166 results about "Shadow effect" patented technology

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.

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 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.

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 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 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.

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.

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.

The utility model relates to the technical field of track lamps, in particular to an ultra-thin track lamp convenient to install, which comprises a fixed rail, and a fixing mechanism for quickly disassembling and assembling a lamp is arranged on the fixed rail. The fixing mechanism is arranged, a buckle type fixing structure is adopted, the lamp can be rapidly and conveniently installed and fixed, the lamp can be conveniently moved within a certain range according to requirements, lighting equipment can be conveniently replaced, the device can be compatible with various rails, the lighting requirements in different scenes are met, and the practicability is high. According to the LED lamp, the adaptability and the layout flexibility are improved, the richer light and shadow effect is created, the lamp is installed and fixed through an extremely narrow structure, lighting equipment can be more naturally integrated into a suspended ceiling, a wall gap and other spaces, the overall attractiveness is enhanced, meanwhile, the wiring and maintenance cost is reduced, the operation process is simplified, and the production efficiency is improved. And the investment of manpower and material resources is reduced, and the use convenience of the lighting equipment is improved.

The utility model discloses a bathtub cup base which comprises a lower base body, an upper base body, a bottom plate and a luminescent lamp, wherein the upper base body is detachably connected with the lower base body, and an inner cavity of the upper base body is communicated with that of the lower base body; the bottom plate is arranged in the inner cavity of the lower base body; an opening is formed in the upper portion of the upper base body, supports distributed in a circumferential array mode are arranged on the cavity wall of an inner cavity of the upper base body, a supporting plate is arranged on the supports, a gap allowing light emitted by a light-emitting lamp to penetrate through is formed between the supporting plate and the upper base body, and the supporting plate is used for bearing a cup. And by utilizing the luminescent lamp arranged in the inner cavity of the lower seat body, the emitted light can be transmitted through the gap between the supporting plate and the upper seat body. In a dark environment, the position of the cup base can be clearly lightened, and a user can conveniently and accurately take the cup. Meanwhile, light rays are emitted through the gaps, and a unique light and shadow effect can be created.

This invention relates to a method for generating massive multi-band images using machine learning for space-based target detection. The method calculates the optical properties of a 3D target, fuses the target's optical image into a 2D background, and can quickly simulate multi-band optical images. Addressing the problem of insufficient training samples in multi-band machine learning target detection algorithms, this paper proposes a fast calculation method for target-background fusion. This method includes simulating the background's optical image in multiple bands, adding a target optical property image with a shadow effect to the background using a 3D model optical property calculation method, and simulating different time conditions through meteorological parameter settings and temperature calculations. Experiments show that this method can quickly simulate multi-band optical images fused with 3D targets while maintaining the accuracy of optical property calculation.

The invention provides a display method and device, and relates to the technical field of display. The method comprises the steps that the electronic equipment can display a target interface, and the target interface comprises a first element and a second element. The electronic device may also control a target area within the first element to display a target light and shadow effect. Wherein the target light and shadow effect is used for presenting a lighting effect generated by simulating a first virtual light source located at the position of the second element to irradiate the first element, and the target area is an area where the first virtual light source irradiates the first element. Therefore, the display diversity of the interface elements is improved, the interface display delicacy is enhanced, and richer interaction experience is provided for users.

The utility model relates to a novel bee eye lamp. The novel bee-eye lamp comprises an optical lens assembly, a laser diode assembly, a lens installation assembly and a laser installation assembly. The optical lens assembly is arranged at one end of the central cavity of the lens mounting assembly and is detachably connected with the lens mounting assembly; the laser diode assembly is arranged on one side of the optical lens assembly and right faces the optical lens assembly. The laser installation assembly and the lens installation assembly are sequentially arranged in a stacked mode in the light emitting direction, and a center cavity of the lens installation assembly is communicated with a center cavity of the laser installation assembly. According to the scheme provided by the invention, the prism can be conveniently disassembled and replaced, the time and energy of an operator for disassembling the lamp are greatly reduced, the replacement efficiency is improved, the light and shadow effect is further enriched, the universality is improved, meanwhile, heat generated by single-tube laser can be dissipated in time, and the reliability and stability of the whole lamp are improved.

