261 results about "Shadow effect" patented technology

The invention provides a virtual imaging method and system applied to virtual shooting, computing equipment and a storage medium, and relates to the technical field of virtual imaging. The method comprises the following steps: synchronously acquiring object surface reflection characteristic data by using a multi-wavelength light source, and generating various imaging parameters through an image feature extraction network; the dynamic attitude data and binocular vision depth information are fused, and virtual and real scene dynamic space coordinate mapping is constructed; calculating the surface reflection intensity distribution of the virtual object in real time through a light propagation simulation module in combination with the specular reflectance and deformation correction parameters, and dynamically adjusting the relative position of the virtual object and the real light source; generating a continuous and smooth shadow boundary transition effect based on a material attenuation model; and performing space-time calibration on the shadow effect by using the dynamic attitude sequence to realize frame-level synchronous rendering of virtual and real light source positions and shadow changes. According to the technical scheme provided by the invention, through optical parameter modeling and dynamic path optimization, the problem of light and shadow distortion of the virtual object in a real scene is solved.

The invention belongs to the technical field of computer graphics and virtual reality, and discloses a virtual-real fusion-based panoramic roaming construction method for a digital exhibition hall, which effectively solves the problems of easy drift and offset in a virtual environment in a traditional system through a multi-sensor fusion algorithm and a closed-loop optimization mechanism. Under the complex environment of people flow change, illumination fluctuation and the like in an exhibition hall, accurate alignment of virtual content and physical space can still be kept, it is ensured that a user obtains coherent and stable visual experience in the roaming process, and a reliable space reference is provided for virtual-real interaction; the light and shadow effect and the material performance of the virtual content are naturally fused with the physical environment through the physical rendering and multi-sensory interaction technology, and meanwhile, a multi-dimensional immersion sense is constructed in combination with the spatial sound effect and interaction feedback; when the user interacts with the virtual exhibit, sensory experience close to reality can be obtained, and the sense of substitution and attraction of the digital exhibition hall are remarkably improved.

The invention relates to the technical field of performance lighting equipment, in particular to a double-shaft omni-directional steering unmanned aerial vehicle laser lamp and a control method thereof. The unmanned aerial vehicle laser lamp structure comprises a transmission device and a motor, the unmanned aerial vehicle laser lamp structure can rotate by 360 degrees along the X axis and the Y axis, magnetic fluid sealing rings are adopted for packaging, high waterproofness can be achieved, the unmanned aerial vehicle laser lamp is hung below a four-axis or six-axis unmanned aerial vehicle, a space light beam system capable of freely rotating is formed, all-dimensional irradiation is achieved, and the rich three-dimensional light beam effect is created. In addition, the flight control system of the unmanned aerial vehicle can be compatible with a small unmanned aerial vehicle performance control system, so that the unmanned aerial vehicle can be accurately integrated with other unmanned aerial vehicles and cooperate with formation performance. The visual level of unmanned aerial vehicle light show is improved, compared with traditional unmanned aerial vehicle laser equipment, the system can flexibly adjust the height and the angle, the defect that existing unmanned aerial vehicle air show lacks space light beams is effectively overcome, and a more dynamic and immersive light and shadow effect can be constructed in the air in combination with fine control.

Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The adjacent metal-containing overhang structures defining each sub-pixel of the sub-pixel circuit of the display provide for formation of the sub-pixel circuit using evaporation deposition and provide for the metal-containing overhang structures to remain in place after the sub-pixel circuit is formed (e.g., utilizing the methods of the fifth, sixth, or seventh exemplary embodiments). Evaporation deposition may be utilized for deposition of an OLED material and cathode. The metal-containing overhang structures define deposition angles, i.e., provide for a shadowing effect during evaporation deposition. The encapsulation layer of a respective sub-pixel is disposed over the cathode with the encapsulation layer extending under at least a portion of each of the adjacent metal-containing overhang structures and along a sidewall of each of the adjacent metal-containing overhang structures.

