63 results about "Lux" patented technology

The invention provides an intelligent blind person navigation system, and relates to the technical field of intelligent wearable blind person navigation, the intelligent blind person navigation system comprises a multi-mode sensing unit, an A I decision center, a bidirectional feedback module and an emergency response system.According to the intelligent blind person navigation system, through a three-layer sensing architecture of a dual-light fusion camera, a laser radar and an ultrasonic array, 94% of obstacle detection rate is still kept under 5lux low illumination, and the blind person navigation efficiency is improved. And the effective detection distance reaches 8 meters. The semantic segmentation algorithm enables the detection rate of the suspended obstacle to rise from 12% to 92%, and the recognition error of the glass door in the underground garage scene is only 2.1 cm. And a multi-sensor space-time alignment technology is adopted, so that the false alarm rate in a complex scene is reduced from 25% to 3.2%, and all-weather and full-height accurate sensing of obstacles is realized. A biological characteristic + environmental risk multi-stage triggering mechanism is adopted, automatic alarming and shared positioning are performed within 2.1 seconds when a user falls down, and the success rate of rescue for falling down of the underground garage is increased from 62% to 100%. An environment video with positioning is automatically recorded without operation timeout, and a'prevention-early warning-rescue 'closed-loop safety net is constructed.

The invention discloses an automobile cabin software control method and system based on multi-mode interaction, and relates to the field of multi-mode data, and the method comprises the steps: S1, multi-source signal synchronous collection and timestamp calibration; a user voice instruction, a gesture track and eye fixation point information are collected in real time through a distributed sensor array; according to sensor data, a three-level synchronization architecture is combined with a PTP precise time protocol to achieve microsecond-level clock synchronization, a unified time service timestamp is embedded in a data packet header, and the timestamp error is controlled within + / -0.5 ms; s2, dynamic environment interference compensation; the method comprises the following steps: constructing an environmental noise perception model; the construction of the environmental noise perception model comprises the following steps: starting a regional strong light suppression algorithm for a strong light scene with the illumination intensity greater than 10,000 lux; activating a motion compensation module for a bumpy scene with a vertical acceleration greater than 0.3 g, and outputting an environment compensation multi-modal data stream; s3, analyzing time-space association semantics; and S4, confidence decision and instruction execution.

The invention belongs to the technical field of optical imaging and automatic detection, and particularly relates to a multispectral polarization imaging automatic scanning system. According to the system, through combination of multispectral polarization imaging and an AI algorithm, rapid positioning and classification of a target are realized, and the precision and efficiency of trace detection and material evidence identification are improved on the premise that a sample is not damaged. The multispectral polarization imaging automatic scanning system comprises a single-axis detachable slide rail, a polarization camera, a multispectral light source module, a small darkroom with an open bottom, a control panel and a main control computer. The two ends of the single-axis detachable sliding rail are supported by the adjustable tripod, the portable small darkroom is fixed below the movable end of the sliding rail through mechanical connection, the polarization camera and the multispectral light source are installed in the darkroom, and the darkroom is driven by the stepping motor to conduct single-axis scanning motion. The multispectral light source module supports switching of more than six wave bands within the wave band of 450-950 nm, wave band switching can be completed within 5 ms, and stable illumination intensity (0-500 lux) is provided. The process provided by the invention comprises the steps of equipment deployment, scanning path configuration, light source regulation and control, image acquisition, data analysis and the like, and a high-precision detection report can be quickly generated in various scenes. Through cooperative work of the control panel and the main control computer, the system realizes automatic image acquisition, target detection and report generation, is widely applied to the fields of trace detection, material evidence identification, industrial quality inspection and the like, and has the characteristics of automation, high efficiency and high precision.

Lighting system having visible-light source including semiconductor light-emitting devices arranged for generating plurality of visible-light emissions having range of color points including cool to very cool white color point for daytime and warm to very warm white color point for nighttime. Optical system arranged for causing some visible-light emissions to have range of beam widths including relatively wide and narrow beam widths. Mounting system causing range of beam directions. Control system causing visible-light emissions to include daytime configuration having cool to very cool white color point and relatively wide beam width, and nighttime configuration having warm to very warm white color point and relatively narrow beam width. Daytime configuration includes control system for causing visible-light emissions to include lateral- or up-light emissions, promoting relatively high equivalent melanopic lux. Nighttime configuration includes control system for causing visible-light emissions to include down-light emissions promoting relatively low equivalent melanopic lux.

