121 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.

The invention relates to a method for generating an image watermark based on potential space multi-scale feature modulation. The method mainly comprises a watermark residual embedding and extracting method based on potential space multi-scale feature modulation, a watermark intensity regulation and control strategy based on time sequence gating and a robust watermark end-to-end training framework based on potential space. According to the method, watermark information is fused by using a multi-scale structure in a potential space of a diffusion model, meanwhile, a time sequence gating strategy dynamically determines the embedding time step of a watermark by calculating the convergence degree of a potential vector, and the image quality and the watermark robustness are balanced. Sigmoid weighted noise prediction loss is introduced in the model training process, and denoising control over low time steps is enhanced. The method can be widely applied to scenes such as image generation, copyright identification and content traceability, and has good practicability and popularization prospects.

The invention relates to the technical field of waveguide display, in particular to a full-color waveguide display method, system, medium and equipment based on a liquid crystal polarizer grating and a photoelectronic device, and the method comprises the steps: training and discriminating path direction information through a generative adversarial network, and meanwhile, setting an abnormal amplitude node based on initial polarization amplitude setting and abnormal amplitude node regulation and control; a directional channel cluster with amplitude constraint is formed, directional consistency and intensity continuity of path aggregation are realized, and through channel load offset ratio extraction, stable block identification and correction current mapping processing, light guide channels with different response characteristics obtain refined driving intensity control in a signal excitation process, so that the light guide effect is improved. In combination with an input channel signal configuration mode of a decision tree algorithm, dynamic closed-loop linkage between a signal control state and a path output result is realized by constructing a multi-attribute classification path, setting output frequency and displacement amplitude parameters, executing excitation signal bit width matching and synchronously loading frequency parameters.

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 relates to the technical field of electric bicycle control, in particular to an automatic high beam and low beam switching system and method for an electric bicycle, electronic equipment and a computer readable storage medium. The automatic high beam and low beam switching system for the electric bicycle comprises a radar detection module, an illumination detection module, a control module and a bicycle lamp module. The radar detection module is used for detecting the distance of an obstacle in front of the electric bicycle and the movement state of the obstacle; the illumination detection module is used for detecting the illumination intensity of the external environment; and the control module is used for controlling the vehicle lamp module to turn on the low-beam lamp when the illumination intensity is lower than a preset illumination threshold value, and controlling the vehicle lamp module to switch the high-beam lamp and the low-beam lamp according to the distance of the obstacle and the motion state of the obstacle. The control module automatically controls switching of the high beam and the low beam based on the distance of the obstacle, the motion state of the obstacle and the illumination intensity, and dependence on manual operation of a rider is reduced.

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.

The invention relates to the technical field of cleaning equipment, and discloses a light-sensitive cleaning equipment lighting system and application thereof.The system collects ground illumination intensity in real time through an ambient light detection module, a control unit dynamically adjusts the brightness of a lighting module based on a nonlinear dimming algorithm, and multiple modes are divided according to the illumination intensity; and the cleaning parameters are linked to realize cooperative control. Meanwhile, the ground material identification module detects the ground reflection characteristics through an infrared reflection sensor, and the illumination strategies are optimized for high-reflection materials and low-reflection materials respectively. Experimental data show that compared with a traditional fixed brightness scheme, the system saves energy by more than 40%, the dark area dust recognition rate is improved by 60%, the glare intensity is reduced by 50%, the problems of poor environmental adaptability, low energy efficiency, single function and the like in the prior art are effectively solved, the system is suitable for intelligent cleaning equipment such as a sweeping robot and a handheld dust collector, and the cleaning efficiency and the user experience are remarkably improved.

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.

