49 results about "Visible infrared" patented technology

The invention relates to an ultraviolet-visible-infrared tri-spectral image adaptive fusion method, which comprises the following steps: acquiring a tri-spectral image of high-voltage equipment as an original image, and preprocessing to obtain a preprocessed image; constructing a feature extraction calculation network to obtain feature vectors of the three-spectrum image; calculating the contribution weight of each image in the fusion result; and carrying out multi-scale weighted fusion on the three-spectrum image, and carrying out post-processing on the final fused image. According to the method, the information integrity and accuracy are remarkably improved, the characteristics of a target under different spectrums can be obtained, the problem that information of a single spectrum is one-sided is solved, and tiny flaws which are difficult to distinguish by naked eyes and are fuzzy in thermal imaging can be accurately positioned in industrial defect detection; the imaging of the visible light spectrum is limited in a severe environment, and the ultraviolet and infrared spectrums can still work in low-light, smog, haze and other scenes; after fusion, the system can stably acquire images in a complex environment.

The invention relates to the technical field of electrochromic materials, in particular to a long-life electrochromic intelligent window and a preparation method thereof. Comprising a conductive substrate and an electrochromic device, the electrochromic device is arranged above the conductive substrate and comprises a transparent conductive film, an anode electrochromic film, a cathode electrochromic film and an electrolyte layer, and a plurality of layers of visible near-infrared anti-reflection infrared high-emission multilayer films are arranged above the electrochromic device. According to the structure, the optical regulation and control amplitude of the electrochromic device can be increased, visible infrared rays, near infrared rays and middle and far infrared rays are effectively blocked, the temperature of the colored electrochromic device is reduced, and the service life of the electrochromic intelligent window is prolonged.

The invention discloses an organic light emitting diode with a visible-infrared multispectral band free switching function. The organic light emitting diode sequentially comprises an anode, a hole injection / transmission layer, an infrared light emitting unit, a charge generation layer, a visible light emitting unit, an electron injection / transmission layer and a cathode, the charge generation layer sequentially comprises a P-type semiconductor layer, a transparent conductive layer, a buffer layer and an N-type semiconductor layer, the P-type semiconductor layer is arranged adjacent to the visible light emitting unit, and the N-type semiconductor layer is arranged adjacent to the infrared light emitting unit. The infrared light-emitting unit is prepared by thermally activating the delayed fluorescent material, so that the internal quantum efficiency of the organic light-emitting diode is effectively improved. In addition, the charge generation layer with high conductivity is designed to be connected in series with the light-emitting units, so that an organic lighting source with a visible-infrared multispectral band free switching function can be constructed.

The invention discloses a spectrum simulation control method and system for all-weather illumination and a storage medium, and belongs to the technical field of illumination control, and the method comprises the steps: constructing a reference spectrum model with solar terms, time and weather conditions as indexes, the model being established based on multi-band solar spectrum data of a target area and associated environmental parameters; configuring a composite LED light source covering ultraviolet, visible and infrared bands, calling the reference spectrum model in combination with the current solar term, time and environmental parameters, and resolving to generate a multi-channel driving signal to drive the light source to fit a target spectrum; and closed-loop control is formed through real-time feedback and correction of the spectrum sensor. The system for realizing the method comprises a data acquisition and modeling module, a spectrum fitting and control module, a composite LED light source module and other core units. The system can reproduce a natural spectrum in a high-fidelity manner, has dynamic self-adaption, all-weather coverage and personalized adjustment capabilities, is stable and reliable in operation, and can be widely applied to various illumination scenes.

The invention relates to the technical field of control systems, in particular to a tool reference intelligent control system and method based on vision measurement. The control system comprises a high-definition camera, a standard ball and a controller, the standard balls are respectively mounted at a preset position easy to photograph and measure in a machine tool and on a cutter bar; the high-definition camera is in signal connection with the controller; the high-definition camera comprises a structured light camera, a visual camera and a light time-of-flight camera; wherein the structured light camera obtains position information of an object by emitting invisible infrared laser with a specific wavelength and calculating distortion of a returned coding pattern through a Harris corner detection algorithm, and is used for determining key feature points in an image; and the visual camera is used for simulating human eyes to obtain 3D data through two common cameras with a certain distance. According to the invention, unstable factors caused by manual participation in the machining process are removed, so that the production changing time is shortened, the product quality is stabilized, manual operation errors are avoided, and the working efficiency is improved.

