64 results about "Intensity control" patented technology

The invention discloses an intelligent glasses image adjusting system based on eye movement tracking and gesture fusion, and relates to the technical field of intelligent equipment. A multi-modal sensing module is arranged to construct a multi-modal sensing layer to capture eyeball movement tracks and gesture actions; a fixation point prediction module is set to process a dynamic scene through a space-time attention mechanism to obtain a fixation point prediction area, a gesture semantic understanding module is set to process gesture actions based on a Transform architecture, and the gesture actions of a user are converted into image adjustment instructions. An image enhancement strategy setting module designs a multi-stage image enhancement strategy according to the fixation point prediction area and the image adjustment instruction, and sets a dynamic adjustment intensity control module to perform adaptive adjustment to obtain a dynamic adjustment intensity control result; an eye movement-gesture cooperative control module is arranged to provide an eye movement-gesture cooperative control mechanism to realize image area selection and parameter adjustment, and accurate image area selection and parameter adjustment are realized.

Embodiments of the present invention provide a wearable phototherapy device, comprising a flexible substrate supporting a plurality of light-emitting elements configured to emit therapeutic light of one or more wavelengths. The substrate conforms to a treatment surface and may be integrated into a mask, wrap, patch, or garment insert. A conductive thin-film layer with an integrated metal-grid structure limits current to the light-emitting elements. The elements are arranged in one or more treatment zones, each independently addressable to provide wavelength and intensity control. A connector assembly enables selective attachment and detachment of the substrate to a power and control module. The device provides uniform, targeted illumination for dermatological, cosmetic, or therapeutic applications while maintaining ergonomic comfort.

A vehicle includes at least one exterior facing camera and a viewing screen in communication with a controller. The camera includes a red green blue (RGB) imaging sensor and a near infrared (NIR) imaging sensor. An ambient light sensor is disposed on the vehicle and detects a magnitude of ambient lighting in an exterior environment. The controller stores instructions for: Receiving a RGB image from the RGB imaging sensor at a time t, receiving a NIR image from the NIR imaging sensor at the time t, and receiving a lumens value of the ambient light at the time t. Preprocessing the RGB image into a processed RGB image using one of a plurality of preprocessing techniques dependent upon the lumens magnitude of the ambient lighting. Fusing the processed RGB image and the NIR image into a single viewing image using a neural network. Displaying the viewing image.

The invention discloses a flow intensity regulation and control device, a flow intensity regulation and control method and a laser proton accelerator. According to the device, a beam positioning sub-device is connected with a flow intensity adjusting and controlling sub-device, and the beam positioning sub-device is used for arranging the flow intensity adjusting and controlling sub-device in a vacuum cavity of the laser proton accelerator and adjusting the position of the flow intensity adjusting and controlling sub-device in the vacuum cavity; the flow intensity regulation and control sub-device comprises a movable perforated plate, a fixed perforated plate and a flow intensity regulation and control module; the movable perforated plate and the fixed perforated plate are overlapped and have the same shape, size and through hole arrangement; and the flow intensity regulation and control module is used for regulating and controlling the one-way relative displacement of the movable perforated plate and the fixed perforated plate so as to change the flow intensity regulation and control state of the flow intensity regulation and control sub-device on the laser proton beam. According to the embodiment of the invention, the beam flux can be rapidly and accurately adjusted, and the flow intensity of the proton beam can be rapidly and accurately adjusted.

A ring resonator (10) and a NALM (20) configured as a saturable absorption mechanism constitute a laser oscillator. A multiport BPF (12) is provided to a path through which light propagates in the laser oscillator, the multiport BPF (12) passing light in a prescribed band of the propagating light, and branching light outside of the prescribed band as monitoring light (L). A photodetector (1) detects the monitoring light (L). A control unit (2) controls the oscillation state of the light propagating through the laser oscillator on the basis of the intensity of the monitoring light (L), thereby controlling the mode synchronization of the light propagating through the laser oscillator.

Intensity control units 40A and 40B acquire the intensity of backscattered light when inputting signal light of two or more modes for each core in a multicore optical fiber 10, which has two or more cores and in which two or more modes propagate to each of the cores, so that the transmission direction of light differs between adjacent cores, and output a control signal for reducing the input optical power of a high-order mode other than a basic mode of the signal light by a predetermined amount so as to reduce the influence of the high-order mode on the basic mode.

