26results about How to "No distortion" patented technology

This invention discloses a full-body live-streaming call imaging system and method for smart glasses based on real-time correction using multiple sensors, belonging to the field of smart wearable devices and real-time audio and video communication technology. This invention integrates multiple types of sensing sensors distributed across smart glasses to collect real-time data on user facial details, clothing features, limb posture, gait, and surrounding environmental space. It then constructs a complete 3D human body model from head to toe using lightweight AI algorithms. Simultaneously, a real-time human body data correction mechanism is added, dynamically calibrating human body recognition data at the millisecond level through frame comparison, iterative compensation, and anomaly filtering, solving industry challenges of model distortion and contour offset in dynamic scenes. Combined with SLAM 3D environment reconstruction technology and an adaptive lens distance adjustment algorithm, this invention can intelligently switch between facial close-ups and full-body dual imaging modes, with no limb cropping, no image distortion, and no image jitter throughout the process, realistically reproducing the user's full-body movements and surrounding environment. This invention effectively solves the technical pain points of traditional smart glasses, such as limited imaging in video calls and live streaming, poor dynamic adaptability, and low recognition accuracy. It significantly improves imaging stability, integrity, and intelligence, and is suitable for various scenarios such as remote physical education, immersive live streaming, and virtual meetings. It has extremely high practical value and promising prospects for promotion.

The utility model relates to gem processing detection technical field more specifically, relate to a gem cutting and grinding process three -dimensional dynamic optical detection module, including mounting bracket, the mounting bracket includes upper roof, left side board, lower bottom plate and right side board, the upper roof, left side board, lower bottom plate and right side board combine and form the rectangular structure, wherein the middle part of upper roof is provided with fixed hole, the middle part of lower bottom plate is open, the right side and left side of lower bottom plate are provided with first off -axis parabolic mirror and second off -axis parabolic mirror respectively, the upside of first off -axis parabolic mirror and second off -axis parabolic mirror is provided with semiconductor laser and acquisition camera respectively. First off -axis parabolic mirror focuses laser to gem surface, second off -axis parabolic mirror captures the laser signal of gem surface reflection, and reflects it to acquisition camera, realizes the dynamic focusing of curved surface gem detection without aberration, and this detection mode adopts non -contact detection, avoids the damage of gem surface.

The invention provides a cross-layer annotation correction and real-time rendering method and application thereof, and belongs to the technical field of digital pathological image processing. According to the method, the problems of labeling dislocation, editing distortion and large-point-set rendering lagging during switching of the multi-focal-plane slices are solved. The method is characterized by comprising the following steps: determining interlayer offset parameters of each focal plane, and carrying out associative storage with focal plane identifiers; anchoring an original focal plane and storing original geometric data when the label is created; when the target focal plane is switched, cross-layer mapping is carried out according to the relative offset parameters, and geometric semantic stability is kept for different labeling types; a rendering complexity index is calculated, hierarchical simplified rendering is executed in a continuous interaction stage, and high-precision display is recovered after interaction is stable; and after editing, reversely writing the target geometric data back to the original focal plane coordinate system. According to the method, cross-layer accurate correction and real-time smooth interaction of the labels are realized, and pathological diagnosis is effectively assisted.

The present application relates to a kind of well seismic signal-noise superposition wave field high-dimensional multi-component feature intelligent separation method, belong to geophysical oil and gas resource exploration field.Establish time-domain multi-component decomposition result serves different dimension differentiation characteristic property expression;Six-dimensional characteristic attribute space based on multi-component signal-noise component is established, and the mathematical characteristics of complex signal wave and multiple types of noise in DAS record, such as direct wave and reflected wave, are revealed;Dual-stage highly integrated framework with tree model as base learner is set up to complete the feature point category determination separation task in high-dimensional attribute space, so as to accurately and efficiently realize low-damage preservation of signal wave field and maximum suppression of noise wave field.The method is flexible, accurately preserves the amplitude characteristics and frequency energy components of DAS two-dimensional exploration record signal field in well, the mathematical basis is reliable and reliable, and the feature is strongly interpretable, which provides an important basis for thin and fine layer detection, oil and gas reservoir exploitation and other practical applications.

