36 results about "Visible spectrum" patented technology

A camera shooting system disclosed by the present invention comprises a first camera shooting device, a second camera shooting device, a laser projection device and a processor. The laser projection device is used to project the structured light patterns of the invisible laser to a common field of view of the first and second camera shooting devices, the first camera shooting device is used to acquire a first visible light color image and a first invisible light image in the common field of view, and the second camera shooting device is used to acquire a visible light gray-scale image and a second invisible light image in the common field of view, and the processor is used to utilize the first visible light color image and the visible light gray-scale image to synthesize a second visible light color image and utilize the first invisible light image and the second invisible light image to calculate a depth image. According to the present invention, the high-quality color image and depth image of a target can be acquired with a smaller size and the lower power consumption.

The invention relates to a three-dimensional pavement crack image generation system and method. The system includes an information acquisition subsystem, a data processing subsystem and the like, wherein the information acquisition subsystem includes an image acquisition module and a crack depth acquisition module; the image acquisition module includes a shooting control sub-module, a CCD line scan camera and a structured light projector; and the data processing subsystem includes an information storage module, an image registration module, a visible light image crack detection module, a structured light image space texture extraction module and an image fusion module. The method comprises the following steps: step S100, collecting sample crack information, and building a crack depth prediction model; step S200, collecting a target rack image, extracting crack features and space texture, and calculating the target crack depth. Compared with the prior art, the three-dimensional pavement crack image generation system and method provided by the invention are simpler and more feasible and high in accuracy, and have broad application prospects.

The present invention relates to an infrared reflecting black pigment which comprises a composite oxide containing Fe, Co and at least one metal selected from the group consisting of Al, Mg, Ca, Sr, Ba, Ti, Zn, Sn, Zr, Si and Cu; has an average plate surface diameter of 0.02 to 5.0 μm, a blackness (L* value) of not more than 30, an average reflectance of not more than 10% in a visible light wavelength range of 250 to 780 nm and an average reflectance of not less than 35% in an infrared wavelength range of 780 to 2500 nm. There is provided an infrared reflecting black pigment which is capable of producing a heat-shielding paint containing no harmful elements and exhibiting an excellent infrared reflecting property.

The present invention provides a photocatalyst composite structure and a preparation method thereof. The photocatalyst composite structure has backbone-branch structural feature; the graphite type carbon nitride (g-C3N4) is the backbone, and carbon nanotubes(CNTs) grown in situ on the backbone chemical through vapor deposition (CVD) are the branches; and the nano photocatalyst coats on the entire backbone-branch complex structure surface. The invention has the advantages that the photocatalyst composite structure can degrade organic contaminants and realize photocatalytic water decomposition for hydrogen production under ultraviolet and visible light; in addition, the backbone-branch composite structure has large specific surface area, and can fully contact with organic pollutants and electrolyte solution to improve the photocatalytic efficiency.

The invention relates to the field of photocatalysis, and particularly relates to a visible-light-driven photocatalyst for degrading dye in wastewater, and preparation and application thereof. The visible-light-driven photocatalyst for degrading dye in wastewater is characterized in that mesoporous silicon dioxide of which the framework contains Ti atoms is used as a carrier, the mesoporous silicon dioxide carrier carries graphitic carbon nitride, and bivalent Cu ions are doped on the graphitic carbon nitride, wherein the graphitic carbon nitride with the doped cupric ions serves as a main catalyst, and the element Ti serves as a cocatalyst. The Ti atoms contained in the framework of the mesoporous silicon dioxide directly react with H2O2 in a photo-Fenton-like system to produce hydroxyl free radicals, thereby obviously improving the photo-Fenton-like reaction activity. The photocatalyst provided by the invention catalyzes degradation of methyl orange and/or rhodamine B in wastewater, and degradation can be performed at room temperature under the irradiation of visible light, thereby enabling the photocatalyst to have the advantages of mild reaction conditions, low cost and easy implementation; and the photocatalyst can be easily regenerated, and still has excellent photocatalytic performance after being regenerated many times.