The invention discloses a photoelectric detector, a preparation method of the photoelectric detector and a visible-infrared dual-band imaging system, and belongs to the field of semiconductor optoelectronic integration. The insulating layer is positioned on the upper surface of the substrate; the vertical heterojunction comprises a bipolar semiconductor layer and a channel semiconductor layer located on the upper surface of the bipolar semiconductor layer, and the bipolar semiconductor layer is located in the opening area. Due to the pyroelectric characteristic of the substrate, a dynamic polarization electric field can be generated when back gate voltage is applied to the substrate, and therefore the type and concentration of carriers in the bipolar semiconductor can be instantaneously regulated and controlled. The regulation and control mechanism and the vertical heterojunction jointly form a system in which the polarity of the vertical heterojunction is overturned under the induction of an electric field, so that the dual-band detection of visible light and infrared light is realized. The polarity of the vertical built-in electric field of the heterojunction interface can be accurately controlled by utilizing the polarization vector overturning of the pyroelectric substrate; a light splitting element is omitted, so that an optical link is extremely simple, and high-speed image processing and storage are supported.

The invention discloses a preparation method of a PEDOT: PSS-based visible-infrared electroluminescent spectrum regulation and control device, and belongs to the technical field of electrochromism. The invention aims to solve the problems of low emissivity regulation and control amplitude, single color change of a visible light area of the PEDOT: PSS film and incapability of adapting to various camouflage scenes due to the fact that the existing PEDOT: PSS film cannot be deeply reduced due to disconnection and isolation between conductive domains in the reduction process of the PEDOT: PSS film. The method comprises the following steps: 1, preparing a PEDOT: PSS-coated SWCNTs film; 2, solvent treatment; 3, dyeing the PEDOT: PSS (at) SWCNTs thin film; and 4, assembling the electro-emission device. The emissivity change delta epsilon of the PEDOT: PSS-based visible-infrared electroluminescent spectrum regulation and control device assembled in the invention in an infrared band is greater than or equal to 0.35, and the thermal radiation regulation and control capability of the PEDOT: PSS-based visible-infrared electroluminescent spectrum regulation and control device is remarkably improved through the final device functions and performances of multicolor visible light conversion (green / yellow / red system) and rapid and stable response.

The invention provides a flexible cross-band compatible electromagnetic camouflage metasurface and a preparation method thereof, and the metasurface achieves high-absorptivity electromagnetic camouflage of visible-infrared bands through a micro-nano feature structure formed by a metal-dielectric material, and achieves high transmittance in a microwave band through the design of gaps of periodic patterns. The preparation method comprises the following steps: preparing the cross-band compatible electromagnetic camouflage structure on a hard substrate, and transferring the cross-band compatible electromagnetic camouflage structure to a flexible substrate through wet stripping or laser stripping and other processes. According to the invention, a visible-infrared wave-absorbing structure and a microwave transmission structure are organically integrated to form a cross-band compatible electromagnetic camouflage function layer, and the cross-band compatible electromagnetic camouflage function layer can be transferred to a flexible substrate to realize conformal fitting of complex curved surfaces such as a radome.

The utility model provides a kind of multispectral collaborative imaging structure, comprising: light source device, object carrying device and imaging device;The imaging device is movable imaging device.For the limitation of prior art, it is difficult to meet the technical problem of efficient, accurate multi-band collaborative test, the utility model can carry out ultraviolet-visible-infrared multi-band imaging to object simultaneously, and the device of standardized process provides more faster and accurate qualitative spectral test method;Greatly reduce the test error caused by human operation.

