42 results about "Flat mirror" patented technology

The invention discloses an indoor scene three-dimensional reconstruction method based on deep fusion and confidence modeling, and belongs to the technical field of computer vision. According to the method, composite data frames such as a color image, a depth map, an IMU (Inertial Measurement Unit) and a camera attitude are comprehensively utilized to carry out regional three-dimensional reconstruction on an indoor scene: firstly, the scene is divided into a smooth region (such as a wall, a ground, a ceiling, a glass plane, a mirror surface, a blackboard and other planes) and a complex curved surface region; aiming at the smooth area, adopting geometric prior guide plane fitting provided by a visual large model, and combining sensor attitude information to quickly reconstruct a regular plane model; for a complex curved surface area, a multi-frame point cloud fusion strategy is adopted to accumulate different view angle information, and a deep residual error refining network is utilized to recover curved surface details, so that a high-precision curved surface model is obtained. According to the method, the three-dimensional structure of the indoor scene can be efficiently reconstructed, the global framework of the smooth area is reserved, and the details of the surface of a complex object are depicted in detail.

The utility model belongs to the technical field of makeup tables, and particularly relates to a multifunctional makeup table which comprises a main table, auxiliary tables used for supporting the main table are arranged below the left side and the right side of the main table, an adjusting rod is rotatably installed on the upper end face of the main table away from a makeup person, and a makeup mirror assembly is rotatably installed on the top of the adjusting rod. The cosmetic mirror assembly has two states of being far away from a makeup person and being close to the makeup person by rotating the adjusting rod, the cosmetic mirror assembly comprises a mirror shell, the mirror shell is hinged to a cover plate through a hinge, a mounting cavity is formed in the mirror shell, a magnifying lens is arranged in the mounting cavity, and a plane mirror is arranged on the cover plate of the mirror shell. The cosmetic mirror assembly comprises the mirror shell and the cover plate, the mirror shell and the cover plate are provided with the magnifying glass and the plane mirror respectively, and different cosmetic requirements are provided for a makeup person.

1. The name of the design product: mirror frame (wrinkle texture). 2. The use of the design product: living product, used to wrap plane mirror, with good ornamental value and practical value. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: front view. 5. No design points, omitting plan view; no design points, omitting elevation view.

The application belongs to InGaAs infrared focal plane detector, and provides a preparation method of a new type of InGaAs short-wave infrared detector. After growing P electrode, N electrode, P type metal and N type metal to form ohmic contact, growing connecting layer metal, thinning and polishing InP substrate to form a flat mirror surface, corresponding photoetching on a readout circuit wafer, growing lower electrode metal and indium column, and then carrying out metal stripping; InP epitaxial wafer PDA and readout circuit are uniformly glued, protected, and diced to form independent single; PDA and readout circuit are inversely interconnected to form an infrared detector, and secondary polishing treatment and growth of anti-reflection coating are carried out. The indium column is grown at the end of the readout circuit, and one-step photoetching can be completed. The PDA chip end can reduce the growth of the lower electrode, the growth of the indium column, and the growth of the corresponding passivation layer and the opening of the passivation layer. The process steps are reduced, the probability of defects is reduced, the production cost is reduced, and the final yield of the product is further improved.

1. The name of the design product: flat mirror (terminator astigmatism). 2. The use of the design product: for lighting, reflecting and focusing light. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 front view. 5. Design 1 is designated as the basic design.

The application provides a filter field capacitor small sleeve guide rod lead wire crimping die, and belongs to the technical field of dies. The filter field capacitor small sleeve guide rod lead wire crimping die comprises a lower die, a supporting inclined block, a frame die and an upper die. A pair of limiting holes are formed in the vertical plane of the lower die. A connecting hole corresponding to the limiting hole horizontally is formed in the other inclined surface opposite to the limiting hole. The vertical plane top of the lower die is an arc surface with a 120-degree concave. Another lower die is arranged in mirror image symmetry along the vertical plane of the lower die. The application can control the elastic diameter change contraction of the crimping die cavity along with the guide rod diameter, ensure that the guide rod is in close contact with the copper lead wire after crimping within a certain diameter specification error range, the internal guide rod does not have local gaps, eliminates the overheating hidden danger caused by poor contact, and makes every crimping reach the best effect.