The invention discloses a multi-terminal fidelity display adaptation method for remote ultrasonic images, which relates to the technical field of image processing, and comprises the following steps of: firstly, acquiring heterogeneous original video streams of ultrasonic instruments of different brands / models at a clinical end, and performing standardized analysis to generate basic video streams in a unified format; then obtaining characteristic parameters such as screen resolution, proportion and decoding capability of the target terminal, and calculating a non-stretching target rendering size according to the characteristic parameters; then different areas in the video are identified through ultrasonic image feature optimization, and differential zooming processing is carried out by adopting a corresponding interpolation algorithm; and finally, calculating a structural similarity index of the core diagnosis area, if the structural similarity index is lower than a threshold value, performing feedback adjustment, and transmitting a video stream with the fidelity reaching the standard to a terminal for display. According to the method, the heterogeneous video source is standardized, and regional differentiation zooming and fidelity feedback adjustment are carried out according to the terminal features, so that compatible adaptation between various types of ultrasonic instruments and various types of display terminals is realized.

The present application relates to the technical field of simulation sandbox, and particularly relates to a simulation sandbox data base construction method and device, wherein the method constructs compatible domain object models in the localization BIM forward design stage; according to unstructured drawings, localization BIM models and other data types, SHP data, geometric feature data and structured topology data are extracted or generated; simulation element data is obtained through field-level direct mapping, SHP data is converted twice and coordinates are unified, and then geometric feature completion, line segment merging and topology reconstruction are performed, object construction and labeling are completed based on the simulation element data, and simulation sandbox data base is obtained. The present application solves the problems of low construction efficiency, poor compatibility and insufficient geometric accuracy, realizes standardized data processing and efficient construction, can be directly loaded into a simulation sandbox, is suitable for airport and other scenes, and improves simulation accuracy and reliability.

The invention belongs to the technical field of gas detection, and particularly relates to a gas concentration measurement method and system based on adaptive wavelength. The measurement method comprises the following steps: obtaining a waveform curve of a to-be-measured gas absorption signal; if the current waveform curve is distorted, the to-be-detected gas is scanned again after the current scanning interval is widened until the newest waveform curve is not distorted, and the newest waveform curve is subjected to convolution processing to obtain a second reasonable curve; and if K3 continuous sampling points greater than a third set threshold exist in the absorption interval of the second reasonable curve, recording the current second reasonable curve as a third reasonable curve, and calculating the current concentration of the gas to be detected according to the third reasonable curve, on the contrary, the scanning interval corresponding to the current second reasonable curve is narrowed, and then the to-be-detected gas is scanned again. According to the invention, high-efficiency and accurate concentration measurement can be carried out on to-be-measured gases with different concentrations.

The application discloses a kind of based on TS5 Internet of Things man-machine interface rock climbing wall electric push rod synchronous angle adjustment control system, including TS5 Internet of Things man-machine interface assembly, Modbus-RTU bus communication link, multiple groups servo electric push rod assembly, rock climbing wall steel frame rock wall main part and cloud remote management and control platform.TS5 Internet of Things man-machine interface as Modbus host, through RS485 bus one master-slave control multiple rock climbing drive push rod synchronous extension, drive rock wall overturn angle adjustment;Rely on TS5 original plug-in 4G / WiFi module to realize local touch screen angle adjustment and remote cloud management and control double mode;Push rod built-in travel sensor and load acquisition module, data bus returns real-time conversion and shows inclination value;Utilize TS5 audio output interface with bus real-time monitoring, realize push rod overload, synchronous deviation overrun acoustic and light alarm and cloud push.The application solves the defect that traditional rock climbing wall multiple push rod is synchronous, wiring is complicated, cannot be remotely operated and maintained, has no overload early warning, control precision is high, operation is convenient, safety protection is perfect.

The application discloses a kind of visual detection device and detection method of TR fabric high color fastness padding product, it is related to visual detection technical field, including visual detection device, and visual detection device includes unwinding unit, dark box and winding unit, the inside of the dark box is provided with positioning mechanism for the fabric of detection position is positioned, positioning mechanism includes: negative pressure unit, is set to the inside of dark box, by setting positioning mechanism, effectively solve the soft TR fabric in open detection area due to tension fluctuation and residual deformation and lead to the problem of bulging, warping.Negative pressure unit in the suction pump operation, negative pressure is generated in the inside of negative pressure box, and uniform adsorption force is generated to the air-permeable fabric body through the round hole on its top.Meanwhile, negative pressure box is equipped with several partition plates and is divided into multiple independent negative pressure chambers, and the size of negative pressure is adjusted by the electromagnetic valve installed on branch pipe, so that fine control of fabric tension is realized.

