35 results about "Light-adapted" patented technology

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.

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 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.

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 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 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 utility model relates to the field of light guide lighting, in particular to a self-adaptive light guide lighting device which comprises a base and optical sensors, an adjusting air cylinder is arranged at the inner side end of the base, a receiving plate is installed at the output end of the adjusting air cylinder, a plurality of optical sensors are installed on the upper end face of the receiving plate, and light gathering assemblies are arranged at the inner side ends of the optical sensors. A spiral ring is rotationally installed on the upper end face of the base through threads, a light collecting cover is installed on the upper end face of the spiral ring, and a plurality of inserting rods are inserted into the outer side wall of the spiral ring in the circumferential direction of the spiral ring. And the threaded connection position is limited and fixed through the insertion rod, relative rotation of the threaded connection position is avoided, and the stability of the device is further improved.

Systems and methods for minimally-invasive lipolysis in a target area by injecting the area with a solution of photo-absorbing nanoparticles such as substantially spherical gold nanoshells that may comprise a non-conducting core, and irradiating the injected area with a beam of near infrared (NIR) light adapted to excite the nanoparticles to melt or ablate fat within the target area.

The application discloses a panoramic examination room splicing method with adaptive light compensation and distortion correction, aiming at solving the problems of transition light change caused by uneven light, splicing fault and deformation caused by wide-angle and fish-eye lens distortion in the existing examination room monitoring splicing. The method first constructs an anchor point system in the examination room, selects and calibrates multiple reference anchor points, the reference anchor points include mandatory anchor points and auxiliary anchor points, the mandatory anchor points are permanent feature points in the examination room, the auxiliary anchor points are relatively fixed feature points in the examination room, and meanwhile, the physical coordinates, standard brightness values and structural features of the reference anchor points are calibrated and an anchor point correlation network is constructed. Then, images are synchronously collected, matching anchor points are detected, adaptive light compensation and distortion correction are carried out based on the reference anchor points, finally, the images are spliced according to the reference anchor point coordinates, and the anchor point failure effect and dynamic updating mechanism are also included. The application realizes seamless panoramic splicing of the examination room, and improves the monitoring continuity and AI analysis convenience.

The invention discloses a digital human real-time generation method and system fusing a layered light transmission model, and relates to the technical field of digital human modeling and real-time rendering. The method comprises the following steps: collecting optical parameters of each layer of skin, constructing a layered skin light transmission model and a radiation flux equation of each layer, carrying out layered adaptive photon mapping sampling, fusing radiation transmission results of each layer through a neural network accelerator, generating a skin material containing a dynamic reflectivity field, and outputting the skin material containing the dynamic reflectivity field. And finally, binding the optimized skin with a skeleton animation system in real time, and outputting a rendered digital human. Through layered optical modeling, dynamic sampling optimization, hardware acceleration rendering and the like, the skin optical optimization result is deeply embedded into the digital human modeling process, the skin rendering precision is improved, the dynamic adaptability is enhanced, and the problems that in the prior art, the skin of a digital human is not real, dynamic response is delayed, and the digital human is not real are solved. The skin texture and the muscle movement are not synchronous, and the like.

The invention discloses an implantable grating array strain sensing optical cable and a forming device and method thereof. The forming device comprises an extrusion coating module, an online knurling module and a water tank cooling module which are sequentially arranged in the direction of an optical cable production line. Wherein the online knurling module comprises a central shaft body of a hollow tubular structure, a knurling execution assembly which is formed by a plurality of knurling wheels which are distributed in the circumferential direction and can move in the radial direction, and a linkage adjusting assembly which is in transmission connection with the central shaft body and the knurling execution assembly. The linkage adjusting assembly is used for converting axial adjusting motion along the center shaft body into synchronous radial opening and closing motion of the knurl wheels. Multi-wheel synchronous radial adjustment is achieved through the linkage adjusting assembly, the problem that in the prior art, the device cannot adapt to optical cable diameter fluctuation, and consequently grain depths are different is solved, the forming quality of a mechanical meshing structure is guaranteed, and the coupling performance between a sensing optical cable and a base body is improved.

Variable focal length adaptive optical systems, in particular thermally controlled adaptive reflector variable focal length optical systems and annular force controlled adaptive reflector variable focal length optical systems. The variable focal length adaptive optical systems operate to produce concentrated light at a selectable focal length. The selectable focal length may be dynamically adjusted or controlled. A method of manufacturing the thermally controlled adaptive reflector is provided.

The utility model relates to the field of medical supplies, in particular to a protective patch for the ophthalmology department. The protective paste for the ophthalmology department comprises adhesive paste cloth, the adhesive paste cloth comprises an adhesive area and a fixing area, a protective cotton layer is arranged above the adhesive area, a release paper layer is arranged above the protective cotton layer, an adhesive light-transmitting area is arranged in the center of the adhesive area of the adhesive paste cloth, the adhesive light-transmitting area is of a hollow structure, and the fixing area is of a hollow structure. A plastic fixing layer is adhered to the adhesive cloth positioned in the adhesive light-transmitting area; a protective light-transmitting area is arranged in the center of the protective cotton layer and is of a hollow structure. The center of the release paper layer is provided with a release light-transmitting area, the release light-transmitting area is of a hollow structure, and the release paper layer is connected through the fixing area of the adhesive cloth. The protective patch for the ophthalmology department can play a role in shielding the eyes without completely covering the eyes, and can be applied to the recovery stage after the ophthalmology department operation to enable the eyes to gradually adapt to the light environment.

