19 results about "Visible range" patented technology

This disclosure relates to the field of rendering technology, providing a method, apparatus, electronic device, and storage medium for rendering fog effects in a virtual scene. The method includes: in response to a target object entering a fog effect area, determining a pre-set visible range of the target object within the fog effect area; determining, based on the visible range, a decal component for simulating a target fog effect within the visible range and a mesh model matching the size of the visible range; attaching the decal component and the mesh model to the target object so that the decal component and the mesh model move with the target object within the fog effect area, forming a fog effect mask for the virtual scene outside the visible range; and controlling the rendering and display of the target fog effect determined based on the decal component, and the virtual scene under the influence of the target fog effect, on the target object's terminal device when the target object moves within the fog effect area. This method significantly enhances the fog effect rendering.

The invention relates to a non-destructive method for determining the percentage of recycled polyethylene terephthalate in a preform (12), characterized in that the method comprises: - a first step (E1) of measuring a first representative value of a transmission factor (T(λ1)) of a wall (16) of said preform (12) for at least a first determined wavelength (λ1) located in the visible range; - a second step (E2) of measuring a second representative value of a transmission factor (T(λ2)) of a wall (16) of said preform (12) for at least a second determined wavelength (λ2) located in the near-infrared; - a third step (E3) of calculating a value (rrPET) representative of the percentage of recycled polyethylene terephthalate present in the preform (12) as a function of the first and second values ​​(T(λ1), T(λ2)) measured during the first step (E1) and the second step (E2). Figure for the abbreviation: Figure 5

The application discloses an air-cooled island finned tube bundle micro-deformation detection method and system, and belongs to the technical field of object deformation measurement. The method comprises the following steps: based on the spatial position of a support member and a platform structure in observation point cloud data, and combined with detection equipment position and posture information and observation ray distribution data, wedge blind area range data is constructed; based on the observation point cloud data and reference geometric model data, the actual center line of each finned tube is extracted and compared with the corresponding reference center line to obtain geometric feature change data of the finned tube bundle; based on the geometric feature change data, micro-deformation index data of the finned tube bundle is calculated; based on the observation ray distribution data and the wedge blind area range data, directional observable reliability is generated; based on the wedge blind area range data and the directional observable reliability, directional compensation is performed on the micro-deformation index data; the application can cover the external visible range of the finned tube bundle and the accessible range of the wedge-shaped limited area, and improve the reliability and timeliness of micro-deformation monitoring.

This disclosure provides a method for clustering point light sources, a rendering method, and a computer program product. The method includes: acquiring a point light source dataset corresponding to a target geographic region, wherein the point light source dataset includes the identifier, location, and radius of each point light source, and the number of point light sources is two or more; establishing an association between the identifier of each point light source and the geographic grid obtained by pre-dividing the target geographic region based on the location range of each point light source and the geographic grid obtained by pre-dividing the target geographic region; determining the target geographic grid related to the visible range of the view frustum based on the location range of the geographic grid, the view frustum parameters, and the camera pose; using the point light sources associated with the target geographic grid as point light sources to be processed, and clustering the point light sources to be processed based on the view frustum parameters, the location and radius of the point light sources to be processed, and the preset number of blocks of the view frustum clipping plane, wherein one cluster corresponds to one block of the clipping plane, and the number of point light sources in each cluster does not exceed a preset number threshold.

A stereoscopic image display of the disclosure includes a display panel and a parallax barrier. The display panel includes a plurality of pixels and displays a plurality of parallax images forming a stereoscopic image. The parallax barrier is disposed facing the display panel and includes a shielding part having a surface on which a pattern of design is formed and a plurality of openings through which light emitted from the display panel passes. In an environment in which the stereoscopic image is observed, a spatial frequency of the pattern of design is set within a visible range determined based on a contrast sensitivity function.

The application discloses a non-line-of-sight traffic participant perception method based on multi-source topology alignment, wherein mobile terminals in a region periodically collect motion states and coordinate information of the mobile terminals, and perform distributed safety beacon broadcasting; adjacent mobile terminals in the region communicate with each other, and the mobile terminals can integrate safety beacon packets with each other to form a 'cooperative perception list'; in a vehicle alignment and identification stage, the vehicle side communicates with the mobile terminals in the region to obtain the 'cooperative perception list'; meanwhile, the vehicle side uses vehicle-mounted sensors to obtain feature points and three-dimensional space coordinates of all pedestrians in a surrounding visual visible range; the latitude and longitude coordinates or relative positions in the communication list are subjected to space transformation with the relative coordinates in the vehicle-mounted sensor perception list, and are aligned into a unified local coordinate system of the vehicle; and a virtual-real list alignment algorithm is used to detect whether there is a 'hidden target'.