An electric sound stethoscope with double-channel compatible and collection switch relates to the field of medical auscultation, which is configured with double-channel compatible and convenient collection switch, analyzes and compares sound and sound wave pattern functions, and outputs two high-definition loudspeaker work of audio amplifier modules in two ways to connect two audio boxes, which is a new innovation for diagnosing heart and lung diseases. The excellent electric sound quality presents the extremely distinctive creative color of the system. The system includes electronic or traditional auscultation head to collect sound signals, and the sound signals are converted into electric sound signals by a microphone. The auscultation includes collecting heart and lung sound, and independently setting a microphone channel or a microphone wired socket interface with a convenient switch, forming the electric sound signal of the heart and lung auscultation collected by the convenient switch and the auscultation method to suppress howling. The electric sound signal enters the functional module circuit for processing through the appropriate transmission mode, amplifies the electric sound signal to drive the loudspeaker to broadcast and listen to the auscultation.

A curved holographic waveguide display device and method with a large pupil box are disclosed. The device includes a microdisplay, a first relay optical element group, a planar waveguide module, and a curved holographic waveguide module. This invention utilizes the planar waveguide module to transform a small exit pupil projection module composed of a microdisplay and the first relay optical element group into a large exit pupil projection module without sacrificing the field of view. This provides a wide beam covering the entire field of view image information for the curved holographic waveguide module, thereby achieving a virtual-real fusion effect between the optical image and the real world environment within the wide pupil box. This invention also proposes adding a second relay optical element group or relay optical element to the curved holographic waveguide display device to better achieve the conjugate matching between the planar waveguide module and the curved holographic waveguide module. This invention simplifies the structure of the large exit pupil projection module, reduces the module volume, and provides a key design scheme and implementation method for the lightweight miniaturization of curved waveguide head-mounted displays.

The application discloses a kind of conductivity measurement anti-interference method and system.The method comprises: judging whether the original voltage signal collected can ignore interference, and the original voltage signal is formed by the superposition of target voltage signal and interference signal;If it can be ignored, the original voltage effective value is calculated according to the original voltage signal, and the conductivity is calculated using the original voltage effective value;Otherwise, the target voltage signal is selected from the original voltage signal, the target voltage effective value is calculated according to the target voltage signal, and the conductivity is calculated using the target voltage effective value.The application processes voltage signal through software algorithm throughout, without additional hardware, and only relies on the voltage data collected by sensor to realize interference suppression.

This invention discloses an X-ray-based system for detecting spherical shell-shaped objects. The system includes a main frame housing a C-arm, a flat panel detector, a flat panel detector position adjustment mechanism, an arc-shaped detector, an X-ray source, a X-ray source position adjustment mechanism, and a sample stage. The C-arm is fixed to the top of the main frame. The spherical shell-shaped object to be detected is placed on the sample stage, with its center located at the center O of the circle corresponding to the C-arm. The flat panel detector position adjustment mechanism adjusts the position of the flat panel detector on the C-arm, ensuring that the vertical line from the center of the flat panel detector always intersects the center O. The center of the arc-shaped detector coincides with the center O. The X-ray source scans the region of interest of the spherical shell-shaped object. The X-ray source position adjustment mechanism adjusts the position of the X-ray source. This invention is suitable for detecting spherical shell-shaped objects, and the DR imaging is distortion-free.

The invention provides a commodity shadow removal model training method and device, equipment and a medium, and the method comprises the steps: obtaining a real light and shadow picture, obtaining a picture set, recording the real light and shadow picture as Ioriginal, and carrying out the noise filtering of the Ioriginal; a final shadowless sub-picture I < noshadow > is generated; acquiring a data pair; obtaining a set of data pairs; training the model, stopping training when the SSIM reaches a set threshold value to obtain the training model, and solving the defects of poor shadow generation, low main body consistency and data scarcity in the prior art.

The utility model discloses a kind of not easy to leak liquid's critical medical department with drainage device, including placing frame, the inside of placing frame is placed with collector, the middle position of collector top is fixedly installed with connector, and the left and right ends of connector are fixedly installed with lug, the outside of connector is connected with fixed sleeve head and is equipped with fixed assembly, the rear end of placing frame is provided with mounting assembly, and the rear end side wall of placing frame is provided with guide assembly.The critical medical department with drainage device not easy to leak liquid, the precision of connection can be kept by the fixation of pipeline, and then also prevent loosening or falling caused by the movement of pipeline in patient's body, also avoid liquid leakage, to ensure continuous and effective drainage, then through guide groove can make the reasonable bending angle of pipeline at connection, avoid the blockage or fracture caused by bending, to keep pipeline smooth, without distortion.

