74 results about "Light-adapted" patented technology

The invention relates to the technical field of light attenuation compensation control, in particular to an automatic light source control method and system. The method comprises the following steps: acquiring historical light source operation state parameters, performing long-time-sequence operation state change evolution, and constructing a long-time-sequence light source state change curve; performing nonlinear light source attenuation analysis and multi-period light source attenuation evolution on the long-time sequence light source state change curve to construct a light source attenuation evolution model; acquiring real-time light source operation state monitoring parameters and environment illumination signals; inputting into a light source attenuation evolution model, and carrying out light source attenuation evolution simulation to obtain a light source attenuation gradient situation; and acquiring real-time working current and voltage parameters of the automatic light source, and performing adaptive light attenuation compensation optimization based on the attenuation gradient situation of the light source so as to generate an adaptive light attenuation compensation optimization engine. According to the invention, the accuracy and effect of overall compensation control of light attenuation of the light source are improved.

The invention relates to the technical field of virtual modeling, in particular to a lamp arrangement method and system based on virtual modeling and a medium. The method comprises the following steps: obtaining dynamic monitoring data of a target space, wherein the dynamic monitoring data comprises real-time illumination intensity data, people flow density data and ambient light change data; performing prediction modeling on the illumination demand of the target space according to the dynamic monitoring data to obtain illumination demand prediction data including expected illumination requirements and light distribution characteristics in different time periods; the adaptive light propagation grid is constructed in the digital twinborn space based on the illumination demand prediction data, grid division data are obtained, and the adaptive light propagation grid has high grid density in a region with severe illumination change and low grid density in a region with smooth illumination change. According to the method, comprehensive illumination analysis and evaluation can be carried out in the initial stage of design, and blindness and low efficiency in a traditional design method are avoided.

The invention discloses a laser amplifier based on wavefront distortion correction, which relates to the technical field of lasers and comprises a laser source, a gain medium, a wavefront sensor, a self-adaptive optical wavefront correction module and a feedback control system. The laser beam amplified by the gain medium is output through the second optical coupler, the wavefront sensor is connected with the output end of the gain medium, and the feedback control system is connected with the wavefront sensor and the adaptive optical wavefront correction module through a data bus and automatically generates a correction signal according to wavefront distortion data. The feedback control system is installed, the function of adjusting and correcting parameters in real time based on wavefront distortion is achieved, the problem that wavefront distortion caused by optical system errors or environment disturbance is difficult to monitor and correct in real time through a traditional laser amplifier is solved, the focusing performance and transmission efficiency of laser beams are improved, and the laser amplifier has a wide application prospect. And stable and high-quality light beam output is maintained.

The invention provides an intelligent adaptive light adjustment method and device for AR glasses and electronic equipment, and relates to the field of data processing. The method comprises the following steps: acquiring ambient light data, user light adaptability data and glasses brightness compensation data when a user wears AR glasses; processing the ambient light data by adopting an ambient light dynamic response model to obtain ambient light dynamic response adjustment data; processing the user light adaptability data through a user physiology and preference model to obtain user physiology and preference adjustment data; processing the glasses brightness compensation data by adopting a non-linear brightness compensation model to obtain non-linear brightness compensation adjustment data; and performing intelligent adaptive light adjustment on the AR glasses based on the ambient light dynamic response adjustment data, the user physiology and preference adjustment data and the nonlinear brightness compensation adjustment data. By implementing the technical scheme provided by the invention, the accuracy of light adjustment of the AR glasses is improved.