The invention provides an intersecting line cutting device which is characterized in that a plurality of optical plane mirrors are arranged in an observation connecting box to form a light path system, and the light path system is used for refracting a cutting point image to an external observation window; the driving end assembly comprises a double-shaft output motor, a right output shaft of the double-shaft output motor is in transmission connection with the driven end assembly through a synchronous belt, and synchronous rotation of the driving end assembly and the driven end assembly is achieved. A vertical plate of the driven end assembly is composed of two adjusting plates capable of moving relatively, and centering adjustment of a workpiece is achieved through locking and fixing of screws.

The utility model belongs to the technical field of teaching aids, and particularly relates to a plane mirror-based plate surface fixing device, which comprises a storage plate, a sector plate is fixed on the front side of the storage plate, a plane mirror is arranged on the upper side of the storage plate, slots are uniformly arranged on the side wall of the sector plate, paperboards are inserted into the slots, and the plane mirror is arranged on the upper side of the storage plate. A plane mirror is fixed to the upper end of the paper board, the lower side of the paper board makes contact with the upper side of the plane mirror, an angle adjusting mechanism is fixed to the front side of the storage plate, and a limiting clamping mechanism is fixed to the upper end of the angle adjusting mechanism. The reflection law is verified through results of multiple groups of experiments, and when the plane mirror and the paper board do not need to be used, the plane mirror and the paper board can be stored in the storage groove, so that the storage space is saved, and damage is avoided.

The invention belongs to the technical field of vision measurement, and particularly provides a wide-view-field high-precision vision measurement system and a wide-view-field high-precision vision measurement method simulating a human eye perception mode. The system comprises a single-camera spherical mirror binocular sensor, a single-camera plane mirror binocular sensor, a servo device, a data transmission line, a computer and a calibration device. The measurement method comprises a calibration stage and a measurement stage. In the calibration stage, imaging model parameters of the virtual camera, an essential matrix and structural parameters of the binocular sensor, structural parameters of the measurement system and structural parameters of the calibration device are calibrated. In the measuring stage, the single-camera spherical mirror binocular sensor is used for carrying out wide-view-field rough scanning, the servo device is guided to adjust the single-camera plane mirror binocular sensor so that a target object can be located in the view field of the single-camera plane mirror binocular sensor, an image is captured and transmitted to a computer for processing, and high-precision three-dimensional measurement is achieved. According to the invention, by constructing a measurement system in a human eye perception simulation mode, the contradiction between the field of view and the precision of a traditional vision measurement system is solved, a new intelligent self-adaptive measurement mode is established for wide-field-of-view high-precision three-dimensional vision measurement, and the method can be widely applied to the fields of automatic driving, robot navigation, industrial detection and the like.

The application discloses a kind of calibration methods, equipment, medium and product for line spectral confocal system, involve line spectral confocal calibration technical field, the method comprises: obtaining the spectral image formed by the plane mirror of different height measured at each calibration point of target line spectral confocal system, obtain the target spectral image of each calibration point;The peak sub-pixel level extraction is carried out to the target spectral image of each calibration point according to column, and the peak position-height corresponding data of each column spectral data of each calibration point is obtained;Based on the peak position-height corresponding data of the same column spectral data of all calibration points, data set is constructed;Based on each data set constructed, combined with the constraint condition set, respectively carry out cubic spline fitting, obtain the cubic spline fitting model of each column spectral data of target line spectral confocal system, wherein, constraint condition includes boundary condition and smoothing condition;The calibration precision of line spectral confocal system is improved.

1. The name of the design product: dome glasses frame (2). 2. The use of the design product: living product, used to wrap plane mirror, with good ornamental value and practical value. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: front view. 5. No design points, omitting plan view; no design points, omitting elevation view.

The utility model relates to plane mirror processing technical field discloses a kind of step plane mirror multi-step synchronous grinding equipment, including operation platform, the upper portion of operation platform is provided with step plane mirror body, the side of operation platform is fixedly connected with mounting bracket, the upper surface of mounting bracket is fixedly installed with first hydraulic cylinder, and the output of first hydraulic cylinder is provided with grinding assembly;Grinding assembly includes guide rod, and guide rod is fixedly connected at the output of first hydraulic cylinder, and the side of mounting bracket is provided with guide slot, and guide rod is slidably connected in the inside of guide slot.The utility model top film block can be rotated and ground to the top surface step of step plane mirror, and the side step grinding block can be ground to the second ladder top surface, save time and effort and improve grinding efficiency;Second hydraulic cylinder can adjust step grinding block longitudinal position according to step position and press down to make it adhere to second step, and it is convenient to adjust horizontal position by the aid of connecting column transmission for the second step width, and it is convenient to adapt to different size step plane mirror.