A visualizer for use with an immunoassay rapid diagnostic test (RDT) with fluorescent probes includes a housing sized to enclose the RDT, an opening in the housing for insertion of the RDT, a viewing window in the housing positioned to align with a result window in the RDT when inserted in the housing, a UV / visible / infrared light source inside the housing for illuminating fluorescent probes in the result window so they may be viewed through the viewing window, and a switch for activating the light source. An RDT incorporating a UV / visible / infrared light source within its housing is also disclosed.

The utility model relates to the technical field of micro-magnetic induction dust adsorption, in particular to a micro-magnetic induction dust adsorption device, which is characterized in that a module IR (infrared) component emits specially modulated invisible infrared light to a shot object and simultaneously receives the invisible infrared light reflected back by the shot object; the module IR is used for receiving infrared light signals and obtaining space information of a shot object through calculation, the module IR converts the received infrared light signals into electric signals and transmits the electric signals to the chip assembly for processing, meanwhile, the dust collection assembly is powered on, the dust collection assembly conducts suction adsorption on dust, and therefore poor imaging of the module IR assembly is improved, and POG is reduced. Comprising a module IR assembly and a chip assembly, the module IR assembly is installed on the chip assembly, and the dust collection assembly is arranged between the module IR assembly and the chip assembly.

The invention discloses a visible-infrared image fusion detector structure and a preparation method thereof. The detector structure comprises a substrate, a visible light absorption layer, an infrared light absorption layer, a metal electrode layer and a protection layer from bottom to top. The structure monolithic integrates a visible light detector and an infrared detector. P-type and N-type doping of the same semiconductor material is realized by regulating and controlling the number of atomic layers (or the thickness of the material) by utilizing the self-doping effect of the number of atomic layers of the two-dimensional semiconductor, so that regulation and control of an electric field built in a heterojunction and a photon-generated carrier transport process are realized through energy band engineering. In combination with a differential mechanism of a spatial domain current signal, detection and imaging of an independent visible band (450-700 nanometers) and an independent infrared band (1.5-4 microns) are realized in a single device. The planar heterojunction detector does not need a complex optical system and a bias circuit, the preparation process is simple, and a novel device design scheme is provided for visible-infrared image fusion detection.

The application discloses a carbon-based visible-infrared photodetector adopting carbon nanohorns and a preparation method thereof, which comprises a substrate, a composite carbon-based film located on the substrate, a source electrode and a drain electrode; the composite carbon-based film comprises a carbon nanotube network or array film and carbon nanohorns deposited in sequence; the drain electrode is located on the composite carbon-based film or between the composite carbon-based film and the substrate, and the source electrode is located on the composite carbon-based film or between the composite carbon-based film and the substrate. Advantages of the application are as follows: 1) the carbon nanohorns have good conductivity, which is beneficial to the transport of photo-generated carriers; 2) the carbon nanohorn structure has good absorption to infrared light; and 3) the device is simple to manufacture and compatible with traditional semiconductor processes.

The utility model relates to an optical imaging system, in particular to a visible infrared dual-band refraction and reflection optical system based on a free-form surface shared beam shrinking lens. The technical problem that an existing total reflection type earth remote sensing system and a refraction and reflection type earth remote sensing optical system are difficult to meet the overall requirements of compactness, stray light, convenient adjustment and large view field is solved. The system comprises a beam shrinking unit, a dichroic mirror, a visible TDI imaging lens group, a reflecting mirror, an infrared TDI imaging lens group, a visible switching reflecting mirror and a visible area array imaging lens group, wherein the beam shrinking unit and the dichroic mirror are sequentially arranged along a light path; the visible TDI imaging lens group, the reflecting mirror and the infrared TDI imaging lens group are arranged on a reflecting light path of the dichroic mirror; the visible area array imaging lens group is arranged on a reflecting light path of the visible switching reflecting mirror; the beam shrinking unit comprises a primary mirror, a secondary mirror, an axis folding mirror and a third mirror which are sequentially arranged along a light path; the primary mirror and the secondary mirror are coaxially arranged; the included angle between the normal of the folding-axis mirror and the optical axis of the system is greater than 45 degrees; the third mirror is a free-form surface reflecting mirror, and emergent central view field light of the third mirror is perpendicular to primary and secondary mirror axes; and the dichroic mirror is arranged on an emergent light path of the third mirror.

