219 results about "Pixelation" patented technology

Disclosed in the present application are a method and apparatus for quickly evaluating the safety and stability of a power system, and a terminal. The method comprises: pixelating a steady power characteristic variable acquired by means of measurement or generated by means of simulation, so as to generate an offline three-channel pixelated image, and constructing a sample set; using the constructed sample set to train a fusion model based on a deep residual network and a transformer, wherein the trained fusion model is used for quickly evaluating the safety and stability of a power system; and pixelating a steady power characteristic variable measured in real time, so as to generate an online three-channel pixelated image, and using the trained fusion model to process the generated online three-channel pixelated image, so as to generate a transient stability state evaluation conclusion for the power system. Thus, a fusion model integrating ResNet and a transformer can meet the requirements for the timeliness and accuracy of online safety and stability evaluation of a power system.

An optical system includes a light-receiving plane, a lens group, a pixel-based diaphragm, and a driving unit. The lens group is configured to direct an incident light to the light receiving plane. The pixel-based diaphragm is at an aperture stop of the lens group. The pixel-based diaphragm includes a first substrate coated with pixelated electrodes; a second substrate coated with an electrode; and an active medium layer between the first substrate and the second substrate. The driving unit is electrically coupled with the pixel-based diaphragm and configured to control the pixel-based diaphragm to have a first light transmitting pattern at a first time duration and a second light transmitting pattern at a second time duration, wherein the first light transmitting pattern is different from the second light transmitting pattern.

The invention discloses a design method of a double-layer metasurface wave absorber, the double-layer metasurface wave absorber comprises a pixelated unit located on the upper layer and a regular topological pattern structure located on the lower layer, and the method comprises the following steps: dispersing a resistive film-air structure of the pattern layer of the pixelated unit into a pixelated structure image, and representing the pixelated structure image by using a 0-1 matrix; generating a plurality of groups of 0-1 matrixes, constructing a pixelated unit, and obtaining a reflection coefficient curve; combining the target reflection coefficient curve and multiple groups of random noise into combined vectors, inputting the combined vectors into a generator, generating multiple target pixelated structure images, and obtaining multiple target pixelated units; determining design parameters of a resonance pattern layer, inputting the target reflection coefficient curve into a DNN neural network, outputting target design parameters, and obtaining a target regular topological pattern structure; and combining the target pixelated unit with the target regular topological pattern structure to obtain the target double-layer metasurface wave absorber. According to the method, rapid design of the double-layer metasurface wave absorber can be completed.

The invention relates to a recoverable visual encryption method for a human body privacy area in an image collected by an unmanned aerial vehicle. The method comprises the following steps: constructing a joint deep learning model integrating a pre-training target detection module, a self-adaptive visual encryption module and an enhanced visual decryption module; in the training stage, target detection module parameters are frozen, and an encryption and decryption module is optimized end to end through combined loss formed by a composite decryption loss function and an encryption strength loss function; during application, the target detection module accurately locates a human body sensitive area, the encryption module applies size-adaptive and strength-learnable pixelated transformation to generate a natural encryption image, and the decryption module realizes high-fidelity original information recovery through an enhanced U-Net network under an authorization condition. Compared with an existing traditional image encryption or irreversible desensitization technology, the method has the advantages that seamless integration with a mainstream target detection process is achieved, the integrity and restorability of information are guaranteed while high visual concealment is achieved, and the method has the advantages of being intelligent, high in efficiency and high in practicability.

The invention provides a pixelated point cloud completion method and system based on mask attention and style loss fusion, belongs to the technical field of computer vision and three-dimensional reconstruction, and aims to enhance global geometric features and reserve local details by mapping point cloud to a two-dimensional image space. Specifically, a pixelation algorithm is designed, firstly, point cloud is converted into a graph structure, and the graph structure is mapped to a two-dimensional grid through triangulation. Then, a two-dimensional image is generated through an optimization algorithm, the topological structure of the point cloud is reserved, and each point in the point cloud serves as a pixel to be filled into the two-dimensional image to be aligned with the features of the point cloud; in addition, a dynamic generation prompt module and a mask perception attention mechanism are introduced to enhance local details. And finally, generating a complete point cloud from coarse to fine according to the point agent.