The invention discloses an indoor AR golf course binocular high-definition sensing system, and the system comprises a dynamic capturing module which comprises a high-speed camera unit, a laser radar unit, and an inertial measurement unit; wherein the high-speed camera unit is used for calculating the position change of a golf ball; the laser radar unit is used for providing three-dimensional space position information of the golf ball; the inertial measurement unit is used for monitoring the rotation rate and the speed change of the golf ball in real time; and the vibration feedback module is used for simulating the impact feeling and the rebound feeling during real ball hitting. According to the invention, the dynamic capture module and the vibration feedback module cooperate with each other, the position, track and motion state of a golf ball in a projection picture are updated in real time, the illumination, texture and shadow effects in a virtual scene are dynamically adjusted, the high-definition and low-delay visual effect is supported, and the visual effect is improved. And the sound effect matched with the ball hitting action and the motion state of the ball is matched, so that the sense of reality of indoor golf playing is provided.

The invention discloses a dynamic multi-spot projection optical system based on an LED light source, which comprises the LED light source, a reflecting cover, a grating sheet, a condensing lens, a concave reflector and an optical reflection assembly, and is characterized in that the LED light source is arranged at the bottom of the reflecting cover, and the grating sheet is provided with a light-transmitting area with a preset pattern shape; the reflecting cover consists of a plurality of plane reflectors A; the concave reflector consists of a plurality of plane reflectors B; light emitted by the LED light source forms a pattern light beam through the grating piece, the light beam is divided and reflected into a plurality of sub light beams through the conical reflecting cover, and the sub light beams are guided to the condensing lens through the optical reflecting mirror set. According to the invention, a low-cost, laser-free and safe LED scheme is adopted, and through innovative optical design, a complex dynamic light and shadow effect comparable to or even surpassing laser projection is realized, and the imaging definition is kept unchanged within a projection distance range of 2-15 meters.

The invention provides a cartoon scene light and shadow dynamic rendering method and system, and relates to the technical field of cartoon production, and the method comprises the steps: firstly building a light and shadow association relationship between scene elements (including scene static structure elements and scene dynamic role elements) in a cartoon scene, and obtaining a scene element light and shadow association map containing hierarchical division and association weights; generating a light and shadow dynamic response rule based on the scene element light and shadow association map in combination with the atmosphere type, generating an initial light and shadow rendering scheme according to the rule in combination with the current frame scene element state data and the atmosphere type identifier, and analyzing the interaction influence of the light and shadow effect of each scene element in the initial light and shadow rendering scheme; multi-round iteration is adopted to adjust and optimize light and shadow parameters to generate a final light and shadow rendering scheme, the final light and shadow rendering scheme is applied to current frame rendering, finally, key light and shadow parameters of a current frame are extracted to be subjected to coherence analysis with a previous frame, inter-frame light and shadow transition parameters are generated to be used for smooth light and shadow connection of a next frame, and smoother and more comfortable visual experience is brought to audiences.

Disclosed is a method of generating a relighted image based on an object image according to various embodiments of the present invention for realizing the problems described above. The method includes acquiring a source original image, acquiring image characteristic information based on the source original image, and generating the relighted image based on the source original image, the image characteristic information, and target lighting information, in which the relighted image is an image reflecting a realistic human skin tone, texture, and a shadow effect under the target lighting conditions, and is an image whose a lighting effect is changed compared to the source original image.

The invention discloses a real-time dynamic light and shadow rendering optimization method based on an unreal engine, and relates to the field of light and shadow rendering, and the method comprises the steps: firstly distributing shadow importance scores for all grid objects in a scene based on a camera view cone and AI context data, and carrying out the priority ranking of potential shadow projectors; and then, performance budget evaluation is carried out in combination with the current frame rate and the GPU load, and intelligent shadow projector selection and LOD application are carried out on the sorted shadow projection object list according to the performance budget evaluation. And finally, the optimized shadows to be rendered are sent to a light visual angle rendering and VSM page filling process in batches, and a movable light source optimization virtual schlieren is generated. According to the method, the unnecessary calculation overhead is remarkably reduced, so that the rendering efficiency and the frame rate stability are greatly improved while the high-quality dynamic light and shadow effect is ensured, and the core problem that the traditional performance and quality are difficult to balance is effectively solved.

