26results about How to "Avoid overexposure" patented technology

The application discloses a kind of intelligent detection systems of metal material surface defects, it is related to defect detection technical field, including state curve module, for obtaining the position of metal material along the direction of movement and the change curve of surface state variation, and the position interval of key detection area in the direction of movement;The key detection area at least includes oxide skin thick area, oxide skin thin area and surface state variation intense mutation area of imaging condition conflict;The application makes conflict area into imaging field by time sequence decoupling mode in time, and makes non-target area be in the physical position that imaging interference is less, cooperates special imaging parameter, special analysis rule and closed loop feedback optimization mechanism, overcomes the defect that fixed parameter detection mode is difficult to compatible multi-area conflict imaging demand, improves the reliability and adaptability of metal material surface defect detection under complex surface state.

The utility model discloses a monitor for golf real-time remote positioning, which comprises a monitoring camera body, the surface of the monitoring camera body is sleeved with a shell, the shell can slide back and forth on the surface of the monitoring camera body, the two sides of the shell are fixedly connected with supports, and the supports are fixedly connected with the monitoring camera body. The side, away from the shell, of the support extends to the bottom of the monitoring camera body and is fixedly connected with a sleeve plate, the bottom of the monitoring camera body is movably connected with a transmission rod through a bearing, the surface of the transmission rod is fixedly connected with a rotating wheel, and the bottom of the rotating wheel is fixedly connected with a sliding rod located in the sleeve plate. And the sliding rod is in sliding connection with the sleeve plate. According to the utility model, the housing slides back and forth on the surface of the monitoring camera body, the amount of light entering the camera is directly controlled, the housing moves forward to enlarge the shading area, overexposure or identification interference caused by direct sunlight is avoided, the housing moves backward to reduce the shading range, the amount of light entering is increased, and the imaging quality in a low-light environment is improved.

The invention provides a multi-scale adaptive modulation polarization image fusion enhancement method and apparatus, and an electronic device. The method comprises the steps of resolving an original polarization image to obtain a light intensity image and a polarization degree image; acquiring a polarization degree image low-frequency component as a first low-frequency component; acquiring a light intensity image low-frequency component as a second low-frequency component; determining a first adaptive modulation parameter based on the gray statistical parameter of the polarization degree image; determining a second adaptive modulation parameter based on the light intensity image gray statistical parameter; determining a low-frequency fusion component based on the first low-frequency component, the first adaptive modulation parameter, the second low-frequency component and the second adaptive modulation parameter; and obtaining a fusion enhanced image based on the low-frequency fusion component and the polarization degree high-frequency component. According to the method, adaptive modulation parameters based on gray statistical characteristics are introduced into low-frequency component fusion of a light intensity image and a polarization degree image; and the high-frequency component of the polarization degree image is enhanced in high-frequency component processing, so that the quality of the fusion enhanced image is remarkably improved.

The invention discloses a lens and a lamp. The lens is used for the lamp. The lamp comprises a light-emitting part, and the lens comprises a lens body. The lens body is arranged on the side, facing the ceiling, of the light-emitting part and is opposite to the ceiling in the first direction. In the first direction, the lens body comprises a first side wall face facing the light-emitting part and a second side wall face deviating from the light-emitting part. The second side wall surface is provided with a first light guide structure and a second light guide structure. The first side wall face is configured to refract light emitted by the light emitting part to the second side wall face, the first light guide structure can refract part of the light to the side, facing a ceiling in the first direction, of the lens body, and the second light guide structure can reflect part of the light to the peripheral side, in the second direction, of the lens body. The light intensity of the peripheral side of the lens body is larger than the light intensity of the side, facing the ceiling, of the lens body. According to the scheme, the shadow and overexposure phenomena of the ceiling above the lamp can be effectively avoided, and the light illumination efficiency and the illumination effect are improved.