A fluorescent image-printed article including a substrate, and an image formed on the substrate, wherein the image is formed from a fluorescent ink containing a binder, and a fluorescent substance which is dispersed in the binder, is capable of emitting fluorescence when irradiated with ultraviolet rays, and is substantially transparent to visible light, the fluorescent substance being formed of a rare earth complex containing, as a ligand, a compound represented by the following formula (1):

The invention belongs to the field of luminescent materials, and discloses a preparation method for a gallium-doped zinc oxide transparent conducting film. The method comprises the following steps of: preparing a Ga2O3:ZnO ceramic target; performing vacuum treatment on a cavity of coating equipment; and adjusting parameters of a magneto-controlled sputter coating process, and coating a film. According to the prepared gallium-doped zinc oxide transparent conducting film, the used target is a single-Ga-component target, and the film with different Ga contents can be prepared by adjusting the parameters of the magneto-controlled sputter coating process; and the resistivity of the gallium-doped zinc oxide transparent conducting film is reduced and then increased along with the increasing of the Ga content; and when the Ga content is 4.6 weight percent, the lowest resistivity is 6.6*10<-4> Omega cm, and the average visible light transmissivity is more than 85 percent.

The invention discloses a visible light communication based bridging system which comprises a plurality of LED optical access points. One LED optical access point is set to be in an optical access mode and connected with a network through broadband access equipment, and the rest LED optical access points are set to be in an optical bridging mode and connected with each other through a power line carrier bus and/or visible light to realize communication connection. By the visible light communication based bridging system in the technical scheme, a distributed system of visible light communication is formed through a bridging technique, coverage area and transmission rate of a visible light communication system are increased, typical safety and radiationless performance are given into play for different scenes, and flexibility and convenience of the whole network structure are improved greatly.

A display system includes: a screen in which, in an area on which invisible light is incident, a scattering state where visible light is scattered and a transmission state where visible light is transmitted are switched; an image projection system to project an image of the visible light onto the screen; and an invisible light projection system to project the invisible light onto the screen and to cause an area of the screen onto which a desired portion of the image is projected to have the scattering state.

The invention belongs to the technical field of solar panels, and especially relates to a high-light-transmittance ultra-white figured glass and a preparation process thereof. The purpose of the invention is to solve the problem that an existing solar module is short in service life. The high-light-transmittance ultra-white figured glass comprises main materials and auxiliary materials, the main materials comprise SiO2, CaO and a mixture, the auxiliary materials comprise MgO, Al2O3, Fe2O3, Sb2O3, SO3 and CeO2, and the mixture is prepared by mixing Na2O and K2O. The use amount of antimony oxideand the use of cerium oxide are increased on the basis of the original raw materials of ultra-white glass, parts of ultraviolet rays are shielded after cerium oxide is added, a small amount of generated power is reduced, and the aging of the upper EVA and the lower EVA of a vacuum laminated battery piece of the solar module can be delayed, thereby the service life of the whole solar module can bewell prolonged; and the visible light transmittance is improved after antimony oxide is increased, so the defect that the transmittance of a solar spectrum curve is reduced due to the fact that cerium oxide is added in advance and then parts of ultraviolet rays are shielded is overcome.

The present invention discloses a visible light intensity compensation method. The method comprises: detecting visible light and infrared light in the ambient light, and obtaining the intensity value of the visible light and the intensity value of the infrared light; obtaining the operation values of the intensity value of the visible light and the intensity value of the infrared light; and comparing the operation values with a preset range of threshold, and performing compensation of the intensity value of the visible light according to the comparison result. The present invention further discloses a visible light intensity compensation device and a mobile terminal. According to the invention, the visible light intensity compensation method and device and the mobile terminal can reduce the difference between the intensity value of the visible light after compensation and the standard intensity value of the visible light so as to allow the intensity value of the visible light after compensation to be closely consistent to the standard intensity value of the visible light.

The invention discloses a visible-light responsive photocatalyst Sr3Ce2Ti6O19 and a preparing method thereof. The chemical composition formula of the photocatalyst is Sr3Ce2Ti6O19. The invention further discloses the preparing method of the photocatalyst Sr3Ce2Ti6O19. The preparing method is simple and low in cost, the prepared photocatalyst has good catalytic performance, the effect that harmful chemicals are decomposed under visible light irradiation is achieved, stability is good, and great application prospect is achieved.

The invention discloses a method for preparing a vanadium-doped gallium antimonate visible light photocatalyst. The method comprises the following steps: (1) stirring and mixing gallium nitrate, antimony pentoxide, ammonium metavanadate and deionized water at room temperature, regulating the pH value to 1-5 through 2-6mol/L of nitric acid, and obtaining a nano powder precursor solution; (2) arranging the nano powder precursor solution in a high pressure reactor, raising the temperature to 100-200 DEG C at a speed of 1-5 DEG C per minute, preserving the temperature for 6-48 hours, carrying out hydrothermal reaction, naturally cooling to room temperature, taking the product out, washing by using deionized water and absolute ethyl alcohol, drying in a drying box at the temperature of 60-80 DEG C, and obtaining the vanadium-doped gallium antimonate visible light photocatalyst. The preparation of gallium antimonite nanoparticles and a vanadium doping process are synchronously realized, and the method is simple in process, easy to control and suitable for industrial production and application. The prepared vanadium-doped gallium antimonate visible light photocatalyst is high in visible light utilization rate and high in catalytic efficiency and can be used for treating wastewater containing organic pollutants.