A kind of self-adapting optical axis visual axis consistency correction method, comprising: first, the angle between camera coordinate system and laser coordinate system is calibrated, image visual axis is adjusted parallel with guide rail axis using standard long straight line guide rail, the plane target of vertical guide rail is controlled to move on straight line guide rail, image is shot at the nearest working distance and the farthest working distance position, the distance value at two positions is recorded, the pixel coordinates of laser point in image are obtained by image processing, and the spatial coordinates of two light points under camera coordinate system are calculated according to the camera imaging model by the focal length, pixel size parameter of camera, the straight line equation of laser axis is established under camera coordinate system;Then, according to the distance obtained by laser ranging, the actual focal length of camera, pixel size, the pixel coordinates of laser light point deviating from image center at current position are solved using laser axis straight line equation, the original image is sheared and displayed by taking laser point pixel coordinates as center, and the real-time correction of visual axis is realized.

The invention discloses a self-adaptive optical spectrum imaging system, and relates to the technical field of ophthalmic optical detection. The self-adaptive optical spectral imaging system comprises a wide-spectrum illumination unit, a self-adaptive optical correction unit, a synchronous spectral imaging unit and a refraction calculation unit, illumination is carried out through a wide-spectrum light source, eye aberration is corrected in real time through self-adaptive optics, and multi-wavelength retina images are synchronously obtained through a dispersion element and an area array detector. According to the method, the refractive distribution diagram is calculated from the spectral phase gradient through Fourier phase analysis and a Levenberg-Marquardt fitting algorithm, the eye aberration is corrected in real time through adaptive optics, the diopter of each point of the retina is accurately calculated from the spectral phase gradient on the basis of the Fourier phase analysis and the Levenberg-Marquardt fitting algorithm in combination with a wide-spectrum spectral synchronous imaging technology, and the refractive distribution diagram is calculated from the spectral phase gradient through the Fourier phase analysis and the Levenberg-Marquardt fitting algorithm. And a space-time registration error caused by mismatching of sequential measurement and eyeball micro-motion in a traditional mechanical scanning mode is avoided.

The invention discloses a panoramic examination room splicing method based on self-adaptive light compensation and distortion correction, and aims to solve the problems that in existing examination room monitoring splicing, light is not uniform, so that transition light and shade changes are caused, and splicing faults and deformation are caused by wide-angle and fisheye lens distortions.The method comprises the steps that firstly, an anchor point system is constructed in an examination room, and a plurality of reference anchor points are selected and calibrated; the reference anchor points comprise necessary anchor points and auxiliary anchor points, the necessary anchor points are permanently fixed feature points in the examination room, the auxiliary anchor points are relatively fixed feature points in the examination room, meanwhile, the physical coordinates, standard brightness values and structural features of the reference anchor points are calibrated, and an anchor point association network is constructed; the method comprises the steps of firstly collecting images, then synchronously collecting the images, detecting matched anchor points, carrying out self-adaptive light compensation and distortion correction based on the reference anchor points, and finally splicing the images according to the coordinates of the reference anchor points, and further comprises an anchor point failure response and dynamic updating mechanism, and the method achieves the seamless panoramic splicing of the examination room, and improves the monitoring coherence and AI analysis convenience.

The invention provides a control method of a light-emitting identification self-adaptive optical variable system for an automobile, which comprises the following steps: S1, after a user starts the light-emitting identification self-adaptive optical variable system, continuously monitoring environmental parameters by using a light sensing module; s2, carrying out data sampling and analysis once every 100ms by utilizing a central processing unit; s3, detecting ambient light change in real time by using a light sensing module, and starting ambient light adjustment when the ambient light exceeds a threshold value or a user interaction signal; s4, calculating an optimal optical parameter combination by utilizing a neural network algorithm module according to the current scene and the historical preference of the user by utilizing a central processing unit; s5, accurately controlling each LED channel through a PWM signal by using an adaptive light source module to realize a smooth transition light-variable effect; s6, continuously monitoring user feedback by using an interaction identification module, and dynamically and finely adjusting the optical parameters; step S7, realizing self-adaptive light environment adjustment; the method has the advantage that the user experience and the intelligent level of the system are remarkably improved.

The present application relates to the field of imaging technology, in particular to a microscopic imaging method and application. The present application discloses a self-adaptive optical adjusting method, which estimates sequencing brightness by imaging a small area on a chip, adjusts laser power or exposure time, so that the base brightness is in the interval meeting the base recognition requirement, thereby helping the sequencer to stabilize the sequencing signal in the case that the performance of the chip, laser, reagent and optical system fluctuates.