An electronic device, method, and computer program product enables 2D camera capture of a facial image for login authentication while the device is in a dark environment. The method includes detecting an unlock trigger event while the device is in a locked state, and detecting, using a light sensor, a LUX value of ambient light in a space around the electronic device. In response to the LUX value of ambient light being below a threshold LUX value required to support 2D facial recognition, a light source of the device is activated to project light into the field of view of a camera of the device, to increase the LUX value of light detectable from an image captured within the camera's field of view. The camera is activated to capture the image, and the electronic device is unlocked, in response to the captured image matching a stored authentication image.

1. Name of the product in this design: Channel Light (LUX-550). 2. Purpose of this design: for channel lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The right view is symmetrical to the left view, so the right view is omitted.

This invention discloses a method for cultivating Spirulina, relating to the field of microalgae biotechnology, aiming to overcome the shortcomings of existing technologies in terms of low Spirulina biomass yield and protein content. The method includes: in a first cultivation stage, inoculating Spirulina into a basal culture medium and conducting photoautotrophic cultivation at a light intensity of 5000-10000 lux until the optical density (OD560) reaches 0.6-0.8; in a second cultivation stage, reducing the light intensity to 1000-3000 lux and adding calcium alginate-encapsulated sodium bicarbonate microspheres, cultivating until the algal cell dry weight reaches 1.5-2.0 g / L; in a third cultivation stage, increasing the light intensity to 8000-12000 lux and adding sodium nitrate slow-release granules supported on anion exchange resin. This invention can achieve a synergistic increase in Spirulina biomass dry weight and protein content.

The invention discloses a multi-target collaborative optimization regulation and control method and system for a photovoltaic sunshade curtain wall, and relates to the technical field of optimization regulation and control, and the method comprises the steps: collecting an outdoor radiation intensity parameter RAD, a wind speed parameter WND, an indoor illumination parameter LUX and a personnel existence signal PER in real time through a sensing module; mode switching is carried out according to the personnel existence signal PER and the sunshine intensity parameter RAD, and when it is detected that personnel exist and the radiation intensity is higher than a sunshine threshold value, a comfortable mode is entered; multi-source parameters of the exterior of the curtain wall and the indoor environment are collected in real time and subjected to fusion analysis through the sensing collection module, dynamic monitoring and feedback control over a radiation intensity parameter RAD, a wind speed parameter WND, an illumination parameter LUX and a personnel existence signal PER are achieved, and a comfortable mode, an energy-saving mode and a power generation mode are switched under different working conditions; the system can guarantee the comfort of the indoor light environment, and achieves the cooperative improvement of the photovoltaic power generation efficiency and the energy utilization rate.

The invention relates to the technical field of virtual reality, in particular to an all-true virtual reality virtual-real fusion method and system, and millimeter-level virtual-real fusion is realized through light field reconstruction, algorithm dimension raising and space programming. Light field reconstruction adopts a 6500K spectrum matrix and a P0.9-P2.5 LED array to construct a three-order framework, and 0.1 mm positioning precision and 18KHDR rendering are realized in combination with a 200-point / cm < 2 > laser grid and a 1000Hz TOF array; in algorithm dimension raising, SE (3) manifold optimization is utilized to control the 6DoF pose error to be + / -0.03 degrees, 4K-18K super-division (the information amount is increased by 5.2 times) is achieved through a GAN network, and a material sensing engine simulates 87 types of surface characteristics (the reflectivity error is smaller than or equal to 0.8%); the distortion rate of space programming is reduced from 2.1% to 0.05% based on an SIGGRAPH2024 algorithm, 5.7 m < 2 > / second modeling is realized through three-level computing power scheduling, and delta Elt under 105lux is ensured through 1269 color block light field compensation; and 1.2. The system supports 3.2 TB / min VR content conversion, adapts to 23 types of special-shaped screens, and solves the problems of insufficient precision and poor environmental adaptability of traditional VR.