The embodiment of the invention discloses a data processing method and device, equipment, a medium and a program product. The method comprises the following steps: carrying out multi-modal data acquisition on a physical environment to obtain spectral data and point cloud data; performing scene modeling processing on the physical environment according to the spectral data and the point cloud data to obtain a first virtual scene; performing illumination rendering processing on the first virtual scene according to illumination parameters in the physical environment to obtain a second virtual scene; and carrying out fusion rendering processing on the second virtual scene by adopting a physical environment image collected for the physical environment under the target service to generate a virtual-real fusion image corresponding to the target service. By adopting the embodiment of the invention, the light and shadow effect of a real scene can be simulated in the virtual-real fusion picture, and the picture quality is remarkably improved.

The invention discloses a U-shaped groove grating ion beam etching method based on a mask shadow effect, and relates to the technical field of U-shaped groove etching, and the method comprises the steps: placing a substrate with a photoresist grating mask in an inclined manner, and enabling an ion beam to bombard the photoresist grating mask in an inclined incidence manner; through a shadow effect generated by a photoresist grating mask on an ion beam, the etching dose distribution of different areas on the surface of a substrate is regulated and controlled, so that the etching dose of the central area of the groove bottom is greater than that of the areas on the two sides, and the U-shaped groove with a smooth and gradually-changed bottom contour is directly etched and formed. By constructing the smooth transition U-shaped groove bottom structure, sharp edges and corners are thoroughly eliminated, and the phenomenon of electric field concentration is remarkably relieved, so that the damage risk under high-power laser irradiation is effectively reduced, the stability of the grating in an extreme environment is improved, and the service life of the grating in the extreme environment is prolonged.

The invention relates to the technical field of artificial intelligence, and particularly discloses an interactive intelligent content generation method and system based on AIGC. The method comprises the steps that a user editing instruction is collected and analyzed to obtain a first semantic body, and meanwhile a target change vector is extracted; performing connectivity analysis on the high-response pixel points to determine a candidate linkage area; obtaining a candidate linkage area, judging whether a physical shielding or self-shielding effect exists or not, and screening an effective response area; performing attenuation correction on the target change vector, and deriving a collaborative mapping parameter; and constructing a light and shadow guide matrix based on the collaborative mapping parameters, and performing directional guide processing on the effective response area. The system comprises an intention analysis module, a communication analysis module, a region screening module, an attenuation correction module and a synchronous rendering module. According to the invention, synchronous rendering of semantic subject change and ambient light and shadow effects can be realized.

The invention relates to the technical field of light and shadow projection, in particular to an intelligent dynamic light and shadow projection system and a control method thereof. The method comprises the following steps: acquiring a current scene image based on a camera in a projection lamp, and performing scene topological structure analysis and scene semantic representation adaptation to generate real-time scene semantic representation; performing user illumination intention analysis according to the current scene image, and performing depth scene illumination demand prediction based on real-time scene semantic representation so as to obtain illumination demand prediction features; identifying a user projection instruction based on an IC chip in the projection lamp; performing target light and shadow effect modulation calculation according to the user projection instruction so as to generate a target light and shadow effect modulation parameter; and multi-target parameter constraint solution is carried out based on the illumination demand prediction features, so that optimal solution parameters of dynamic light and shadow projection are obtained. Parameters are adjusted through real-time scenes and user behaviors, and the projection visual effect and the scene response capability of the projection lamp are improved.