The application discloses a supporting structure of a new energy automobile motor rotor balancing machine, which comprises a supporting frame, an adjusting frame, a connecting rod, and a positioning frame connected with the adjusting frame and used for rotor positioning, one end of the connecting rod is hinged with the supporting frame, and the other end of the connecting rod is hinged with the adjusting frame, in the embodiment of the application, the supporting structure is used, the two ends of the connecting rod are respectively hinged with the supporting frame and the adjusting frame to realize the connection of the supporting frame and the adjusting frame, that is, the mechanical structure characteristics (namely, the dynamic friction factor) are used to replace the original plate spring type soft supporting dynamic balancing machine to utilize the material mechanics characteristics to manufacture the soft supporting dynamic balancing machine, the problem of inaccurate measurement result value caused by the plastic deformation of the plate spring is solved, the equipment cannot generate measurement data distortion even if the equipment is used for a long time, and the bearing weight range of the same soft supporting balancing machine is also expanded.

The present application relates to the technical fields of wire twisting, and provides a multi-strand wire twisting forming device, which comprises a base, a vertical fixing seat fixedly connected to the top of the base, a general controller fixedly connected to the top of the base, and a sliding groove formed in the top of the base; a twisting structure, which comprises a driving assembly, a quick-mounting assembly and a guide assembly, the driving assembly being arranged inside the vertical fixing seat, and the guide assembly being arranged on the side of the driving assembly; and a cooling assembly located on the side of the vertical fixing seat.The multi-strand wire twisting forming device provided by the present application realizes the branch guiding and concentrated current collection of the multi-strand wire through the guide assembly, buffers the tension fluctuation through the elastic air bag and the wear-resistant self-lubricating structure, reduces the surface friction, cooperates with the micro-arc-shaped flow guide groove on the inner side of the elastic air bag to reduce the contact resistance, improves the wire feeding smoothness, realizes the wire guiding without crossing, winding and scratching, and completely solves the problems of wire guiding damage and uneven tension.

This invention discloses an I-V conversion circuit resistant to strong light interference, relating to the field of integrated circuit technology. It includes an infrared photodiode VD, resistors R1 and R2, an amplifier AMP, and PMOS transistors M1, M2, and C. The invention also discloses an I-V conversion circuit resistant to strong light interference, including an infrared photodiode VD, resistors R1 and R2, amplifiers AMP1 and AMP2, NMOS transistors M1, M2, and M3, and capacitor C. Furthermore, the invention discloses an infrared receiving chip incorporating the aforementioned I-V conversion circuit resistant to strong light interference. Under strong light conditions, this invention prevents the output voltage OUT from continuously increasing, effectively receiving, identifying, and amplifying the input signal, thus improving signal quality and reducing distortion.

The light-emitting display device according to this disclosure includes: a substrate; a pixel; a light-emitting diode (LED); a compensation LED; and a light-emitting layer. The pixel is disposed on the substrate. The pixel includes a light-emitting region and a non-light-emitting region. The LED is disposed in the light-emitting region. The compensation LED is disposed in the non-light-emitting region. The light-emitting layer extends from the LED to the compensation LED.

The application discloses an air inlet channel wall surface pressure measuring device. The device comprises a pressure sensor array arranged in the air inlet channel; the pressure sensor array comprises a group of blind holes arranged on the inner wall of the air inlet channel and arranged along the axial direction of the air inlet channel; the blind holes are divided into an upper space with a larger radial dimension and a lower space with a smaller radial dimension by a step structure arranged on the inner wall of the blind hole; the lower space is sealed by an elastic diaphragm arranged at the bottom of the upper space and an air cavity with a standard atmospheric pressure is formed in the lower space; an optical fiber grating is arranged on the upper surface of the elastic diaphragm; the remaining space in the upper space is filled with the same material as the elastic diaphragm; the optical fiber gratings in the blind holes are sequentially connected through a connecting optical fiber embedded in the inner wall of the air inlet channel and then connected to a demodulation module through the tail of the air inlet channel. The application further discloses a surge determination method based on the air inlet channel wall surface pressure measuring device. The application can realize dynamic high-precision measurement of the flow field of a supersonic air inlet channel.

This utility model discloses an emergency hemostasis nursing device, comprising: a fixing strap; a semi-circular fixing shell with a Π-shaped hollow structure inside, and a limiting component on the outer wall of the semi-circular fixing shell; a D-ring buckle with a slack rod connected to it, the rotating rod being detachably connected to the limiting component, and the rotating rod being sleeved between the inner side of the middle section of the fixing strap and the D-ring buckle; the two ends of the fixing strap passing through the D-ring buckle first and then through insertion hole I and insertion hole II respectively; a compression component connected to the two ends of the fixing strap exiting through outlet hole I and outlet hole II via fixing rings on both sides; and a cotton swab placed inside the compression component, with a release film adhered to the surface of the cotton swab. This utility model solves the problem that existing hemostasis devices are difficult to accurately adjust to a suitable pressure and cannot effectively stop bleeding by providing an emergency hemostasis nursing device.