A connected lighting system that includes a substrate defining a broad face, a first set of light emitting elements, and a second set of light emitting elements. Each light emitting element of the second set of light elements may be configured to emit light having a fixed color parameter different from a first color parameter of the first set of lighting elements. The first and second sets of light emitting elements may be arranged at at least two different contiguous portions of the broad face of the substrate. A processor may be configured to control the first set of light emitting elements with a predetermined intensity and control relative intensities of one or more of the second set of light emitting elements to cooperatively emit light having a first color parameter value.

The utility model discloses a battery device and electric equipment, the battery device provided by the utility model comprises a box body, a plurality of battery monomers, a deformation detection assembly and a control system, the box body is provided with a first accommodating space and comprises a first wall part; the plurality of single batteries are arranged in the first accommodating space; the deformation detection assembly comprises an emitter and a receiver, the emitter is used for emitting a detection light beam to the receiver along a preset transmission path, the first wall part deforms towards the outer side of the first accommodating space under the expansion action of the plurality of battery monomers, and the deformation direction of the first wall part intersects with the transmission path; at least after the deformation of the first wall part exceeds a preset degree, the transmission intensity of the detection light beam along the transmission path is changed; the control system is connected with the receiver and generates a deformation indication signal based on a detection signal of the receiver. Therefore, the control system can prompt that the deformation of the first wall part exceeds the preset degree, and the risk of misjudgment of the health state of the battery device is relieved.

The invention belongs to the technical field of proton radiation therapy planning, and provides a planning method and system for realizing proton arc therapy, and the method comprises the steps: calculating the corresponding rotation speed of a rack during the delivery of each irradiation field beam spot based on a proton multi-field intensity modulated therapy plan; based on the calculation result, the angle distribution of the irradiation fields is optimized and adjusted, so that the rotation speed of the rack in each irradiation field is close to the constant speed, and the speed fluctuation is effectively reduced; and on the basis that the rack is approximately rotated at a constant speed, a self-adaptive beam intensity control system is designed, so that the rack is rotated at a constant speed in the whole treatment process. According to the technical scheme, the mechanical burden of the rack is relieved, the treatment time is remarkably shortened, the overall treatment efficiency is improved, and a new technical breakthrough and development direction is brought to the field of proton treatment.

Provided are an optical inspection device capable of accurately obtaining the film thickness of a film covering a sample even when there is a difference in spatial intensity distribution between irradiation light to the sample and irradiation light to a reference mirror, and a control method therefor. The optical inspection device includes: a light source that emits light; a beam splitter that splits the light emitted from the light source into first irradiation light directed toward a sample and second irradiation light directed toward a reference mirror; an interference light measurement unit that measures interference light due to object light which is reflected light of the first irradiation light from the sample and reference light which is reflected light of the second irradiation light from the reference mirror; and a control unit that controls each unit. The optical inspection device is characterized by further including: an object light measurement unit that measures the intensity of only the object light; and a storage unit that stores the intensity of the object light of a reference sample measured in advance by the object light measurement unit. The control unit is characterized by obtaining the film thickness of a film covering an observation sample on the basis of the intensity of the object light of the reference sample and the intensity of the object light of the observation sample measured by the object light measurement unit.

An optical component for directly measuring an original valence state, an original form and an original phase state of a high-concentration liquid in real time is provided, including a PLC control module, a monochromatic light purification module, a light intensity control module, a sensitivity adjustment module, and a multi-species perception module. Based on a monitoring requirement for different species, under the control of the PLC control module, the monochromatic light purification module emits monochromatic light. The light intensity control module adjusts light intensity of the monochromatic light. The sensitivity adjustment module adjusts attenuation of the monochromatic light. The multi-species perception module feeds back a measurement signal of the monochromatic light to the PLC control module.

The invention relates to a method for controlling a vehicle's lighting module. Upon obtaining (400; 401) a first image representing a scene facing the vehicle, a contour detection function (402) is applied to the first image to obtain a contour image. A light intensity map (404) is determined from the contour image. This light intensity map indicates a first light intensity control value for light elements capable of projecting light onto the contours of the scene elements represented by the contour image, and a second light intensity control value for light elements capable of projecting light outside the contours. The determined light intensity map (405) is transmitted to at least one lighting module for projecting a pixelated beam of light onto the scene facing the vehicle. FIG. 4

The invention relates to a calibration system and a calibration method. In one aspect, there is provided a calibration system comprising: a movable table; the adjusting sheet is detachably arranged on the workbench, the adjusting sheet comprises a light sensing area and at least one light guide part, the light sensing area is located in the center of the adjusting sheet and used for interacting with light beams from the light source, and the light guide part extends from the light sensing area to the edge of the adjusting sheet; the at least one sensor is arranged outside the edge and is used for sensing the intensity of the light transmitted through the at least one light guide part; and a controller controlling the table to move along a first axis and along a second axis orthogonal to the first axis, and determining center coordinates of the first axis and the second axis based on a position of the table corresponding to a peak intensity of a signal received from the at least one sensor. Therefore, the precision of center positioning of the workbench can be improved, and the detection precision of the wafer can be improved.

