69 results about "Vertical projection" patented technology

The present application relates to the field of character recognition and image processing, and particularly relates to an ancient book and handwritten character intelligent recognition method and system. The method comprises: obtaining a whole page image by scanning an original page of an ancient book document, sequentially performing correction, enhancement, denoising and standardization processing to obtain an input image and a text label; using a character detection model to segment a character region and generate a text box coordinate, classifying a handwritten and printed character block, and establishing a corresponding relationship between a region, a coordinate, a category and a text label; performing horizontal and vertical projection to generate a projection block, calculating a sliding window parameter through a connected domain and a reference height, and adjusting a boundary to generate a recognition block; performing unified character processing and character recognition to obtain a result, triggering dynamic resolution optical character recognition and boundary adjustment through joint judgment, and outputting an overall detection and recognition result and a returnable recognition block. The present application improves the recognition accuracy and adaptability through closed-loop reprocessing and dynamic adjustment of the recognition block.

The utility model relates to chemical material filtering technical field, concretely provides a kind of circulating filter device, including filter box and feeding tank, material conveying pipe and circulating pump;Filter box is opened with input and output, and output is communicated with input by material conveying pipeline;Feeding tank and circulating pump are connected in material conveying pipe;Filter bag, deflector are provided in filter box;Filter bag is set on the position of input corresponding to filter box inner wall;Multiple deflectors are layered interval arrangement along the height direction of filter box, one of adjacent two deflectors is connected to the inner wall of one side of filter box, another is connected to the inner wall of other side, and adjacent two deflectors are cross distribution on vertical projection plane, and deflector is inclined downward and is provided with first filter screen.The utility model realizes the circulation of material in filter box by material conveying pipe and circulating pump, and the multistage filtering mechanism of filter bag, deflector and first filter screen is constructed, and the filtering effect and efficiency are improved.

The application discloses a kind of inclinometer lifting drive mechanism and method, it is related to engineering construction detection technical field, mechanism includes lifting cable, for fixed in the base of bearing cylinder, and drive wheel group and power device installed in base;Drive wheel group includes rotation assembly in the base gear set, upper drive wheel, lower drive wheel and guide wheel group;Power device is driven connection in upper drive wheel and lower drive wheel by gear set, and can make upper drive wheel and lower drive wheel each other reverse rotation;Upper drive wheel is provided with several positive annular upper wheel groove, lower drive sets several positive annular lower wheel groove, the number of lower wheel groove is more than the number of upper wheel groove, the vertical projection of each upper wheel groove in lower drive wheel, all be located between two adjacent lower wheel grooves;Lifting cable is passed through upper wheel groove, lower wheel groove and guide wheel group.The application is applied to inclinometer, in the case where ensuring that it can drive movable probe to realize stable and reliable lifting movement in inclinometer guide pipe, greatly shorten the length of lifting cable.

This invention belongs to the field of 3D printing model preprocessing technology, and particularly relates to a method, device, electronic device, and storage medium for generating model edge supports. The method includes: traversing the model; obtaining the minimum model frame; aligning the bottom center point of the minimum model frame to the origin of the zero-plane platform; raising the model by H millimeters; dividing the zero-plane platform into preset squares; obtaining the maximum vertical projection range of the model's bottom plane on the zero-plane platform; obtaining all preset squares within the projection range as candidate squares; obtaining the center points of the boundary squares; sequentially extracting the center points of the boundary squares with a linear interval of L + ΔX millimeters and determining them as extraction points; drawing vertical lines upwards from each extraction point to intersect the bottom of the model as target points; drawing support units downwards from each target point and connecting them between the bottom edge of the model and the zero-plane platform; and storing the 3D data. This method enables the batch automatic generation of support units at the bottom edge of the model.

The utility model discloses a steel pipe pile foundation reinforcing device, including two symmetrical main hoop, and the end face of two main hoop is through bolt penetration, the inclined support is top rotation and is installed in the outside of main hoop, be provided with reinforcing subassembly on main hoop, and this reinforcing subassembly includes: connecting piece, vertical penetration main hoop to be arranged on main hoop equally, reinforcing part, install on connecting piece, and the vertical projection of reinforcing part coincides with the vertical projection of main hoop, in the utility model, the reinforcing subassembly of additional not only has promoted the contact area with steel pipe pile foundation greatly to the effectual enhancement of the support performance of whole, still through more extensive distribution, make the load can be more evenly transmitted, reduced the risk of local stress concentration, and on the inclined support structure, added auxiliary support subassembly, this design not only strengthened the bearing capacity of inclined support itself, more on the whole, promoted the stability of support structure.

