345results about How to "Solve misalignment" patented technology

The embodiment of the invention discloses a high-precision map data processing method and a high-precision map data processing device. The method comprises the following steps of performing at least twice collection on map data along a target track so as to respectively obtain at least twice original map data; respectively recognizing objects in the original map data, and extracting object features; matching the object features in each original map datum; using an object with the matched object features as a reference substance; and performing fusion processing on each original map datum. The embodiment of the invention has the advantages that the objects in the original map data are recognized; the object features are extracted; the object features in each original map datum are further matched; the object obtained after the matching is used as the reference substance; and the reference substance is used for performing fusion processing on the original map data. The problem of offset of objects in a map image is solved; the ghost problem of the map image is solved; and the definition of the map image is improved.

The invention discloses a main shaft axial dynamic stiffness test device. A center height adjusting screw is arranged on a box body. A butterfly-shaped spring is arranged in the box body. The butterfly-shaped spring is connected with a force sensor. The force sensor is connected with a guide element of a force loading module. The guide element is connected with a feed screw. A displacement measurement module is arranged on a main shaft. A center height adjusting knob is adjusted. Through a connecting guide rod, the main shaft and test equipment are connected. After the displacement measurement module is arranged and adjusted, the displacement measurement module and a force measurement module access a computer, and test software is turned on. The main shaft is rotated, and the force loading module is started. The force loading module axially applies a corresponding pull pressure load on the main shaft. The test software synchronously acquires and records the applied pull pressure load and the corresponding axial displacement offset. After a procedure carries out data processing, a main shaft dynamic stiffness test result is output.

The invention discloses a production method of an LED (light emitting diode) chip. The production method comprises the following steps of providing a substrate, and sequentially producing an N-type semiconductor layer, a luminescent layer and a P-type semiconductor layer on the substrate to form an LED wafer; depositing an ITO (indium oxide) transparent conductive layer on the LED wafer; performing the MESA photoetching on the ITO transparent conductive layer through photoetching glue to form an MESA layer; performing ITO etching on the ITO transparent conductive layer; performing the ICP etching on the LED wafer to form an N-type semiconductor table-board; removing the photoetching glue remained after the MESA photoetching; depositing a passivation layer on the ITO transparent conductive layer and the N-type semiconductor table-board; performing the PAD photoetching on the passivation layer through the photoetching glue to form a PAD layer; performing the passivation etching on the PAD layer, and removing the passivation layer in the area of the PAD layer; producing a P electrode and an N electrode on the etched passivation layer; and removing the photoetching glue remained after the PAD photoetching. By adopting the method, a self-aligning function of the photoetching can be realized, the machining flow of the chip can be shortened, and the machining cost of the chip can be reduced, the ITO light emitting area is increased, and the brightness of the chip is improved.

The pedestrian re-identification system comprises a multi-stream feature distance fusion system used for calculating the image similarity between an image p to be detected and each reference image inan initial reference image set G, a sorting system used for sorting the reference images according to the image similarity, and a re-sorting system based on k neighborhood distribution scores. And thereordering system is used for reordering the reference images in the initial ordering list according to the k neighborhood distribution score on the basis of the initial ordering list. The inventionfurther discloses a pedestrian re-identification method, and the pedestrian re-identification system is adopted by the pedestrian re-identification method. The pedestrian re-identification method aimsat two main factors influencing pedestrian re-identification, namely image similarity calculation and image sorting, improvement is carried out respectively, and compared with the prior art, the improvement of any one aspect can improve the accuracy of pedestrian re-identification. And an optimal pedestrian re-identification effect can be obtained through the combination of the improvement of thetwo aspects.

The invention belongs to the filed of image matching of coding structured light active visual sense in machine visual sense, in particular to a feather point matching method based on the colored false random coding projection. The invention is based on a false random coding principle, and designs a novel colored coding projection template by using a point and line combined method. The method comprises the following concrete steps: 1. generating a false random sequence from a0, a1 to an by a feedback network n-displacement bit register specified by a primitive polynomial h(x)=xm+hm-1xm-1+...+h1x+h0; 2. filling the false random sequence from a0, a1 to an into a matrix with the size of n=n1*n2 for generating a false random array b; and 3. using the generated array values as the discrete feather points, connecting the feather points by a feather line, and establishing a coding template. The invention introduces a morphological algorithm, and provides the extraction algorithm of the relevant feather points. In the decoding process, the invention provides the thought of mutual verification of adjacent windows, can realize the automatic extraction and matching of the feature points, and can perfectly solve the problem of shadow generation during the projection of the structural light on the surface of the complicated three-dimensional scenes and the problem of mistake feather point matching caused by that parts of coding patterns are covered because the shooting angles of a video camera are different.