The invention discloses a preparation method of a super-hydrophilic-super-hydrophobic controllable ZIS nano-grading material and an application thereof, and the preparation method comprises the following steps: taking InCl3.4H2O, ZnSO4.7H2O and CH3CSNH2 as raw materials, and carrying out a one-step hydrothermal reaction to obtain a Zn3In2S6 nano-grading material; and by regulating and controllingthe addition amount of CH3CSNH2 in the raw materials, realizing the regulation and control of the surface hydrophilic or hydrophobic characteristics of the obtained Zn3In2S6 (ZIS) nano-grading material. Under visible light, the obtained surface super-hydrophilic ZIS shows excellent removal activity of organic/inorganic pollutants in a water body, and the obtained surface super-hydrophobic ZIS shows excellent conversion activity of pollutants in the atmosphere.

The embodiment of the invention provides a demosaicing method and device, electronic equipment and a storage medium. The method comprises: obtaining a target RGBIR image; performing first processing on the target RGBIR image by using a first neural network to obtain a target IR image; and/or performing second processing on the target RGBIR image by using a second neural network to obtain a target RGB image, wherein the first processing comprises: eliminating a visible light component in a pixel value corresponding to an IR channel pixel point in the target RGBIR image and predicting a pixel value of a color channel pixel point in an IR channel, and the second processing comprises: eliminating a near-infrared light component in a pixel value corresponding to the color channel pixel point in the target RGBIR image for each color channel, and predicting the pixel values of the pixel points except the pixel points of the color channel in the color channel.

The invention discloses a PEG modified SiO2-TiO2 composite self-cleaning antireflection film and a preparation method thereof. The self-cleaning antireflection film contains 20-25 wt% of TiO2 and 75-80 wt% of SiO2, and round holes with the diameter of 10-40 nm are distributed in the face, deviating from a glass substrate, of a film. The invention further discloses the preparation method of the antireflection film. The preparation method comprises the following steps: adding SiO2 into TiO2 to prepare SiO2-TiO2 mixed sol, dividing the SiO2-TiO2 mixed sol into two parts, adding PEG into one part,coating with the SiO2-TiO2 mixed sol and the SiO2-TiO2 mixed sol doped with the PEG in sequence, annealing, and volatilizing the PEG on the top layer to form a hole structure. The prepared antireflection film with the gradually changed refractive index has the average transmittance of 97.4% in a visible light interval and the highest transmittance of higher than 99%; besides, due to the additionof TiO2, the contact angle of the film can be reduced under the illumination condition, and the self-cleaning performance of the film can be improved. The method is low in cost, simple and environment-friendly in preparation and low in requirement on the shape of the substrate, and large-scale mass production can be realized.

The invention belongs to the technical field of catalysts, and discloses a photocatalyst transition metal halide molten salt preparation method and application, a low-valence compound stable to air and water is used as a Ti source, transition metal halide is used as molten salt, the Ti source and the molten salt are mixed and ground according to a molar ratio, and a photocatalyst transition metal halide molten salt is obtained; and heating the transition metal halide in an air atmosphere until the temperature is not lower than the melting point of the molten salt, enabling the transition metal halide to be in a molten state, preserving heat, washing with water, and separating to obtain the reduction-state TiO2-x photocatalyst which is rich in Ti < 3 + > and Ov and has excellent visible light response capability. The obtained product has excellent visible light response performance, and the defects that multiple steps are needed for traditional defect-state titanium dioxide preparation, and flammable and explosive reducing gas or other dangerous reducing agents or oxidizing agents are used are overcome; and the adopted Ti source is stable to air and water, so that the defects of adopting an organic solvent and other easily-hydrolyzed Ti sources are completely avoided, and industrialization is facilitated.

The invention belongs to the technical field of reticles, and particularly relates to an electronic display reticle for a sighting telescope. According to the electronic display reticle, a polarized light sheet is pasted onto the upper portion of an electronic display reticle body for the sighting telescope to form an information display area used for displaying various parameters, wherein the information display area comprises distance measurement information, the ballistic compensation information is used for displaying errors caused by windage yaw and height of bullets, software automatically calculates the errors and feeds back the ballistic compensation amount, the state information, the abscissa information, the ordinate information and the battery electric quantity information, the ballistic compensation information is added in the information display area, so that the aiming and shooting precision is high, and the display result is more direct and effective; and an effective aiming area is arranged below the electronic reticle body, the effective aiming area is an effective clear aperture, and the visible light transmittance is larger than 90%.

