308 results about "Light exposure" patented technology

A method for predicting risk exposure includes receiving a particular set of data acquired via a sensor. The method for predicting risk exposure further can include analyzing, via a machine learning (ML) model, the particular set of data. The analyzing can include determining that the particular set of data represents a particular light exposure pattern corresponding to a light exposure pattern correlated with a risk pattern. The ML model can be trained with a first set of data and a second set of data to identify a correlation between the light exposure pattern and the risk pattern. The method for predicting risk exposure also can include predicting a risk exposure for a user based on the particular set of data. The method for predicting risk exposure also can include providing a notice indicating the risk exposure.

The invention discloses an acer elegans cross breeding method based on flowering phase difference regulation and control, and belongs to the technical field of garden plant breeding. The method comprises the following steps: selecting an acer elegans variety of which the natural early flowering phase difference is greater than or equal to 10 days and the genetic distance is greater than or equal to 0.5 as a cross parent, carrying out low-temperature refrigeration and shading blue light supplementing treatment on a female parent to delay the flowering phase, and carrying out prolonged illumination, red light supplementing and hormone and nutrient solution spraying on a male parent to advance the flowering phase; male parent pollen is collected through a vacuum negative pressure adsorption device and stored in a closed container, a sucrose solution is sprayed to female parent stigmas before pollination, and repeated pollination is conducted through a directional nozzle at 9-11 o'clock every day; carrying out stratification treatment and temperature-difference temperature-control germination on the hybrid seeds, and carrying out light-temperature regulation and control seedling culture after sowing; the molecular marker is used for verifying the hybridization authenticity and target traits, phenotype determination is carried out on three-year-old seedlings to complete breeding, the hybridization obstacle caused by asynchronous flowering phases of the caenorhabditis elegans varieties is solved through the flowering phase regulation and control technology, and the hybridization success rate is increased.

The invention discloses a self-adaptive power generation optimization control system for a greenhouse photovoltaic ceiling, relates to the technical field of ceiling power generation control, and is used for solving the problem that photosynthetic efficiency and yield are affected due to the fact that crops are in a state of insufficient illumination or excessive illumination in a growth stage. The method comprises the following steps: calculating illumination deviation by combining an illumination demand library and an illumination sensor; judging an illumination level according to deviation and photosynthetic response characteristics; collecting a leaf potential and a transpiration rate to calculate photosynthetic efficiency; comprehensively judging whether to adjust the angle of a photovoltaic panel, outputting an execution instruction, setting different control mechanisms, and executing a balance optimization strategy when the power generation efficiency is high. And when the power generation efficiency is low, an intelligent switching strategy is executed, the productivity is preferentially improved, the crop illumination tolerance is considered, the angle is dynamically adjusted, collaborative optimization of agriculture and energy is realized, and the adaptability and the operation efficiency of the system are improved.

The invention relates to the technical field of intelligent illumination control, and discloses an intelligent enhancement method and system for the brightness of an LED light-emitting module, and the method comprises the steps: collecting environment illumination data and LED module operation state data, and carrying out the preprocessing; acquiring cultural relic material information, performing exhibit change detection, determining an illumination constraint threshold, calculating effective illumination and tracking accumulated exposure; determining an illumination safety boundary and dynamically modulating an LED spectrum; performing hierarchical coordination by adopting a three-layer game decision framework; a three-dimensional light field representation framework is constructed through audience behavior perception and visual attention prediction, and space illumination optimization is carried out; environment sudden changes and audience behaviors are detected, and quick response adjustment is executed; analyzing lighting space-time distribution characteristics, performing dynamic power distribution and generating an intelligent dimming curve; according to the invention, environmental perception, cultural relic protection constraint, light attenuation compensation, multi-module cooperation and intelligent decision can be comprehensively considered.

The invention relates to the technical field of image processing, and particularly provides an image processing method and device, equipment, a storage medium and a program product. The method comprises the following steps: acquiring original RAW domain images of different exposures of a current scene in a night scene mode; carrying out RGB domain reconstruction on the original RAW domain image based on the plurality of RAW domain channels, and determining a normalized fusion weight map; the normalized fusion weight map comprises a first normalized fusion weight map of a normal exposure image and a second normalized fusion weight map of a short exposure image; based on the first normalized fusion weight map and the second normalized fusion weight map, sequentially performing pyramid fusion and RAW domain reconstruction on the normal exposure image and the short exposure image on each RAW domain channel to obtain a reconstructed image of each RAW domain channel; and recombining the reconstructed images of the plurality of RAW domain channels to obtain a target RAW domain image of the current scene. According to the invention, more night scene image information can be reserved, the calculation efficiency is high, the fusion effect is more natural, and the quality of night scene photographing is improved.