A radiation detector unit including an interposer configured to electrically connect a pixelated radiation sensor positioned on a front side of the interposer to an application-specific integrated circuit (ASIC) positioned on a back side of the interposer, where the interposer has at least one feature which equalizes the energy resolution (ER) response of edge and center pixel detectors of the pixelated radiation sensor within 10% of one another.

The application belongs to the field of scintillator material preparation, and particularly relates to a manganese-based pixelated scintillator array and a preparation method and application thereof. The (BuTPP)2MnBr4 scintillator material in a molten state is filled into a quartz glass cavity by capillary action, and a glass scintillator matrix is formed by cooling and quenching; then, in-situ crystallization is realized in the glass scintillator by using femtosecond laser direct writing processing, and a pixelated array is precisely constructed. The in-situ crystallization induced by the femtosecond laser significantly improves the photoluminescence intensity and the radiation luminescence intensity of the material, effectively solves the problems of low luminescence efficiency, high pixelation processing difficulty and poor crystallization controllability of the traditional glass scintillator, and the prepared pixelated scintillator array has stable optical performance and clear pixel boundary, is suitable for X-ray imaging, radiation detection and the like, and has simple preparation process and strong controllability of parameters, thereby providing a new implementation method for the preparation of arrayed X-ray scintillators.

The invention provides a phase change display array control structure based on thermal isolation. The phase change display array control structure comprises a phase change display pixel unit, an electric insulation heat conduction layer, a pixelated heating electrode, a thermal through hole structure, a thermal isolation dielectric layer and an addressing cross electrode layer. Non-conduction type thermal excitation is achieved through the electric insulation heat conduction layer, transverse diffusion of heat is limited through the thermal isolation dielectric layer, and thermal crosstalk is reduced. The pixelated heating electrode is combined with the thermal through hole structure and the addressing cross electrode layer to form a longitudinally-conducted addressing control path, and the pixel-level thermal response control precision is optimized; the electric insulation heat conduction layer is made of a high-heat-conductivity material so as to accelerate the crystallization process of the phase change material; and the thermal isolation dielectric layer is made of a low-thermal-conductivity insulating material and is used for improving the pixel resolution capability. The liquid crystal display device is compact in structure, efficient in performance and suitable for being applied to high-resolution, low-power-consumption and fast-response phase change display devices.

The invention discloses an airborne three-dimensional graphic engine display optimization method based on particle filter optimization, and relates to the technical field of airborne avionics graphics. According to the method, optimization strategies such as a particle filtering optimization technology, a three-dimensional pixelating technology, dynamic scene management, resource optimization management, hardware acceleration, an asynchronous shader technology and optimization renderer design are introduced, so that the rendering efficiency, the display quality and the resource utilization rate of the graphics engine are remarkably improved, and the rendering efficiency of the graphics engine can be greatly improved in a resource limited environment. And high-precision and low-delay three-dimensional graphic rendering is realized, the requirement of the aircraft on real-time display is met, and the method has important application value and popularization prospect.

The invention relates to path-based contour extraction for metrology. Embodiments described herein relate to a process for image contour extraction. A system may include a memory storing computer executable components and a processor executing the computer executable components. These computer executable components may include: an identification component that identifies a contour line applied between regions of a pixelated image; and a subdivision component that subdivides the contour line into a set of barrier lines based on analysis of contour line pixels of the contour line. In one or more embodiments, the parsing may be based on the number of adjacent pixels following the contour pixels.

The invention relates to a lighting system (1) for a motor vehicle, comprising a light module (2) having selectively controllable light sources (21i,j) to emit a pixelated light beam (HD); a controller (23) arranged to periodically and selectively control each of the light sources according to an instruction to emit a given lighting function by means of a control signal (PWMi,j) determining the light intensity to be emitted by said light source; characterized in that the controller is arranged to periodically control a critical source (21i',j') alternately by means of a first control signal (S1) determining a first light intensity and a second control signal (S2) determining a second light intensity distinct from the first light intensity. Figure to be published with the abbreviation: Fig. 1

The invention relates to a light module (220) comprising a matrix (111) of pixelated light sources, a driver (112) receiving a power voltage (Vp) and providing a driving voltage to each pixelated light source of the matrix (111), a monitoring circuit (113) connected to the driver (112) for monitoring the driver (112) and storing status information into at least one register, said register comprising at least one alarm bit indicating that the driving voltage is out of a correct range. The light module (200) further comprises an analog control circuit (221) connected to the register for receiving the at least one alarm bit and for providing an analog signal (Vreg) having a voltage value representative of the at least one alarm bit on an analog output. The invention also relates to a headlamp module (200) comprising a DC-DC converter (140) and a light module (220) according to the invention.

