73 results about "Natural illumination" patented technology

The invention relates to the technical field of image processing, and discloses a tea maturity detection method and system, and the method comprises the steps: obtaining an original image of tea in a natural illumination imaging environment; generating a global illumination difference chart representing an ambient illumination state, and performing illumination compensation on the to-be-detected area of the tea in the original image to obtain a compensated image of the tea; performing gray scale range adjustment on the compensated image of the tea leaves to obtain an enhanced spectral image of the tea leaves; integrating the color and spectral characteristics of the specific spectral reflection characteristics of the tea leaves with different maturity degrees in the enhanced spectral image and the three-dimensional morphological characteristics reflecting the spreading degree and thickness of the tea leaves into the fusion image characteristics of the tea leaves; mapping the color spectrum emission characteristics and texture characteristics of the tea leaves in the enhanced spectrum image to a maturity discrimination knowledge base of the tea leaves to obtain a preliminary maturity result; performing confidence coefficient weighting on the preliminary maturity result to obtain a target maturity; according to the invention, the tea maturity detection efficiency can be improved.

This utility model discloses a constant temperature and humidity device for germinating larch seeds, relating to the field of seedling equipment technology. The utility model includes an insulated shell, with a storage mechanism fixedly connected to its inner cavity. A humidity-regulating component is fixedly connected to one side of the insulated shell, and a ventilation component is connected to the top of the insulated shell. The storage mechanism includes an inner shell disposed within the inner cavity of the insulated shell. This utility model, through the cooperation of the inner shell and the insulated shell, forms a double-layered insulated space, effectively reducing heat loss and ensuring stable internal temperature. The connecting plate, bracket, and tray design within the inner shell facilitates layered seed placement, not only improving space utilization but also ensuring good air circulation for each layer of seeds. A heater rapidly raises the internal temperature, and a lighting lamp simulates natural light conditions, providing suitable illumination for seed germination and helping to improve germination rate and quality.

The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.

The utility model provides a seedling raising frame for tea planting, which relates to the technical field of tea planting and comprises a frame body, a plurality of laminates are arranged on the frame body, a water pipe is fixedly connected onto the frame body, a plurality of nozzles are arranged on the water pipe, a rotating structure is arranged on the frame body, the rotating structure mainly comprises four chain wheels, and the four chain wheels are arranged on the frame body. The four chain wheels are rotationally connected to the inner walls of the two sides of the frame body through bearings correspondingly, every two chain wheels located at the same height are fixedly connected through a round rod, every two chain wheels located on the same side are jointly connected with a chain in an engaged mode, and a plurality of connecting shafts are fixedly connected to the chains. The utility model solves the problem that the overall quality and the survival rate of seedlings are affected due to the fact that the placing position of each layer of seedlings is relatively fixed, the seedlings on the upper layer close to a light source can obtain sufficient illumination under natural illumination, the illumination quantity of the seedlings below is obviously insufficient, and the illumination is not uniform.

A method for imaging an object illuminated with natural light including arranging an optical filter in an optical path of at least a portion of the natural light that is reflected and / or refracted or scattered from the object; arranging an optical detector in an optical path of light at least one of reflected from and / or transmitted through the optical filter; detecting, using the detector, individual photons for a time period to provide a times series of individual photon events; segmenting the time series into a plurality of bins; determining a number of detected photons within each bin to provide a time series of photon counts per bin; replacing and / or reconfiguring the optical filter a plurality of times followed by detecting, segmenting and determining to obtain a plurality of times series of photon counts per bin; and forming an image of the object based on the plurality of times series.

The application provides a remote non-contact photo-thermal deicing method for a wind turbine blade surface, which comprises: collecting ice condition data of the wind turbine blade surface to obtain multi-modal data; identifying features of the multi-modal data to obtain ice condition features; constructing a three-dimensional thickness distribution model based on the ice condition features and combining natural light factors to generate a deicing strategy; performing laser deicing according to the deicing strategy and adjusting and controlling the laser beam through a bee swarm focusing algorithm; monitoring the temperature change of the coating on the surface of the wind turbine blade in real time to adjust the laser power; detecting the deicing rate of the deiced wind turbine blade surface, and if the deicing rate does not meet the standard, re-performing the deicing operation until the deicing rate meets the standard. Through the fusion of multispectral imaging, millimeter wave radar, double-flow neural network and dynamic environment modeling technology, the application realizes accurate identification of ice conditions and adaptive laser deicing control, and reduces the dependence on natural light while reducing energy consumption.