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 invention relates to the technical field of biological imaging, in particular to a three-dimensional living body imaging system and method, and the system comprises an excitation device which is used for emitting a first parallel Gaussian light spot; the near-infrared structured light generation device is used for modulating the first parallel Gaussian light spot into first dynamic structured light; the first deformable mirror is used for reflecting a structural fluorescence signal in a living body to be imaged to the first dichroscope; the first dichroscope is used for dividing the structure fluorescence signal, reflected by the first deformable mirror, in the to-be-imaged living body into a first path of light and a second path of light; the near-infrared adaptive optical device is used for obtaining aberration according to the first path of light and a specified light structure; the imaging device is used for acquiring a two-dimensional image corresponding to the living body to be imaged based on the second path of light; and the three-dimensional reconstruction device is used for reconstructing the two-dimensional image into a three-dimensional model and controlling the first deformable mirror according to the aberration, so that the aberration between the first path of light and the specified light structure is reduced within a preset range.

The utility model discloses an optical structure for realizing an inclined light guide plate and long-distance uniform light emission thereof. The optical structure comprises an inclined light guide plate main body, an inclined extension part connected with the side end of the light guide plate main body, and a plurality of LED light sources close to the light inlet end of the light guide plate main body, a plurality of groups of incident light structures which are connected end to end and correspond to the LED light sources are formed at the incident light end of the light guide plate main body, each group of incident light structure comprises a refracting surface and a collimation surface, the normal direction of the refracting surface is consistent with the inclination direction of the light guide plate main body, and the collimation direction of the collimation surface is consistent with the inclination direction of the inclined extension part; and the thickness of the inclined extension part is gradually reduced from the direction close to the light guide plate main body to the direction far away from the light guide plate main body. On the premise that the size and the size of the whole light guide plate structure are guaranteed, the overall angle of light rays is effectively changed, the light guide plate structure adapts to the inclination angle of the light guide plate model, and long-distance uniform lighting can be achieved.

The invention is suitable for the technical field of spinal endoscopes, and provides a multi-wavelength AI control device, method and system for minimally invasive spine surgery, and the device comprises a light source module which is used for generating a plurality of irradiation light rays; the interior of the working pipeline is hollow, and the working pipeline is used for arranging an optical fiber imaging module in a penetrating mode and providing illumination for an imaging lens of the optical fiber imaging module; the AI analysis module is used for performing AI real-time analysis on the imaging image acquired by the optical fiber imaging module to obtain a tissue type in the imaging image; a plurality of light source control schemes are preset in the logic control module. Compared with the prior art, the method has the advantages that by means of the three-in-one method of multi-wavelength optical imaging, AI real-time analysis and self-adaptive light source control, the tissue identification precision, the operation view imaging stability and the operation safety of the device are remarkably improved, and the method is particularly suitable for complex scenes needing high-precision dissection and separation.

The invention provides a self-adaptive wide-color-gamut low-blue-light display screen system. The self-adaptive wide-color-gamut low-blue-light display screen system comprises a four-primary-color Micro-LED array and a perovskite quantum dot stabilizing layer. According to the system, image signals are mapped through a nerve driving module, the blue light peak value is dynamically adjusted through a bio-optical engine, the partition inhibition coefficient beta (x, y, t) is calculated based on the pupil diameter and the watching duration, and the blue light harm is reduced to the RG0 level. The yellow light chip fills up the RGB color gamut gap, the quantum dot layer ensures the color accuracy, the initial blue light wavelength avoids a harmful wave band of 415-455nm, and collaborative optimization of a wide color gamut and low blue light is achieved.

A method for treating near-retina floaters includes dilating a pupil of an eye of a patient to at least 6.6 millimeters (mm). While the pupil is dilated to at least 6.6 mm, the method further includes emitting, by an optical delivery system, a plurality of pulses from a treatment laser into the eye of the patient, each pulse of the plurality of pulses having a diameter upon passing through the pupil that substantially fills the pupil and having a focus within 3 mm of a retina of the eye of the patient. Pulses may pass through adaptive optics that may be adjusted based on light emitted from the eye, such as two-photon fluorescence or second harmonic radiation, in order to reduce spot size at the focus.