The application provides a 3D Gaussian large scene rendering method and device, electronic equipment and a storage medium, wherein the method comprises: determining a plurality of to-be-rendered scene nodes based on the current frame visible range obtained through view frustum culling; storing primitive data of each to-be-rendered scene node to a preset global buffer, and generating a global index of the current frame recording the storage position of the primitive data; performing cross-node uniform depth sorting on all primitives of each to-be-rendered scene node stored in the global buffer based on the global index, and generating a global drawing sequence of the current frame; and rendering all primitive data in the global buffer based on the global drawing sequence. In this way, by establishing a global index and performing cross-node global depth sorting on all primitives in the global buffer, the consistency of the drawing order in the 3D Gaussian large scene block rendering is ensured, the visual cracks at the scene node boundary are eliminated, and the accuracy of the 3D Gaussian large scene rendering is improved.

Surface light decorative element (1) comprising: - an optically activatable symbolic body (2) which consists at least partially of a transparent, optically activatable first material (9) and is configured to emit visible light in response to the optically activatable symbolic body (2) being excited by electromagnetic radiation in a specified first frequency range (21), - a luminous element (3) which consists of a transparent material, wherein the optically activatable symbolic body (2) is arranged in the luminous element (3), - a touch-sensitive surface (4) arranged in a first area (5) of a surface of the luminous element (3) above the optically activatable symbol body (2) to detect a touch by a user in the first area (5), and - a lighting unit (6) which is configured to emit visible light in a specified visible frequency range (22) into the luminaire (3) and to emit electromagnetic radiation in the specified first frequency range (21) into the luminaire (3) together with the visible light, - characterized in that the specified first frequency range (21) lies in the non-visible range.

This application provides a vehicle path planning method and apparatus based on LiDAR and camera. The method includes: performing obstacle fusion perception and semantic classification on perception data collected by LiDAR and camera equipment to determine the danger level of obstacles; during the node expansion process of the improved A* algorithm, determining the dynamic heuristic cost based on the danger level and the distance between nodes to be processed, determining the improved actual cost based on the path length and turning angle, and determining the potential field constraint cost of the path inflection point based on the repulsive force exerted by obstacles within the visible range on the path inflection point; traversing the nodes to be processed based on the improved actual cost, the dynamic heuristic cost, and the potential field constraint cost of the path inflection point to determine the parent node and the target node; and traversing back from the target node to the parent node to determine the target driving path of the target vehicle. This method improves the reliability and adaptability of path planning.

This utility model discloses a fully luminous electronic atomizing device, including a main unit, an atomizer electrically connected to the main unit, and a light-transmitting element. The main unit is covered with a circuit board made of flexible material. The circuit board has multiple luminous patterns that emit different colors of light. A light shield is fitted onto the circuit board, and the light shield has multiple light-transmitting holes corresponding to each luminous pattern. A diffusion film corresponding to the light-transmitting holes is fitted onto the light shield. The light-transmitting element is fitted onto the diffusion film. The main unit contains a power supply component that supplies power to the circuit board to make the luminous patterns emit light. The power supply component can also control each luminous pattern to emit light simultaneously or individually. This utility model, by adopting the above technical solution, solves the problems of existing electronic atomizing devices where the light decoration can only emit light locally, resulting in a small luminous area and narrow visible range, as well as glaring light spots, uneven and soft light, and dull light colors, making the main unit's light decoration lack aesthetic appeal.

The invention concerns a lens element (200) intended to be placed in front of an eye of a viewer, the lens element comprising a transmissive metalens (100) having an array of nanostructures (161, 162, 163...), the transmissive metalens forming a phase gradient lens, the transmissive metalens having a first optical power in a first wavelength range, a second optical power in a second wavelength range, the first wavelength range and the second wavelength range being in a visible range and being distinct from each other, the array of nanostructures of the metalens being arranged and configured to induce a determined longitudinal chromatic aberration between the first wavelength range and the second wavelength range, a difference between the first optical power and the second optical power being comprised between 0,5 and 6 diopters in absolute value.

A method and system for using one or more sensors configured to capture two-dimensional and / or three-dimensional image data of one or more objects. In particular, the method and system combines one or more digital sensors with visible and near-infrared illumination to capture spectral image data of one or more objects in the visible and non-visible ranges. The captured spectral image data can be used to isolate and identify the one or more objects. Additionally, three-dimensional image data can be used to determine a volume of each of the one or more objects. The identification and volume data of the one or more objects can be used, individually or in combination, to obtain characteristics about the objects. The method and system provides a user with the ability to capture images of one or more objects and obtain relevant characteristics or information about each of the one or more objects.