The application relates to a wafer-level pulsed laser deposition method and a deposition device based on dynamic optical scanning, and belongs to the technical field of pulsed laser deposition. The method comprises the following steps: S1, fixing a target material and a substrate in a reaction cavity, and pumping the reaction cavity to vacuum; S2, heating the substrate to a predetermined temperature, and controlling self-rotation of the target material and the substrate; S3, emitting a laser beam into the reaction cavity by using a laser generating device, controlling the incident angle of the laser beam to the surface of the target material to remain constant, and reciprocating the light spot of the laser beam on the surface of the target material along the radial direction of the target material; and controlling the scanning speed of the laser beam, so that the source material of the target material is sputtered and uniformly deposited on the surface of the substrate. The laser beam adopts a two-section inverse speed dynamic optical scanning method, the scanning speed is independently and smoothly regulated in two sections, the energy density at an arbitrary position of the target surface is constant, and the uniformity of film growth is significantly improved.

This application discloses a real-time deformation method, system, storage medium, and electronic device, relating to the field of virtual application technology. This solution introduces speed-modulated force calculation, density-adaptive deformation, and adjustments to the mesh complexity of the virtual sculpture model based on the interaction force and speed of the user object. This allows for real-time, adaptive adjustment of the virtual sculpture model's mesh complexity, thereby presenting a highly realistic physical deformation effect—i.e., visual realism—while ensuring real-time performance. Furthermore, through the topological structure, material property definition, and real-time processing optimization of the virtual sculpture model's mesh, this solution ensures that the model does not tear or distort after deformation and maintains texture consistency. This enables dynamic and local adjustments to the accuracy of the virtual sculpture model during sculpting using VR sculpting software, based on the real-time force intended by the user object.

The invention relates to the technical field of ore stockpile volume measurement, in particular to an ore stockpile volume measurement method based on binocular stereoscopic vision, which comprises the following steps of: acquiring left and right views of an ore stockpile by using a binocular camera, and constructing a data set of stereoscopic matching data; the method comprises the following steps: firstly, correcting collected left and right views by adopting an improved multi-scale adaptive Bouguet stereo correction algorithm to eliminate lens distortion and align row pixels of the left and right views to obtain a stereo correction image pair; carrying out graying processing on the stereo correction image pair by adopting a weighted average method; and finally, carrying out contrast-limited adaptive histogram equalization on the image subjected to graying processing by the weighted average method so as to highlight the edge and texture information of the ore stockpile. An MS-BGNet stereo matching model based on fusion transfer learning is constructed; inputting ore stockpiling left and right views to the model to generate a disparity map; and based on the generated disparity map, calculating the volume of the ore pile by using a triangular prism infinitesimal splitting method.

Aiming at the problem of unstable film transfer in the prior art, the invention provides the film transfer clamp which has a high-hardness structure and can fix the sponge, the ceramic plate is used for replacing a traditional plastic plate, so that the film transfer clamp has very high rigidity and thermal conductivity, and the whole clamp plate is ensured not to be distorted; due to the design that the sponge is directly adhered to the ceramic plate, the operation is simplified, and more stable pressure is provided for a transfer film compound; the plastic shell enables the ceramic plate to be buffered and protected, and the color of the plastic shell prevents the film transfer clamp from being reversely placed; large holes and small holes are uniformly formed in the ceramic plate at intervals, so that the electric field intensity is more uniform, and the membrane transfer efficiency is higher; the annular magnet design at the top of the plastic shell provides a stable supporting structure for the ceramic plate; meanwhile, the annular magnet serves as a switch for installing and removing the ceramic plate into and out of the plastic shell, and the left end and the right end of the annular magnet are dispersedly designed, so that the film rotating clamp is easy to open and close.

The invention discloses a questionnaire replacement method and device, equipment, a storage medium and a product, when a questionnaire problem of a target service scene is modified, association between the target service scene and an old-edition questionnaire is removed in a storage unit, association between the target service scene and a new-edition questionnaire is established, a questionnaire access address of the new-edition questionnaire is embedded in a questionnaire delivery carrier, and the questionnaire problem of the target service scene is modified. The questionnaire data of the current delivery questionnaire and the questionnaire data of the to-be-delivered questionnaire are limited to be mutually independent, so that not only is the updating of questionnaire questions of the target business scene completed, but also each piece of questionnaire statistical data can accurately correspond to a specific questionnaire version, and the statistical data are ensured not to be distorted after the questions are updated; therefore, the accuracy of the analysis result is ensured, and the real intention of the responder can be accurately reflected.