The present application relates to the technical field of image processing, and discloses a tea maturity detection method and system, the method comprising: acquiring an original image of tea under an imaging environment of natural light; generating a global light difference map representing the state of the ambient light, and performing light compensation on a tea region to be detected in the original image to obtain a compensated image of the tea; adjusting the gray scale range of the compensated image of the tea to obtain an enhanced spectral image of the tea; integrating the color and spectral features of the specific spectral reflection characteristics of tea leaves of different maturity in the enhanced spectral image with three-dimensional morphological features reflecting the spread and thickness of tea leaves into a fusion image feature of the tea; mapping the color and spectral emission characteristics and texture features of the tea in the enhanced spectral image to a maturity discrimination knowledge base of the tea to obtain a preliminary maturity result; and performing confidence weighting on the preliminary maturity result to obtain a target maturity; the present application can improve the efficiency of tea maturity detection.

The application discloses a kind of multispectral artificial simulation sunlight artificial climate chamber, it is related to the technical field of climate chamber, including base, the base top is fixedly connected with light house, the light house top is fixedly connected with roof, the roof top is provided with sunlight simulation mechanism, it is related to the technical field of climate chamber, by setting sunlight simulation mechanism, periodically poking elastic strip in the rotating process of poking plate, make swing plate slide and reciprocating swing in the outer wall of sliding strip, to realize the multispectral light strip of fixedly connected in the bottom of swing plate drives multispectral light source to swing with wind, simulate natural light angle change, make plant light more evenly, promote its stem leaf natural growth to light, effectively improve photosynthesis efficiency, avoid local strong light burn simultaneously, realize more close to natural environment's growth control.

The application discloses a method for improving the quantity of Michelia maclellandii oil, which comprises the following steps: (1) covering the top of Michelia maclellandii seedling with a shading net, wherein the light transmittance of the shading net is 75-85% during March to July, the light transmittance of the shading net is 35-45% during August to October, and the shading net is subjected to full natural light during November to next February; meanwhile, fertilizers are sprayed every 25-35 days during April to September; (2) picking fresh leaves of Michelia maclellandii in the second year, and extracting oil. Through strictly adjusting the light conditions in different months, the fertilizing mode during the growth of Michelia maclellandii, and cooperating with the timing of branch and leaf pruning, fresh leaf picking and oil extraction, the fresh leaf weight and the oil yield of fresh leaves of the Michelia maclellandii seedling are greatly improved, so that the total oil yield of the Michelia maclellandii oil is greatly improved.

A method for determining natural illumination duration and an electronic device are provided, to more accurately determine a scenario in which a user is located and effectively determine natural illumination duration, to help the user improve vision. The method is applied to an electronic device having a display screen and includes: determining a current scenario based on a preset reference factor (S901), where the preset reference factor includes any one or more of ultraviolet intensity, illumination intensity, and locating signal strength; and counting current natural illumination duration towards cumulative natural illumination duration if the current scenario is a preset scenario (S902), where the preset scenario includes any one or more of an outdoor scenario, an indoor near-window scenario, and an outdoor blocked scenario.

The invention discloses a six-picture pheasant breeding method and equipment, and relates to the field of pheasant breeding, the six-picture pheasant breeding equipment comprises an outer box house, an inner box house is slidably mounted in the outer box house, a supporting plate is fixedly connected to the bottom end of the inner box house, a bottom scraper is fixed between the two sides in the outer box house, and a supporting rod is connected to the top end of the bottom scraper; an upper scraping plate is fixed to the top end of the supporting rod, the supporting plate is located between the bottom scraping plate and the upper scraping plate, a sliding groove allowing the supporting rod to slidably pass through is formed in the supporting plate, and when the weather is good, the inner box house is pulled out of the outer box house, the breeding space can be instantly enlarged by more than one time, and the inner box house is exposed in the external environment; the pheasants can be in direct contact with natural light and fresh air, the expanded space reduces crowding friction between the pheasants, the probability of occurrence of stress reactions such as pecking is reduced, and the quality of life of a group is remarkably improved.