The invention provides a PUR oil-resistant and wear-resistant material and a preparation method of a swing drag chain line of the PUR oil-resistant and wear-resistant material, and relates to the technical field of drag chain lines. A storage barrel is fixedly arranged at the top of the supporting table, and PUR oil-resistant and wear-resistant particles are stored in the storage barrel; an extruding structure is fixedly arranged at the top of the supporting table, and an extruding assembly is further fixedly arranged at the top of the supporting table; a spray cooling device is fixedly arranged at the top of the supporting table, and two guide assemblies are fixedly arranged at the top of the supporting table; a guide assembly and an extrusion assembly are arranged; the transverse direction and the vertical direction of the cable core can be limited and guided at the same time, and the advancing path of the cable core is guaranteed; therefore, overlarge contact force between the cable core and the inner wall of the extrusion mold can be prevented, the performance integrity of the cable core is ensured, and the problem that overlarge contact force is possibly generated between the cable core and the inner wall of the extrusion mold is solved.

The present application belongs to the technical field of image enhancement in coal mine, and specifically discloses a coal mine image enhancement method, system, computer device and storage medium. Firstly, a glow imaging degradation model is established to obtain a glow image, and a layer separation method is used to remove the glow to obtain a de-glow image; then, on the basis of a low-illumination enhancement SRLLIE method, a target function of the low-illumination enhancement SRLLIE method is improved according to the de-glow image, the improved target function is iteratively solved, an illumination graph with suppressed overexposure and retained structural details and a de-noised reflection graph are obtained; then, the brightness of the illumination graph is adjusted by using an S-shaped gamma correction function to obtain an optimized illumination graph; finally, the optimized illumination graph and the reflection graph are point multiplied according to the Retinex theory to obtain an enhanced image. The present application can not only effectively improve the brightness of the image and suppress over-enhancement, but also restore the image detail information and improve the visual effect of the image.

The utility model relates to flying shear, shearing machine technical field proposes a kind of guiding structure for preventing shear blade occlusion, including flying shear mounting seat, the side surface of flying shear mounting seat is provided with shear blade body, the top of shear blade body is provided with blade mouth, the top of blade mouth is provided with guiding mechanism, the guiding mechanism includes guide slot, the top of flying shear mounting seat is opened in guide slot, support shaft is rotatably connected in the inside of guide slot. In the utility model, the mutual cooperation between guiding mechanism component makes the guiding blade of upper and lower shear blade body contact first, guiding blade is stressed to drive shear blade body to move inside the sliding slot at this time, so that shear blade body is retracted to guide slot inside, so that the shear blade gap modulation of two shear blade bodies is minimum, then guiding blade mouth contact and shearing, by the above technical scheme, the problem of blade mouth occlusion in prior art cannot be avoided.

The application discloses a method, system and server for determining an aerial track area in an image, wherein the method comprises the following steps: S1, acquiring an RGB track image to be processed; S2, converting the RGB track image to obtain a single-channel H component image; S3, determining a set of hue variation points on a longitudinal line of the H component image and determining the aerial track area from the H component image based on the determined set of hue variation points. After the original image is acquired, the method does not perform conventional global median noise reduction or mean filtering processing, but directly converts the original image into an H component image, identifies hue variation points based on the tracking and locking principle of the first derivative mutation of the hue component, and determines the aerial track edge by combining the least square method. The processing method can instantaneously extract a standard aerial track area from the original image within 5 ms, thereby laying a foundation for the aerial track dust detection of a crown under the condition that the speed of the crown is not reduced.

The present application belongs to the technical field of image enhancement, and particularly relates to a television camera image enhancement method for low-illumination environment, comprising: acquiring initial pixel values of each color channel at the current moment and the previous moment; extracting an initial illumination component and combining spatial structure fluctuation and time difference to construct a basic space-time fluctuation value; modulating the mean value of the initial illumination component in the neighborhood to obtain a space-time illumination fluctuation intensity; constructing an adaptive diffusion coefficient according to the space-time illumination fluctuation intensity and dynamically weighting the initial illumination component to obtain a target illumination component; constructing a dynamic compensation factor by using the relative intensity of the target illumination component and the global distribution extreme value, and then generating a final enhanced image. The present application can effectively suppress environmental noise and eliminate halo artifacts, and adaptively improve the contrast and visual fidelity of the texture in extremely dark areas.