This invention discloses a device for detecting the sensitivity of an endoscopic imaging system, comprising a device body with an inlet and at least one outlet. An endoscope mounting component is disposed on the outlet. The device body is configured to attenuate the illuminance of the light beam entering through the inlet, and the mounting component is configured to further attenuate the illuminance of the light beam exiting through the outlet. The beneficial effects of this invention are that, through layered attenuation, the final illuminance entering the endoscope can be reduced to below 3 Lux. Furthermore, even below 3 Lux, the aperture size of the endoscope mount can be freely adjusted, and attenuation plates can be added to further reduce the illuminance. In addition, this device has a simple structure, low cost, and is easy to operate. The operator can directly test the device by simply attaching the light source output end and the endoscope interface, without complex adjustments or installations, saving time and effort.

The invention relates to the technical field of sliding table testing, in particular to a three-axis sliding table automatic testing system and method, electronic equipment and a storage medium. The system has the advantages that the Python script is integrated with the mechanical sliding table control module, the image recognition module and the report generation module, full-closed-loop automatic testing from button pressing to result analysis is achieved, and manual operation errors are eliminated. Compared with a traditional manual method, the test efficiency is improved by more than 80%, the single test period is shortened from 8 seconds to 1.5 seconds, the method is particularly suitable for a ten thousand secondary service life test scene, the labor cost is remarkably reduced, full-process automation and test efficiency improvement are achieved, and the consistency of pressing actions is ensured by combining a dynamic G code generation technology with pressure sensor feedback; through the multi-scale SSIM algorithm and histogram equalization processing, the identification accuracy of 98% is still kept when the illumination change is + / -500 lux, the problem of misjudgment caused by ambient light interference in a traditional method is solved, and the high-precision control and environment anti-interference capability is improved.

A colorized retroreflective material includes a retroreflective material defining a retroreflective material surface; a silane-free light transmitting colorizing layer disposed on the retroreflective material surface, the silane-free light transmitting colorizing layer defining a colorizing surface; and a transparent layer disposed on the colorizing surface; where the colorized retroreflective material provides a reflectivity of more than 150 cd / lux / m2.

An imaging device may comprise an optical lens; a sensor configured to convert light into one or more digital signals; a processor; and a non-transitory, processor-readable storage medium, the non-transitory, processor-readable storage medium comprising one or more programming instructions that, when executed, cause the processor to: determine a tonal distribution of luminescence and an average luminescence for the one or more digital signals, assign one or more RGB values to the tonal distribution upon determining that the average luminescence of the tonal distribution is between 0.001 lux and 100 lux, assign one or more saturation values to the tonal distribution upon determining that the average luminescence of the tonal distribution is between 0.001 lux and 100 lux, transform the tonal distribution utilizing a first gain control, the first gain control bound by a first lux to gain ratio, and convert the transformed tonal distribution into a digital image.

The invention discloses a multi-environment element image generation method based on a differentiable histogram, and belongs to the crossing field of computer vision and generative models. According to the method, a differentiable histogram loss function is innovatively constructed in a YUV space, histogram micronization is realized through kernel density estimation, color distribution is constrained in combination with EMD distance and mutual information loss, and the problem of brightness-chromaticity coupling distortion of a traditional RGB space is solved. The PSNR index of the method is only reduced by 3.2%, which shows that the adaptive capacity of the method to unknown scenes is obviously enhanced. Meanwhile, the robustness of the method in an extreme environment is also obviously improved, when illumination is increased from 40 Lux to 2240 Lux, the error rate of the method is only less than 5%, while the error rate of a traditional method is larger than 25%, and when PM2.5 is increased from 7 to 42, the error rate of the method is only less than 8%, but the error rate of the traditional method reaches 30% or above.

A display comprising: (a) a plurality of pixels, each pixel comprising at least one tunable light emitter to emit tuned light in at least two modes, a low equivalent melanopic lux (EML) mode and a high EML mode, wherein said tuned light in either said low EML mode or said high EML mode spans substantially the visible light range; and (b) circuitry to drive said at least one tunable light emitter in said at least two modes.