The utility model discloses an edible mushroom breeding device capable of supplementing illumination, and relates to the technical field of edible mushroom breeding. The edible mushroom breeding device capable of supplementing illumination comprises a fixed bottom plate, an illumination assembly and an external assembly, the top of the fixed bottom plate is fixedly connected with an illumination box, the illumination assembly is located in the illumination box, the illumination assembly comprises a rotating column, mounting plates, a breeding box, a mounting groove and an LED illuminating lamp, and three groups of mounting plates are rotationally mounted on the outer wall of the rotating column and distributed up and down; the top of the mounting plate is fixedly connected with a breeding box, and the external assembly is located on the fixed bottom plate. The light supplementing device can supplement light for edible mushroom breeding in the breeding box, can effectively make up for the deficiency of natural light, can better adjust the growth process of edible mushrooms especially in rainy days or seasons with large day and night differences, thereby improving the yield, can promote the growth of edible mushroom hyphae through the light for edible mushroom breeding, and improves the quality of edible mushrooms. The influence on the expansion of hyphae due to insufficient natural light is effectively avoided.

The utility model discloses a kind of illumination intensity gradient simulation devices of medicine stability test box, it relates to the field of medicine stability detection, the illumination intensity gradient simulation device of this medicine stability test box, including box and lamp bead, drive motor engagement is set carousel to carry the medicine to be detected in box, carousel is directly above and is slidably set lamp bead by mounting plate, existing technology is fixedly arranged in box, the lamp bead setting of different light intensity irradiation for the environment in box is set to be installed by two staggered arrangement arc-shaped plate, realize the adjustment of lamp bead in front and back left and right freedom, simulate the difference of sunlight irradiation angle in different seasons under natural environment, in addition, the carousel driven periodically by drive motor in box is used to carry the medicine to be detected, with the periodic rotation of carousel, simulate the intensity change of illumination within a day under natural state, more conform to the storage environment of medicine under natural illumination, test result is more accurate.

The application relates to the technical field of rice seed cultivation, and discloses a light-adjustable rice seed germination device and processing method, which comprises a box body, a plurality of layers of planting frames for cultivating rice seed germination are arranged in the box body, and the planting frames are moved out of the box body under the cooperation of a first pushing mechanism and a second pushing mechanism when the device is used in a natural light environment, the planting frames are adjusted to an appropriate angle by a second cylinder contraction, and the planting frames fully receive external natural light; when the device is used in a non-natural light environment, the planting frames are adjusted to a horizontal posture by a second cylinder elongation, and the planting frames are moved into the box body by the first pushing mechanism and the second pushing mechanism under the cooperation of a first cylinder elongation, so that the problem of manual carrying during daytime irradiation in the prior art is solved.

The application provides a kind of inverter test method and system for simulating long-term photovoltaic condition, it is related to photovoltaic inverter test technical field, the method first makes photovoltaic module driven sample inverter work in natural illumination, real-time capture its MPPT (maximum power point tracking) steady state voltage, current and mark time mark;Accordingly, calculate power, generate corresponding current-voltage curve data, store it again and then convert it into closed-loop control instruction for adjustable DC power supply;The power supply outputs DC power consistent with the curve in real time, feeds into the inverter to be tested, so that both inverters are at the same optimal energy reference at any time;Finally, compare the efficiency, output harmonic distortion rate and other inverter performance evaluation indexes of both under the same input power.System includes reference test circuit, comparative test circuit and maximum power point I-V characteristic curve simulation module, module built-in high-speed sampling, storage, power operation and instruction generation unit, and supports self-defined curve injection.

The invention provides a dual-laser cooperative deicing system and method for a fan blade, and relates to the technical field of stable operation and maintenance of wind power generation equipment. According to the system, after a detection unit obtains ice layer information, an intelligent control system drives a long-wave laser to perform gridding cutting and partitioning on an ice layer by using the strong absorption characteristic of the ice layer; and then the short-wave laser is driven to emit short-wave laser penetrating through the ice layer, the short-wave laser is absorbed by the flexible film and converted into heat energy, and the contact interface of the ice layer and the blade is directionally melted. Under the synergistic effect of the gravity, the wind load and the super-hydrophobic characteristic of the thin film, the cut independent ice blocks integrally slide down. By means of the collaborative operation mode of cutting and partitioning, bottom layer ice melting and self-weight falling, the problems that in the prior art, energy consumption is high, operation is dangerous, and photo-thermal ice removing depends on natural light are effectively solved, and all-weather, low-energy-consumption and non-contact type accurate ice removing of the fan blade in the severe environment is achieved.