The utility model relates to the technical field of vein palmprint identification, in particular to vein palmprint identification equipment, which comprises a main control chip, an infrared light source module, an optical imaging module, a living body detection module, a heat dissipation structure and an anti-counterfeiting processing module. According to the utility model, the structure is novel, infrared light can uniformly irradiate a palm, edge dark areas or center overexposure can be avoided, vein image quality can be improved, ambient light interference can be effectively inhibited, aberration can be reduced, blood vessel edge definition can be improved, and counterfeiting means such as silica gel artificial hands, photos or vein printing can be effectively resisted; the LED working temperature stability is ensured, wavelength drift is avoided, the service life is prolonged, the palm of a user is automatically adjusted to the optimal imaging position, the operation difficulty is reduced, the recognition success rate is improved, stable imaging can be ensured under different illumination conditions, the calculation amount is reduced while the precision is ensured, the recognition efficiency is high, and the energy consumption is low.

The application discloses a car lamp structure with cold and warm color light switching function and a car, which comprises a shell, a lamp bead assembly, a reflecting element, an inner lens group and an outer lens arranged in the shell in sequence along a light path transmission direction; wherein the lamp bead assembly comprises multiple lamp bead groups; the reflecting element adopts a condenser; the inner lens group is arranged in one-to-one correspondence with the lamp bead group, each inner lens group has a plane facing the light entrance surface of the reflecting element and a plurality of convex arc surfaces facing the light exit surface of the outer lens, and the ratio of the size b of each inner lens group in the left-right direction to the size a in the front-rear direction ranges from 2 to 24; the outer lens is arranged on the end surface of the shell; the application can compress the size of the inner lens in the light path direction, directly reduce the transmission distance of light from the reflecting element to the outer lens, and allow the inner lens group to be arranged in parallel and compact in the left-right direction, thereby avoiding the redundant space caused by the circular or square lens in the traditional design.

The invention provides a construction method of credible data service for hydroelectric power generation industry, which comprises the following steps of: constructing a credible data space, establishing a data model by collecting metadata of a multi-service system, and carrying out classification and differential encryption; a controllable data service is generated, a single-table and multi-table association interface is automatically generated based on a data model or an interface is generated through a custom SQL, and a row-column level permission is configured to control a data range; dynamic service authorization: generating a dynamic key based on role configuration calling times and a validity period, and encrypting access parameters; and service monitoring and tracing: monitoring service node resources and calling behaviors, and recording a calling message for tracing. According to the invention, through the establishment of the trusted data space, the generation of the controllable data service, the dynamic service authorization and the service monitoring traceability, the whole process of integration, governance and service sharing of the hydroelectric data is safe and controllable, and the problems of data islands, weak safety and framework rigidity are effectively solved.

The utility model discloses a kind of self-adapting enteromorpha detection devices for unmanned ship, including unmanned ship body, image acquisition equipment is arranged on unmanned ship body, image acquisition equipment includes several cameras and automatic telescopic rod, and movable end of automatic telescopic rod is provided with camera along circumferential array;Power supply is arranged in unmanned ship body, and power supply is respectively connected with data storage equipment, data processing equipment, relay and motor drive module, the camera is connected with data storage equipment, data storage equipment is connected with data processing equipment, relay is connected with camera, and motor drive module is connected with the direct current motor of automatic telescopic rod;The utility model adjusts the height of camera by automatic telescopic rod, and enhances the flexibility of acquisition equipment.