The invention discloses a modularized automobile intelligent light-emitting sealing strip system and a control and manufacturing method thereof. The system comprises: a base module having a built-in channel; the optical engine module is integrated in the built-in channel in a pluggable mode and comprises a partition light source unit, a gradient light guide body and a light sensor; and a light-transmitting outer cover module. According to the intelligent dodging control method, brightness distribution is sensed in real time through a sensor network, light source output is adjusted based on dynamic feedback and a partition cascade compensation algorithm, and self-adaptive optical compensation is achieved. According to the integrated manufacturing method, high-efficiency and high-consistency production is realized through optical engine prefabrication, matrix co-extrusion molding, modular integration and an online optical calibration process. According to the invention, the inherent contradiction between the light emitting function and the sealing function is solved, and high-reliability, high-uniformity and intelligent dynamic illumination and interaction for the vehicle are realized.

Self-calibrating adaptive optical systems, devices, and methods for biological analyte measurements are provided in accordance with various embodiments. Some embodiments include a method that includes emitting light from a laser. The light from the laser is filtered utilizing one or more short pass filters. The filtered light from the laser is focused onto an object. Light scatters from the object. The scattered light from the object is filtered utilizing a long pass filter. The scattered light from the object is collected into a spectrometer aperture. The scattered light from the object passes through a spectrometer to spatially separate the spectral components of the scattered light into a scattered spectra; the scattered spectra is filtered and detected on one or more optical sensors to form a detected spectra. The detected spectra is digitized to deliver a Raman spectra to a processor for analysis.

The present invention discloses a landscaping device for adjacent tunnel openings of a long and large tunnel group, comprising a tunnel group, wherein the tunnel group comprises a plurality of tunnels, wherein the adjacent tunnels are connected via an outer-tunnel bridge, and further comprising an LED screen, which is arranged on the inner wall of an opening where two adjacent tunnels are connected to the outer-tunnel bridge, matches the tunnel, and is used to provide a simulated scene for the tunnel; the outer-tunnel bridge is open; the present invention arranges LED screens in the long and large tunnels on both sides of the outer-tunnel bridge to extend the length of the bright area, thereby extending the time of light brightness, solving the driving safety problem caused by "dark-bright-dark", avoiding the driver's visual blindness period in continuous tunnel opening sections, allowing the driver to gradually adapt to light changes, and effectively utilizing the landscaping device at the opening to relieve the driver's visual fatigue; the LED screen can play some scenery video images, effectively reducing the driving safety problem caused by sudden changes in light.

The utility model discloses a light source jig for testing a light sensing product, which comprises a base and a driving piece, and the output end of the driving piece is fixedly connected with a transmission rod. According to the light sensation product fixing device, along with gradual combination of the first clamping base and the second clamping base with the outer surface wall of the light sensation product, the multiple sets of protruding rods can contract to different degrees according to different connecting positions of the protruding rods and the outer area of the light sensation product, springs at the corresponding positions are compressed, and therefore the light sensation product fixing device adapts to different outer contours of the light sensation product, and fixing of the light sensation product is achieved; when subsequent detection of the same batch of light-sensitive products is still carried out, a locking rod is rotated to be screwed with a plurality of groups of moving frames, the plurality of groups of moving frames are matched with a fixed frame to realize positioning of convex rods, so that the plurality of groups of convex rods are kept in a fixed posture, then a rotating rod is rotated to enable a clamping seat II to move in a small range, and then subsequent rapid disassembly and assembly of the light-sensitive products can be carried out. And large-span movement of the first clamping seat and the second clamping seat does not need to be carried out every time.

The utility model relates to the technical field of water quality detection, in particular to a self-adaptive optical path water quality detection device which is provided with a light emitting end connected with a light source and a light receiving end connected with a photoelectric detection module, the light receiving end can receive light rays emitted by the light emitting end, and the self-adaptive optical path water quality detection device further comprises a driving device arranged at the light emitting end and / or the light receiving end; the driving device can adjust the distance between the light emitting end and the light receiving end; the distance between the light emitting end and the light receiving end can be adjusted through the driving device, so that the light receiving end can better receive the light emitted by the light emitting end to meet the analysis requirement of the spectrograph; or the light receiving end can receive enough light through a turbidity compensation method so as to meet the analysis requirement of the spectrograph.

