emitted from the micro LED line with a scan rate of M seconds per scan and to project images formed of the lights to corresponding positions on a target projection plane. The projection system has a horizontal resolution of N lines. A total number n of the at least one micro LED line is smaller than N. Also, X=M*(N / n).

The embodiment of the present invention provides a radar antenna, a radar device and a movable platform, which relate to the field of radar technology. The radar antenna includes a plurality of first transmitting antenna units and a plurality of first receiving antenna units, wherein the plurality of first transmitting antenna units are spaced apart along a first preset direction, and the plurality of first receiving antenna units are spaced apart along a second preset direction, wherein the first preset direction and the second preset direction are both arranged at an acute angle to the horizontal direction. The radar antenna, the radar device and the movable platform can obtain a higher horizontal resolution and a higher vertical resolution by changing the layout structure of the plurality of first transmitting antenna units and the plurality of first receiving antenna units, thereby effectively reducing the production cost, being conducive to miniaturization production and improving production efficiency.

The present invention discloses a method, system and storage medium for constructing a three-dimensional real-time analysis field, which relates to the technical field of meteorological analysis. The method includes: obtaining three-dimensional forecast field data of a target area, and obtaining background field data with a target horizontal resolution after downscaling the three-dimensional forecast field; receiving multi-source observation data, which includes conventional observation data and remote sensing data; fusing the multi-source observation data into the high-resolution background field data to correct the background field and perform cloud analysis, so as to obtain a high-resolution three-dimensional real-time analysis field; wherein, the conventional meteorological element observations are assimilated into the background field by using the successive correction method to correct the model background field, and the complex cloud analysis method is used in combination with radar reflectivity observations to perform water substance phase analysis and adjust the temperature and humidity fields inside the clouds. The real-time analysis field constructed by the present invention has high resolution and high accuracy, and improves the accuracy of real-time analysis.

The invention provides an image processing method, device and system. The method is applied to the image processing equipment, the image processing equipment comprises a first processor and a second processor, and the first processor is provided with a display interface; the method comprises the steps that a first processor writes a first image to be displayed into a frame buffer area, the resolution of the frame buffer area is matched with the resolution of the first image, the horizontal resolution of the first image is larger than the maximum horizontal resolution supported by a display interface, and / or the vertical resolution of the first image is larger than the maximum vertical resolution supported by the display interface; the first processor controls the display interface to output a second image to the second processor according to the first image in the frame buffer area, the horizontal resolution of the second image is smaller than or equal to the maximum horizontal resolution supported by the display interface, and the vertical resolution of the second image is smaller than or equal to the maximum vertical resolution supported by the display interface; the second processor transmits image data to the display device according to the second image, so that the display device displays the first image. According to the technical scheme, the image processing efficiency of the image processing equipment can be improved.

A method for image scaling with arbitrary magnification includes: (A) calculating a horizontal resolution difference and a vertical resolution difference; (B) calculating a horizontal division substitution value and a vertical division substitution value; (C) generating a column index value and a horizontal difference value of a lower right pixel of a corresponding original image based on the horizontal resolution difference for the column index value of the pixel of the target image; (D) generating a row index value and a vertical difference value of a lower right pixel of the corresponding original image based on the vertical resolution difference for the row index value of the pixel of the target image, thereby obtaining that the pixel of the target image corresponding to the original image is located between an upper left pixel, an upper right pixel, a lower left pixel, and the lower right pixel of the original image; and (E) using interpolation and right shift operations to bilinearly interpolate the pixel values of four pixels of the original image based on the horizontal division substitution value, the vertical division substitution value, the horizontal difference, and the vertical difference, thereby obtaining the pixel value of the pixel of the target image.

The invention discloses a coaxial multidirectional picture video output method for an ultra-high-definition camera, and the method comprises the steps: obtaining video data in real time through employing an image sensor of which the ratio of the horizontal resolution to the vertical resolution is 1: 1, and guaranteeing the output of a horizontal screen picture and a vertical screen picture of the maximum picture; equally dividing the real-time video data according to a frame sequence to generate odd frame data and even frame data; image processing including Bell interpolation, black level correction, noise reduction, distortion correction, color correction and the like is carried out on the odd frame data and the even frame data respectively, and then the processed data are coded to obtain corresponding vertical screen proportion data and horizontal screen proportion data. According to the invention, a path of full-resolution image data can be converted into a path of vertical screen proportion data and a path of horizontal screen proportion data. The method can be widely applied to the field of image processing.

A display device of the present disclosure may comprise: a system on chip (SOC) including an image processing processor for generating an image of a first resolution by processing an input image; a second scaler for performing up-scaling on the image; and a display. The display device can generate, by using the system-on-chip, an image having a first resolution with respect to a first input image, and then increase, by using a first scaler of the system-on-chip, the size of the image in the vertical direction by a vertical resolution value difference between the first resolution and a second resolution, increase, by using a second scaler, the size of the image in the horizontal direction by a horizontal resolution value difference between the first resolution and the second resolution with respect to the first input image, and output, through the display, the first input image converted to have a second resolution size.

The invention relates to a processing circuit and method for RAW data based on an MIPI CSI2 protocol. The processing circuit comprises a RAW type video effective pixel data extraction unit, a horizontal direction resolution extraction and shaping unit, an effective pixel data splicing and combining unit, a double-buffer control unit and an AXI bus write interface, RAW data are respectively accessed to the RAW type video effective pixel data extraction unit and the horizontal direction resolution extraction and shaping unit, and the RAW data are respectively accessed to the effective pixel data splicing and combining unit and the AXI bus write interface. The RAW type video effective pixel data extraction unit and the horizontal direction resolution extraction shaping unit are respectively connected to the effective pixel data splicing combination unit, and the effective pixel data splicing combination unit is sequentially connected to the double-buffer control unit and the AXI bus write interface. According to the method, the functions of RAW type video effective pixel data extraction, horizontal direction resolution extraction and shaping, effective pixel data splicing and combination, double-buffer control, AXI bus interface writing and the like are integrated, and the method has rapid pipeline processing performance.

Object image values for each position in the image of ultrasound reflectivity are computed by summing image values from images associated with selected cross-points of different rows and columns in an array of ultrasound transducers. The image value for each of these cross points is determined by transmitting ultrasound transmission signals from the ultrasound transducers at a subsampled first selection of first sampling locations along the column of the cross point and receiving reflections at least partly simultaneously from a subsampled second selection of second sampling locations along the row of the cross point. The image values for different locations are computed by synthesizing vertical resolution from the ultrasound sub-sampled transmission signals and horizontal resolution from the sub-sampled received signals. The ranges of sub-sampling locations for each cross point have large overlap with the sub-sampling ranges of for neighboring cross points, with the sub-sampling locations for different cross-points lying at least partly interspersed between each other in the overlap. The extension of sub-sampling locations over large overlapping ranges ensures high resolution in the cross-point images and the use of different sampling points in the overlap reduces artifacts in the summed image.

A system includes an inspection robot comprising a main body and at least one payload; a plurality of arms, where each of the plurality of arms is pivotally mounted to the at least one payload to rotate around respective ones of a plurality of axes while the inspection robot traverses an inspection surface in a direction of travel, and where at least one of the plurality of axes is in the direction of travel; a plurality of sleds mounted to the plurality of arms; a plurality of inspection sensors coupled to the plurality of sleds such that each sensor is operationally couplable to the inspection surface; and where the plurality of sleds are distributed horizontally at adjustable positions spaced apart from each other across the at least one payload to inspect the inspection surface at a selected horizontal resolution.