The invention relates to a light and shadow adjusting device for a biological rhythm synchronous child toy, and aims at solving the problems that an existing toy is fixed or random in light effect, cannot adapt to the physiological rhythm of a child and is prone to causing visual fatigue. The device comprises a light sensation acquisition unit, a rhythm identification unit, a parameter generation unit and a lighting effect driving unit. The light sensing acquisition unit is used for acquiring environment illumination intensity and generating illumination sensing data; the rhythm recognition unit combines the illumination perception data with the current time information, generates target rhythm state data according to a preset physiological rhythm model, and is used for judging the current activity cycle stage of the child; a parameter generation unit generates a corresponding light and shadow adjustment parameter set according to the rhythm state data; the lighting effect driving unit controls the light-emitting assembly according to the parameter set and outputs light and shadow effects matched with the physiological rhythm of the child, such as stimulation enhancement in the daytime and soft transition at night, so that sensory requirements of different time periods are dynamically met, attention is effectively improved, and visual burden is reduced.

The invention relates to the technical field of costume design, in particular to an intelligent display system and method for costume design, and the method comprises the following steps: receiving a costume design sketch, employing a convolutional neural network to extract contour features, and generating a structured 3D costume model containing a layout topological relation and fabric physical parameters; obtaining user body type scanning data, and constructing a parameterized virtual human body with an anatomical level and soft tissue dynamic response capability; dynamic fitting of the garment model and a virtual human body is achieved through a physical simulation engine, and garment deformation behaviors changing along with actions are calculated; and analyzing the scene semantic tag input by the user, matching illumination, accessories and background elements in a preset material library, and generating an interactive 3D display scene with physical interaction and light and shadow effects. According to the method, the costume design modeling efficiency and simulation precision can be improved, intelligent matching of the costume style and scene semantics is realized, and the immersion of costume display and the user experience are enhanced.

The invention provides a projection lamp shadow effect intelligent adjustment method based on artificial intelligence, and the method comprises the steps: obtaining the material type and reflection coefficient of the wall surface of each region of an exhibition space through a pre-established wall surface material database, carrying out the classification processing according to the reflection characteristics of different materials, and obtaining a material reflection distribution diagram; acquiring light intensity distribution in the space based on stray light distribution characteristics, performing gridding decomposition on the light intensity distribution, and obtaining light intensity and light field distribution uniformity of each grid area through numerical integration; according to the adjusted projection angle and light source position, generating a control parameter for the projection equipment, adjusting the output intensity and direction of the projection light source, and obtaining the light distribution intensity after the control parameter of the projection equipment is adjusted; and if the contrast ratio and the color deviation value of the detail area do not meet the preset standard, optimizing the light source control parameters through an ambient light compensation mechanism in combination with the accumulated intensity data of the space corner to obtain a light compensation result.

The invention belongs to the field of acoustic target automatic identification in ocean engineering, and particularly relates to a side-scan sonar target sample image generation method, which comprises the following steps of: 1) segmenting a target sample image to generate a target mask image; 2) carrying out local distortion deformation on the segmented target sample image, and simulating disturbance during side-scan sonar imaging; 3) normalizing the brightness; 4) performing superposition fusion on the distorted target sample image and the real sonar background image through a Poisson fusion method; 5) according to a side-scan sonar imaging mechanism, generating a shadow effect conforming to a physical law at the edge of the target sample image; 6) filtering and noise adding processing; and generating a target sample image similar to the real side-scan sonar data for training and verification of a deep learning model. The sample data generated by the method is highly vivid, covers multiple disturbance scenes, can be directly used for training a deep learning model, and remarkably improves the detection accuracy and recall rate of underwater targets (such as sunken ships and preset objects).