This invention discloses a power monitoring device and method suitable for ultra-low power devices. The power monitoring device includes a control unit, a photovoltaic conversion unit, a battery, a first load switch, a second load switch, a resistor, a power monitoring unit, and a light sensor. The control unit collects the light intensity from the light sensor and controls the opening and closing of the first and second load switches, enabling independent power supply to the power monitoring unit from the photovoltaic conversion unit and the battery, and achieving power consumption data acquisition from the power monitoring unit. The method implements different power monitoring strategies for different periods of illumination and non-illumination, increasing the data acquisition frequency during illumination and decreasing it during non-illumination. The monitoring circuit of this invention has low additional power consumption and high accuracy in device power monitoring.

Charge particle beam device (1) irradiating a sample (8) with a charge particle beam (30), comprising: a charge particle source (2) configured to irradiate the sample (8) with primary charge particles (30); a light source (10) configured to emit light that is emitted towards the sample (8); a detector (5) configured to detect secondary charge particles generated by irradiating the sample (8) with primary charge particles from the sample (8); an image processing unit (18) configured to generate an observational image of the sample (8) using the secondary charge particles detected by the detector (5); and a light intensity control unit (14) configured to set an irradiance of light per unit of time, and an absorption properties measuring unit (13) configured to measure an amount of absorption of the light absorbed by the sample (8); characterized in that the charge particle device (1) further comprises: a storage unit (27) configured to store correspondence data describing a correspondence between the amount of absorption measured by the absorption properties measuring unit (13) and the light irradiance per unit time, wherein the light intensity control unit (14) causes the image processing unit to produce a multitude of observation images, each exhibiting a different contrast, by changing the irradiance of the light per unit of time, wherein the sample (8) has a property that the emission quantity of secondary charge particles changes depending on the light irradiation intensity per unit time, The light intensity control unit (14) sets the light irradiation intensity per unit time to a first intensity, so that the sample (8) emits secondary charge particles in a first emission quantity corresponding to the first intensity, and then causes the image processing unit to produce an observation image, and The light intensity control unit (14) adjusts the light irradiation intensity per unit time to a second intensity that differs from the first intensity, so that the sample (8) emits secondary charge particles in a second emission quantity corresponding to the second intensity, and then causes the image processing unit to produce an observation image, wherein the light intensity control unit (14) determines the first intensity and the second intensity according to the correspondence described in the correspondence data.

The application discloses a kind of based on time-frequency spectrum processing laser self-mixing interference optical feedback intensity control method, comprising the following steps: S1, to self-mixing interference signal using short-time Fourier transform, obtain the numerical matrix of two-dimensional signal time-frequency spectrum;S2, modulus value operation is carried out to numerical matrix, and modulus value is normalized to obtain normalized matrix;S3, the normalized matrix is multiplied to obtain weight matrix multiple times operation, weight matrix is used as the weight between each time-frequency point;S4, weight matrix is multiplied with the numerical matrix of signal time-frequency spectrum, for retaining the main frequency part of signal each time, inhibit harmonic component introduced by optical feedback intensity factor;S5, the matrix obtained after weight matrix and numerical matrix are multiplied is using short-time inverse Fourier transform, obtain time-domain signal, realize algebraic control self-mixing interference signal's optical feedback intensity;The method can reduce the influence of optical feedback intensity on self-mixing interference signal, enhance the measurement stability of self-mixing interferometer.

An optical component for directly measuring an original valence state, an original form and an original phase state of a high-concentration liquid in real time is provided, including a PLC control module, a monochromatic light purification module, a light intensity control module, a sensitivity adjustment module, and a multi-species perception module. Based on a monitoring requirement for different species, under the control of the PLC control module, the monochromatic light purification module emits monochromatic light. The light intensity control module adjusts light intensity of the monochromatic light. The sensitivity adjustment module adjusts attenuation of the monochromatic light. The multi-species perception module feeds back a measurement signal of the monochromatic light to the PLC control module.