The present application relates to the technical field of sports biomechanics, and particularly relates to a track and field action automatic recognition and capture method based on image data, which comprises the following steps: synchronizing visible infrared images, polarization images and event streams according to mutual information criteria and generating a polarization phase image; inputting a polarization neural radiance field network and a Lie group message passing based skeleton graph neural network, and alternately optimizing to obtain a continuous voxel light field and a joint rotation sequence; performing Vietoris-Rips persistent homology and third-order path signature extraction topology path feature on the sequence, encoding into a pulse sequence driven liquid state machine, and combining with a skeleton latent tensor and an action text embedding to generate a semantic confidence stream; constructing a saliency curve with a voxel light field time derivative, a neuromorphic difference, a semantic complementary value and a skeleton difference, adjusting a weight online through a strategy gradient, mapping a curve minimum to a key frame index and outputting an image frame. The present application can still capture track and field action key frames in real time and accurately under complex lighting and shielding conditions.

The invention provides a multispectral detection method and system based on a quantum dot coating CMOS sensor and a medium, and the method comprises the steps: collecting a multispectral original image, and carrying out the spectral normalization processing of the multispectral original image, and obtaining a normalized image; carrying out pixel geometric registration on the normalized image to obtain a registered image; extracting spectral features based on the registered image, performing principal component and waveband analysis on the spectral features, and performing fusion processing on the registered image based on an analysis result to obtain a fused image; constructing a material identification and pollution analysis model, inputting the fused image into the material identification and pollution analysis model, outputting a detection result, and transmitting the detection result to a terminal in real time; according to the method, reflection and absorption image information of ultraviolet-visible-infrared broadband can be obtained through single exposure, component and morphology information of the material is obtained through an image fusion algorithm, and material residues, metal diffusion, pollutants and the like are recognized and quantitatively analyzed.

The application discloses a kind of single-pixel ultraviolet-visible-infrared wide spectral range multispectral imaging system and imaging method, the system includes: light source module, modulation device, lens group, multispectral detection module, multichannel data acquisition module and data processing module;The present application is introduced multiple narrow-band detectors with different spectral responses in multispectral detection module, avoid increasing additional light splitting device and filter device, and the field of view, viewing angle, pixel number and other parameters of the image obtained using different narrow-band detectors are exactly the same, there is no image registration problem, convenient for data analysis and image fusion;In addition, the size of narrow-band detector is not limited basically, can reach centimeter level, the imaging capability is improved under weak light condition;The multispectral imaging system of the application has the characteristics of single-pixel imaging, large number of spectra, wide spectral range, fast imaging speed, good space-time resolution and small volume.

The application is based on electrochromic material technology, and particularly relates to an electrochromic visible-infrared response super surface film and a preparation method thereof. The preparation method comprises the following steps: step-by-step magnetron sputtering, depositing a conductive layer, tantalum pentoxide and tungsten oxide film on a substrate in sequence to form a device bottom electrode, a dielectric layer and an electrochromic layer; based on a mask, the film is subjected to a gluing-photolithography process, the electrochromic layer is etched by an argon ion beam to realize super surface pattern preparation; and the film is subjected to an annealing process in an air atmosphere to crystallize the tungsten oxide layer. The application has good visible-infrared compatible response performance, and simultaneously realizes visible color change and high variable emissivity in an infrared wave band (2.5-15 mu m).

The application discloses an unmanned aerial vehicle intelligent inspection method and system based on FAST structure abnormal target identification, and comprises the following steps: S1, establishing an unmanned aerial vehicle control platform; S2, setting an unmanned aerial vehicle flight path scheme in combination with a multi-source data acquisition type and telescope structure characteristics; S3, collecting infrared images and visible light images by using an unmanned aerial vehicle payload for a FAST complex structure abnormal target; obtaining a visible-infrared image pair after registration; S4, labeling a visible light image of abnormal target data, and forming a multi-source FAST structure abnormal target data set by combining an abnormal target label after labeling with the visible-infrared image pair; S5, pre-processing data in the FAST structure abnormal target data set to form an amplified data set; and S6, intelligently identifying and verifying the FAST structure abnormal target according to a multi-source fusion abnormal target detection model. The application first applies the unmanned aerial vehicle technology to the structure inspection of astronomical observation equipment, and can greatly improve the inspection efficiency of a radio telescope.