The invention relates to the technical field of head-up display equipment, particularly provides a head-up display capable of preventing sunlight from flowing backwards, a method for preventing sunlight from flowing backwards and a vehicle, and aims to solve the problem that the blocking degree of sunlight cannot be adjusted according to the intensity of sunlight entering the head-up display in the conventional scheme for preventing sunlight from flowing backwards. In order to achieve the purpose, the head-up display comprises a shell, an image source and a curved mirror, the image source and the curved mirror are arranged in the shell, the shell is provided with a light outlet, and the head-up display further comprises a photosensitive sensor arranged in the shell and used for detecting the illumination intensity of light irradiating into the shell; the electrochromic film is arranged at the light outlet; the control module is connected with the photosensitive sensor and is used for acquiring the illumination intensity of the light irradiated into the shell; the control module is further electrically connected with the electrochromic film and used for adjusting the light transmittance of the electrochromic film according to the obtained illumination intensity. The head-up display can adjust the light transmittance of the inner electrochromic film according to the illumination intensity of the light incident to the head-up display.

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.

A “light-emitting diode (LED - Light-Emitting Diode)” illuminator (100) configured to receive signals from a first input voltage line (120A) and a second input voltage line (120B), wherein the LED illuminator (100) comprises: an LED bank (155) with one or more LEDs; a detection circuit (220) configured to detect whether the first and second input voltage lines (120A, 120B) are active and to generate first and second detection signals (225A, 225B), wherein the first detection signal (225A) indicates the first input voltage and the second detection signal (225B) indicates the second input voltage; a decoding circuit (230) comprising a resistance divider configured to receive the first and second detection signals (225A, 225B) and, in response to a short circuit of various sections of the resistance divider, generates a DC voltage signal (235) based on the first and second detection signals (225A, 225B); and an LED control device (210) configured to detect whether the first and second input voltage lines (120A, 120B) are active and to provide a regulated current to the LED bank (155), wherein the LED control device (210) is configured to: Providing a regulated output current with a first level to a first part of the LED bank (155) in response to a detection that the first input voltage line (120A) is active and the second input voltage line (120B) is not active; Providing a regulated output current with a second level to a second part of the LED bank (155) in response to a detection that the second input voltage line (120B) is active and the first input voltage line (120A) is inactive, wherein the second part of the LED bank (155) at least partially overlaps the first part; and Providing a regulated output current with a third level to a third part of the LED bank (155) in response to a detection that the first and second input voltage lines (120A, 120B) are active, wherein the third part of the LED bank (155) at least partially overlaps the first and second parts; wherein the LED control device (210) is configured to detect, whether the first and second input voltage lines (120A, 120B) are active based on the DC voltage signal (235), wherein the LED control device (210) is configured to select one of the three levels corresponding to one of three values ​​of the DC voltage signal (235), and wherein the third level is greater than the sum of the first level and the second level.

The present invention provides an LED module and a luminaire. The luminaire includes a controller and an optical system, the optical system having an adjustable optical element and an LED module, and an LED circuit board electrically connected to the controller. The LED circuit board includes an LED array arranged in two or more concentric zones, each zone including a plurality of LEDs. The intensity of the LEDs in the first zone is controlled independently of the LEDs in the second zone. The controller controls the intensity of at least the first zone based on the configuration of the adjustable optical element. The LED module can be removed from the luminaire by electrically disconnecting the LED circuit board from the controller and mechanically disconnecting the LED module from the luminaire without removing other elements of the optical system.

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.

A vehicle display device, which emits display light from an opening toward a windshield and thereby allows a virtual image and a real image of a display image represented by the display light to be visually recognized, includes a display unit including a display element, transmitting light emitted by a light source, and displaying the display image, a reflection unit reflecting light representing the display image displayed on the display unit toward the windshield, and a control unit. The control unit executes light intensity control processing of controlling a light intensity of the light source in such a way that a real image display luminance setting when a real image is visually recognized and a virtual image display luminance setting when a virtual image is visually recognized have a predetermined luminance difference from each other.

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.

A sensor device includes a lower substrate, an upper substrate disposed on the lower substrate, formed of a material different from a material of the lower substrate, and including a plurality of light-receiving regions disposed in different positions, a plurality of optical members disposed between the lower substrate and the upper substrate, and configured to be generated in a plasma formed in a space above the upper substrate and to provide a traveling path of light entering the plurality of light-receiving regions, a spectrum sensor configured to detect intensity of light received through each of the plurality of optical members in a predetermined wavelength band, a controller configured to generate raw data including intensity of light according to the wavelength band by matching the raw data with each of the plurality of light-receiving regions.