The invention relates to an image acquisition method and device, equipment, a storage medium and a program product. The method comprises the following steps: determining brightness characteristics of a preview image displayed in a viewing frame of image acquisition equipment; inputting the brightness characteristics into an exposure compensation model to obtain a target compensation proportion; performing exposure compensation on exposure parameters of the image acquisition equipment according to the target compensation proportion; and in response to an image acquisition instruction, performing image acquisition on the preview image according to the exposure parameter after exposure compensation to obtain a target image. By adopting the method, the accuracy of the exposure quantity adopted during image acquisition can be improved, so that the adaptability of the brightness of the acquired image and the ambient brightness is improved, and the image quality is further improved.

A method for avoiding strong light irradiation of a low-orbit spacecraft comprises the steps that 1, a low-orbit satellite starts ground strong light detection according to task requirements, and obtained detection telemetry information is sent to an on-satellite processing unit in real time; 2, the on-satellite processing unit judges and detects the effectiveness of the telemetry information; 3, the on-satellite processing unit interprets strong light energy and azimuth vector information, and obtains the current task state of the satellite, the solar wing attitude pointing information and the optical load pointing information at the same time; 4, evaluating the energy intensity of the strong light, judging the damage capability to the optical load and the solar wing, and carrying out corresponding operation; 5, after autonomous attitude avoidance and optical load pointing adjustment are completed, whether the strong light energy is eliminated or not continues to be judged; and after the strong light irradiation threat is relieved, the satellite-borne processing unit receives a ground remote control instruction and starts a new task. According to the method, the low-orbit satellite can avoid the threat of strong light, and the current situation that the current satellite has no prevention and resistance capability in orbit is changed.

The invention discloses a self-adaptive illumination adjustment image measurement method, and belongs to the technical field of image measurement. According to the method, adaptive adjustment is carried out on hardware and a related algorithm simultaneously according to environment illumination changes, the exposure amount of an image is changed by adjusting the exposure time of a camera on the hardware, and exposure adjustment is used for ensuring that the gray level distribution of an image sequence obtained by the camera in an interested area is consistent with that of a reference image as much as possible in the measurement process. Exposure adjustment of a camera is global adjustment for an image, and overexposure or underexposure pixel points still possibly appear in a local area of the image. Therefore, an illumination robust digital image correlation algorithm is provided, the gray level distribution of the sub-regions is adjusted in real time during correlation calculation, the registration precision of the sub-regions is improved by removing saturated pixels in the sub-regions, the sizes of the sub-regions are adaptively adjusted according to illumination changes, it is ensured that the sub-regions contain enough and rich gray level information, and the registration precision of the sub-regions is improved. And the robustness of a related algorithm in suppressing illumination interference is improved.

The embodiment of the invention provides an automatic exposure control method and device and electronic equipment, and relates to the technical field of image processing. The method comprises the steps that when it is detected that the shooting environment of a first camera changes, the exposure parameter of the first camera is adjusted according to the first exposure adjustment amplitude, and the exposure parameter of a second camera is adjusted according to the second exposure adjustment amplitude; the second exposure adjustment amplitude is greater than the first exposure adjustment amplitude; when the brightness of a second image acquired by the second camera is in a second target brightness stable interval, determining a first exposure amount required by the first camera according to the brightness of the second image at the current moment and the exposure amount of the second camera; and according to the first exposure quantity, adjusting an exposure parameter of the first camera, so that the brightness of a first image acquired by the first camera is in a first target brightness stable interval. According to the technical scheme provided by the embodiment of the invention, the convergence speed of the exposure parameter of the first camera can be improved.