The application relates to an antenna and an electronic device, the antenna comprising an antenna unit working at a first frequency band, the antenna unit comprising a plurality of radiators arranged in sequence along a first direction, a pixelated region being arranged between adjacent radiators, the pixelated region being used for configuring a current path between the connected radiators, whether a conductor is arranged in different pixels / grids in the pixelated region being encoded and optimized through an algorithm, so that the design and optimization of the antenna are simplified; in addition, a decoupling unit electrically coupled with a feeding point is further arranged, the decoupling unit being used for suppressing the standing wave of the antenna unit working at the first frequency band at a second frequency band, reducing the mutual interference between the antenna unit and an antenna working at the second frequency band, and improving the isolation and communication quality between each other.

Described is a semiconductor processing system including a measurement tool configured to measure warpage characteristics in a semiconductor wafer. The semiconductor processing system further includes a pixelated surface configured to retain the semiconductor wafer, where the pixelated surface approximates the warpage characteristics to conform to the semiconductor wafer. The semiconductor processing system further includes a semiconductor processing tool configured to perform processing on the semiconductor wafer while it is retained on the pixelated surface.

This application relates to the integration of microdevices into a system substrate. In the microdevice integration process, a donor substrate is provided, on which initial fabrication and pixellation steps will be performed to define microdevices, which include a functional layer, such as a light-emitting layer, sandwiched between a top conductive layer and a bottom conductive layer. The microdevices are then transferred to a system substrate for finalization and electronic control integration. The transfer can be facilitated in various ways, including providing a continuous light-emitting functional layer, breakable anchors on the donor substrate, a temporary intermediate substrate that enables thermal transfer techniques, or a temporary intermediate substrate with a breakable substrate bonding layer.

The invention relates to a method that comprises determining (501) a first object detection result. If the first object detection result satisfies each activation condition of a driving assistance function, an activation signal is transmitted (504) to a control device that obtains (506) a light intensity map corresponding to a light pattern and indicative of light intensity values for controlling light elements of a pixelated light source of a light module. The light intensity map is transmitted (507) for projecting (508) a first pixelated light beam according to the light pattern. After projection, a first image representative of the scene is obtained (509) and a depth map is determined (510). A second object detection result is determined (511) from the determined depth map.

A system for controlling a pixelated lighting device (1) is configured to determine a position of a further light source (29) relative to the pixelated lighting device and to obtain original light settings (91-99) for the pixelated lighting device. The pixelated lighting device comprises a plurality of individually addressable lighting segments (11-19) and the original light settings are associated with respective ones of the individually addressable lighting segments. The system is further configured to: obtain further original light settings (89) for the further light source; adjust the original light settings based on the further original light settings and the relative position of the further light source; and control the individually addressable lighting segments to emit light in accordance with the adjusted original light settings.

This disclosure is related to integrating pixelated microdevices into a system substrate to develop a functional system such as display, sensors, and other optoelectronic devices. The process may involve having a structure of release layers in the housing and then using different decoupling mechanisms for release. The release layers are not limited to but can be a combination of chemical or optical or mechanical release layers.

This invention discloses a privacy-preserving smart camera system, comprising: an image sensor for acquiring raw image signals of a scene; a target recognition module, based on a deep learning model, for real-time detection of faces, bodies, or user-specified specific object regions in the scene; a privacy region processing module, for performing at least one privacy protection operation among blurring, pixelation, or occlusion on non-target regions detected by the target recognition module; and a data encryption module, employing an end-to-end encryption algorithm to locally encrypt the privacy-preserving video stream, ensuring data transmission and storage security. This invention, through real-time target recognition at the device side, retains only the target region image needed by the user, while non-target regions undergo irreversible processing using various adjustable privacy methods, eliminating the risk of redundant acquisition and leakage of sensitive information from the source, and solving the problem of uncontrollable image acquisition range in existing cameras.