The invention relates to the technical field of solid oxide fuel cells, in particular to a preparation method of a manganese-cobalt spinel coating for a solid oxide fuel cell (SOFC) connector and the coating. The method comprises the following steps: treating a substrate, cleaning a target material, depositing a MnCo alloy coating by high-power pulse magnetron sputtering, and performing thermal conversion to form the (Mn, Co) 3O4 spinel coating. By optimizing process parameters, the uniformity, compactness and high-temperature oxidation resistance of the coating are remarkably improved, and the problems of shadow effect and coating defects existing in traditional direct-current magnetron sputtering are solved. The thickness of the obtained coating ranges from 4.8 micrometers to 5.3 micrometers, the surface roughness is lower than 1 micrometer, external diffusion of the Cr element can still be effectively restrained after the coating serves for 840 hours for a long time at the temperature of 800 DEG C, and the ASR value is lower than 30 m omega.cm. The preparation process is simple, is suitable for industrial production, and has high practical value and popularization prospect.

The utility model relates to a staggered and superposed wave-shaped sound barrier which comprises a base and a frame. The base is fixedly connected with the frame, and the plate body, the first wave-shaped screen body assembly and the second wave-shaped screen body assembly are sequentially installed on the inner side of the frame from front to back. Wherein the first wave-shaped screen body assembly and the second wave-shaped screen body assembly are similar in structure, each wave-shaped screen body assembly is composed of a plurality of wave-shaped sound absorption strips, and the left side face and the right side face of each wave-shaped sound absorption strip are both wave faces; the wave-shaped sound-absorbing strips in the first wave-shaped screen body assembly and the wave-shaped sound-absorbing strips in the second wave-shaped screen body assembly are arranged in a staggered manner, are overlapped with each other and then are fixedly connected with the plate body; and a wave-shaped sound barrier is formed. According to the wave-shaped sound barrier, the two layers of wave-shaped screen body structures are overlapped in a staggered mode, so that the path of sound waves is more complex when the sound waves pass through the sound barrier, the reflection, diffraction and absorption capacities of the screen bodies on noise are improved, noise energy is effectively weakened, meanwhile, the sound barrier can present rich light and shadow effects and dynamic aesthetic feeling along with changes of light rays and observation angles, and the sound barrier is more attractive. And the appearance is more attractive.

The invention discloses a preparation method of a tellurium-cadmium-mercury ring hole array with a high aspect ratio. The preparation method comprises the following steps: depositing a passivation layer and a sacrificial layer on the surface of a tellurium-cadmium-mercury material, preparing graphical photoresist on the sacrificial layer, and preparing ring holes by adopting an ion beam etching process with periodically variable angles and energy. According to the method, the sacrificial layer and the thin photoresist hard and soft mask are combined, so that the thickness of the photoetching mask can be reduced, the emitting range of a backwash object is enlarged, and the etching shadow effect and the etching damage of the material surface are reduced; periodic variable angle and energy etching changes the sputtering direction of the etched sediment and reduces the deposition of residues in holes on one hand, and on the other hand, part of the sediment can be etched and removed through periodic angle change, energy in part of the time period in the period is increased, and larger kinetic energy is provided for sputtering particles. The emergent angle distribution can be optimized, the secondary sputtering probability of sediments is increased, and deposition is inhibited. The method is suitable for preparing the ring hole array with the ring hole diameter being smaller than or equal to 2 micrometers and the depth-to-width ratio being larger than or equal to 2.5: 1.

The present application relates to the field of dehumidification, in particular to a photoelectrochemical auxiliary dehumidification device driven by shadow effect, the upper layer is super-hygroscopic hydrogel, the middle layer is photoelectrochemical cell, and the lower layer is shadow effect device; in the photoelectrochemical auxiliary dehumidification system provided by the present application, the moisture absorbed by the hydrogel is rapidly decomposed by the photoelectrochemical cell with enhanced voltage generated by the shadow effect device. The absorption of atmospheric moisture by the hydrogel and the voltage generated by the light contrast difference of the shadow effect device caused by the transparent photoanode of the photoelectrochemical cell from the upper layer and the light-tight photocathode result in continuous dehumidification of the closed space under zero energy input, the relative humidity in the room can be maintained below 70% without additional energy input, and a certain stable current is generated, which improves the efficiency of the dehumidification system and reduces energy consumption, and has wide application prospect.