The invention provides an image automatic exposure method and device, a terminal and a storage medium. The image automatic exposure method comprises the following steps: acquiring a first image, a second image and exposure parameters of the first image and the second image; respectively carrying out a preset number of Gamma transformations on the first image and the second image to obtain a first type of images and a second type of images; determining brightness information entropies of the first type of images and the second type of images with the same transformation parameter and a first transformation parameter corresponding to the maximum brightness information entropy; determining a first update exposure based on the exposure parameter and the first transformation parameter of the first image, and determining a second update exposure based on the exposure parameter and the first transformation parameter of the second image; a joint exposure amount is determined based on the first updated exposure amount, the second updated exposure amount, a first brightness mean value of the first image, and a second brightness mean value of the second image. The method can improve the feature richness of input images of algorithms such as feature matching and depth estimation, and further improves the quality of the algorithms.

The application provides an outdoor tracking-based photobiomodulation method and device. The method comprises: determining effective outdoor time of a user according to collected light exposure data of the user; determining a light compensation level of the user according to the effective outdoor time and a target effective outdoor time; determining photobiomodulation parameters and simulated light compensation parameters according to the light compensation level; when the user is in a specified light compensation scene, outputting artificial light simulating outdoor natural light characteristics according to the simulated light compensation parameters; and performing photobiomodulation on the user according to the photobiomodulation parameters, preset wavelength red light and near-infrared light. The application can achieve the purpose of a comprehensive system that comprehensively simulates outdoor light environment characteristics and integrates photobiomodulation, and provides a more complete solution for myopia prevention and control.

This invention provides an intelligent wake-up method, an intelligent control system, an electronic device, and a storage medium. The intelligent control system includes at least a control module and an LED light panel. The LED light panel is equipped with an LED light source module. When the wake-up conditions are met, the control module controls the color temperature of the LED light source module to be equal to a color temperature threshold during the wake-up period. The color temperature threshold is configured based on color temperature-emotion evaluation data. During the wake-up period, the control module controls the output power of the LED light source module to change linearly with time, causing the illuminance of the LED light panel to change from dark to bright, simulating the sunrise process, thereby waking up the user. The difference between the integral of the LED light panel's illuminance over time and the eye exposure threshold is within a preset range. The eye exposure threshold is configured using eye exposure data, arousal evaluation data, and sleep quality data.

The utility model belongs to the technical field of agricultural planting, and particularly relates to an agricultural planting circulating type agricultural planting frame which comprises a shell and two planting frame bodies, an adjusting assembly is arranged in the shell, ejection assemblies are arranged in the two planting frame bodies, and through holes are formed in the ends, away from each other, of the two planting frame bodies; the adjusting assembly comprises a servo motor installed at the bottom end of the shell, an output shaft of the servo motor is provided with a driving bevel gear, two guide holes are formed in the bottom wall of an inner cavity of the shell, and guide blocks are slidably connected into the two guide holes. Through the arrangement of the adjusting assembly, the two planting frame bodies can be adjusted out of the outer side of the shell, so that illumination, watering and the like are facilitated, the planting frame bodies are contained in the shell, shading is facilitated, and the planting flexibility is improved; and through the arrangement of the ejection assembly, the plants planted in the planting frame body can be ejected out, so that the purpose of facilitating transplanting is achieved, and the planting flexibility is improved.

The invention relates to the technical field of defect detection, and discloses an automatic exposure method and system for an X-ray flaw detector, and the method comprises the steps: firstly obtaining a three-dimensional model of a workpiece, and calculating the equivalent thickness of the workpiece, the source image distance, the normal included angle of the inner wall, the directional attenuation of an X-ray source and other characteristic functions along with the change of a circumferential angle in combination with preset X-ray projection geometry; then obtaining a linear attenuation coefficient of the material under effective energy through energy calibration, and setting a target comparison noise ratio and a defect equivalent thickness at a reference angle to obtain a reference exposure; generating full circumferential target exposure distribution according to the physical function and the material parameters; finally, dispersing exposure distribution into a sector sequence, carrying out exposure measurement under the constraint of equipment and total exposure, calculating an actual contrast noise ratio of each sector, and comparing the actual contrast noise ratio with a threshold value, thereby quantitatively judging whether the workpiece has defects or not, and realizing high-precision and uniform-sensitivity X-ray defect detection on the circumferential weld.