The invention relates to an aromatic polyamide fiber-silicone rubber cloth, a method for producing the same and an application thereof in the aspect of manufacturing a hose. The production method comprises the following steps that: silicone rubber virgin rubber is added with an auxiliary agent to be mixed into silicone gross rubber through a rubber refining machine; the silicone gross rubber is added with the auxiliary agent and a coupling agent to be stirred and prepared into silicone gross rubber paste; the silicone gross rubber paste is applied on the surface of an aromatic polyamide fiber cloth; sulfur treatment is performed; etc. The production method realizes direct adherence of the rubber and the surface of the aromatic polyamide fiber cloth by adoption of the method of adding the coupling agent in the silicone gross rubber. The product of the aromatic polyamide fiber-silicone rubber cloth produced by the method can meet the following performance indexes: the tensile strength of rubber materials is more than or equal to 6 MPa; the tear strength of the rubber materials is more than or equal to 30 N.mm<-1>; the adhesive strength between Ib rubber with flame-retardant property and a base-cloth layer is more than or equal to 3 N.mm<-1>; the service temperature is between 60 DEG C below zero and 200 DEG C; and the folding fatigue resistant time is more than or equal to 2 million times. The aromatic polyamide fiber-silicone rubber cloth is used for manufacturing various flexibly connected pipes and is a superior cloth for manufacturing a transition air channel hose of a pulling motor of a locomotive.

A method and a system for calibrating a camera in a surveillance system. The method and system use a mathematical rotation between a first coordinate system and a second coordinate system in order to calibrate a camera with a map of an area. In some embodiments, the calibration can be used to control the camera and/or to display a view cone on the map.

The invention discloses a uniaxial rotational modulation based inertial and celestial combined navigation system and a calculation method. The system comprises a uniaxial rotational modulation strap-down inertial navigation system, a celestial navigation system and a horizontal rotating table. A rotational modulation shaft of the uniaxial rotational modulation strap-down inertial navigation systemis coincided with a shaft, perpendicular to the horizontal rotating table, of the celestial navigation system so as to realize rotational modulation along with rotation of the rotational modulation shaft. By selection of a reasonable rotating mode, inertial device biases form periodic signals under a navigation coordinate system, and caused navigation errors are eliminated through the integral action. By combination of the uniaxial rotational modulation based inertial and celestial combined navigation system and the calculation method based on the same, high-precision high-reliability navigation information output is realized, and demands of current navigation users are met.

The invention relates to the technical field of agitating lorries, and discloses a support device, which is used for supporting an agitator drum of an agitating lorry. The support device comprises a riding wheel assembly, wherein the bottom end of the riding wheel assembly is fixed to a lorry body of the agitating lorry through an elastic device. The bottom end of the riding wheel assembly of the support device is fixed to the lorry body of the agitating lorry through the elastic device; and when the agitating lorry runs on bumpy and uneven roads quickly, the impact generated by the upward jumping of the agitator drum can be absorbed by the elastic device, so that the impact generated by the upward jumping of the agitator drum can be reduced, and the agitator drum and the riding wheel assembly are protected effectively. The invention also discloses the agitating lorry.

The invention discloses a pedestrian re-identification method combining deep learning and metric learning. The pedestrian re-identification method comprises the following steps of extracting pedestrian image deformation area deep convolution features; calculating a pedestrian image deformation area Mahalanobis distance measure and a Jackalide distance measure; and optimizing the distance metric across the camera pedestrian. According to the invention, a region naming network is used; a local deformation area of the pedestrian image is obtained, and the deep convolution characteristic of the local deformation area of the pedestrian appearance is fully applied. The pedestrian recognition method based on the simulated annealing algorithm is used for representing multiple pieces of detail information of the pedestrian image, the simulated annealing algorithm is applied to learn the optimal distance function of the cross-camera pedestrian by combining the Mahalanobis distance and the Jackddistance of the deformation area of the pedestrian image, and the optimal distance measurement of the cross-camera pedestrian is realized, so that the pedestrian re-recognition ability and robustnessare improved.

The invention relates to an orthopedics department reset positioning robot, which solves the technical problem that an existing orthopedics department operation robot is low in reset precision during an operation and comprises a reset robot body, a navigation robot and a positioning robot body, the reset robot body comprises a reset platform, a far-end fixator and a far-end reference frame, and the far-end reference frame is fixed to the far-end fixator; the far-end fixator comprises a connecting base plate, a movable connecting plate, a first locking device, a reference frame, a first connecting side plate, a second connecting side plate, a first fixed sleeve, a second fixed sleeve, a fixing plate, a first fixed needle, a second fixed needle, a third fixed sleeve, a fourth fixed sleeve, a third fixed needle and a fourth fixed needle. The invention is widely applied to orthopedic surgery.