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.

A vehicle display device, which emits display light from an opening toward a windshield and thereby allows a virtual image and a real image of a display image represented by the display light to be visually recognized, includes a display unit including a display element, transmitting light emitted by a light source, and displaying the display image, a reflection unit reflecting light representing the display image displayed on the display unit toward the windshield, and a control unit. The control unit executes light intensity control processing of controlling a light intensity of the light source in such a way that a real image display luminance setting when a real image is visually recognized and a virtual image display luminance setting when a virtual image is visually recognized have a predetermined luminance difference from each other.

The application discloses a photon intensity control method and device of a BB84 decoy state quantum key distribution system, and relates to the technical field of quantum communication photon intensity control. The photon intensity control method comprises the following steps: detecting the photon intensity of the photon state of a first beam splitting ratio after beam splitting; determining the average photon number ratio of the photon state according to the photon intensity of the photon state and the trigger number of the photon state; determining the control signal of the photon state according to the average photon number ratio of the photon state; and controlling the photon intensity of the photon state of a second beam splitting ratio after beam splitting in response to the control signal of the photon state, so as to control the photon intensity of the photon state of the second beam splitting ratio of the BB84 decoy state quantum key distribution system. The photon intensity control method can accurately control the photon intensity of the signal state, the photon intensity of the decoy state and the photon intensity of the vacuum state, and improve the feedback control precision.

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.

The invention discloses a photon intensity control method and device of a BB84 decoy state quantum key distribution system, and relates to the technical field of quantum communication photon intensity control. The photon intensity control method comprises the following steps: detecting the photon intensity of a photon state of a first beam splitting ratio after beam splitting by a beam splitter; determining an average photon number ratio of the photon states according to the photon intensity of the photon states and the respective triggering number of the photon states; determining respective control signals of the photon states according to the average photon number ratio of the photon states; and in response to respective control signals of the photon states, controlling the photon intensity of the photon state of the second beam splitting ratio after beam splitting by the beam splitter so as to control the BB84 decoy state quantum key distribution system according to the photon intensity of the photon state of the second beam splitting ratio. According to the photon intensity control method, the photon intensity of a signal state, the photon intensity of a decoy state and the photon intensity of a vacuum state can be accurately controlled, and the feedback control precision is improved.

Provided is an electronic device including: a display module including a touchscreen panel a touchscreen panel integrated circuit (IC), a display panel, and a display panel IC; memory storing one or more instructions; and at least one processor configured to execute the one or more instructions, wherein the at least one processor is operatively connected to the display module and the memory, and wherein the one or more instructions, when executed by the at least one processor, cause the electronic device to: detect a specified trigger, acquire a sensitivity value of the touchscreen panel, determine whether to enter an antistatic mode based on the acquired sensitivity value, based on determining to enter the antistatic mode, determine a polarity or an intensity of a voltage based on the acquired sensitivity value, and control the display module based on the polarity or the intensity of the voltage.

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.

The invention relates to the technical field of sunlight utilization, and discloses a sunlight intelligent dynamic adjusting system and method based on a photo-thermal coupling reaction device. The dimming system comprises a light filtering part and a dimming part and is provided with a top window, the light filtering part is arranged at the top end of the reaction kettle body, an external light source is emitted into the reaction kettle body through the light filtering part, and the dimming part is mounted above the top window and is used for adjusting the illumination intensity entering the reaction kettle body; the control system comprises a detection part and a control part, the detection part is arranged on the reaction kettle body and used for monitoring illumination parameters in the reaction kettle body, and the control part is connected with the detection part and used for controlling the dimming part. According to the invention, accurate dimming is realized, the change condition of illumination parameters in the system is reflected in real time, real-time regulation and control are carried out according to actual reaction required conditions, and accurate control of experimental conditions is ensured.