The invention discloses a mining target detection device, method, equipment, medium and product, and relates to the technical field of mining target detection, the mining target detection device is applied to a mining unmanned vehicle, and the mining target detection device comprises a laser radar, an infrared camera and a signal fusion module; the laser radar is in signal connection with the signal fusion module; the infrared camera is in signal connection with the signal fusion module; the laser radar is used for collecting three-dimensional point cloud data of a target object and sending the three-dimensional point cloud data to the signal fusion module. The infrared camera is used for collecting a visible infrared image of a target object and sending the visible infrared image to the signal fusion module; and the signal fusion module is used for receiving the three-dimensional point cloud data and the visible infrared image, and detecting the target object based on the three-dimensional point cloud data and the visible infrared image. The target object detection accuracy is improved, and the operation safety is improved.

This invention relates to the field of smart grid device technology, specifically to a smart grid distribution cabinet, comprising a main body of the distribution cabinet, a moving mechanism for moving and detecting cables is provided on the inner side of the main body of the distribution cabinet, a small air pump is installed on the inner side of the moving mechanism, a detection mechanism for circling and detecting cables is provided on the inner side of the moving mechanism, a visible infrared thermal imager is installed on the inner side of the detection mechanism, and a baffle is installed on the inner side of the detection mechanism. Driven by a synchronous belt, the second C-shaped plate of the detection mechanism moves in a circular motion around the cable. Combined with the visible infrared thermal imager and multiple CCD cameras, it can perform comprehensive detection of the entire circumference surface and heat distribution of a single cable without blind spots, solving the deficiency of traditional fixed-point detection which can only cover a local area.

This invention provides a multimodal simulated shooting training system and method. The system is compatible with multiple target types and shooting training modes, and can be rapidly deployed on both mobile and fixed target drones. The system includes: establishing a communication connection between the target reporting terminal and the target surface sensing array and the invisible infrared laser emitting device to generate training configuration records and training session status; collecting target surface hit data and gun end action data and unifying the timestamps, establishing an alignment window to match the hit time and generate shooting event records; calculating the target type mapping of the spot coordinates based on the target type in the training configuration record using target type mapping rules to obtain the hit result and generate a target reporting result; generating trajectory rendering results and new and old bullet hole markings in trajectory mode; extracting action feature sets based on the shooting event records and calculating shooting deviations; and issuing a prohibition shooting command when the prohibition conditions are met.

A liquid crystal medium and liquid crystal material comprising a) one or more compounds of formula I and one or more compounds of the formula T:and an electronic component comprising said LC medium, operable in the visible (VIS), infrared (IR) or microwave region of the electromagnetic spectrum. Also, the use of said LC medium in the IR, VIS or microwave region and devices comprising said electronic component.

The invention relates to a low-energy-consumption broadband standard intensity lamp. The core innovation of the low-energy-consumption broadband standard intensity lamp is that 240-3000 nm full-wave band continuous spectrum output is realized through material reconstruction and light path simplification design; the device is composed of a deep ultraviolet module, a visible-infrared module and a heat dissipation structure, the deep ultraviolet module adopts a 254 + / -15 nm LED to be converged to a CeF3 fluorescence conversion layer through a ball lens to achieve ultraviolet band wide spectrum coverage and stable output, and the visible-infrared module is achieved by laterally irradiating the fluorescence conversion layer through a low-power halogen tungsten lamp. The heat dissipation system adopts an aluminum alloy integrated framework design, and heat dissipation and heat insulation are enhanced; the beneficial effects are that full-wave band continuous coverage is realized, the intensity reaches the standard, the service life of the ultraviolet module and the halogen tungsten lamp is prolonged, the volume is compressed, the power consumption is low, and the device is adaptive to portable detection scenes.