The embodiment of the invention provides a camera module and a mobile terminal, the camera module comprises a first camera, a second camera and an image fusion unit, the first camera comprises a first lens group, a first light filtering device and a first image sensor which are sequentially arranged from an object side to an image side; the first light filtering device is used for transmitting near-infrared light to the first image sensor; the second camera comprises a second lens group, a second light filtering device and a second image sensor which are sequentially arranged from the object side to the image side, and the second light filtering device is used for transmitting visible light to the second image sensor; and the image fusion unit is electrically connected with the first image sensor and the second image sensor and is used for performing fusion processing on the image signals output by the first image sensor and the second image sensor to obtain a fused image. The camera module provided by the embodiment of the invention has the photosensitive capability for near-infrared light, can realize a defogging imaging effect, obtains a fused image with clear image quality, and improves the quality of the shot image.

The invention provides a method and a system for constructing a fusion model of an infrared image and a visible light image, the model comprises a generator and a discriminator, and the method comprises the following steps: enabling the generator to adopt a gradient path to extract detail information of the image and adopt an intensity path to extract contrast characteristics of the image; fusing the images obtained by the two paths through a cascade method to obtain a fused image; using two discriminators to process the fused image, wherein one discriminator extracts contrast information of the fused image and the infrared image by taking the infrared image as real data, and the other discriminator extracts detail information of the fused image by taking the visible light image as real data; and completing the construction of a fusion model through continuous adversarial training between the generator and the discriminator. The fusion image obtained by the scheme of the invention is more in line with the visual perception of people, and can contain more detail information and obvious contrast characteristics.

The invention discloses a high-reliability plug-in type light-emitting diode with a built-in driving IC, and belongs to the field of diodes, the high-reliability plug-in type light-emitting diode with the built-in driving IC comprises a built-in IC control chip, a lead frame and a light-emitting chip, the lead frame comprises five functional welding pins, and the five welding pins are respectively DO, Gnd, Vcc, DI1 and DI2. The DO contains DO1 and DO2; the built-in IC control chip is used for processing data signals of the controller and a superior pixel point; the light-emitting chip is used for radiating visible light; the DO is used for outputting a data signal; and the Gnd and the Vcc are respectively a positive electrode and a negative electrode. Normal operation of the pixel points is guaranteed, meanwhile, double-path signal transmission is adopted, operation of the secondary pixel points is not affected after a single pixel point is damaged, normal display of the whole color is guaranteed, the use reliability is higher, the market use requirement is met, the maintenance probability is reduced, and the high-reliability plug-in type light-emitting diode is suitable for application and popularization.

The invention relates to a method for preparing a quinoxaline-2-ketone derivative through controllable catalysis. The method comprises the following steps: adding a Selectfluor reagent into an organic solvent, carrying out ultrasonic dissolution, respectively adding a quinoxaline-2-ketone compound, an alcohol and an additive into the organic solvent, carrying out a stirring reaction at room temperature under the irradiation of a light source, tracking by TLC until the raw material quinoxaline-2-ketone compound is completely reacted, then ending the reaction, and carrying out post-treatment and column chromatography separation and purification to obtain the 3-alkoxy quinoxaline-2-ketone derivative or the 3-hydroxyalkyl quinoxaline-2-ketone derivative. Clean visible light is used as reaction energy, the preparation process is simple and efficient, operation is convenient, conditions are mild, environment friendliness is achieved, the substrate application range is wide, and the method is suitable for large-scale industrial production.

The invention provides an optical path adjustable pipe phase holdup detection system and method. The system comprises a pipe device, an optical path adjusting device, a light source emitter and a signal receiving device. The pipe device comprises an organic glass pipe located in the middle, and a large-diameter pipe, a transition tapered tube and a small-diameter pipe which are connected with twoends of the organic glass pipe in sequence. The optical path adjusting device comprises a first concave reflection mirror and a third concave reflection mirror which are set at the lower side of the organic glass pipe, and a first light guide mirror, a second concave reflection mirror and a second light guide mirror which are set in sequence at the upper side of the organic glass pipe. The first light guide mirror and the third concave reflection mirror are symmetrically set at two sides of a central axis of the second concave reflection mirror. The light source emitter is used for emitting visible light and near-infrared light. The system and the method are simple in structure. Free adjustment of an optical path is realized. The optical path is increased. A signal to noise ratio is improved. Measurement accuracy is improved. Real-time online detection can be realized.