The application relates to the field of nail art equipment and computer vision technology and discloses a nail curing method and system based on deep learning and spatial positioning, which comprises the following steps: when a UV-LED module irradiates a nail, an RGB-UV dual-spectrum camera is used to synchronously collect an RGB image and a UV image of the nail; the 3D contour point cloud of the nail is determined by using the RGB image and the UV image, and the 3D contour point cloud is marked with the RGB image to obtain a to-be-cured vertex set belonging to a to-be-cured area; the vector included angle between the normal vector of each to-be-cured vertex in the to-be-cured vertex set and the light source vector is calculated; after the angle-intensity control of a UV light source array is performed by using a DMD chip, the nail is subjected to adjacent LED light supplementing treatment by using the UV light source array, so that the final nail curing result of the nail is determined. The application can solve the defects of the prior art, such as the poor pertinence of the ultraviolet radiation range, the lack of a real-time virtual try-on function and the incomplete curing of the curved surface edge.

A method for modifying a control mode based on user inputs, the control mode being designed to control a transmission value of a variable transmission optical element as a function of an external illumination. The method includes measuring an initial level of the external illumination, setting the transmission value of the variable transmission optical element to an initial value, acquiring a user input for adjusting a parameter related to the transmission value of the variable transmission optical element, setting the transmission value of the variable transmission optical element to a requested value, and computing, based on the requested value and on the initial level of the external illumination, a confidence value representative of a likelihood that the requested value is a user preference relative to the initial level of the external illumination, and modifying or maintaining unchanged the control mode based on the user input and on the confidence value.

A stereoscopic display device includes a laser light source configured to emit a laser beam, a converter configured to convert the emitted laser beam to a collimated beam with a predetermined diameter, a divider configured to divide the collimated beam into a zeroth-order beam and a higher-order beam equal to or higher than a first-order beam by changing a wavefront of the collimated beam, a scanner configured to three-dimensionally scan a light condensing position of a converged beam by using a drawing space including a fluorescent material which is excited to spontaneously emit light with irradiation with a laser beam as a scan target range and changing optical axis directions in which converged beams including the zeroth-order beam and the higher-order beam are emitted and a focal distance at which the zeroth-order beam converges, and an intensity control unit configured to control an intensity at the light condensing position.

The present invention discloses an output intensity control method and system for an X-ray source. By predicting the output intensity of the X-ray source using operating voltage, filament current, and operating temperature, and determining the target operating voltage and target filament current corresponding to the target output intensity value based on the actual output intensity, the predicted output intensity value, and the target output intensity value of the X-ray source, the determination process of the target operating voltage and target filament current takes into account the temperature drift problem caused by the temperature rise during long-term operation of the X-ray source, thereby improving the output intensity stability of the X-ray source.

This endoscope light quantity control device controls a light quantity value on the basis of an image acquired by an endoscope. The endoscope light quantity control device includes a luminance evaluation unit that calculates a luminance evaluation value for the whole image and a luminance evaluation value for the periphery of the image, and a light quantity control unit that controls the light quantity value on the basis of larger luminance evaluation value of the whole luminance evaluation value and the peripheral luminance evaluation value.

This invention provides a non-invasive stimulation device based on acoustic field modulation using a concave fiber bundle. The device comprises a pulsed laser module, a laser modulation control module, a multi-channel concave fiber bundle, and a photoacoustic transducer coating. The pulsed laser, after processing by the modulation module, is input into the fiber bundle. Its output end is concave, and the photoacoustic transducer coating on the surface converts the laser into ultrasonic waves. The concave structure achieves initial geometric focusing of the ultrasonic waves, forming the geometric focus of the acoustic field. The modulation module has control channels corresponding one-to-one with the fiber transmission channels, allowing for dual-dimensional control of the emission time delay and pulse intensity of each channel's pulsed laser. This enables hardware-free axial and lateral scanning of the focus; intensity control maximizes the focus sound pressure and minimizes the sidelobe sound pressure. This invention significantly improves sound pressure gain and spatial resolution through the combination of concave fiber bundle geometric focusing and a high-efficiency photoacoustic transducer coating.

The utility model relates to food material identification system and the refrigerator with it. Food material identification system includes the main part of board shape, installs the camera part in the main part, installs the light supplement part in the main part, installs the illuminance sensor of the intensity of the ambient light of the surrounding of camera part in the main part and controls the action of light supplement part and camera part, and the control part is installed in the main part, and the control part controls the opening and closing of light supplement part based on the camera state of camera part and the intensity of ambient light detected by illuminance sensor. In addition, the refrigerator includes a cabinet and the food material identification system described above detachably installed on the top of the cabinet, the main part has a protruding portion protruding from the front surface of the cabinet, and the light supplement portion, the camera portion, and the illuminance sensor are arranged side by side in the width direction of the refrigerator and installed on the protruding portion. According to the utility model, the food material identification system and the refrigerator provided with the same can reliably and automatically ensure the shooting / recognition effect of the camera.