This invention provides a multi-level diagnostic link status indication device for VHF data exchange systems, relating to the technical field of communication equipment monitoring. It includes: a multi-level signal acquisition module, a cross-layer correlation diagnostic module, an intelligent visualization indication module, and a visible range extension structure. The output of the multi-level signal acquisition module is connected to the input of the cross-layer correlation diagnostic module; the output of the cross-layer correlation diagnostic module is connected to the input of the intelligent visualization indication module; the intelligent visualization indication module includes: a three-dimensional LED dot matrix and a buzzer. This invention utilizes the multi-level signal acquisition module and the cross-layer correlation diagnostic module to achieve full-dimensional parameter monitoring from physical layer signal degradation to protocol layer anomalies, eliminating the single-dimensional detection blind spots of traditional solutions.

A method for manufacturing an optoelectronic component (1) is specified. The method comprises: - providing a carrier (2) having a contact area (21); - applying a flux composition (3) on the contact area (21), wherein the flux composition (3) comprises a flux material (31) and color particles (32); - arranging an optoelectronic semiconductor chip (4) on the flux composition (3); and - fixing the optoelectronic semiconductor chip (4) to the contact area (21) via a solder material (5). The manufactured optoelectronic component (1) is transparent for electromagnetic radiation (6) in the visible range. Furthermore, a corresponding optoelectronic component (1) is specified. In particular, the optoelectronic component (1) comprises a micro-LED as semiconductor chip (4).

The invention relates to a timepiece component comprising a base plate (2), a first interference layer (4) in direct or indirect contact with the base plate (2), and a second interference layer (3) covering the first interference layer (4), the first interference layer (4) being characterized in that it has a thickness of between 3 nm and 250 nm and is made of a first material that is optically transparent in the visible range of 380 nm to 780 nm, the refractive index n of the first material being less than or equal to 2 throughout said visible range, the second interference layer (3) being characterized in that it has a thickness of between 3 nm and 80 nm and is made of a second material whose refractive index n and absorption coefficient k reach values greater than or equal to 3 and greater than or equal to 0.5, respectively, in at least part of said visible range.

This application relates to the field of building materials technology, and more particularly to a building coating material, its preparation method, and its application. A building coating material is provided, comprising a filler with selective reflectivity, a photoluminescent material, a polymer emulsion, additives, and water. The addition of the selectively reflective filler results in a coating with high reflectivity only within its spectral response band, enhancing the intensity of incident solar radiation and improving the power conversion efficiency of BiPV. Combined with the photoluminescent material, the photoluminescent material re-emits photons of specific wavelengths absorbed by the selectively reflective filler within the visible range, generating a photovoltaic effect, improving energy conversion efficiency, and simultaneously achieving effective radiative cooling. Therefore, the obtained building coating material is suitable for a wider range of building types and surfaces, possessing significant market potential and practical usability.

The application belongs to the technical field of measurement, and particularly relates to a total air temperature sensing part probe and an error decoupling analysis method, which comprises a stagnation chamber and a thermocouple arranged in the stagnation chamber, and further comprises: a spiral shielding sheet fixedly installed in the interior of the stagnation chamber; a spiral sheet of the spiral shielding sheet and an inner surface of the stagnation chamber form a spiral air flow channel, and the spiral shielding sheet completely shields a visible range between a thermal contact point of the thermocouple and an external environment.

A horology component including a substrate (2), a first interference layer (4) in contact with the substrate (2) and a second interference layer (3) covering the first interference layer (4). The interference layer (4) has a thickness between 3 nm and 250 nm and is made of a first material that is transparent to the luminous spectrum in the visible range between 380 nm and 780 nm. The first material has a refractive index n less than or equal to 2 over the entire the visible range. The second interference layer (3) has a thickness between 3 nm and 80 nm and is made of a second material having a refractive index n and an absorption coefficient k respectively reaching a value greater than or equal to 3 and greater than or equal to 0.5, over at least part of the visible range.

A coated substrate for reducing bird collisions, such as in architectural windows, is disclosed. The coated substrate includes a first substrate having a first surface and a second surface disposed opposite to the first surface; wherein the second surface includes at least one functional layer thereon; and wherein the first surface includes a first coating having a predetermined pattern that contrasts in the UV and / or bird-visible range when compared to an uncoated portion of the first surface of the substrate, or when compared to other coated portions of the first surface. The coated substrate can be used as a single substrate in an architectural window or as a substrate in an insulating glass unit. A method for forming an architectural window to reduce bird collisions using upward sputtering and downward sputtering processes is also provided.