20results about How to "Remove shadows" patented technology

The utility model belongs to the technical field of electroetching pens, and discloses a combinable and spliced electroetching pen, which comprises an upper pen shell and a lower pen shell which are in threaded connection, a storage battery is arranged in the upper pen shell, a power module is arranged in the lower pen shell, the power module is connected with a connector, the connector is connected with a carving head, and the carving head is connected with the storage battery. The electric etching pen comprises an upper pen shell and a lower pen shell, a heat absorption sleeve is arranged on the outer side of the upper pen shell, the lower end of the heat absorption sleeve extends to the lower pen shell, firstly, the electric etching pen is of a split structure, different storage batteries and power modules can be replaced according to needs, and secondly, positioning protrusions on the inner wall of the heat absorption sleeve extend into positioning grooves in the outer walls of the upper pen shell and the lower pen shell respectively. Therefore, relative rotation of the upper pen shell and the lower pen shell due to vibration can be prevented, loosening is avoided, and finally, the structure of the heat absorption sleeve can absorb part of heat during working, so that the electric etching pen can work better.

The utility model relates to the technical field of lamps and discloses an LED module which comprises an inner light source plate, first LED light source lamp beads are evenly welded to the surface of the inner light source plate, a color temperature switch is welded to the position, close to the middle, of one side of the surface of the inner light source plate, a power switch is welded to one side of the surface of the inner light source plate, and an outer light source plate is arranged outside the inner light source plate in a sleeved mode. Second LED light source lamp beads are evenly welded to the surface of the outer light source plate, a male end terminal is welded to one end of the surface of the outer light source plate, a female end terminal is welded to one end of the inner light source plate, and the outer light source plate and the inner light source plate are communicated in an inserted mode through the male end terminal and the female end terminal. The whole lamp is filled with light of the original inner light source plate and the sleeved outer light source plate, so that shadows on the edge of the lampshade are eliminated, and people feel comfortable.

This invention discloses a reading and writing glasses with illumination function, belonging to the field of eyewear and intelligent lighting technology. It includes a frame, lenses, a left temple, a right temple, a power supply, and a control system. The outer side of the lens has a reading light-inlet slope and a reading light emitter, while the inner side has a writing light-inlet slope and a writing light emitter. The lens incorporates Type I and Type II scattering points to achieve directional and uniform light emission. The control system integrates a Hall sensor, a light intensity sensor, a distance sensor, a button switch, a touch sensor strip, and a micro-vibrator, providing dual-mode lighting for reading / writing, stepless dimming, ambient light adaptation, automatic power-off when the legs are closed, and posture vibration reminders. The lens surface is coated with multiple layers of anti-reflective, blue light-blocking, hardened, hydrophobic, and oleophobic films. This invention offers precise, shadowless illumination, ease of use, eye protection, and stable battery life, meeting the reading and writing lighting needs of students and office workers.

According to the wavelet transform-based threshold reconstruction micro-amplitude structure identification method and device provided by the invention, equal-interval sampling is carried out on equal-interval sampling two-dimensional data through wavelet transform, and a'scale-frequency 'wavelet function is established. Wavelet transformation is carried out based on equally-spaced sampled two-dimensional data, structural fluctuation is decomposed in a multi-scale mode, the identification weight of signal high-frequency components on microstructures is improved, wavelet coefficients are optimized through threshold value control to obtain a low-frequency structure background and high-frequency microstructure fluctuation, the shielding effect of the low-frequency components of the structures on microstructure identification is eliminated, and the identification accuracy of the microstructures is improved. Medium-high frequency fluctuation information is better reserved, and the micro-structure recognition precision and recognition efficiency are improved.

A cantilever learning desk with coordinated lighting comprises a desk board, a desk leg and a multifunctional support device fixed to the rear edge of the desk board. The device comprises a fixed base, a support arm connected to the base through a planar rotary pair to realize horizontal rotation, an adjusting arm connected to the support arm through a rotary pair to realize pitching swing, a device clamping device connected to the distal end of the adjusting arm through a spherical universal joint to realize multi-degree-of-freedom spatial posture adjustment, and a long strip-shaped lighting module on the lower surface of the adjusting arm. The device and the light source position are comprehensively coordinated and adjusted through multi-stage joints, and the desktop space is effectively saved.