The invention provides a rendering effect adjusting method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining video data containing a preset partition layout, and enabling the preset partition layout to divide a single video frame into a content region and a mask region; acquiring a first group of sampling coordinates and a second group of sampling coordinates; using the first group of sampling coordinates to sample and obtain image content data from the content area, and using the second group of sampling coordinates to sample and obtain transparency data from the mask area; and synthesizing the image content data and the transparency data into an output image with transparency. The method disclosed by the invention is an automatic brightness optimization scheme based on data driving, a traditional low-efficiency mode depending on subjective judgment and manual adjustment is replaced, the efficiency and standardization degree of mapping processing in a large-scale project are remarkably improved, and a more uniform and harmonious visual effect is provided by eliminating a visual split feeling between a role and a scene.

This invention provides a grouped self-cleaning aeration and fluidization system, relating to the field of wastewater treatment aeration technology. It includes: a dissolved oxygen sensor, an intelligent control box, a blower, and grouped aeration modules. The intelligent control box includes a power distribution module, a control and protection module, a PLC control module, a cloud-based IoT gateway module, and a data acquisition module. The grouped aeration modules include multiple aeration units; each aeration unit includes multiple independent microporous hoses, hose fixing brackets, and butterfly valves. The dissolved oxygen sensor is connected to the PLC control module. The PLC control module, blower, and grouped aeration modules are connected sequentially. The PLC control module is connected to the butterfly valves. The PLC control module controls the opening and closing of the butterfly valves, performing self-cleaning and starting / stopping the grouped aeration modules. This invention can form directional water flow, achieving full-pool aeration and fluidization, preventing sludge accumulation at the bottom of the pool, and improving sludge suspension and oxygen transfer efficiency.

The application provides a method for enhancing screen display content and a storage medium. The method obtains current ambient illumination and current backlight brightness of a screen. In response to the current ambient illumination being greater than a preset enhancement trigger threshold and the current backlight brightness being full, foreground pixels and background pixels in a display image of the screen are determined. Foreground brightness transformation coefficients and background brightness transformation coefficients are determined according to the current ambient illumination. The brightness of the foreground pixels is raised using the foreground brightness transformation coefficients, and the brightness of the background pixels is lowered using the background brightness transformation coefficients, so as to expand the brightness difference between the foreground and the background, increase the perceived contrast, effectively solve the problem that screen content is invisible under strong light, and avoid conflict with original backlight control logic.

The invention discloses a karst cave stalactite damage degree intelligent assessment method based on image recognition, and relates to the cross technical field of computer vision and geological resource investigation. The method comprises the steps of collecting stalactite images in a karst cave, dividing the images into a labeled data set and a non-labeled data set, preprocessing the images in the labeled data set and the non-labeled data set, constructing a depth separable convolutional neural network model fusing region proposal and alignment technologies, and constructing a deep separable convolutional neural network model; a mixed training strategy combining supervision and semi-supervision is adopted, and training and parameter optimization are carried out on the network model by using the preprocessed image; and inputting a to-be-evaluated stalactite image into the trained network model for feature extraction, candidate region generation and feature alignment, and synchronously outputting a stalactite existence judgment result, a damaged region position and a damage degree classification result through a built-in three-detection-head structure of the model. Therefore, automatic and non-contact detection of stalactite damage assessment is realized.

The utility model discloses a kind of anti-reflection imaging systems for curved surface light-reflecting metal parts, including the industrial camera of being set gradually, adjustable multi-angle linear polarizer, coaxial polarization illumination system and multi-angle directional strip LED light source group, adjustable multi-angle linear polarizer is located in camera front end, coaxial polarization illumination system is coaxial with camera optical axis, and multi-angle directional strip LED light source group encircles workpiece illumination.The utility model two-way polarization imaging, suppress high light reflection while retaining structural information;Multi-angle gradual illumination, show curved surface shadow texture, improve defect recognition rate;Real-time exposure compensation, adaptive adjustment, adapt to different material and angle;HDR wide dynamic imaging, prevent image local overexposure or dead black;Structural integration integration, support deployment in robot arm end or fixed station.