The embodiment of the application discloses a kind of based on indoor wireless signal control method, system first according to the installation position of wireless signal transmitter, transmission power, frequency parameter etc., signal coverage is calculated.According to signal coverage, shadow effect area is filtered out, and these areas are defined as target weak signal area needing optimization.System adjusts camera orientation, obtains the image of covering the weak signal area and its surrounding environment, generates target image data.System combines the coordinate position of wireless signal transmitter with the position of target weak signal area, analyzes and extracts the obstacle feature causing signal attenuation from target image.The system calculates the optimal reflection path of signal through reflection that can efficiently reach the target weak signal area according to the obstacle feature and camera position.System adjusts the transmission angle of wireless signal transmitter according to the optimal reflection path calculated, so that its signal propagates along the best path, thereby improving the communication quality of the area.

The utility model provides an LED rotary flower lamp device, and relates to the technical field of flower lamps, the LED rotary flower lamp device comprises a support frame and further comprises a main lamp installed on the upper portion of the support frame, the main lamp comprises a fixing seat fixed on the upper portion of the support frame, and a lampshade is rotatably installed on the upper portion of the fixing seat; the lamp holder is fixed to the top of the supporting frame and located in the lampshade. And the LED bulb is screwed on the upper part of the lamp holder. According to the technical scheme, the motor drives the lampshade to rotate around the fixed LED bulb, and the colored semitransparent material and the empty groove design are matched, so that light presents dynamic color matching light spots in the rotating process; the internal support structure achieves hidden wiring of cables, the side lamps and the main lamp achieve cooperative display, multi-angle light presentation is achieved, and the layered and dynamic three-dimensional light and shadow effect is formed.

The invention provides an indoor light source simulation device, and relates to the technical field of indoor light source simulation. The interior of the installation control part is fixedly connected with a backlight body attaching piece. A conveying mounting part is mounted on the mounting control part; a movable adjusting part is mounted on the mounting control part; a sleeving mounting piece is fixedly connected to the movable adjusting part; an irradiation part is arranged on the sleeving mounting piece in a sleeving manner; a simulation control device is fixedly connected to the sleeving mounting piece; the problem that the current market is insufficient in light source simulation authenticity can be effectively solved, the projection area can be adjusted in an auxiliary mode, shadows formed when sunlight penetrates through doors and windows under different light conditions can be further simulated, projection is more accurate, and the problems that an existing indoor light source simulation device does not have a dynamic simulation structure, lamplight simulation is rigid, and the simulation effect is poor are solved. And the light and shadow effect of sunrise and sunset cannot be simulated.

The utility model relates to a dining table technical field, concretely relates to a kind of embedded dining table with light and shadow effect, including base;Rectangular outer frame is installed on base;Top cover is installed at the top of outer frame, and top cover middle part is hollowed out and embedded single lens;Reflecting mirror is located at the top center of base;Pattern switching mechanism is installed in the inside of outer frame;Pattern switching mechanism includes: four vertical fixed posts are set on base, and the synergistic innovation of double-layer dynamic pattern switching mechanism and the inside light bar of vertical fixed post is realized in the real-time variability of abyss mirror effect in dining table limited space: eight-axis synchronous drive system ensures that four groups of pattern reel are accurately positioned when being retracted and switched, and simultaneously directional light bar continuously covers mechanical gap, so that the light and shadow depth of reflecting mirror reflection is always without fault surface;Combined with the space deformation ability of turnover table top, embedded dining table is endowed with unprecedented immersive variable scene experience.