The invention discloses a single-camera multi-projection biaxial projection structured light three-dimensional reconstruction measurement system, and relates to the technical field of structured light measurement. The method comprises the following steps: projecting structured light to a detected object by using a structured light projector to generate a double-axis phase-coded fringe image, collecting the image, reconstructing a height map of the detected object according to the image, removing noise of a sheltered area according to the installation position of a structured light projector group and the collected image, and obtaining an unsheltered real height area height map, fusing the height maps of the real height regions to obtain a complete and accurate height map, and obtaining point cloud data of the detected object according to the height map and performing three-dimensional reconstruction; according to the invention, the structured light projector can project the structured light rotating by 45 degrees and present double-axis phase coding stripes on the detected object, so that the influence of shadow and high reflection is eliminated, the number of effective point clouds is increased, the measurement precision and accuracy of the system are improved, and a complete and accurate measurement result of the detected object is obtained.

The invention discloses a spliced image latticed shadow elimination method based on overlapping region consistency. The method comprises the following specific steps: acquiring adjacent image sequences with partial overlapping regions; selecting a central region as an ideal gray value reference by using a calibration image shot under a uniform light source, and calculating a deviation image; establishing a basic vignetting correction model through spherical surface fitting based on the deviation image; determining an overlapping region through an image registration algorithm, and calculating a gray value error sum in the overlapping region; an optimal correction coefficient is determined by minimizing the sum of total gray value errors of all overlapped areas, and the correction model is dynamically adjusted; and finally, correcting the image sequence by using the updated correction model, and eliminating the latticed shadow. According to the method, the brightness uniformity and the visual consistency of the spliced image are improved, and the latticed shadow caused by the vignetting effect can be effectively eliminated.

This invention relates to the field of lighting engineering technology, and more particularly to a method for eliminating shadows generated in the lighting environment of recessed structures. The technical solution includes: horizontally arranging flat panel lights at the decorative ceiling directly above the recessed structure, so that the beams are perpendicularly illuminating the front plane of the recessed structure; measuring the beam angles of each flat panel light in front of and to both sides of the recessed structure and their horizontal distances from the recessed structure, calculating the length of the shadows cast by each flat panel light at the recessed structure, and identifying all flat panel lights that produce shadows; calculating the length of a light-shielding plate using a formula based on the beam angle, the clear height of the decorative ceiling from the ground, and the horizontal distance between the flat panel lights and the recessed structure, and calculating the installation angle of the light-shielding plate using a formula; and installing light-shielding plates of corresponding length and angle in front of each flat panel light that produces a shadow, thus trapping the beam of light that produces the shadow below the recessed structure. This invention eliminates dark spots and shadows at recessed structures without replacing the light fixtures or modifying the ceiling.

The utility model discloses a kind of brake disc air passage detection devices, including feeding conveying line, detection component, discharging conveying line, transport component and control system, feeding conveying line is used to convey the brake disc to be detected, detection component includes rack, motor, rotating platform and industrial camera, rotating platform and industrial camera are respectively arranged on rack, brake disc is placed on rotating platform, motor is used to drive rotating platform rotation to drive brake disc synchronous rotation, industrial camera is used to collect the image information of the air passage of brake disc, discharging conveying line is used to convey the brake disc of detection completion, transport component is used to grab the brake disc of feeding conveying line and send to rotating platform and grab the brake disc on rotating platform and send to discharging conveying line, control system is electrically connected with motor, industrial camera and transport component respectively.The utility model can realize the automatic detection of brake disc air passage, satisfy the detection demand of large quantities of brake disc air passage.

The utility model relates to lamps and lanterns and LED lamp panel, the lamps and lanterns include base, lamp shade and LED lamp panel, the lamp shade installs on the base, the LED lamp panel places in the lamp shade, and is connected with the base, the LED lamp panel includes PCB board, positive light emitting module and lateral light emitting module, the PCB board is long strip shape design, the positive light emitting module installs on the PCB board, and the positive light emitting module emits light along the thickness direction of the PCB board, the lateral light emitting module installs on the PCB board, and the lateral light emitting module emits light along the width direction of the PCB board.