The present application provides a kind of face exposure adjustment method, comprising: S1, obtaining face region coordinate;S2, face coordinate processing: including: excluding face: select the main face as the face that needs to be carried out face exposure;Adjust face size: the region of doing face exposure is cropped, ensure that the region of face exposure is all face without background;Face anti-shake: prevent face shaking and lead to exposure position inaccuracy;S3, calculate the brightness of face region and picture: according to the brightness histogram of face region and whole image respectively, through the proportion of over-bright point, over-dark point and normal brightness point of brightness histogram, the brightness of face and whole picture is calculated;S4, obtain basic brightness: obtain basic target brightness according to current EV and EV table;S5, calculate target brightness: according to the brightness of whole image, obtain the final face target brightness;S6, brightness takes effect: according to face target brightness, image brightness is exposed to appropriate brightness.

The invention discloses a mine low-light image enhancement denoising method and system based on a wavelet diffusion model, and the method comprises the steps: an initial state mapping and condition embedding module which is used for splicing an input low-light image and a noise distribution diagram, mapping the spliced low-light image and noise distribution diagram to a high-dimensional hidden space, and outputting a high-dimensional feature tensor; the time-frequency sensing and feature decoupling module is used for realizing time domain control and frequency domain separation; the double-current parallel adaptive enhancement module is used for processing the low-frequency characteristic component and the high-frequency characteristic component; the self-adaptive feature alignment module is used for mapping low-frequency and high-frequency feature values to a unified distribution reference, dynamically adjusting a scaling gain and eliminating reconstruction noise; and the dynamic reconstruction and imaging output module is used for realizing dynamic task scheduling, space restoration and artifact elimination after restoration. According to the method, dual optimization of enhanced quality and operation efficiency can be realized, non-uniform noise is accurately suppressed, illumination is balanced, and the problems of out-of-control image brightness, color cast, insufficient reliability and the like are solved on the premise of not depending on pairwise data.

The invention discloses an array type iris face multi-mode acquisition and recognition system, which belongs to the technical field of biological feature recognition and comprises a main control board and a multi-core processor adopting an ARM framework. The main control board is connected with a binocular face enhancement camera, a binocular distance measurement camera, 16 groups of iris acquisition modules, 16 groups of near-infrared light supplement lamps, a three-color LED indicating lamp, a touch display screen and a real-time living body detection and anti-fraud module based on deep learning. According to the method, the iris features and the face features are deeply fused by adopting a multi-dimensional feature fusion and matching algorithm, so that comprehensive and accurate identity feature vectors are formed. The iris has extremely high uniqueness and stability, the face feature provides an additional identity information dimension, and the fusion of the iris and the face feature greatly improves the accuracy of identity recognition. Meanwhile, the real-time living body detection and anti-fraud module based on deep learning is trained by a large number of real samples and fraud samples, and has strong feature extraction and classification capabilities.

This utility model relates to a coconut meat crushing device for processing coconut juice beverages, including a casing with a feed inlet at the top and a crushing structure inside. The degree of material crushing is controlled by adjusting the gap between the crushing roller and the toothed plate. A guide plate is provided on one side of the feed inlet to prevent contact between the two, and a second guide plate is provided on the other side. When the bottom and top surface of the first guide plate are in close contact with the toothed plate, a 1mm gap remains between the crushing roller and the toothed plate. The crushing roller is mounted via a connecting shaft and bearing seat. The toothed plate is rotatably mounted via a mounting shaft and is connected to a sleeve on a U-shaped seat on the inner wall of the casing via an electric push rod. A motor on the side of the casing drives the toothed plate to rotate via a pulley structure. The material pushing structure at the bottom of the casing includes an arc-shaped feed pipe and a spiral conveyor frame, driven by the mounting shaft via a pulley structure to discharge the material. A filter screen and a drain pipe are installed inside the arc-shaped feed pipe for filtering and collecting coconut juice. This device can precisely control the degree of crushing, ensure stable equipment operation, and improve production efficiency.