This invention provides a non-destructive detection method for rice tillering angle based on YOLO11, with the following steps: (1) Input a frontal image of rice in the tillering stage acquired under natural light; (2) Perform light homogenization processing on the input image; (3) Construct and train a rice tillering key point detection model based on YOLO11-Pose; (4) Detect tillering key points using the trained YOLO11-Pose detection model and form two tillering feature lines; (5) Calculate the angle between the two tillering feature lines, which is the rice tillering angle, and visualize the tillering angle. The YOLO11-Pose detection model construction process includes training data acquisition and preprocessing, model architecture construction, training parameter setting, model training, and model validation. This invention relates to a non-destructive testing method for rice tillering angle based on YOLO11. This method does not damage the original rice root and stem angle during the measurement process and can complete non-contact tillering angle measurement under different lighting conditions, thereby improving the efficiency of tillering angle measurement.

The invention discloses a special photocatalytic self-cleaning coating for photovoltaic glass and a preparation method of the special photocatalytic self-cleaning coating, and aims to provide the special photocatalytic self-cleaning coating for the photovoltaic glass, which is capable of degrading organic pollutants under natural illumination, keeping high light transmittance and prolonging the service life of a photovoltaic module. According to the technical scheme, the preparation method comprises the following steps: preparing TiO2 / SnO2 heterojunction nanocrystals, activating the TiO2 / SnO2 heterojunction nanocrystals, adding a silane coupling agent, stirring for 30-60 minutes, stirring for 1-3 hours at the temperature of 50-70 DEG C, and centrifugally drying to obtain modified TiO2 / SnO2; then dispersing in a mixed solvent, dropwise adding tetraethoxysilane, adjusting the pH value, stirring for 1-2 hours at 40-45 DEG C, heating to 75-82 DEG C, and reacting for 1-3 hours to generate hydroxylated silicon dioxide (at) TiO2 / SnO2 core-shell microspheres; then dispersing the product in isopropanol, adding SnCl4. 5H2O and SbCl3, adding triethanolamine at the same time, and hydrolyzing at 58-62 DEG C for 2.5-3 hours to form hydroxylated silicon dioxide (at) TiO2 / SnO2 (at) ATO composite sol; mixing the mixed solution with acidic silica sol in a mass ratio of 1: (3-5), adding a dispersing agent, adjusting the pH value to 4.0-4.5, and carrying out ultrasonic dispersion; and coating photovoltaic glass with the obtained product, and carrying out gradient heating curing. The invention belongs to the technical field of coatings.

The utility model discloses an automatic light supplement device for facade cultivation, which comprises a rack, a cultivation plate vertically arranged on the front surface of the rack, a driving motor arranged on the top of the rack, side plates respectively arranged on two sides of the top of the rack, two roll shafts rotatably connected between the two side plates, and a first transmission mechanism connected with the output end of the driving motor. The two ends of the roller shaft are fixedly connected with first chain wheels respectively, a first chain is arranged between the two first chain wheels located at the same end of the roller shaft in a winding mode along the upper portions of the first chain wheels, the two ends of the first chain are located on the front face and the back face of the rack respectively, the end points of the two first chains are connected through a balancing weight, and a plurality of light supplementing lamps are arranged between the two first chains. The light supplementing lamp is located on the front face of the rack and faces the cultivation plate. The utility model provides a light supplementing device special for facade cultivation, which can provide uniform and controllable artificial illumination for plants according to actual natural illumination conditions.

The utility model discloses a wedding dress fabric and a wedding dress. The wedding dress fabric comprises outer yarn and a plurality of decoration units fixedly arranged on the outer surface of the outer yarn. Each decoration unit comprises a flower-shaped part and filling pieces distributed on the periphery of the flower-shaped part. The filling piece is polygonal, one end of the filling piece is hung on the outer yarn, the other ends of the filling piece are free ends, and the outer surface of the filling piece is a reflective surface; due to the fact that the outer surface of the filling piece is the reflective face, dazzling light can be emitted through natural light irradiation on the outer surface of the filling piece, due to the fact that one end of the filling piece is hung on the outer yarn, the filling piece can shake along with floating of the outer yarn, the whole body is more natural, and the light emitted by the filling piece can shake along with shaking of the filling piece.