The invention discloses a machine vision monitoring device for detecting abnormal behaviors of old people, which comprises a protective mounting shell, a control assembly is fixedly mounted on the back of the protective mounting shell, a dynamic camera is fixedly mounted on one side of the protective mounting shell, and supporting plates are fixedly mounted on two sides of the bottom of the protective mounting shell; the old people are monitored through the dynamic camera, the dynamic camera supports the 0.01 lux low-illumination environment, a privacy shielding algorithm is built in, the main activity range of the old people can be covered, it is ensured that behavior images of the old people are comprehensively captured, the dynamic camera supports the infrared night vision function, images can be clearly shot even in the environment with dark light, and the user experience is improved. And the millimeter-wave radar instrument is used for detecting static tumble and monitoring vital signs, an efficient, reliable and privacy-respecting solution is provided for safety monitoring of old people through deep integration of machine vision and an artificial intelligence technology, and remarkable social benefits and market potential are achieved.

An electronicdevice, method, and computer program productenables 2D camera capture of a facial image for login authentication while the device is in a dark environment. The method includes detecting an unlock trigger event while the device is in a locked state, and detecting, using a light sensor, a LUX value of ambient light in a space around the electronic device. In response to the LUX value of ambient light being below a threshold LUX value requiredto support 2D facial recognition, a light source of the device is activated to project light into the field of view of a camera of the device, to increase the LUX value of light detectable from an image captured within the camera's field of view. The camera is activated to capture the image, and the electronic device is unlocked, in response to the captured image matching a stored authentication image.

The invention discloses a method for improving face recognition accuracy in a low-light-source environment, belongs to the field of robot vision and biological feature recognition, and solves the problems of low accuracy, poor interference resistance and weak generalization in the prior art. According to the core scheme, ambient light data is collected through a spectrum sensor, an optimal narrow-band light parameter is calculated and directionally emitted, and a high-signal-to-noise-ratio face image is collected by combining a wave band matching sensor; using an improved multi-scale sparse dictionary learning algorithm to enhance details and suppress noise; and finally, extracting features through a frequency domain-spatial domain double-branch attention network to complete recognition. Through the collaborative design of physical light modulation and algorithm optimization, the recognition accuracy under the environment of less than or equal to 50 lux is improved, the adaptability and generalization are excellent, devices are mature and easy to engineer, and the method can be widely applied to service, security and protection robots and other equipment.

The invention relates to the technical field of photovoltaic module detection, in particular to a photovoltaic cell defect detection device and detection method of a BC process. The high-precision optical module is composed of a camera, a polarization filter set and a single-hole area light source, the polarization filter set restrains back electrode metal reflection interference at a filtering angle of 45 + / -5 degrees, and the continuous adjustable range of the brightness of the single-hole area light source is 0-5000 Lux; the deep learning and morphology fusion module is used for integrating an improved YOLOv5 model and a Halcon multistage morphology processing unit, the YOLOv5 model is used for embedding an EMA attention mechanism in a neck network, and a Crafe up-sampling operator is used for replacing a traditional interpolation layer; and the dynamic optimization module is used for dynamically adjusting a defect judgment threshold value based on the coating thickness uniformity data obtained by the MES, and optimizing a smoothing factor parameter of an EMA attention mechanism in real time through an edge computing node. According to the scheme, complex reflection interference of the back contact structure can be solved.

A deployable multiple lighting system for residential and commercial interior photography and method thereof are disclosed. System and method include the use of multiple-off camera, synced, battery operated flashes mounted to adjustable height light stands to photograph a residential or building interior, thereby creating a desirable look providing consistent, natural-looking diffused lighting within the space and between various areas and rooms where measurements of light (e.g., Kelvin and Lux) change dramatically.

An automated light rigging system (ALRS) that adjusts, or creates, light rigs that more accurately causes lighting from light rigs and light objects to conform to, or more closely conform with, target lux values of a target lux map for one or more regions of a virtual interactive environment. The ALRS can receive light rig data to sample lux values of the virtual interactive environment to determine where a loss or discrepancy of luminance occurs among the virtual interactive environment, based at least in part on a target lux map.