The application provides a cleaning device and a cleaning device assembly. The cleaning device comprises a housing, a walking device, an air duct and a fan module. The bottom plate of the housing has an air inlet and an air outlet. The walking device is installed in the housing, and the track of the walking device is arranged in the air outlet. The air duct and the fan module are arranged in the housing, and the fan module is used to drive the fluid to enter the air duct from the air inlet. The air outlet of the air duct is located on the side of the track away from the bottom plate, and in the plane parallel to the bottom plate, the vertical projection of the air outlet overlaps the vertical projection of the track. The cleaning device provided by the application can at least improve the cleanliness of the track to some extent, can at least avoid the accumulation of dust on the surface of the track and the storage of water stains, can improve the friction between the track and the surface to be cleaned, and can reduce the probability of slipping.

This application provides a display panel and a display device. The display panel includes: a substrate, and a photocell cell unit, a transparent insulating layer, and an OLED light-emitting unit sequentially stacked on the substrate; the first electrode layer of the photocell cell unit is a light-transmitting electrode layer; the OLED light-emitting unit includes a plurality of sub-pixel light-emitting units, which are designed to be semi-transparent; the photocell cell unit and at least one of the plurality of sub-pixel light-emitting units have at least a partial overlap area in the vertical projection direction, and the light-transmitting color of the photocell cell unit is the same as the light-emitting color of the sub-pixel light-emitting unit with the overlapping area; the photocell cell unit is used to convert ambient light and / or incident light from the sub-pixel light-emitting units into electrical energy. The display panel of this application has a self-charging function and does not require a polarizer or COE structure, thus improving display brightness and contrast.

The application discloses a display device and a driving method thereof, and relates to the technical field of display, which comprises a first liquid crystal panel and a backlight module. The first liquid crystal panel comprises a display area, a first substrate and a plurality of display sub-pixels, the display area comprises a detection area, the detection area comprises a plurality of detection sub-areas, and the detection sub-areas comprise a plurality of display sub-pixels. The backlight module comprises a plurality of backlight sub-areas, the backlight sub-areas are vertically projected on the first substrate and located in the vertical projection of the detection sub-areas on the first substrate, and at least one of the detection sub-areas is an adjusting sub-area. An adjusting module is configured to adjust the gray voltage received by at least one display sub-pixel in the adjusting sub-area and / or adjust the luminous brightness of at least one backlight sub-area in the adjusting sub-area, so as to adjust the light-emitting brightness of the adjusting sub-area to be less than or equal to a preset brightness, thereby reducing the brightness difference between the adjusting sub-area and other detection sub-areas and improving the brightness uniformity of the display device under low gray.

The present disclosure provides a semiconductor device package. The semiconductor device package includes a substrate having a first surface and a second surface opposite to the first surface, an optical device disposed on the first surface of the substrate, and an electronic device disposed on the second surface of the substrate. A power of the electronic device is greater than a power of the optical device. A vertical projection of the optical device on the first surface is spaced apart from a vertical projection of the electronic device on the second surface by a distance greater than zero.

This invention provides a method for fabricating a solar cell, a solar cell, a tandem solar cell, and a photovoltaic module, relating to the photovoltaic field. The solar cell substrate has first and second doped regions and an isolation region. The isolation region is partially disposed inside the semiconductor substrate and has a structure characterized by a wide bottom and a narrow opening, designed as a two-section groove structure, including a first section structure and a second section structure with an opening at one end, and the inner wall surface of the second section structure has a textured surface. The ratio D1 of the single maximum vertical projection area of ​​the second section structure on the cell to the single vertical projection area of ​​the first section structure on the cell is 1 < D1 ≤ 3, and the ratio D2 of the total maximum vertical projection area of ​​the second section structure on the cell to the area of ​​the first or second surface where the isolation region is located is 0.2 < D2 ≤ 0.8. Through the above design, the specific surface area of ​​the textured surface of the solar cell can be increased, increasing the number of reflections and refractions of light, thereby improving the bifaciality of the cell and its module.

This application relates to display panels and display devices. The display panel includes a substrate; a drive circuit layer, a light-emitting element layer, a thin film packaging layer, and a black matrix that are located over the substrate; a color resistance layer; and an infrared photo sensing element. The black matrix is located on a side of the thin film packaging layer. The vertical projection of the black matrix on the substrate is within the vertical projection of a gap between adjacent light-emitting elements on the substrate. The black matrix is an infrared light-transmitting layer. The color resistance layer is provided with a first hollow structure. The vertical projection of a gap between adjacent light-emitting elements at the position of the infrared photo sensing element on the substrate partially overlaps with the vertical projection of the first hollow structure on the substrate. Infrared light transmittance is improved.