The invention discloses a field apple mobile grading detection system and method adapted to unstructured illumination, and relates to the technical field of agricultural intelligent equipment. The system comprises a mobile operation platform, an ambient light shielding module, a high-frequency pulse light supplementing array, a multi-mode imaging unit and an edge calculation controller. A semi-closed detection channel is constructed through the ambient light shielding module, and natural illumination interference is effectively suppressed by combining high-frequency pulse light supplement and nanosecond synchronous control of the imaging unit. RGB-D depth information is used for background elimination and mask mapping, and apple volume calculation, coloring grading and defect identification are realized by fusing multi-modal data. According to the invention, the problem of poor field in-situ detection stability in a natural light environment is solved, and efficient and accurate online grading of apples is realized.

The application relates to the technical field of aquaculture, and discloses a large-mouth black bass hatching method based on a factory-like circulating water aquaculture system, which comprises the following steps: step one, obtaining water temperature data of each region in a breeding pond where parent fish are put through multiple types of temperature sensors and presetting a natural light simulation period; step two, analyzing the activity of the parent fish in the natural light simulation period, obtaining the activity of the parent fish in the light period, obtaining the breeding behavior of the parent fish through the activity of the parent fish in the light period, and estimating the breeding proportion of the parent fish in the breeding pond according to the breeding behavior of the parent fish. The water temperature sensors are used for collecting the water temperature of each region in the breeding pond in real time, a light simulation period that is consistent with the natural rhythm is preset, the breeding behavior of the parent fish is identified and verified, and the influence weight of the water temperature on the breeding behavior and the influence of the light intensity and the activity of the parent fish are determined according to the water temperature deviation analysis.

This invention discloses a method for regulating the light environment to promote gonadal development in female Russian sturgeon, belonging to the field of aquaculture technology. By regulating light intensity and photoperiod during stages II and III of ovarian development in female Russian sturgeon, the gonadal development rate is accelerated; the daytime light intensity is 7.99±4.44 W / m². 2 / s, nighttime light intensity 4.42±0.95W / m 2 The light cycle is 18-24 hours of light followed by 0-6 hours of darkness, with artificial lighting for 4-6.3 hours, and a 24-hour cycle. By adjusting the intensity of natural daytime light and supplemental LED lighting at night, the light intensity and photocycle are modified to meet the light environment requirements of flow-through cultured female Russian sturgeon during gonadal development. This promotes the speed of gonadal development, increases the average egg diameter, reduces individual differences in gonadal development among female Russian sturgeon, and ultimately improves the productivity and economic benefits of aquaculture enterprises.

The invention provides a high-precision visual displacement monitoring method and system based on illumination intensity real-time compensation, and the method comprises the steps: synchronously collecting the image data of a target and the environment illumination intensity, and obtaining the current exposure time; extracting a circle center initial coordinate of the target from the image data; inputting the environment illumination intensity and the exposure time into a pre-trained compensation model, and calculating a current displacement compensation amount; correcting the initial coordinates of the circle center by using the current displacement compensation amount to obtain the final coordinates of the circle center of the target; according to the invention, the problems of large measurement error and poor stability of a traditional visual system in complex environments such as natural illumination change, day and night alternation and weather interference are effectively solved, and the environmental adaptability and reliability of the visual displacement monitoring system are remarkably improved; and long-term, continuous and high-precision displacement monitoring requirements of infrastructures such as reservoir dams, landslides, bridges, tunnels, road slopes and the like can be met.

The utility model discloses an indoor sunning device, and relates to the technical field of tea processing, the indoor sunning device comprises: a cabinet body, a containing cavity is formed in the cabinet body, and a plurality of exhaust holes are formed in the cavity wall of the containing cavity; a turnover mechanism, wherein the turnover mechanism is arranged in the cabinet body; and the blue light is arranged in the containing cavity in the length direction of the turnover mechanism and irradiates the turnover mechanism. The sunning device can be used indoors to finish sunning, the dependence on natural illumination is relieved, the sunning device is automatic, and the tea leaves are made into products with rich fragrance by means of automatically turning over the tea leaves and changing light rays of the sunning lamp.