The application discloses a zebrafish cerebral stroke model modeling method and system based on hemodynamics, relates to the field of closed-loop adaptive light control, and provides the following scheme, which comprises the following steps: acquiring a target region image and calculating a blood flow velocity value according to a preset sampling period, initializing light intensity and a basic increment, and setting a control state as a coarse induction state; calculating a hysteresis band based on a jitter amplitude of the blood flow velocity value; setting a target interval with a preset target threshold as a center and the hysteresis band as a full width; and determining the sign and modulus of the basic increment according to the relative position of the blood flow velocity value and the target interval in the coarse induction state. The application guarantees the physiological progression of light intensity adjustment by combining the compensation pool cumulative value alignment with the discharge-locking mechanism strategy, controls the step change amplitude of the light intensity within a proper range at all times, and makes the thrombus formation curve highly consistent with the logical growth model curve.

The utility model discloses a fundus lighting device which comprises a light source cylinder, an assembling sleeve and a lens assembly, before the fundus lighting device is adopted to conduct lighting examination on the fundus of a patient, a dimming lens can be rotated to cover a transmitting end, and then a power source of the light source cylinder is turned on; the light intensity of light emitted by the light source cylinder is weakened after the light passes through the dimming lens, strong discomfort cannot be generated after the light irradiates human eyes, an inspector can perform preliminary inspection under weak light, and after a detected person adapts to illumination, the inspector rotates the dimming lens to cover the transmitting end, so that fine inspection is performed on the fundus of the detected person, and the detection efficiency is improved. And the inspection efficiency and the inspection accuracy are not influenced.

The invention relates to the technical field of visual inspection tools, in particular to a visual inspection tool for a converter socket, which comprises a mounting seat, a fixed mounting plate matched with a converter socket production line is fixedly mounted at the lower end of the mounting seat through bolts, and a glass supporting plate for placing the converter socket is arranged at the top end of the mounting seat. According to the invention, based on a laser profile measurement technology, a high-precision gear linkage mechanism drives a laser contourgraph to carry out 0-180-degree multi-angle automatic adjustment, so that omnibearing scanning detection of the three-dimensional morphology of the bottom end of the converter socket is realized; the upper detection unit is provided with a high-resolution imaging system based on machine vision, a self-adaptive illumination compensation algorithm is combined, geometric parameters of key parts at the upper end of the socket can be accurately obtained, precise scale marks are introduced into the clamping column, and an operator can rapidly judge and read the height size of the socket through micron-sized scales of the clamping column. And the detection efficiency is obviously improved.

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 application discloses a kind of self-adapting optical kernel function design method and system, belong to the cross field such as computing imaging.The algorithm is by collecting optical original data, feature is extracted in spatial domain and frequency domain, kernel parameter is output by adaptive weight generator, after selecting or synthesizing optimal kernel, enhanced image is obtained by original data convolution, and closed loop self-learning is formed by reverse updating with task-driven loss.Kernel function family contains Gaussian kernel, and uses differentiable mixing method.Spatial domain and frequency domain feature extractor are multi-scale Sobel-Laplacian pyramid and variable window multi-section discrete Fourier transform respectively.Weight generator is light-weight GCN-GRU hybrid network.The system includes optical front end and other modules, and the optical-electricity convolution array has strong computing power and low time delay, and the health monitoring module ensures safety, and meets ASIL-C level.The application realizes the double promotion of signal-to-noise ratio and resolution, and is suitable for hyperspectral imaging and other scenes.

The system for correcting the wavefront (182) of a laser beam (180) includes a beam splitter (120) for splitting off a small portion of the laser beam to be used as a diagnostic beam (180D), a focusing element (140) for focusing the diagnostic beam, a measurement subsystem (150) for measuring the size of the diagnostic beam at upstream and / or downstream locations relative to a nominal location of the focal point, and at least one adaptive optics system (110) located upstream from the beam splitter for correcting the wavefront of the laser beam based, at least in part, on the measured size of the diagnostic beam at the upstream and / or downstream locations. The upstream 152(1) and downstream 152(2) locations correspond to intermediate field locations within the laser beam as imaged by the focusing element. The system utilizes the sensitivity of the laser beam size to waist location deviations, which are greatest at one Rayleigh length from the nominal waist location.

Multi-directional optical devices are disclosed. The optical device may employ a multiple input / multiple output optical coupling structure to determine propagation direction of received light (in receiver configuration), and / or control the propagation direction of transmitted light (in transmitter configuration). Propagation direction can be determined without the need for moving parts. In accordance with some embodiments, designs of solid-state photonic integrated circuits (PICs) are disclosed herein that utilize N×M star couplers to perform Fourier transformations to light traversing between the N ports and M ports such that light arriving at one or more of the N ports is distributed with a linear phase profile across the M ports. The slope of the linear phase profile is dependent on which of the N ports that light was received from. The light exits from waveguides coupled to the M ports at one or more propagation directions dependent on the linear phase profile.