The invention relates to the technical field of cable monitoring, and provides a cable state monitoring device and a use method thereof. The cable state monitoring device is suitable for monitoring the use state of a cable in the operation of a crown block, and comprises a base frame which is hung on the crown block and is provided with a passing cavity for the cable to pass through; the image acquisition module comprises an image acquisition unit, a first plane mirror and a second plane mirror which are arranged at intervals in the circumferential direction of the passing cavity so as to acquire surface image information of the complete circumferential direction of the cable within the preset length; the cleaning module is arranged on the base frame and is used for cleaning the image acquisition module so as to keep the surface image information unshielded; and the image processing module is configured to be capable of receiving the surface image information and judging the state of the cable based on defect factors in the surface image information. According to the cable monitoring device, the use state of the cable can be monitored in the running process of the crown block, and the use quality of the cable monitoring device can be improved.

The application discloses a scratch repair machine for lenses, which comprises a frame body, a grinding cylinder with a top opening is arranged on the frame body, a grinding head is arranged in the grinding cylinder and rotates upward, and a cooling pipe is arranged on the frame body and is close to the grinding head. When the lens is ground, the lens is clamped to achieve positioning, which solves the safety hidden danger caused by the unstable contact between the lens and the grinding head when the lens is directly held by hand, and effectively avoids the problem of excessive grinding of the lens and the unqualified waste of the lens. Meanwhile, the repair machine can realize the left and right movement and the overturning of the lens, realize the grinding operation of the non-planar lens, and improve the applicability of the repair machine.

1. Name of the product in this design: Picture Frame (202501). 2. Purpose of this design: a household product used to cover a plane mirror, possessing both aesthetic and practical value. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view. 5. If there are no design points, omit the top view; if there are no design points, omit the bottom view.

In one embodiment, a system includes a flow cell assembly having a flow cell body with a base having an opening allowing sheathed sample fluid to flow out, a bracket coupled to the flow cell body, a flat mirror mounted to the bracket, a hardware triggered camera coupled to the bracket on one side, and a diffused light emitting diode strobe light coupled to the bracket on an opposite side. The camera and strobe light are pointed at the mirror on opposite sides. Activation of the diffused LED strobe light generates a diffused strobe light into the mirror backlighting a droplet stream. Triggering of the camera is synchronized with the generation of the strobe light to periodically capture a brightfield still image of the droplet stream. The image can be analyzed for measured jet breakoff point and measured droplet interval point for visual feedback control of the droplet stream.

The application discloses a kind of dispersion prism self-rotating direction's calibration method and device, the method includes: the dispersion prism, flat mirror and theodolite are placed according to measurement light path;Adjust the angle of theodolite, precision measuring mirror and flat mirror, make the self-rotating image reflected by flat mirror coincide with the cross wire in theodolite ocular, obtain initial angle;The geometry of the back surface, front surface and front end face of dispersion prism is fitted using multiple points, obtain first spherical surface, second spherical surface and first plane;Second plane where dispersion prism is located is fitted;Based on initial angle, adjust the angle of precision measuring mirror, theodolite and flat mirror, make the self-rotating image returned by flat mirror coincide with the cross wire of theodolite;Measure the target included angle of second plane and fourth plane, and take the target included angle as the final calibration value of the self-rotating direction of dispersion prism.The above-mentioned method introduces the reference of the self-rotating direction of dispersion prism to precision measuring mirror, and improves the calibration accuracy of the self-rotating direction and the assembling efficiency of dispersion prism.

The application discloses an intelligent cosmetic mirror and a method for displaying an auxiliary makeup, and is used for providing a makeup auxiliary function for a user based on the intelligent cosmetic mirror. The intelligent cosmetic mirror comprises a camera, a plane mirror, a display screen and a processor. In response to a makeup auxiliary function instruction of the intelligent cosmetic mirror, a human face posture in a human face image captured by the intelligent cosmetic mirror is determined according to a judgment rule of a human face part corresponding to the makeup auxiliary function instruction. A makeup model corresponding to the human face part and the human face posture is determined according to the human face part and the human face posture corresponding to the makeup auxiliary function instruction. An auxiliary makeup area is determined according to the makeup model and a human face key point position in the human face image. The auxiliary makeup area is displayed at a makeup position of the human face in the intelligent cosmetic mirror, wherein the makeup position is determined based on the human face part corresponding to the makeup auxiliary function instruction and the human face key point position.