The application discloses a kind of four-legged robot stair passing control methods, wherein method includes: based on the support state formed by the four-legged robot through mobile actuator and stair step, dynamic stability area is constructed in horizontal support plane;The mass center position of the whole body structure and mechanical arm is obtained;The position deviation between the vertical projection point of the mass center position on the horizontal support plane and the geometric center of the dynamic stability area is calculated;When the position deviation exceeds the preset safety range, control the mechanical arm to adjust its own posture, make the mass center position of the whole body move to the dynamic stability area, maintain the motion stability of four-legged robot in complex dynamic terrain such as stair.

A surface topography detection system is adapted to a bearing surface parallel to a first scanning direction. The surface topography detection system comprises a light pattern generator, a sensor and a lens set. The light pattern generator comprises a light pattern generating surface non-parallel to the first scanning direction. The light pattern generating surface is capable of emitting a periodic pattern light beam. The sensor comprises a sensing surface capable of sensing light. The lens set is aligned to the light pattern generating surface and the sensor. The periodic pattern light beam emitted by the light pattern generating surface is projected perpendicularly to the bearing surface through the lens set to form a projected focal plane pattern obliquely intersecting the first scanning direction, and the sensor images the projected focal plane pattern on the sensing surface through the lens set. The projected focal plane pattern is capable of intersecting a to-be-detected surface of a to-be-detected object at different horizontal positions and different heights, so that the surface topography detection system does not need to be vertically scanned, but only needs to continuously take images along the first scanning direction and perform image reconstruction calculation, so as to reduce the number of operations and improve the detection efficiency.

This application provides a sorting mechanism, workstation, and warehousing system. The sorting mechanism includes a raw material box conveyor line and an order box conveyor line, which are vertically spaced apart. The raw material box conveyor line is configured to transport raw material boxes for storing goods to be sorted, and includes at least one picking position. The order box conveyor line is configured to transport order boxes for receiving goods sorted from the raw material boxes, and includes at least one delivery position. The raw material box conveyor line is horizontally offset from the order box conveyor line so that the vertical projection of the order box does not at least partially overlap with the vertical projection of the raw material box, thereby ensuring a smooth and unobstructed process for sorting goods from the raw material box to the order box, and improving the efficiency of goods sorting.

The utility model belongs to the technical field of pet cages, and particularly relates to a novel environment-friendly pet cage convenient to clean. A novel environment-friendly pet cage convenient to clean comprises a bottom plate, a top plate and side plates connecting the bottom plate and the top plate, vertically-extending connecting columns are arranged at the corners of the bottom plate, and the top plate and the side plates are connected with the bottom plate through the connecting columns; at least one side plate can be arranged on the bottom plate in a sliding mode in the vertical direction, a first sliding groove and a second sliding groove which vertically extend are formed in the positions, corresponding to the slidable side plates, of the top plate and the connecting column respectively, and the vertical projection of the first sliding groove and the vertical projection of the second sliding groove coincide with each other; the inner side, close to the slidable side plate, of the bottom plate is provided with a stopping edge extending upwards, and the stopping edge is used for preventing padding from running into the second sliding groove. When the slidable side plate moves upwards, a padding pouring opening is formed between the lower end of the side plate and the stop edge. The utility model has the advantages of being convenient for a user to clean and better in environment-friendly effect.

A seamless touch display module includes a light-transmissive cover plate, a shielding layer, an assembled circuit board, and a backlight module. The shielding layer is disposed on a lower surface of the light-transmissive cover plate to define a light-transmissive region. The assembled circuit board is located below the shielding layer and has a touch-sensing region, wherein a vertical projection of the light-transmissive region is adjacent to or corresponds to a vertical projection of the touch-sensing region. The backlight module is located below the shielding layer and is disposed above or below the assembled circuit board and includes a light-emitting element and a light guide plate. The light guide plate laterally abuts the light-emitting element, wherein the vertical projection of the light-transmissive region is located within a vertical projection of the light guide plate. When the backlight module is disposed below the assembled circuit board, the assembled circuit board has a through-opening corresponding to the light-transmissive region.