An imaging system and methods are presented for determining a size of a viewed object through a monocular endoscope. The system includes an imaging device mounted on the endoscope, at least one light source disposed in a fixed position relative to the imaging device, and a processor configured to receive input from the imaging device and analyze at least one of shadow effect from the light source, structured lighting provided by the light source, multi-point illumination including the light source, time-of-flight involving light pulses from the light source, and lateral color aberrations from the light source to determine the size of the viewed object.

The utility model relates to a pattern disc module and a moving head lamp with the same. The pattern disc module comprises a first mounting plate, a water wave glass disc, a pattern disc and a plurality of driving assemblies, a light-transmitting through hole is formed in the first mounting plate; the water wave glass disc and the pattern disc are sequentially arranged above the mounting plate from bottom to top; a plurality of pattern pieces are mounted on the pattern disc, and the pattern pieces are sequentially arranged in the circumferential direction of the pattern disc and are different from one another; the multiple driving assemblies are used for driving the water wave glass disc, the pattern disc and the pattern piece to rotate correspondingly, so that the water wave glass disc, the pattern disc and the pattern piece can rotate to the position over the light-transmitting through hole. According to the scheme, the light and shadow effect of patterns can be enriched, the dynamic sense of light and shadow is greatly improved, better visual perception is given to audiences, the structure is simple, practicability is high, and the effect is outstanding.

An assembling space is formed in a body of the projection lamp, a driving assembly and a fixing base are arranged in the assembling space of the body, the driving assembly is connected with a lens assembly, a plurality of optical refraction structures which are adjacently arranged are formed on the inner wall of the lens assembly, and the fixing base can stretch into the lens assembly. A light-emitting element is arranged in the lens assembly, the light-emitting element can emit light rays and irradiate the light rays into the lens assembly, the light rays can be refracted through the optical refraction structures distributed on the inner wall of the lens assembly, and the lens assembly can be driven to rotate around the light-emitting element. Therefore, the relative angle between each optical refraction structure and the light-emitting element is continuously changed, and the refraction angle of the light is also changed, so that a plurality of strip-shaped light beams can be projected, and the light and shadow effect of infinite circulation movement can be achieved.

This invention discloses an efficient 2D dynamic soft shadow rendering method and system based on symbolic distance fields, belonging to the field of computer graphics and image processing technology. It includes extracting displacement vectors to determine active occlusions and generating bounding boxes to be updated; downsampling and reconstructing within the bounding boxes and concatenating with an external buffer to generate a low-resolution symbolic distance field; calculating a local original resolution symbolic distance field within the same region; calculating and normalizing the difference matrices of the two types of distance fields to generate a fusion weight matrix; and using the weight matrix to weightedly superimpose the two types of distance fields, performing ray propagation to output shadow textures. This invention uses bounding boxes established based on inter-frame displacement vectors to lock dynamic regions and constructs pixel-by-pixel fusion weights through multi-level resolution distance difference matrices to achieve smooth superposition of heterogeneous field data. This significantly reduces scene reconstruction overhead while eliminating visual seams caused by incremental updates, outputting high-quality and spatiotemporally continuous 2D soft shadow effects.

The utility model relates to a combined garden landscape lamp which comprises a cylindrical base and a lighting portion, the lighting portion is coaxially arranged on the top face of the base, the lighting portion comprises a plurality of sub-lamps, the sub-lamps are sequentially spliced in the circumferential direction of the lighting portion to form a hollow columnar structure, the bottoms of the sub-lamps are further provided with inserting columns extending downwards, and the inserting columns are connected with the base in a matched mode. Plug holes are formed in the edge of the top surface of the base, a power supply line is arranged in the middle of the top surface, the plug holes correspond to the plug columns in position, size and number, wire holders are arranged on the inner side faces of the sub-lamps, and the power supply line is connected with the wire holders of the sub-lamps in parallel to supply power in a matched mode. According to the landscape lamp, a corresponding number of sub-lamps can be pulled out from the base, the sub-lamps can be flexibly inserted into different positions of a green land through the inserting parts, the directions of the sub-lamps for illuminating an exhibit are adjusted, the light and shadow effect of the exhibit displayed at night is improved, after use is finished, only the sub-lamps need to be inserted and pulled back to the base, daily illumination of the landscape lamp is restored, and manpower and use of additional illuminating lamps are saved.