The present application belongs to the field of bioengineering, and particularly relates to a method for controlling pests in an open culture system of microalgae based on light-induced coupling electric inhibition. The main steps are as follows: a light irradiation device and a high-voltage discharge device are arranged on one side of a raceway pond; first, light-induced treatment is performed, and the raceway pond is irradiated at the same time, the irradiated light at the left curve and the right curve is blue light with an intensity of 1500-2000 Lux; the irradiated light at the upper raceway and the lower raceway is red light with an intensity of 1000-2000 Lux; so as to attract rotifers to the left curve and the right curve to form rotifer aggregation areas; then, the rotifer aggregation areas at the left curve and the right curve are subjected to electric shock treatment; the present application can kill rotifers while protecting the survival of algae as much as possible, and can effectively remove most of the pest pollution through the combined regulation of light induction and high-voltage discharge, so as to ensure that the growth of microalgae biomass and the accumulation of bioactive substances are less affected, and the application prospect is wide.

The present application relates to the technical field of indoor lighting, and relates to an indoor light therapy method based on dynamic balance of natural light and artificial lighting, which comprises the following steps: S1: predicting the values of each coefficient in the annual coefficient library-II at each time point in the day in a year based on a BP neural network; S2: calculating the values of each coefficient in the annual coefficient library-I at each time point in the day in a year based on a polynomial function group and in combination with each coefficient in the predicted annual coefficient library-II; S3: obtaining the pupil illuminance distribution of the indoor at each time point in the day in a year based on a polynomial function and in combination with each coefficient in the annual coefficient library-I; and S4: selecting an artificial light supplement scheme from a light supplement library based on a genetic algorithm and taking 1000-2000 lux as the indoor illuminance target range, so as to realize dynamic light supplement in a year. The present application can preferably realize indoor light therapy.

The application discloses a preparation method of MOFs-Co induced derivative Co-doped C3N5 photocatalytic material and application of the material in photocatalytic degradation of antibiotics in cooperation with persulfate. The material is synthesized by a solvothermal method and a calcination method, a double-layer nitrogen body of MOFs-Co ligand skeleton and C3N5 nitrogen-rich precursor is co-derived to form a MOFs-Co-C3N5 photocatalyst with good Co dispersity, active sites are provided for PMS activation, and the double-layer nitrogen structure can improve the stability of the catalyst. The band gap of the MOFs-Co induced derivative Co-doped C3N5 is as low as 1.22 eV, and the recombination rate of photo-generated electrons and holes is significantly reduced. Under the condition of a 50 W LED white light source with a wavelength range of 400 nm to 830 nm and light intensity controlled at 10000 Lux, when the material dosage is 0.6 g / L and the PMS dosage is 0.5 mM, 30 mg / L of antibiotics can be completely degraded in 6 min. Therefore, the photocatalyst can effectively activate PMS under visible light irradiation, rapidly degrade organic pollutants, and has a wide application prospect.

The application discloses a kind of based on AR-HUD's anti-car-sickness method, device, equipment and storage medium, it is related to the technical field of vehicle;A kind of based on AR-HUD's anti-car-sickness method includes: obtaining initial ambient light intensity and AR picture display state;If the initial ambient light intensity is greater than or equal to 5000 lux, and the AR picture display state is non strong light state, according to the AR picture display state, AR picture parameter is adjusted to high;If the initial ambient light intensity is less than or equal to 1000 lux, and the AR picture display state is non weak light state, according to the AR picture display state and the initial ambient light intensity, AR picture parameter is adjusted to low.In strong light state, the brightness of AR picture reaches higher brightness, and contrast ratio and saturation degree all need to reach higher proportion, in weak light state, the brightness of AR picture reaches lower brightness, and contrast ratio and saturation degree all need to reach lower proportion, so that adjusted AR picture can be adapted to the environment where vehicle is located, reduce the probability of user car sickness.

1. Name of the product in this design: Channel Light (LUX-400). 2. Purpose of this design: for channel lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The right view is symmetrical to the left view, so the right view is omitted.