This invention relates to the field of intelligent image processing technology and discloses an intelligent evaluation method for hard-pen calligraphy based on multi-dimensional feature quantization. The method involves acquiring images of the characters to be evaluated and standard characters, performing preprocessing, and then extracting 12 quantified features for four evaluation dimensions: character shape, structure, stroke technique, and rhythm. These features include aspect ratio, robustness, fullness, character overlap ratio, horizontal projection overlap ratio, vertical projection overlap ratio, stroke component position similarity, stroke component proportion similarity, stroke component angle similarity, horizontal rhythm distribution similarity, vertical rhythm distribution similarity, and overall rhythmic similarity. The LightGBM model is then used to learn the model based on a training dataset. Finally, the quantized feature vector of the character to be evaluated is input into the trained model to output a comprehensive evaluation score. This method improves the objectivity, accuracy, and batch processing efficiency of the evaluation.

The application relates to the field of motion capture technology, and particularly discloses a martial art motion recognition method based on motion capture, which comprises the following steps: acquiring original motion capture data of a user at a current sampling moment; generating a reference plane based on plantar pressure distribution data; classifying pixel points in a depth image according to the spatial distance between the pixel points and the reference plane, extracting a pixel point set D belonging to the user's body entity after classification, calculating the vertical projection contour of the pixel point set D on the reference plane, and marking the vertical projection contour as a real limb contour; generating a posture snapshot at the current moment based on the real limb contour and joint coordinate data; comparing the posture snapshot with a pre-stored standard martial art motion template library, and outputting the martial art motion name at the current sampling moment and the deviation between the posture snapshot and the standard template. The application improves the motion recognition accuracy in a home exercise scene.

An electronic package structure and a method for manufacturing the same are provided. The electronic package structure includes a metal-containing layer, an electronic component, an encapsulant and a reinforcement structure. The electronic component is disposed over the metal-containing layer. The encapsulant encapsulates the electronic component, and defines a designated cavity. The reinforcement structure contacts the metal-containing layer, and overlaps a vertical projection of the designated cavity. A rigidity of the reinforcement structure is greater than a rigidity of the metal-containing layer.

This invention provides a front wheel steering cylinder protection device and a grader thereof. The front wheel steering cylinder protection device includes a protective plate; the protective plate is installed directly below the steering cylinder used to drive the front wheels of the grader; the vertical projection of the piston rod of the steering cylinder when retracted or extended is completely covered by the protective plate. This invention, by using a protective plate directly below the steering cylinder, completely covers the vertical projection range of the cylinder piston rod during extension and retraction, effectively blocking direct impacts from raised areas of the ground and foreign objects splashed during construction. This significantly reduces the risk of deformation, scratches, or seal failure of the cylinder due to external impacts, extending the cylinder's service life.

This invention relates to the field of vertical high-gradient magnetic separation, specifically to a pulsed adaptive vertical high-gradient magnetic separator. The separator includes an extension tube disposed on the inner wall of the tailings hopper and communicating with the pulsed mechanism. The end of the extension tube away from the pulsed mechanism has a vertical structure, the upper end of which is the end of the extension tube away from the pulsed structure. The tailings hopper is filled with water, partially submerging the magnetic yoke located on the inner ring side of the vertical ring. The vertical projection of the vertical structure is located at the center of the vertical projection of the tailings hopper, and the upper end of the vertical structure extends to below the magnetic yoke located on the lower side of the vertical ring. This invention solves the problem in existing vertical ring high-gradient magnetic separators where the low frequency of water flow disturbance in the pulsed mechanism, attenuation of pulsed energy, and unidirectional disturbance direction lead to the ineffective separation of magnetic particles carrying non-magnetic particles.

The present application relates to the technical field of ecological monitoring, in particular to a fluid game marine ecological stereoscopic monitoring method and system based on multi-source remote sensing. The method comprises multi-source remote sensing manifold alignment and cross-medium dynamic characteristic reconstruction based on obtained multi-source heterogeneous data, including multi-source satellite orbit period time series harmonic normalization processing and manifold space coordinate construction based on sea surface dynamics potential energy, remote sensing spectral semantic extraction and sea surface dynamics characteristic fusion, and vertical projection and three-dimensional field reconstruction based on SQG theory; physical constraint space-time hypergraph construction based on quasi-geostrophic flow theory based on reconstructed information, including dynamic neighborhood search based on Lagrange coherent structure and quasi-geostrophic flow line hyperedge correlation matrix construction; the present application breaks through the vertical detection blind area caused by the "skin effect" of satellite remote sensing, and significantly reduces the inversion error of deep sea ecological parameters.