This utility model relates to a platform device for collecting reflectance spectra using a desktop reflective film thickness gauge, belonging to the field of integrated circuit or discrete device manufacturing technology. It includes a platform with a vacuum chamber at its bottom and a vacuum connector at the center of the bottom of the platform, the inner cavity of the platform being connected to the vacuum chamber via the vacuum connector; multiple sets of vacuum adsorption holes are formed on the top surface of the platform; a vacuum switch is provided on the vacuum chamber; a rotating bracket is provided between the vacuum chamber and the platform, the rotating bracket being fixed to the bottom of the platform; the rotating bracket can rotate on the vacuum chamber, driving the platform to rotate synchronously; a moving unit is provided below the vacuum chamber, the moving unit having a mirror stage, and an inclined mirror and a plane mirror are provided on the mirror stage. This application simplifies the spectral acquisition process, prevents the sample to be tested from shifting or shaking, improves testing accuracy, and achieves efficient and stable film thickness testing.

The application discloses a mirror surface topography measurement method and device based on projection imaging contrast, wherein the imaging plate in the device is parallel to the mirror surface placed at the measured point, and the optical axis of the camera is perpendicular to the imaging plate; the projection device is used for projecting the speckle picture to the measured mirror surface; the camera is used for collecting the speckle image reflected to the imaging plate by the measured mirror surface as a change image; the reference image is stored in the processor, and the reference image is the image collected by the camera when the reference flat mirror is placed at the measured point; the processor is further used for determining the three-dimensional topography of the measured mirror surface according to the displacement change amount of the speckle based on the reference image and the change image. The topography of the measured mirror surface is measured through the projection light reflection angle change principle, the defocus problem caused by the fact that the camera directly faces the mirror surface is avoided, the measurement accuracy of the warping deformation can reach the micron level, the detection efficiency is high, and the method is suitable for large batch rapid detection of actual production lines.

The application provides a method for aligning a camera with an LED large screen, comprising the following steps: S1, setting a sighting plane mirror mechanism in front of the LED large screen and a camera which needs to be aligned with the LED large screen; S2, adjusting the position of the sighting plane mirror relative to the LED large screen; S3, adjusting the tripod and the connecting platform to the control machine display screen so that the camera lens reflection and the second crosshair reflection can be seen; S4, adjusting the tripod and the connecting platform to the control machine display screen so that the second crosshair reflection coincides with the first crosshair; and S5, removing the sighting plane mirror mechanism. The application can realize that the camera lens is maximally close to the vertical with the LED large screen during the debugging process, and the operation of aligning the camera with the LED large screen is completed.

The application discloses a plane prescription lens phase coding method and system applied to the technical field of plane prescription microstructure design, and the method comprises the following steps: obtaining prescription parameters, wearing posture parameters and manufacturing assembly constraints, performing equivalent compensation on the prescription and executing axis position rotation in a plane lens coordinate system, further generating a target wavefront, a two-dimensional phase field and a height field, performing local power continuity checking and manufacturability checking on the phase field, and outputting a phase diagram, a height diagram, a manufacturing file and a parameter list, and the system comprises an input module, a coordinate transformation module, a phase coding module, a manufacturability evaluation module and an output module. Through the above scheme, the spherical lens, the cylindrical lens and the axis position can be written into the plane microstructure, and the local image quality continuity and the manufacturing realizability can be controlled simultaneously.

The utility model relates to the technical field of surgical glasses, in particular to surgical glasses suitable for conversion between a 3D laparoscopic surgery and a common surgical operating table. According to the technical scheme, the glasses comprise a glasses frame, ear hanging parts are connected to the two sides of the glasses frame, and the glasses frame comprises a plane mirror and a 3D lens; each ear hanging part comprises horizontal rods fixedly connected to the two sides of the glasses frame, ear hanging rods are arranged at the parallel positions below the horizontal rods, micro motors are installed in the ear hanging rods, the output ends of the micro motors are connected with screw rods, the screw rods are connected with two sets of supporting rods, and the top ends of the supporting rods are rotationally installed on the lower surfaces of the horizontal rods. The lenses of the glasses adopt multi-focus lenses, have different optical characteristics in different areas, meet different requirements of 3D and naked eyes, reduce the adjustment burden of the glasses, and do not need to replace or remove the glasses during the operation of a 3D display screen and a common operation.