The present invention employs a resist composition generating an acid upon light exposure, with the solubility of the resist composition in a developing solution being changed by an action of an acid, the resist composition comprising: a base material component (A), wherein the solubility of the base material component (A) in a developing solution is changed by an action of an acid; and a compound (B0) represented by general formula (b0). In general formula (b0), R01 and R02 are each independently a hydrocarbon group which may have a substituent. R01 and R02 may bind to each other to form a ring structure. Mm+ is an m-valent cation. The valence m is an integer of 1 or more.

The invention belongs to the technical field of unmanned aerial vehicle aerial photography, and particularly discloses an unmanned aerial vehicle aerial photography parameter dynamic optimization method based on an AI model, and the method comprises the following steps: obtaining a current waypoint coordinate and a photographing point coordinate of an unmanned aerial vehicle, and calculating the actual distances between the two, including a linear distance, a horizontal distance and a vertical distance; an input feature is constructed, the actual distance is combined with an environment feature and a target feature, the environment feature comprises illumination intensity and a weather type, and the target feature comprises a shooting target type and a target size ratio; processing the input features by using a pre-trained AI model, and outputting optimal zoom multiple, pan-tilt pitch angle and exposure parameters; and dynamically adjusting the aerial photography parameters of the unmanned aerial vehicle according to the optimal parameters. The unmanned aerial vehicle aerial image quality can be improved.

The objective is to provide a system that can identify the parameters necessary for development calculations, even when dealing with photosensitive resin compositions that are scattering materials. [Solution] A parameter search device comprising: an acquisition unit that acquires at least one measured value of information relating to the minimum exposure amount or curing rate at which the film thickness does not decrease by development, and information relating to the maximum exposure amount or curing rate at which the film is substantially removed by development, when a resin layer is exposed with stepwise exposure amounts or cured to a predetermined degree by said exposure and then developed under predetermined development conditions; and a search unit that uses the measured value to search for parameters relating to coefficients or constants of a development speed calculation model by inverse analysis.

The invention relates to the technical field of solar photovoltaic modules, and particularly discloses a process method for passivating and contacting an auxiliary battery at a module end. The process method comprises the following steps: after battery pieces are subjected to series welding, lamination and packaging to form a battery assembly, the battery assembly is placed in an environment box for illumination, the temperature is set to be 50-75 DEG C, the irradiance is 1000-1500 Wh / m < 2 >, the forward current is 2-5 A, and illumination is carried out for 1-4 h. Under the conditions of high irradiance, medium temperature and low current, the battery piece adopting the LECO technology has a good internal defect repairing effect, contact between a metal electrode and silicon can be optimized again, the FF value and the Voc value of the battery assembly are improved, and therefore the power of the battery assembly is remarkably increased; and the contact resistance and passivation effect can be optimized at the component end in an auxiliary manner, so that the component power is improved, novel equipment does not need to be added on a production line, and the production efficiency is not influenced.

An imaging apparatus has a plurality of cameras, each including: an imaging device in which unit pixels are periodically arranged, the unit pixels including high sensitivity sub-pixels that output a first output value for a certain exposure amount and low sensitivity sub-pixels that output a second output value lower than the first output value for a certain exposure amount; a composition section that selects and outputs an output of the high sensitivity sub-pixels and an output of the low sensitivity sub-pixels when the exposure amount is smaller or larger than the predetermined exposure value, respectively; and an amplification section that amplifies and outputs an output of the composition section, and so that image signals of the high and low sensitivity sub-pixels in the same predetermined exposure values become the same between the plurality of cameras, corrects the image signals of the high and low sensitivity sub-pixels.

Provided in some aspects are methods for light-controlled in situ surface patterning of a substrate. Compositions such as nucleic acid arrays produced by the methods are also disclosed. In some embodiments, a method disclosed herein comprises using photoresist for photocontrollable hybridization and / or ligation of nucleic acid molecules, wherein photoresist removal allows hybridization and / or ligation of nucleic acid molecules at the exposed area. A large diversity of barcodes can be created in molecules on the substrate via sequential rounds of light exposure, hybridization, and ligation.