The invention relates to the technical field of photoacoustic microscopic imaging, and discloses a self-adaptive photoacoustic microscopic imaging method, device and equipment. The method is applied to a self-adaptive photoacoustic microscopic imaging device. The device comprises an initial photoacoustic microscopic imaging assembly, a continuous wave laser and a spatial light modulator. The method comprises the following steps: controlling an initial photoacoustic microscopic imaging assembly to emit first pulse laser and second pulse laser, and controlling a continuous wave laser to emit continuous wave laser; controlling a spatial light modulator to perform wavefront modulation on the first pulse laser, the second pulse laser and the continuous wave laser; wherein when the spatial light modulator carries out wavefront modulation, the differential spectroacoustic signal is used as feedback. According to the invention, the greedy algorithm is used to optimize the phase diagram displayed on the SLM, the aberration caused by the absorber is dynamically compensated point by point through the GR effect, the microstructure which cannot be distinguished by the traditional PAM is disclosed, and the signal intensity and the lateral resolution can be effectively improved by compensating the aberration.

The utility model relates to the technical field of lighting lamps, and discloses a multi-angle adjustable working lamp which comprises a shell, the bottom side of the shell is connected with a plurality of working lamp bodies through an adjusting assembly, the top side of the shell is connected with a movable frame through a connecting assembly, and the right end of the top side of the movable frame is fixedly connected with a fixing block. A fixing frame is fixedly connected to the right side of the fixing block, a motor is arranged in the fixing frame, a threaded rod is rotatably connected to the interior of the moving frame, a limiting groove is formed in the middle end of the interior of the moving frame, and sliding grooves are formed in the left end and the right end of the bottom side of the moving frame. According to the working lamp, angle adjustment of the working lamp body is achieved, the situation that in the using process, the irradiation direction of the working lamp body is fixed, the working plane is affected, and workers need to adjust the position of the working plane to adapt to the illumination angle is avoided, the using functionality of the device is improved, and the fatigue degree of the workers is reduced; the working lamp can be movably and conveniently mounted, and the mounting convenience is improved.

The application provides a physical constraint-based illumination adaptive spectral reflectance reconstruction system, an illumination adaptive spectral reflectance reconstruction framework (I-SRR) based on no known illumination, auxiliary hardware or multiple captures, which can accurately recover intrinsic spectral reflectance of a material from a single RGB image; a spectral imaging physical model is embedded into a deep unfolding framework, a differentiable optimization structure is constructed based on an alternating direction multiplier method (ADMM), a spectral formation and recovery process is implicitly integrated, a physically guided end-to-end learning is realized through deep unfolding optimization based on physical constraints; the application can realize robust reflectance recovery under unknown or complex illumination conditions, adaptively adjust features through a learned compensation mechanism, maintain consistent reconstruction accuracy in different color temperatures (4000K-11200K) and indoor and outdoor scenes, and realize robust reconstruction under dynamic illumination conditions.

Embodiments of the present invention relate to an air hygiene device for a refrigerator and a refrigerator. The air hygiene device comprises a housing (2) comprising a light exit (25), an air channel (3) within the housing, an air detection device (5) and / or an air evolution device (6) within the air channel, an illumination device (9) within the housing to generate light adapted to pass through the light exit, and a partition (7) separating the illumination device and the air channel, the air being adapted to flow along a first side of the partition, the illumination device being located between a second side of the partition and the light exit.