To configure a mask unit MU that restricts a treatment range for each second substrate and includes a frame part 7 covering each side S2 excluding each side S1 facing the second substrate and a beam part 8 covering each side facing each second substrate so as to suppress a shadow effect attributed to a thermal warpage as much as possible, when multiple pieces of second substrate Sg1, Sg2 smaller than a first substrate are parallelly arranged at an interval on a substrate arrangement surface 31 of a stage body 3 capable of arranging a rectangular first substrate.SOLUTION: A beam part has a base plate 81 that is freely stored in a groove 33 recessed on a substrate arrangement surface and multiple beam plate pieces 82 that are arranged in a line in an upper edge part of the base plate projected upward from the substrate arrangement surface in a longitudinal direction of the beam part. A pair of attachment plates 83 is suspended on a lower surface of each beam plate piece, and the base plate and the beam plate pieces are connected with a gap in a vertical direction through both attachment plates.SELECTED DRAWING: Figure 3

The present invention discloses a double-wing electric reflection device on the top surface of a multi-functional hall, which relates to the technical field of electric reflection devices. The double wings are driven to unfold or fold by a spiral lifting mechanism and a screw transmission or a hoist steel belt transmission, so as to change the sound and light reflection range of the multi-functional hall, thereby changing the reverberation time of the sound field of the multi-functional hall, changing the light and shadow effects of the multi-functional hall, changing the hall space and the sound and light environment, and meeting the sound and light requirements in the modes of concert hall, conference, theater and studio, thereby meeting the different light and shadow requirements of the multi-functional hall. The limiting thread groove in the support limiting component plays a limiting role on the screw when it descends, thereby effectively controlling the stroke of the screw when it descends. The hinge of the limiting plate is fixedly connected to a telescopic lighting part, and the telescopic lighting part includes a lamp pole, and a telescopic spring is sleeved on the lamp pole. The other end of the telescopic spring is connected to an elastic telescopic hook, and the elastic telescopic hook is clamped with the performance lamp, so that a performance lamp pole and a lamp tube can be added in the venue and studio modes.

This invention presents an enhanced micro-operation target segmentation method utilizing improved Otsu and edge operators, addressing the limitations of conventional techniques in microscopic visual environments. The proposed approach effectively mitigates accuracy constraints caused by image noise and shadow effects from uneven illumination. The methodology comprises three key phases: Applying an optimized bilateral filtering algorithm to perform noise reduction on grayscale images, producing denoised images; Segmenting micro-operation targets using the refined Otsu algorithm on these denoised images to obtain initial segmentation results; Directly applying the final segmentation result when meeting predefined criteria, or conducting iterative segmentation through the enhanced edge operator and Otsu algorithm if necessary. This innovative method demonstrates exceptional performance in micro-operation target detection applications

The utility model discloses a lamplight display device based on totem element interaction and light and shadow effect, which relates to the technical field of lamplight display devices and comprises a base, a lampshade is fixedly connected to the top of the base, and a totem projection mechanism is inserted into the top of the lampshade and comprises an outer tube and an inner tube. A window is formed in the front side of the outer pipe, a plurality of openings are formed in the outer end of the inner pipe, totem pieces are fixedly connected into the openings, the rotating handle is located at the top of the outer pipe, a vertical plate is fixedly connected to the bottom end in the outer pipe, and lamp beads are fixedly connected to the front side of the vertical plate and located behind the window. The base, the lampshade and the lamp cover can form a display lamp, then totem images can be projected on the lampshade through the totem projection mechanism in the lampshade, the totem projection mechanism can be adjusted at will according to requirements so that different totem images can be projected, and use is very convenient.