A system (10) and method (70) for quantifying light exposure of a patient's retina (25) during an ophthalmic procedure. A light source (32) illuminates the patient's retina (25) with directional light (LL) during the procedure to generate an illuminated retinal surface. A camera (36) collects image data (38) of the illuminated retinal surface (25I). An electronic control unit (ECU) (50) in communication with the camera (36) and a pointing device (40) receives the image data (38), calculates a cumulative energy spectral density of the directional light (LL) incident on the retina (25), and performs a control action indicative of possible phototoxicity, including activating the pointing device (40) in response to the cumulative energy spectral density exceeding a phototoxicity threshold. The illuminated retinal surface (25I) may be divided into virtual zones (Z1, Z2) by the ECU (50) mapping the cumulative energy spectral density to the illuminated retinal surface (25I). Each of the optional zones (Z1, Z2) has a corresponding cumulative energy spectral density.

The present invention discloses an automatic monitoring and cleaning component for protecting microbial mineralization of soil slope, which relates to the technical field of soil slope, comprises a right box body and a left box body, wherein the left box body is fixedly mounted on the left outer wall of the right box body, and a mechanical arm is fixedly mounted on the top of the left box body in a ceiling-type manner, and the mechanical arm is rotatably mounted on the outer wall of the movable part of the left box body, and the rotating rod is rotatably mounted on the outside of the U-shaped rod, and the U-shaped rod passes through and is slidably mounted on the top of the connection between the left box body and the right box body. A vertical slide groove is provided on the inner wall of the left box body, and the cleaning plate and the soft brush can be driven by the rotating rod, the U-shaped rod, the elastic telescopic rod, the long rod and the connecting plate to clean the water droplets on the outer surface of the arc lampshade, thereby ensuring sufficient light exposure effect during the experiment, improving the experimental efficiency, promoting water flow through the auxiliary mechanism, having a diversion effect, and improving the subsequent cleaning efficiency.

A method for manufacturing a display apparatus having high display quality is provided. A method for manufacturing a display apparatus including first to third insulators, first and second conductors, and first and second EL layers is provided. The first conductor is formed over the first insulator, and the second insulator is formed over the first insulator and over the first conductor. A first opening portion reaching the first conductor is formed in the second insulator. A sacrificial layer is formed over the second insulator and over a bottom surface of the first opening portion, and a resist is applied over the sacrificial layer. Light exposure and development are performed on the resist, so that a second opening portion reaching the sacrificial layer is formed in a region overlapping with the first conductor. A third opening portion is formed in a region of a bottom surface of the second opening portion, and the first EL layer is formed over the resist, over the sacrificial layer, and over the first conductor. Then, the resist and the sacrificial layer are removed, whereby the first EL layer over the resist and over the sacrificial layer is removed. The second EL layer is formed over the first EL layer and over the second insulator, and the second conductor and the third insulator are formed in order over the second EL layer.

The invention relates to the technical field of bioengineering, in particular to a method for promoting high yield of cordyceps militaris sporocarp and application of the method. The invention provides a method for promoting high yield of cordyceps militaris sporocarps, which comprises the following steps of: in a cordyceps militaris mycelium culture stage, spraying hydrophobin CmHYD1 on the surface of a culture medium or mycelium after mycelium is subjected to mycelium stimulation treatment under light. According to the method, hydrophobin CmHYD1 with a specific concentration is exogenously sprayed, so that the growth and development of cordyceps militaris sporocarps can be remarkably promoted, and the yield is effectively increased. Experimental data show that when 400 g of CmHYD1 is sprayed, the number of entities in a single bottle of cordyceps militaris is increased by 231.07% compared with that of a control group, the yield and the biological conversion rate are also synchronously increased by 72.70%, and it is proved that the method can achieve high yield of cordyceps militaris by remarkably increasing the number of the fruiting bodies.

To improve image quality in a solid-state imaging element that simultaneously performs exposure in all pixels.The solid-state imaging element includes a predetermined number of capacitive elements, a pre-stage circuit, a selection circuit, a post-stage circuit, and a vertical scanning circuit. The pre-stage circuit generates a predetermined reset level and a signal level corresponding to an exposure amount, and causes each of the capacitive elements to hold a corresponding one of the reset level and the signal level. In the selection circuit, a selection transistor that opens and closes a path between one end of each capacitive element and a predetermined node is arranged. The post-stage circuit sequentially reads the reset level and the signal level via the node. The vertical scanning circuit performs control to lower the potential of the one end when the reset level and the signal level are held.