The embodiment of the invention relates to the technical field of three-dimensional light field content generation, and provides an adaptive light sampling three-dimensional light field content generation method and device, and the method comprises the steps: collecting an image of a target three-dimensional scene through employing a multi-path RGB camera, building a three-dimensional world coordinate system, and constructing a three-dimensional sampling space and a voxel space; performing initial sampling on the occupied voxels through an adaptive light sampling strategy to form initial sampling points, and adaptively adjusting a re-sampling mode according to the sufficiency of the initial sampling points; in addition, a neural network model is used for training so as to update the occupancy state of the voxel grid; and finally, the rendering light is calculated through the virtual rendering camera array to generate a composite image, so that the three-dimensional light field content is generated. Therefore, according to the method, the sampling strategy is flexibly adjusted according to the geometric distribution of the scene, and the content generation quality of the three-dimensional light field is improved.

An adaptive optics system is provided using a nonuniform Shack-Hartmann wavefront sensor (NSHWS) including an array of nonuniform lenslets, with an orthogonal polynomial used to determine a size and a placement for each lenslet and an array of detectors located in a focal plane of the array of nonuniform lenslets with a detector corresponding to each lenslet.

The application discloses a kind of optical module fine granularity health degree evaluation method, system, device and medium, comprising: data acquisition and pre-processing, semi-supervised clustering is initially divided into "fault" sample and "normal" sample;Through the fine granularity division of "normal" sample by Transformer auto-encoder;Through the fine granularity division of "fault" sample by "fault" sample, the Gaussian mixture model of complete health sample respectively;Determine whether the port state triggers a preset event, if not triggered, directly output evaluation result;If at least one preset event is triggered, update the model used for classification in each stage, and re-evaluate the health degree level, output evaluation result.The application establishes five-level health degree quantization standard, covers the whole life cycle state of optical module from complete health to irreversible serious failure, and can adapt to the data partial drift caused by optical module aging.

An optical assembly (600) comprises an optical element (610) having an adaptable shape and an actuator assembly (620). The actuator assembly comprises a support structure (613) defining a first axis, a primary intermediate part (622), a movable part (621), and one or more actuator units. The primary intermediate part is movable relative to the support structure in a primary plane perpendicular to the first axis and comprises plurality of primary drive portions each extending out of the primary plane. The movable part comprises a plurality of driven portions each corresponding to one of the plurality of primary drive portions. Each driven portion is movable relative to the support structure to adapt the adaptable shape of the optical element. The one or more actuator units are configured to drive movement of the primary intermediate part relative to the support structure in the primary plane. Movement parallel to the primary plane of the plurality of primary drive portions effects movement of at least a subset of the plurality of driven portions out of the primary plane to adapt the adaptable shape of the optical element.

The present application relates to the technical field of water quality monitoring, in particular to a water quality residual chlorine online monitoring and optical alarm system based on DPD detection method, comprising a water quality multi-source data acquisition module for acquiring residual chlorine concentration and other multi-source water quality and process parameters; an edge computing module for fusion processing of multi-source data through its built-in data fusion and prediction analysis software system, outputting residual chlorine future change trend and risk probability by using a time series prediction model, and then dynamically mapping different risk levels and generating adaptive optical alarm control instructions; and an optical alarm module for driving a multi-color programmable light source unit according to the instructions to generate optical alarm signals with specific color, brightness, flashing frequency and mode combination strictly corresponding to the risk level. The present application realizes intelligent prediction and forward-looking hierarchical optical alarm of residual chlorine concentration, significantly improving the intelligent level and risk warning capability of water quality monitoring.

The application discloses a kind of spatial diffraction deep neural network asymmetric multifunctional imaging method and system, it is suitable for optical signal processing field.The system is composed of signal input module, all-optical diffraction neural network module and signal acquisition module.Signal input module is responsible for providing light source and modulation element, for generating and modulating optical field signal.All-optical diffraction neural network module uses double loss function optimization strategy to carry out asymmetric training.Specifically, it introduces different loss functions in different transmission directions to train different functions simultaneously, thereby realizing the diversification of signal processing.Signal acquisition module is responsible for collecting and storing the final calculation result.The application can realize different imaging functions according to the different signal input directions, thereby adapting to the diversification needs of optical signal processing, not only filling the gap in the related field, but also providing a new way of thinking for further research and application in the field of optical imaging.