1. The name of the design product: drainage station gate integrated management graphical user interface for electronic equipment. 2. The use of the design product: an electronic device. 3. The design points of the design product: the content of the graphical user interface. 4. The picture or photo that best indicates the design points: change state diagram 2. 5. The use of the graphical user interface: for drainage station gate management. 6. The human-computer interaction mode of the graphical user interface: the main view is a login interface, after entering the relevant information in the main view, click "login" to enter change state diagram 1; press "Esc" in change state diagram 1 to enter change state diagram 2; click the relevant area marker point in change state diagram 2 to enter change state diagram 3, and pop up the information bar of the specific marker point; click the "monitor" button in change state diagram 3 to enter change state diagram 4; click the "station gate running situation" button in change state diagram 4 to enter change state diagram 5; click the "3D" button in change state diagram 5 to enter change state diagram 6; click the "camera" button in change state diagram 6 to enter change state diagram 7. 7. "xx" in each view represents variable text and / or numbers, and the pixelated area in change state diagram 6 and change state diagram 7 is a variable content screen.

A display includes a pixelated emission surface including a plurality of blue, green and red light emitting pixels having emission peaks at respective blue, green and red peak wavelengths. The display includes a plurality of blue light emitting sources aligned to the plurality of blue, green and red light emitting pixels in a one-to-one correspondence. An optical film is disposed between the emission surface and the plurality of blue light emitting sources. Each region of the optical film that is disposed between a blue light emitting source and the corresponding blue light emitting pixel transmits at least 70% of substantially normally incident light having the blue peak wavelength. Each region of the optical film that is disposed between a blue light emitting source and the corresponding green or red light emitting pixel reflects at least 50% of substantially normally incident light having the blue peak wavelength.

The invention provides a method for automatically generating a pixelated resonant cavity of an oscillator based on knowledge-driven reverse design. The method comprises the following steps: determining a topological region range of VCO resonant cavity design; determining a reverse design target; a priori knowledge driving pixel matrix drawing strategy is established, pixelated inductor topological structure drawing is completed in the topological region based on the drawing strategy, and a primary pixelated inductor topological structure quality factor and a secondary pixelated inductor topological structure quality factor are calculated; according to a reverse design target, searching a Q value of a primary pixelated inductance topological structure from a binary n * n matrix assembly at a given target frequency, and meanwhile, achieving a maximized optimal solution to obtain an optimal pixel topological structure; and constructing the voltage-controlled oscillator in combination with the optimal pixel topological structure. According to the method, batch automatic simulation and optimization of the optimal resonant cavity structure can be realized, and compared with manual design, the time cost is saved, and meanwhile, the performance is further improved.

The invention relates to a method for controlling a vehicle's lighting module. Upon obtaining (400; 401) a first image representing a scene facing the vehicle, a contour detection function (402) is applied to the first image to obtain a contour image. A light intensity map (404) is determined from the contour image. This light intensity map indicates a first light intensity control value for light elements capable of projecting light onto the contours of the scene elements represented by the contour image, and a second light intensity control value for light elements capable of projecting light outside the contours. The determined light intensity map (405) is transmitted to at least one lighting module for projecting a pixelated beam of light onto the scene facing the vehicle. FIG. 4

A method of determining 3D crystallographic orientation on a crystalline surface of a sample. The method includes directing a beam of collimated light at a predetermined angle of incidence, wherein reflections from the crystalline surface are projected onto an image sensing unit positioned in a path of reflected light; obtaining a directional reflectance profile from an image of the reflectance pattern generated by the image sensing unit by pixelising the reflectance pattern into a pixelated-image with a center coinciding an intersection of a specularly reflected light beam and the image sensing unit; and processing the directional reflectance profile based on analyzing reflection intensity data in the pixelated-image of the directional reflectance profile to determine the crystallographic orientation of the crystalline surface. A further method including projecting the reflections onto a detector screen and capturing an image of the reflectance pattern on the detector screen.