The application provides a rendering method and device of indoor shadow and electronic equipment, determines a first intersection point of a target pixel point on a window model along a viewing angle direction and an indoor plane; determines a second intersection point of the first intersection point along a light direction and the window model; determines a first shadow value and a second shadow value of the first intersection point according to the second intersection point and a preset window map; determines a third shadow value of the first intersection point according to the occlusion of an outdoor object and the first intersection point in the light direction; and renders the indoor plane based on the first shadow value, the second shadow value and the third shadow value. In this way, the light transmittance of the window and the light occlusion of the outdoor object are used to determine the wall shadow of the indoor plane, the window frame shadow and the shadow of the outdoor object in the indoor plane, so that the light and shadow effects in the virtual scene are more realistic, and the virtual scene is more realistic, immersive and experienced.

The invention provides a Unity-based image processing method, a storage medium and electronic equipment. The method comprises the steps of obtaining a Z-Buffer depth map of a to-be-rendered image; preprocessing the Z-Buffer depth map to obtain a depth-normal texture with an edge mark, a golden spiral sampling sequence and an AO parameter of a rendering object; based on the golden spiral sampling sequence and the AO parameters of the rendering object, performing multi-scale sampling on each pixel in the depth-normal texture to obtain a multi-scale sampling AO map; and based on the multi-scale sampling AO image, the historical frame AO image and the depth-normal texture, space-time filtering, edge enhancement and tone mapping are carried out, and a final processed AO image is obtained and output. Through the simple and efficient shadow effect implementation method, the performance consumption is reduced on the premise of ensuring the effect.

The application provides a non-dispersive infrared gas sensing system and a manufacturing method thereof. The system comprises an infrared light source, an infrared detector and a reflective gas chamber. The reflective gas chamber comprises a plurality of planar sidewall components which are spliced with each other through a mortise and tenon structure to form a polyhedral reflective cavity structure; the infrared light source and the infrared detector are arranged on the same planar sidewall component, and another planar sidewall component is provided with a gas inlet and a gas outlet, the gas inlet is used for the target gas to enter the reflective gas chamber, and the gas outlet is used for the target gas to leave the reflective gas chamber. The inner surfaces of the planar sidewall components are all coated with a high reflection film, the incident light emitted by the infrared light source is subjected to multiple diffuse reflection and mirror reflection inside the reflective gas chamber to form a cavity light field, and the cavity light field is received by the infrared detector after being absorbed by the gas. The gas chamber is spliced through a modular mortise and tenon structure, the split processing and film coating of the sidewalls are realized, and the film coating dead angle and shadow effect are eliminated.

The application provides a depth camera shooting angle acquisition method and device, computer equipment and a storage medium. The method adjusts the rotation angle of the initial shooting angle of the depth camera on the reference horizontal plane based on the object rotation angle of the object model relative to the main light source, so that the rotation angle of the initial shooting angle of the depth camera on the reference horizontal plane is offset, the depth camera is controlled to rotate following the rotation of the object model, the shooting direction of the depth camera and the object direction of the object model maintain a certain angle, and the situation that the shadow area is excessively stretched and the shadow effect is distorted or lost when the object rotation angle of the object model relative to the main light source is too large is avoided.

The invention relates to a texture and material dynamic rendering method and system for virtual clothes, and relates to the field of virtual clothes, and the method comprises the steps: 100, collecting a template image and a cloth demand; 101, identifying a shadow area from the template image, and determining the material of the cloth according to the cloth demand; 102, determining a reflection point in response to the material of the cloth; step 103, determining a reflection area based on the reflection point; 104, determining light and shadow distribution in combination with the shadow area and the reflection area; step 105, generating an interference image according to the light and shadow distribution, the template image and the cloth demand; and 106, generating and displaying dynamic rendering information in response to the interference image. The method has the advantages that the authenticity of the virtual clothes is improved, and the light and shadow effect of the virtual clothes is improved.