This application discloses a personalized wavefront compensation method, system, computer device, and storage medium based on the wearing geometry optical path. The method includes: acquiring prescription parameters, geometric parameters, and individualized ocular physiological parameters including corneal anterior surface morphology data of the wearer's eyeball; constructing a vector tracing model containing the dynamic trajectory of the corneal apex and the posterior surface of the lens, with the eyeball rotation center as the origin; inputting the geometric parameters into the model for ray tracing to calculate the distortion phase distribution; generating a personalized wavefront compensation term based on the distortion phase distribution; fusing the compensation term with the basic phase field corresponding to the prescription parameters to obtain a fused phase field; performing a conformal mapping transformation on the fused phase field to obtain a planarized customized phase distribution; and generating height field data for driving micro / nano manufacturing processes based on the planarized customized phase distribution. This application solves the technical problem of planar lenses being difficult to match in three-dimensional wearing states, achieving wavefront compensation that accurately matches actual wearing conditions.

The embodiment of the utility model discloses an electronic device, which is characterized in that the projections of the axes of at least two loudspeakers of a first loudspeaker array arranged on a support column on a horizontal plane are symmetrical about a reference plane mirror image and form a predetermined first included angle, and the reference plane passes through the central axis of the support column; therefore, sound waves of the first loudspeaker array can cover a large range, even if a user is not in front of the display screen, attenuation of high-frequency sound waves emitted by the first loudspeaker array to the position where the user is located is small, and therefore the high-frequency sound quality of the electronic equipment is guaranteed.

It is to provide an attachment structure of a head-up display device to a vehicle that can reduce the virtual image blurring occurred due to vibrations. The HUD device (1) includes a housing (70), a display device (30), a plane mirror (21), a concave mirror (20), and a control portion (60). The concave mirror (20) is supported by the housing (70) to be freely rotated. In the attachment structure (101) of the HUD device (1) to the vehicle, in order to reduce the virtual image blurring due to the vibrations, a first elastic member (42) and a second elastic member (43) are provided. The first elastic member (42) is provided between a protrusion portion (41) provided in the housing (70) and a vehicle body structure (100). The second elastic member (43) is provided between a rear surface (a surface not at the side of the reflection surface) of the concave mirror (20) and the internal surface of the housing (70).

An automobile sun shield with a turnover type double-sided cosmetic mirror comprises a sun shield body and a cosmetic mirror assembly. The sun visor body is composed of an upper sun visor body piece and a lower sun visor body piece, the upper sun visor body piece and the lower sun visor body piece are oppositely buckled and fixedly assembled together, and a through hole for containing a cosmetic mirror assembly is formed in the middle of the sun visor body; the cosmetic mirror assembly is of a double-sided mirror structure, a plane mirror is arranged on one side of the cosmetic mirror assembly, a concave mirror is arranged on the other side of the cosmetic mirror assembly, the cosmetic mirror assembly is arranged in the through hole of the sun shield body and hinged to the sun shield body through overturning shafts arranged on the left side and the right side of the cosmetic mirror assembly, and the cosmetic mirror assembly overturns around the overturning shafts to achieve switching of the using states of the plane mirror and the concave mirror. According to the utility model, through the overturning structure of the double-sided cosmetic mirror, the switching between the use states of the plane mirror and the concave mirror is realized, and the pleasant driving experience is provided for drivers and passengers by virtue of the combined action of optical reflection of the concave mirror, visual perception of a human body and psychological factors.

The invention belongs to the technical field of vision measurement, and particularly relates to a calibration method for a single-camera double-plane-mirror stereoscopic vision sensor. The method aims at a single-camera double-plane-mirror stereoscopic vision sensor composed of an industrial camera and two plane mirrors, and a virtual binocular system is formed through mirror images of the plane mirrors. The calibration process comprises the steps that the sensor collects multiple sets of images of the plane target; extracting target feature point image coordinates; estimating initial values of camera internal parameters and plane mirror parameters, and initial values of each target pose; constructing an optimization function with a re-projection error as a target; all parameters are optimized at the same time through nonlinear optimization, and accurate sensor model parameters are obtained. According to the method, error accumulation of step-by-step calibration is avoided through a unified optimization strategy, the calibration process does not depend on the strong constraint condition of the plane mirror, the calibration precision and robustness are improved, the assembly error can be effectively corrected, and the method is suitable for high-precision three-dimensional measurement application under various non-constraint conditions.