The utility model relates to a kind of light-emitting tweezers, including handle and tweezers, the one end of handle is equipped with clamping groove, the other end of handle is equipped with charging port, the tweezers are inserted in the handle by the clamping groove, the upper portion of the tweezers is fixed with optical fiber, circuit board is arranged in the handle, the front end of the circuit board body is equipped with the clamping assembly for clamping optical fiber, the circuit board on the rear end of the clamping assembly is fixed with light source, switch is arranged on the circuit board, button is arranged on the handle with the switch position opposite. The utility model can realize the position fixing of optical fiber directly on circuit, avoid the problem of position movement in use.

The invention belongs to the technical field of pipeline robots, and particularly relates to a control method and device suitable for a seawater pipeline coating removing robot, and the control method comprises the steps: 1, obtaining the walking data of the robot in a pipeline, and controlling the walking route of the robot; 2, a high-pressure water gun is adopted for spraying the seawater pipeline to remove a coating, a pipeline inner wall image sprayed by the robot is captured and captured in real time, and the sprayed pipeline inner wall image is obtained; 3, performing digital image processing on the sprayed pipeline inner wall image to obtain a digital image analysis result; 4, the cleaning effect of the robot is judged according to the digital image analysis result; 5, according to the cleaning effect of the robot, whether the moving speed of the robot and the cleaning frequency of the high-pressure water gun are adjusted or not is judged. The visual module with a visual detection function is adopted, the inner wall of the cleaned pipeline can be captured in time, images are processed, and the moving speed and the cleaning frequency of the robot are adjusted according to the processing result.

The utility model belongs to the technical field of media art photography, and particularly discloses a shadowless digital photography box which comprises a hollow box body defined by a top face, a bottom face and side faces, a plurality of light sources are arranged on one face, in the box body, of the top face, and the top face is in a dome shape or a hollow quadrangular frustum pyramid shape with an opening in the lower bottom. The light sources are evenly distributed on the top face, and the irradiation direction of each light source is the same as the orientation of the top face of the corresponding installation position. The light sources irradiating in different directions are provided to eliminate shadows left by photographing, the light sources do not need to be arranged on site, and the labor cost and the time cost can be reduced. The photographing device is suitable for photographing artworks, jewelry, sculptures, ornaments and the like.

The invention discloses a reflective lampshade of a backlight module, comprising a plurality of reflective units (1) arranged in an array, each of the reflective units (1) comprising a bottom opening (11) and a side wall (12), the side wall (12) being arranged around the bottom opening (11), the side wall (12) and the plane where the bottom opening (11) is located forming an acute angle; the top (121) of the side wall (12) has an arc-shaped structure in longitudinal section. By providing the top (121) of the arc-shaped structure, the contact surface between the reflective lampshade and the diffuser plate above can be reduced when the reflective lampshade is installed, thereby reducing the shadow on the backlight module and improving the uniformity of the light emission of the backlight module.

The present invention discloses an AOI inspection inkjet printer for die-cut products on a roll. The AOI inspection inkjet printer comprises a chassis, a base plate connected to the middle of the chassis, a film frame fixed vertically on the rear end of the base plate, two carrier plates and a plurality of vacuum suction plates installed on the panel, a CCD camera arranged directly above the front carrier plate, a CCD camera arranged directly below the middle carrier plate, an inkjet printer assembly arranged above the vacuum suction plate at the rear end of the panel, a material discharge assembly installed under the left end of the film frame and a material collection assembly installed under the right end, a waste film collection assembly installed on the left end of the film frame and a film discharge assembly installed on the right end. The present invention has the effects of continuous conveying of roll-shaped material tape, CCD high-precision AOI inspection, automatic inkjet printing, stable product delivery quality, and high production efficiency.

The utility model discloses an intelligent light-supplementing beauty mirror, which comprises a lower shell and an upper cover arranged above the lower shell, and is characterized in that a light-supplementing lamp is arranged on the inner side of the upper cover, a mirror surface is arranged on one side of the upper cover, a mainboard is arranged on the inner side of the lower shell, the mainboard is detachably arranged in the lower shell, a fixing ring is arranged on one side of the mainboard, and the fixing ring is detachably arranged in the lower shell through threads. A fixing frame is arranged on one side of the fixing ring, a support is arranged on one side of the fixing frame and fixedly installed on the fixing frame, a motor is arranged in the support and detachably installed in the support, a massage head is arranged on one side of the support and detachably installed on one side of the fixing frame, tentacles are arranged on one side of the massage head, and the tentacles are movably installed in the massage head. According to the utility model, a user can conveniently carry out positioning and fixed-point massage on dead angles of skin needing to be acted, and the problem that the positioning of a massage part is inaccurate due to unclear sight of the user in the use process is solved.