An illumination device comprises a plurality of lighting units configured to emit a respective light beam in a respective light beam direction. A plurality of light sensors is configured to sense light in a respective sensor field of view in a respective sensor direction. A controller is configured to perform a calibration procedure that comprises receiving sensor signals, each sensor signal representing a light level in each respective sensor direction. The sensor signals are analyzed to obtain reflection intensity values, each reflection intensity value being representative of an intensity of reflected light in a respective light beam direction. The lighting units are controlled to emit a respective light beam such that, for each light beam direction, if the reflection intensity value is less than or equal to a reflection threshold value, the intensity of emitted light in the light beam direction is reduced.

Measuring arrangement for recording aging processes of individual light-emitting diodes (LEDs), comprising: - a plurality of light-emitting diodes (LEDs), comprising a red light-emitting diode (R), a green light-emitting diode (G) and a blue light-emitting diode (B); - a control unit (CTRL) set up for individual brightness intensity control of each of the light-emitting diodes (LEDs), wherein - at least one photodiode (FD), configured for measuring the brightness intensity of at least one light-emitting diode (LED), which is not the red light-emitting diode (R), is provided, whereby the red light-emitting diode (R) cannot be monitored, wherein the control unit (CTRL) is configured to detect a relative change in brightness intensity of each of the light-emitting diodes (LEDs) depending on a first measurement and a second time-delayed measurement, wherein the majority of light-emitting diodes (LEDs) and the photodiode (FD) are formed in such a way that they cannot be separated without destruction and all components are arranged in a common housing which has transparent or semi-transparent window areas.

A biofluidic processing apparatus, a biofluidic processing system, and a method for implementing a controller to perform a biofluidic processing procedure for a blood source are disclosed. The biofluidic processing apparatus includes a pump system and a valve system, a controller, and an optical detection assembly. During the biofluidic processing procedure, the controller controls the operation of the pump system and the valve system to separate the cell-containing fluid from the blood of the blood source, and controls the optical detection assembly to emit light through the cell-containing fluid. The controller receives a signal from the optical detection assembly indicating the intensity of light passing through the cell-containing fluid. The controller receives or calculates a modulation factor derived from historical data reflecting previous cell collection procedures performed on the same blood source with the same type of cells collected. The controller determines the regulated cell concentration of the cell-containing fluid based at least in part on the signal from the photodetector and the modulation factor.

A multi-functional background illuminator for use with slit lamps is disclosed. The illuminator includes a housing with non-filtered green, blue, and white light-emitting diodes, a rechargeable power supply, an electronic control board, and a rheostat for intensity control. A multi-directional mounting clip attaches the illuminator to a slit lamp tower and permits horizontal and vertical rotation. The green LED enhances visualization of meibomian glands without infrared imaging, the blue LED provides an expanded excitation field for fluorescein dye to improve assessment of tear film and corneal staining, and the white LED supplies wide-field diffused illumination with reduced glare for examination of eyelids, lashes, and conjunctival surfaces. The device extends the diagnostic capabilities of conventional slit lamps by providing wider field illumination and multiple selectable lighting modes in a compact, portable unit.

A method and apparatus for generating an optical frequency comb based on a synthetic moiré lattice with optimized tooth spacing is disclosed. This method involves coupling two fiber resonant rings of unequal size and applying resonant electro-optic phase modulation to construct a moiré lattice in the frequency dimension. The output tooth spacing is the greatest common divisor of the free spectral ranges of the two resonant rings. The spectral distribution of the output optical frequency comb can then be controlled by adjusting the coupling strength. This invention features a simple structure and, without changing the resonant ring size, achieves denser optical frequency comb generation using a smaller system structure. Furthermore, controllable electro-optic optical frequency comb output can be achieved by flexibly adjusting the coupling strength between the two resonant rings.

This transmission device that communicates with a reception device comprises: a transmission antenna that is installed at a predetermined angle in the transmission device and transmits a transmission signal to the reception device; a beam generation unit that generates, for the transmission signal transmitted by the transmission antenna, a circular Airy beam so as to have a predetermined focal length; and a control unit that controls at least one of the predetermined focal length and the predetermined angle on the basis of the reception intensity of the circular Airy beam fed back from the reception device.