The invention relates to the technical field of laminated photovoltaic modules, in particular to a four-junction perovskite-perovskite-perovskite-crystalline silicon laminated photovoltaic module and a preparation method thereof.The photovoltaic module comprises a first junction perovskite sub-cell layer, a second junction perovskite sub-cell layer, a third junction perovskite sub-cell layer and a fourth junction crystalline silicon bottom cell layer; the first perovskite sub-cell layer and the second perovskite sub-cell layer form perovskite / perovskite laminated cell photovoltaic glass, and the third perovskite sub-cell layer and the fourth crystalline silicon bottom cell form a perovskite / crystalline silicon laminated solar cell piece; according to the four-junction structure, solar radiation energy is utilized to the maximum extent by absorbing ultraviolet-visible-infrared full spectrums in a graded mode, the theoretical photoelectric conversion efficiency can exceed 50%, and the efficiency ceiling of a traditional photovoltaic module is broken through; a precise band gap matching design is adopted, three layers of perovskite respectively cover ultraviolet-visible-near infrared bands, and a narrow band gap crystalline silicon bottom cell efficiently absorbs infrared light, so that photon energy waste is thoroughly reduced, and the problem of insufficient spectrum utilization of a traditional double-junction assembly is solved.

The present application belongs to the field of optical measurement, and discloses an oscillating slit-based photoelectric aiming method, which is characterized in that: when the photoelectric aiming light spot is chopped by the two inner edges of the slit at the same time, the two signals are zero after passing through the multiplier and integrator of the phase-locked due to the inconsistency between the chopping frequency of the slit and the reference frequency of the reference signal source, and aiming is performed. The present application solves the problem of accurate aiming in the field of angle measurement, and realizes accurate aiming in the wide wave band of ultraviolet-visible-infrared. The device is small in size, easy to install and integrated, and can be used to realize the aiming function in other measurement fields, and has a wide application prospect.

LIDAR device (1) for scanning a scanning angle (H, V) with at least one radiation source (2) for generating at least one electromagnetic beam (4), with a rotatable mirror (6) for deflecting the at least one electromagnetic beam (4) along the scanning angle (H, V), with a receiving unit (12) for receiving at least one incoming electromagnetic beam (10) and for deflecting the at least one incoming electromagnetic beam (10) onto at least one detector (18) and with at least one filter (14) characterized in that the at least one filter (14) is adaptable to the at least one incoming electromagnetic beam (10), wherein the generated beam has a wavelength in a non-visible infrared range, wherein the rotatable mirror (6) is configured such thatthat it deflects the generated beam along a defined horizontal scanning angle (H) and is pivotable along a rotational axis orthogonal to the horizontal scanning angle (H) to cover a vertical scanning angle (V), and wherein the at least one filter (14) is rotatably mounted and pivoted synchronously with the rotatable mirror (6) such that the angle of incidence of the incoming beam (10) with respect to the adjusted filter (14) is substantially 0°, so that the incoming beam can pass through the filter and enter the receiving unit (12).

The present invention relates to a method and apparatus that can predict the visible-infrared band images of a region of the Earth's surface that would be observed by an Earth Observation (EO) satellite or other high-altitude imaging platform, using data from radar reflectance / backscatter of the same region. The method and apparatus can be used to predict images of the Earth's surface in the visible-infrared bands when the view between an imaging instrument and the ground is obscured by cloud or some other medium that is opaque to electromagnetic (EM) radiation in the visible-infrared spectral range, approximately spanning 400-2300 nanometres (nm), but transparent to EM radiation in the radio- / microwave part of the spectrum. Regular, uninterrupted monitoring of the Earth's surface is important for a wide range of applications, from agriculture to defence.

The visible infrared separation film includes an aggregate in which metal nanoparticles having a major axis of 25 nm or less are aggregated, the surface-to-surface distance between the metal nanoparticles inside the aggregate is 2 nm or less, the size of the aggregate is 50 nm or less, the aggregates are separated from each other at a distance of 5 nm or more, and the film thickness is 120 nm or less.