This invention provides a visual mapping system, comprising: a visual mapping reference pad and a processing module, wherein the visual mapping reference pad includes a pad body; a surface layer disposed on the surface of the pad body; the surface layer is a matte coating with a microscopic uneven structure; positioning anchors disposed on the pad body, the positioning anchors being used for positioning and alignment during splicing; visual coding marks disposed on the surface layer; wherein the center of the visual coding marks coincides with the center of the positioning anchors in the vertical projection direction; and a multi-level dimension reference calibration area disposed on the surface layer; the processing module is configured to calculate the homography matrix by recognizing the visual coding marks of the visual mapping reference pad, reconstruct the orthophoto plane coordinate system, establish a mapping model between pixel coordinates and physical dimensions, and output the key geometric parameters of the part to be measured. This invention aims to achieve high-precision automated mapping.

An electronic package structure and a method of manufacturing the same are provided. The electronic package structure includes a metal-containing layer, an electronic component, an encapsulation, and a reinforcement structure. The electronic component is disposed over the metal-containing layer. The encapsulation encapsulates the electronic component and defines a designated cavity. The reinforcement structure contacts the metal-containing layer and overlaps a vertical projection of the designated cavity. A stiffness of the reinforcement structure is greater than a stiffness of the metal-containing layer.

The application discloses a virtual anchor point solving method based on indoor multipath characteristics, which can be applied to a single station single antenna scene, and aims to utilize multipath component delay to realize position calculation of a virtual anchor point in an indoor environment, and gives a method for solving three-dimensional virtual anchor point coordinates from two-dimensional space from the perspective of space projection to cope with the demand of indoor multipath assisted positioning. Firstly, a virtual anchor point model of three-dimensional space is constructed; then, horizontal projection is carried out to solve a virtual anchor point of a two-dimensional horizontal plane; secondly, vertical projection is carried out to solve a virtual anchor point of a two-dimensional vertical plane; finally, similar virtual anchor points are excluded to obtain virtual anchor points corresponding to reflecting surfaces in a three-dimensional closed room. The application avoids extra parameter errors and high hardware costs caused by multi-parameter estimation, and is a multipath assisted mapping method with strong interpretability and simple implementation operation.

The utility model belongs to the field of automobile assembly, specifically relates to a lifting support of circulating ball steering gear. The support includes three L type lifting ring supports, one J type lifting hook and lifting rope, the L type lifting ring supports are evenly arranged on the circulating ball steering gear, the J type lifting hook is connected with the three L type lifting ring supports and the crane through the lifting rope, the L type lifting ring support is the metal bending plate, and one through hole is arranged on two bending respectively. Adopt the lifting support of the utility model, the vertical projection of the circulating ball steering gear after being lifted is located in the triangle surrounded by the vertical projection of the three lifting ring supports. The length of the three lifting ropes can be adjusted, the angle of the steering gear after being lifted is adjusted, and the worker is convenient to install.

This invention relates to the field of wind turbine blade inspection technology and discloses a wind turbine blade web mold gap detection device based on optical path reflection. The device includes: a support mechanism for fixing the wind turbine blade and web to be tested and providing a measurement reference; a movable measuring mechanism mounted on the support mechanism, movable along the length and / or width direction of the web to be tested; a laser emitting mechanism mounted on the movable measuring mechanism for emitting a ranging laser; and an optical path steering mechanism mounted on the movable measuring mechanism, positioned opposite the laser emitting mechanism, for converting the horizontal laser emitted by the laser emitting mechanism into a vertical projection onto the upper surface of the web. This invention employs the principle of laser reflection and phase ranging, avoiding contact between the web and tooling surface throughout the process, thus preventing scratches and contamination, achieving non-destructive testing, and protecting workpiece quality. Furthermore, the laser ranging accuracy is far superior to traditional contact measurement methods such as clay or feeler gauges, and the data consistency is strong.

The utility model discloses a cleaning nozzle and cleaning device, the cleaning nozzle includes: the main body structure is equipped with the air blowing channel and the air suction channel in it, and the main body structure is equipped with the cleaning face to the product to be cleaned, a plurality of air blowing holes are all arranged in the middle part of the cleaning face, and the air blowing hole is connected with the air blowing channel, and a plurality of air blowing holes include center air blowing hole and edge air blowing hole, and the through-flow area of center air blowing hole is greater than the through-flow area of edge air blowing hole, a plurality of air suction holes are all arranged on the cleaning face, and the air suction hole is arranged on the periphery of air blowing hole, and the air suction hole is connected with the air suction channel, and the vertical projection of a plurality of air suction holes on the cleaning face and the vertical projection of the product to be cleaned on the cleaning face keep interval arrangement. In the case where the same air blowing height and air blowing flow, increase the through-flow area of center air blowing hole more favorably bring greater cleaning coverage area, and the exhaust gas flow is just located the suction path of air suction hole when flowing out the product to be cleaned, can bring more smooth exhaust path.