The invention discloses a method for improving the yield of astaxanthin synthesized by microorganisms through double-stage regulation and control by utilizing red / blue light illumination. Red light (RGB: 255, 0, 0) and blue light (RGB: 0, 0, 255) are selected as illumination sources, the illumination intensity of the red light is 1500-2000 Lux, and the illumination intensity of the blue light is 2500-3000 Lux. Red light irradiation is started for two days on the first day of phaffia rhodozyma fermentation, blue light is converted into blue light on the third day of fermentation, and after illumination is conducted for five days, the content and yield of astaxanthin are increased by 176.33% and 151.78% respectively. The research provides a simple and economic regulation and control method for efficient synthesis of astaxanthin from phaffia rhodozyma.

The invention relates to a dredged soil precipitation characteristic measuring device based on illumination. Comprising a light-proof camera obscura, the right side of the light-proof camera obscura is open, an LED lighting source is installed on the left portion of an inner cavity of the light-proof camera obscura, and a plurality of light-proof partition plates which are longitudinally arranged at equal intervals are arranged on the right portion of the inner cavity of the light-proof camera obscura from top to bottom; a cuboid-shaped glass measuring cylinder with an opening in the top is placed in front of the light-proof dark box, light-proof films are arranged on the front wall and the rear wall of the glass measuring cylinder, light-transmitting cloth is arranged on the right side wall of the glass measuring cylinder, a plurality of dividing lines are arranged on the light-transmitting cloth from top to bottom, and the dividing lines transversely face the light-proof partition plates; the device further comprises a light-proof top plate assembly, the light-proof top plate assembly comprises a top plate, and the top plate is flush with the upper edge of the light-proof pasting film when placed in the inner cavity of the glass measuring cylinder. And an illuminometer is also included. The invention further relates to a measuring method. The sediment characteristic index of the dredged soil can be conveniently and effectively measured, and a basis is provided for effectively predicting the loading production efficiency of the trailing suction dredger.

The invention discloses an illumination control illumination and color temperature gear design method and an interaction system. Accurate and visual illumination management is realized through an elastic grading framework and a semantic naming rule. The core scheme is as follows: 1) a grading rule: dividing illumination into 4-12 grades (for example, the illumination is 50-1000lux in the fifth grade), dividing color temperature into 4-12 grades (for example, the color temperature is 2700-6500K in the fifth grade), 0-12 interpolations are supported among the grades, and the interpolation naming adopts'low grade name + difference value 'or direct numerical value labeling; 2) difference value binding: forcibly adopting adjacent low-grade names and difference values for color temperature values which are not matched with standard grades, wherein illumination grade names need to be in semantic association with illumination effects; the physical panel, the voice instruction and the software interface share the same grading logic and support combined adjustment, and the AI algorithm is combined to achieve grading parameter adaptive optimizing.According to the method, the problems that a traditional lighting system is complex in interaction and poor in adaptability are solved, and the method can be widely applied to intelligent home, business and industrial lighting scenes.

The invention discloses a rhythm biological rhythm phototherapy lamp capable of effectively delaying eye axis growth and preventing and controlling myopia, and belongs to the technical field of vision prevention and control. The problem that in the prior art, a traditional eye protection lamp cannot effectively delay eye axis growth is solved. The 240W power is mainly utilized to improve the illumination intensity, meanwhile, a functional full spectrum, namely 400 nm to 680 nm, is matched, has low blue light and high red light, is continuous and full in spectrum, can form longitudinal chromatic aberration, makes imaging advance to form myopia defocus, meanwhile, designs 24-hour circadian rhythm change and dynamic light change, and is provided with a mobile phone intelligent program to be connected with the system, and the system is simple in structure, convenient to operate and high in practicability. The illumination intensity, the color temperature and the dynamic light change of the device are modified according to the requirements of doctors, so that the purpose of phototherapy is achieved. The 240W lamp holder is used for emitting light up and down, the upper light emitting power is 80W, the lower light emitting power is 160W, the desktop illumination can reach 10000 lux, and retina can secrete dopamine to achieve the purposes of delaying the ocular axis and controlling myopia.