The utility model relates to the technical field of catalyst purging. The utility model discloses an industrial catalyst purging device convenient for observation, which comprises a purging chamber, observation windows fixedly connected to two sides of the purging chamber, a guide rail fixedly connected to the inner side of the purging chamber, an air distribution pipe fixedly connected to the top of the guide rail, and protection components fixedly connected to two sides of the purging chamber, the top of the inner wall of the purging chamber is fixedly connected with a searchlight, the outer side of the guide rail is slidably connected with a purging assembly, through the arrangement of the searchlight, uniform and sufficient illumination is provided for the interior of the purging chamber, shadows are eliminated, a clear and bright visual field is provided for manual hole blockage inspection with naked eyes, a servo motor is started to drive a rubber pressing wheel to rotate, and the purging assembly is driven to rotate; and the rubber pressing wheel rotates reversely through friction force in the rotating process, so that the deflection angle of the air knife can be adjusted, the surface of the catalyst can be blown in all directions, and redundant slurry is effectively removed.

The invention discloses a glass bottle opening crack detection device and a use method thereof, and relates to the technical field of crack detection, the glass bottle opening crack detection device comprises a mounting rack, the bottom of the mounting rack is provided with a three-jaw chuck, and the three-jaw chuck is used for clamping a glass bottle; the lifting device is mounted at the top of the mounting frame; and the rotary detection device is connected to the bottom of the lifting device. When the lifting device moves downwards to be inserted into the bottle opening, the optical detection unit is driven to rotate, images of the bottle opening at different angles are collected, the limitation that the shooting angle of an annular fixed industrial camera and the included angle between the cameras are fixed in the prior art is broken through, and full-circumference image collection of the bottle opening can be achieved without depending on the layout of multiple sets of fixed cameras; hardware investment of multiple sets of industrial cameras and matched installation structures is reduced, the equipment manufacturing cost is reduced, meanwhile, detection blind areas are eliminated, crack defects of all angles and edge details of the bottle opening are conveniently captured, and the probability of missed detection is reduced.

The utility model discloses a fisheye panoramic doorbell image center auxiliary verification device, which relates to the panoramic doorbell technology field, and comprises a verification box and a placing seat, the verification box is internally provided with a verification cavity, the inner side wall of the verification box is provided with a light-emitting member, the placing seat is arranged on the outer side surface of the verification box, and the verification cavity is provided with a light-emitting hole. The placement seat is provided with a verification hole, the verification hole is communicated with the verification cavity through a verification window formed in the side face of the verification box, and a lens of the fisheye doorbell observes the verification cavity through the verification hole; a closed controlled optical environment is formed by adopting the verification cavity arranged in the verification box and the light-emitting part arranged on the inner side wall, and light fluctuation, shadow and reflection interference of an external environment are eliminated through the uniform and controllable light source, so that the image sensor is ensured to acquire a stable calibration picture; and the fisheye doorbell can be quickly and accurately placed through the placing seat and the verification hole, so that repeated manual adjustment is avoided, and high-precision and high-efficiency calibration of the center of the fisheye image is realized.

The invention relates to the technical field of food package detection, and discloses packaged food sorting equipment carrying a multi-view imaging processing system, which comprises a sorting machine, a material conveying and separating module, a feeding module and a discharging module, the sorting machine is used for conveying materials and simultaneously removing and sorting the materials; the material conveying and separating module is used for receiving the materials output from the feeding module, conducting front and back face recognition on the materials, shaping the materials on the back face and then conveying the materials into the sorting machine. The two discharging modules are used for being in butt joint with the sorting machines, one discharging module is in butt joint with good materials conveyed by the sorting machines, and the other discharging module is in butt joint with different materials conveyed by the sorting machines. Complete image information of the periphery of the material can be obtained only through the two cameras and the reflecting mirror set, configuration is simple, and installation and adjustment are easy; during working, the material state is accurately recognized, and shaping is reliable; illumination is uniform, reflected light and imaging shadows are effectively eliminated, and recognition is more efficient and accurate.