The invention discloses haemostatic and anti-infection bifunctional algal glue and a preparation method thereof. The phycocolloid is prepared from phycocyanin, sodium alginate, polydopamine-piperidine nanoparticles, calcium chloride and water / ethanol. The preparation method comprises the following steps: reacting 2, 2, 6, 6-tetramethylpiperidine oxide with dopamine hydrochloride to prepare polydopamine-piperidine nanoparticles; the preparation method comprises the following steps: fully dissolving phycocyanin, sodium alginate and polydopamine-piperidine nanoparticles in a water / ethanol mixed solution; and adding an isometric calcium chloride aqueous solution, and stirring at room temperature to prepare the haemostatic and anti-infection bifunctional algal glue. The ratio of phycocyanin to sodium alginate is adjusted, the phycocyanin accounts for 1%-10% by weight, the sodium alginate accounts for 1%-5% by weight, different rheological properties and shape maintenance properties are obtained, the content of the nano polydopamine-piperidine compound is adjusted, the weight fraction is 0.1%-0.5%, the photo-thermal sterilization performance is obtained, and the photo-thermal sterilization effect is good. Therefore, the problem of repeated wound infection can be solved only through illumination.

The video creation method includes a setting step of setting, in an imaging region of a first video having a first angle of view, regions having a second angle of view smaller than the first angle of view, a selection step of selecting a selection region which is an imaging region of a recorded video from among the regions, a switching step of reselecting the selection region from among the regions to switch the selection region after the selection step, a first recording step of recording a video of the selection region in a first period, in which the first recording step is executed between a time when the switching step is executed and a time when the first period elapses, a second recording step of recording a video of the selection region in a second period other than the first period, in which the second recording step is executed the second period, and an adjustment step of adjusting at least one condition of an exposure amount of the selection region, white balance of the video of the selection region, or focus of the imaging lens in each of the first period and the second period, where in the adjustment step executed in the first period, an adjustment speed of the condition is faster than in the adjustment step executed in the second period.

The invention relates to a green building curtain wall and a mounting method thereof, and relates to the technical field of green curtain walls, the green building curtain wall comprises a wall body and a planting device, the planting device comprises a plurality of first carriers in a horizontal state, and each first carrier is rotatably provided with a plurality of first carriers; the second carrier is connected with the plurality of first carriers; the driving mechanism controls and drives the trays to rotate or stop according to the time and the illumination intensity; and the water adding assembly is used for detecting moisture in the potted plants, adding water to the potted plants at proper time and rotating the potted plants during water adding. The driving mechanism is controlled through time and illumination intensity, so that rotation of the tray changes along with change of the illumination intensity, and the tray stops rotating when illumination is finished, so that the risk that multiple structures of the driving mechanism and the tray are damaged can be reduced while uniform illumination of potted plants is met; and the growth effect of green plants and the stability of the curtain wall are improved.

The application discloses an image exposure quantification method and an electronic device, and relates to the technical field of image processing, and comprises: acquiring an input image. Wherein, the input image comprises one or more images to be subjected to exposure quantification. The input image is input into a picture-text contrast model to obtain a semantic similarity value of the input image and a preset prompt word. Wherein, the preset prompt word comprises one or more description fields representing exposure states. Based on the semantic similarity value of the input image corresponding to the preset prompt word, an exposure quantification label of the input image is determined. Wherein, the exposure quantification label is used to represent that the input image is an underexposed image, a normally exposed image or an overexposed image. In the scheme, the picture-text contrast model can learn the semantic relationship between the preset prompt word (text) and the image, so as to obtain the semantic similarity value of the image and the preset prompt word. The exposure state label of the image based on the semantic similarity value is objective and accurate.

To provide a method for determining surface roughness of a specimen surface, a computer program product, a data processing system, and a specimen processing system.SOLUTION: The method includes a step of acquiring multiple measurement data. Each one of the measurement data indicates a surface topology of the specimen surface on the basis of an optical three-dimensional measurement of the specimen surface by an image sensor. Each one of the measurement data is associated with a different brightness level of a light source illuminating the specimen surface or with a different exposure of the image sensor. The method further includes the steps of: acquiring first calculated data indicating surface roughness of the specimen surface for each one of the measurement data; and determining second calculated data indicating the surface roughness of the specimen surface for all measurement data on the basis of the first calculated data.SELECTED DRAWING: None