The invention relates to an ROV underwater adaptive illumination algorithm, a storage medium and equipment, and the algorithm combines a convolutional neural network and a generative adversarial network to improve the image quality, and can intelligently adjust the current of a light source according to illumination data collected in real time, so as to adjust the illumination intensity of the light source, thereby guaranteeing the illumination intensity of the light source under different water depth and water quality conditions. And unnecessary energy consumption is reduced by intelligently adjusting the working mode of the light source, so that the cruising ability of the ROV in a long-time underwater task is improved. According to the ROV underwater adaptive illumination algorithm provided by the invention, the definition and the visual effect of the image can be remarkably improved under a low illumination condition, and the ROV underwater adaptive illumination algorithm provided by the invention has a real-time response capability, so that the illumination condition can be rapidly adjusted in a complex and variable underwater environment.

The utility model belongs to the technical field of light cone inspection, and particularly relates to a light cone inspection jig which comprises a positioning plate, an inspection plate and a guide assembly, a positioning hole is formed in the upper side of the positioning plate, and the positioning hole is used for being connected with the lower end of a light cone in a clamped mode; the inspection plate is arranged on the upper side of the positioning plate and is parallel to the positioning plate, an inspection hole is formed in the inspection plate, and the inspection hole directly faces the positioning hole; the guide assembly comprises a guide column and an elastic piece, the lower end of the guide column is connected with the positioning plate, the upper end is slidably connected with the inspection plate, and the elastic piece is arranged between the positioning plate and the inspection plate and sleeves the guide column. During operation, the distance between the positioning plate and the inspection plate is adjusted to adapt to the height of the light cone, the lower end of the light cone to be inspected is clamped in the positioning hole, the position of the positioning plate is kept stable, then the inspection plate is pressed down to the head position of the light cone, and the inspection hole is compared with the head size of the light cone. The optical cones with obvious size differences can be quickly found out from batch to-be-inspected optical cones, the operation is simple, and the inspection efficiency is high.

The invention belongs to the crossing field of biological medicine and photoelectronic technology, particularly relates to a self-adaptive spectrum sterilization and efficacy maintenance system, and aims to solve the technical problem that active ingredients are easily damaged while efficient microorganism inactivation is realized by the traditional sterilization technology. The system comprises a spectrum generation module, a multi-mode sensing module, a dynamic regulation and control module and a closed-loop execution module, a double-target optimization model is constructed by collecting multi-dimensional data such as microbial fluorescence, Raman fingerprints, temperature and light transmittance in real time, the spectrum ratio and output parameters are adjusted online, and sterilization efficiency and drug effect maintenance are collaboratively optimized. A viable bacterium area is identified by pre-scanning, selective irradiation is implemented, and self-adaptive closed-loop control of the treatment process is realized by combining dynamic weight adjustment and compensatory protection measures. The system has the characteristics of high precision, low damage, energy conservation and safety, and is suitable for light-operated treatment of high-added-value products such as medicines and health-care products.

The invention discloses a self-adaptive optical assisted three-dimensional fluorescence and light intensity diffraction tomography imaging method. According to the method, the iteration lamination imaging technology is adopted, the three-dimensional refractive index and the wavefront aberration are effectively separated from the intensity image, the wavefront aberration solved in real time is combined, the wavefront aberration is accurately introduced into the point spread function of the imaging system, the three-dimensional fluorescence result is synchronously corrected, and therefore the reconstruction quality in the fluorescence mode is remarkably improved. According to the invention, the contradiction between the coordination of long-term imaging and high temporal-spatial resolution of the traditional three-dimensional bimodal imaging method is solved, and the method has important significance for exploring the structure and the dynamic state of a biological phenomenon on the cell and subcellular level.