Disclosed herein are systems and methods for creating virtual yield maps. A computing device collects one or more images from one or more satellites, the one or more images capturing at least a crop-containing plot, topography information for the crop-containing plot from one or more topographical sensors, and weather-related data for an area including the crop-containing plot. The computing device creates, based at least in part on information associated with the one or more images, a spectral index map. The computing device generates pixelized information for the crop-containing plot comprising a plurality of pixels representative of an equal portion of the crop-containing plot and includes a normalized value representative of crop yield for each respective pixel of the plurality of pixels based at least in part on the spectral index map, the topography information, and the weather-related data. The computing device creates a virtual yield map from the pixelized information.

The invention relates to the technical field of computer graphics, and provides a pixelated effect rendering method, device and equipment, a medium and a program product, the pixelated effect rendering method comprises the steps of obtaining first texture coordinate data corresponding to a target texture on the surface of a virtual object; performing discretization processing on the first texture coordinate data to obtain second texture coordinate data distributed in a stepped manner; disturbance data are obtained, the disturbance data are used for representing noise offset aiming at the second texture coordinate data, offset operation is carried out on the second texture coordinate data through the disturbance data, and third texture coordinate data are obtained; and finally, sampling the target texture according to the third texture coordinate data, and generating a rendering result with dynamic pixelated visual features. According to the scheme, pixelation and dynamic disturbance of texture sampling can be realized, and the artistic expressive force of rendering is improved.

A method for operating an access door in a vehicle comprises receiving, by means of an electronic control system, a command to open the access door and detecting an obstacle within the operating area of ​​the access door. The method further comprises generating, by means of a camera, a predefined image of the obstacle relative to the access door and processing, by means of the electronic control system, a pixelated resolution of the generated image. The method additionally comprises determining, by means of the electronic control system, the distance of the obstacle from the access door and relative to an operating area of ​​the door using the pixelated resolution of the image.Furthermore, the procedure includes limiting, by means of electronic control, the operating area of ​​the access door when the distance of the obstacle from the door and relative to the operating area of ​​the door is within a predetermined zone in order to avoid physical contact between the access door and the obstacle.

The invention belongs to the technical field of intelligent automobile lighting, and particularly relates to a dynamic glare suppression method and system based on multi-automobile cooperative perception, a vehicle and a computer readable storage medium. According to the method, a glare sensitivity distribution diagram which is sent by an opposite vehicle and based on the visual angle of the vehicle is received through V2X vehicle wireless communication, vehicle-vehicle information sharing is achieved, and the sensing limitation of a single vehicle is broken through; constructing a human eye glare sensitivity model based on the CIE standard, converting the physical brightness into subjective glare perception to generate a smooth weight map, and performing curve and ramp dynamic geometric compensation on the map to eliminate perspective distortion; and finally, generating a pixel-level dimming instruction by using the multi-agent depth deterministic strategy gradient network in combination with the lighting requirement of the vehicle, and driving the pixelated headlight to execute accurate brightness adjustment. According to the method, the problems of multi-vehicle meeting game conflicts, rough control strategies and failure of complex road conditions are effectively solved, and collaborative and accurate glare suppression and remarkable improvement of subjective comfort are achieved.

The invention relates to a method for processing an image representative of a scene facing a vehicle. A light intensity map is generated (501) from a generation model configured to receive as input a representative image of a scene facing the vehicle. The determined light intensity map is transmitted (502) to the light module for projection (503) of a light beam pixelated according to the light pattern corresponding to the generated light intensity map. A first image representative of the scene facing the vehicle is obtained (503) following the projection of at least one light beam pixelated according to the light pattern. The method includes determining (505; 506) at least a first image processing result by applying a first image processing function to the first image and a second image processing result by applying a second image processing function to the first image. FIG.5.

The method according to the invention comprises generating (501.1) a light intensity map from a generation model and a resulting image (500) representative of the scene facing the vehicle, and determining (501.2) a lighting setpoint. The light intensity map and the lighting setpoint are transmitted (502.1; 502.2) to at least one light module for projection (503.1; 503.2) of a first pixelated light beam, based on a light pattern corresponding to the light intensity map, in a range of wavelengths outside the visible spectrum, and of a lighting beam, according to the lighting setpoint, in a range of visible wavelengths. An image processing result is determined (505; 506) from a first image representing the projection of the first pixelated light beam onto the scene and a second image representing the projection of the second lighting beam onto the scene. FIG. 5