The utility model provides a real-time feedback inspection camera, which relates to the field of inspection cameras and comprises a camera body, a sliding seat is arranged on the upper side of the camera body and mounted on a track, a mounting frame is arranged on the outer side of the camera body, the upper end of the mounting frame is connected with a fixed seat, the upper end of the fixed seat is connected with a driving box, and the upper end of the driving box is connected with a driving motor. And meanwhile, the driving box is installed at the lower end of the sliding seat, a storage cavity is formed in the driving box, a double-shaft motor is arranged in the storage cavity, the two ends of the double-shaft motor are connected with lead screws, the outer sides of the lead screws are in threaded connection with moving plates, the lower ends of the moving plates are connected with light shielding plates, and the light shielding plates slidably penetrate through the box walls of the two sides of the driving box. An inner cavity is formed in the shading plate, a circuit board is arranged in the inner cavity, and LED lamp beads are connected to the lower end of the circuit board. The LED lamp has the effect of being suitable for being used in a strong light direct irradiation environment or a low-illumination environment, the use environment range is widened, and a certain protection effect is achieved.

This invention provides a video surveillance device for power applications. The device includes: a mounting base, a monitoring unit mounted on the mounting base, a protective component mounted on the mounting base with the monitoring unit housed within the protective component, and a reservoir for storing cleaning fluid on the mounting base. The video surveillance device for power applications provided by this invention achieves comprehensive protection and automatic cleaning of the monitoring unit through the protective component. The protective cover is made of colored polycarbonate material, which can attenuate strong light, prevent overexposure of the monitoring image, and withstand harsh outdoor environments such as rain, snow, and dust, protecting the monitoring unit from damage without affecting night vision. A motor-driven cleaning brush rotates and wipes, automatically removing stains from the surface of the protective cover, eliminating the need for manual cleaning at heights, reducing maintenance difficulty, ensuring consistently clear monitoring images, and extending the device's service life.

This invention provides a method and apparatus for secure isolation of design data supporting regional collaborative development, relating to the technical field of data processing. The method includes: acquiring design data from different plants and institutes and binding them with data security region identifiers; constructing a multi-layered nested data security region structure and generating a set of cross-regional collaborative constraint rules; performing structural pruning, parameter mapping, and semantic dimensionality reduction on the design object data during cross-regional calls to form a restricted data expression set; constructing a cross-regional controlled data view based on the restricted data expression set and combining it with stage status identifiers to achieve dynamic control of the shared scope; simultaneously forming a data flow record set through call path resolution and binding with responsible entities; and performing abnormal access detection and adaptive policy adjustment based on the data flow record set and constraint rule set to update access boundaries and restricted data expression rules, and outputting collaborative design results. This invention can improve collaborative R&D efficiency while ensuring data security.

The application discloses an extendable concrete and rock core sample surface morphology continuous transmission scanning imaging device and method, and belongs to the technical field of rock mass surface morphology optical scanning. The device comprises a base, a hydraulic rod, an arc-shaped support frame, a scanning mechanism and a positioning mechanism. The scanning mechanism moves upward along with the arc-shaped support frame through an adjusting ring, is pushed by a second connecting rod to drive a sliding rod to move the camera unit radially, so that the distance between the camera and the core sample surface is always kept within the focusing range, and the problem that the existing technology cannot adapt to the diameter change of the core sample only by automatic focusing to cause imaging fluctuation is solved. The positioning mechanism can realize self-adaptive adjustment of illumination intensity by linkage of a light shield, a laser range finder can match the scanning speed by linkage of a gearbox, and an extension frame can realize linear butt joint of multiple devices to adapt to continuous scanning of an ultra-long core sample. The application has high imaging definition and high scanning efficiency, and is suitable for core sample digital detection in the fields of water and electricity, traffic and the like.