The invention relates to the technical field of exhibition hall media control, discloses an exhibition hall media control system, and aims to solve the problems of single interaction, resource waste and high energy consumption of an existing system. The system comprises a sensing layer, a transmission layer, a processing layer, an application layer and a collaboration mechanism. Three-dimensional user portraits of identities, behaviors and interests are constructed based on multi-dimensional perception, personalized content pushing is achieved in combination with a collaborative filtering algorithm, cross-exhibition-area content connection and lamplight and sound equipment collaboration are triggered through UWB high-precision positioning, coherent immersive experience is provided for users, and the user experience is improved. Meanwhile, server computing power is dynamically distributed by utilizing an LSTM (Long Short Term Memory) people flow prediction model and edge computing, a core server and edge node computing power ratio is optimized at peak time, dormancy redundancy computing power is realized at low peak time, and multi-condition linkage low-carbon energy-saving logic can be constructed based on people flow density, natural illumination and equipment non-interaction duration, so that the comprehensive energy consumption of the system is reduced, and the energy-saving performance of the system is improved. And user experience interruption caused by energy saving is avoided through a quick wake-up mechanism.

The invention discloses an optical fiber type natural light illumination system for agriculture and light complementation application. The optical fiber type natural light illumination system comprises a bionic light energy collection layer, a light source layer and a light source layer, according to the intelligent light transmission layer, photosensitive liquid crystal adjusts the refractive index to optimize a light path according to light intensity data; when light attenuation of a main channel exceeds a threshold value, a standby channel is automatically switched, a shape memory alloy spring compensates temperature deformation, compressed air periodically cleans an optical fiber end face, optical fiber total reflection light is transmitted to the position below a photovoltaic panel, and then light below the panel is reflected to the ground and crops. According to the precise light regulation and control layer, a multispectral camera monitors crop canopy spectrum to generate a dynamic light formula, a photonic crystal filter decomposes wave bands, a micro-lens array is shaped into rectangular light spots, and surplus light energy is converted into electric energy to be used for power supply of agricultural monitoring equipment at night or emergency lighting in extreme weather. And the ecological collaboration layer is used for collecting environmental parameters and crop physiological indexes, calculating an optimal light intensity / spectrum and temperature and humidity threshold range, generating a differentiated regulation and control instruction and continuously monitoring a regulation and control effect.

This invention discloses a biomimetic solar light source device and control method. The method includes: S100, controlling the high color temperature lamp group, low color temperature lamp group, ultraviolet lamp group, and infrared lamp group as independent signal routes; S200, analyzing the laws of natural illumination and constant scene patterns, and decomposing the intensity of various lights; S300, setting a dynamic illumination intensity simulation mode for the light source module that changes over time according to the laws of natural illumination; S400, setting illumination intensity simulation modes for the light source module under various scene modes according to the laws of constant scene patterns; S500, automatically controlling the light source module to start the dynamic illumination intensity simulation mode according to the laws of natural illumination over time, dynamically simulating all-day sunlight; S600, when special scene illumination is required, manually adjusting the required special scene, and controlling the light source module to start the illumination intensity simulation mode under that scene mode. This simulates real sunlight, achieving the purpose of regulating the biological clock and metabolism, and ensuring the human body's physiological and psychological needs for sunlight.

The application discloses a low-illumination image enhancement method based on a deep perception multi-scale attention network, first, based on the Retinex theory, the input low-illumination image is decomposed to obtain the reflection component and the illumination component, and the geometric prior information is obtained. The multi-scale feature extraction and modulation mechanism is introduced to cooperatively model the local details, the structural information and the global illumination distribution under different receptive fields; the deep perception attention fusion module is designed to realize the effective fusion of the geometric structure constraint and the appearance information enhancement, and then the feature reconstruction is completed, and the enhanced high-quality image is output. Finally, through the image reconstruction module, the enhanced image with good structural consistency, clear details and natural illumination is generated. The application can effectively maintain the stability of the scene geometric structure in various low-illumination scenes, improve the image brightness and the visual quality, has good robustness and generalization ability while ensuring the enhancement performance, and is suitable for low-light visual perception and image processing related applications.

This invention presents a YOLO-based intelligent method for identifying high-altitude fall hazards in building safety, comprising the following steps: S1: Using a drone to collect images of urban and rural buildings under natural lighting conditions; S2: Building a YOLOv12-ANS target detection model, training it using the high-altitude fall risk dataset from step S1, and validating the performance metrics of the improved model using a test set; S3: Using the trained target detection model to detect whether there are high-altitude fall hazards in the building images captured by the drone; assessing the severity through function quantification; S4: Transmitting the relevant information on the severity to personnel for timely handling of existing safety risks. This invention combines drone-collected building facade images to accurately identify potential fall hazard sources such as rusted components, overhanging objects, and areas of detached building decorations, achieving early risk location, classification, and warning, and promoting the transformation of building surface safety monitoring from "passive investigation" to "proactive prevention."