The invention relates to a capacitive touch screen laminating process. The process comprises the following steps: 1. selecting a lamination program according to the product model; 2. setting lamination parameters and vacuumizing the table board, wherein the pressure is -40 to -85 Kpa, the rolling shaft pressure is 400-600 g, and the shift-out speed is 30-50 cm/min; 3. clicking an original point and resetting a turning plate and a transfer plate; 4. clicking a locating needle button so that the locating needle pops up; 5. placing an optical clear adhesive (OCA) punched with locating holes on the transfer plate so as to carry out vacuum extraction; 6. placing a sheet needing to be laminated on the turning plate so as to carry out vacuum extraction; 7. removing the sheet needing to be laminated and a protective film on the OCA; 8. starting a start button so that equipment works; and 9. after the lamination, taking down the laminated sheet from the turning plate. Through the process, the problems of inaccurate alignment and bubble generation in the lamination process of the touch screen are solved, the lamination alignment precision is improved, the generation of foreign matters and bubbles is reduced, and the requirements on the product appearance are met. The lamination process is simple and fast and suitable for mass production.

The invention discloses an automatic centering plugging method for an electric connector. After an existing electric connector plugging device is abraded, the coaxiality of a socket and a plug of theelectric connector is reduced. The method comprises the steps that the transmitting ends of two photoelectric sensors are both fixed on an electric connector socket clamp, the receiving ends of the two photoelectric sensors are both fixed on an electric connector plug clamp, and the translation in two directions and rotation in one direction of the electric connector socket clamp are realized through the driving of an XZ-axis two-dimensional sliding table and a rotary servo motor; a master controller judges that the receiving ends of the two photoelectric sensors receive the infrared light emitted by the emitting ends of the photoelectric sensors, the positioning protrusions of the electric connector socket, the positioning grooves of the electric connector plug and the central axes of theelectric connector socket and the electric connector plug are judged to be aligned, and then an electric connector plugging and unplugging device carries out plugging and unplugging tests on the electric connector. According to the invention, the problem that the socket and the plug of the electric connector cannot be centered after the electric connector plugging device is plugged for multiple times, is effectively solved.

The invention discloses an image splicing method and system based on straight line feature and key point feature fusion, and relates to the technical field of image splicing and pattern recognition. In order to extract more features on a low-texture image as much as possible, linear features are introduced, that is, the linear features and key point features on the image are detected at the same time, feature extraction of the to-be-spliced image is enriched, and a moving direct linear transformation algorithm combining the linear features and the key point features is introduced. Linear features and key point features are used for jointly guiding local homography transformation of each grid, in order to prevent the linear features from weakening the alignment capacity of the key point features, the fusion degree of the linear features is balanced through lambda constant coefficients, and it is verified that the moving direct linear transformation algorithm with the balance factor hasbetter low texture image alignment capacity, and the problem of misalignment caused by insufficient SIFT feature points of a low-texture image is effectively solved.

The invention relates to a method for constructing a slab-girder structure of a train body in the analysis of a train structure, which is used for solving the static force problem of a slab- girder combined structure in a train body steel structure. The method is characterized by comprising the following steps: constructing the slab-girder combined structure at a connection part of a girder unit and a slab unit, constructing an eccentric displacement relation of eccentric nodes when the slab unit is eccentrically connected with the girder unit; then formulating finite element programs constructing the slab-girder combined structure based on a penalty element method and a Lagrange multiplicator method respectively, wherein the finite element programs are respectively used for solving the static force problem of the slab- girder combined structure and the static force problem when the slab unit or the girder unit independently exists. The method can solve the contribution problem of theslab unit to the combined structure total rigidity matrix because of eccentric connection, has less total elements and nodes of the slab-girder combined structure, little occupation machine time of computation, low computation cost and results more accordant with practical situation, and is an effective method for constructing the slab-girder structure of the train.

The invention provides an auxiliary frame sealing glue structure, a box-aligning substrate and a display device. The auxiliary frame sealing glue structure is arranged between an upper substrate and a lower substrate and comprises an opening structure, a first frame and a second frame connected with one end of the first frame, wherein the connecting position of the first frame and the second frame is in a sealed state. According to the auxiliary frame sealing glue structure, the junction position of the two frames on a windward surface in the rotation process is set to be in the sealed state, the opening structure is arranged in another position, the substrate is prevented from being affected by air resistance caused by rotation, the problem of deviation of a glass substrate in the rotation process is resolved, and further aligning deviation problem is effectively resolved. In addition, the uneven thickness of a box at the peripheral edge of a signal liquid crystal panel caused by uneven external atmospheric pressure acting on the inside and the outside of the substrate is avoided, and therefore the quality and yield of products are largely improved.

The invention discloses nontraditional cut tobacco type cigarette production equipment, which comprises multiple drum wheels, wherein a nontraditional cut tobacco stick section and a composite filtertip section are delivered to a wrapping region through the drum wheels, tipping paper is supplied along a dual-wide tipping paper centrosymmetric surface MU to wrap and form the nontraditional cut tobacco stick section and the composite filter tip section, and the distance between each of the dual-wide tipping paper centrosymmetric surface MU, a double-length composite filter tip section centrosymmetric surface MF and a double cigarette final cutter centrosymmetric surface MK and a center surface MM of the machine is 0. According to the equipment, the distance between each of the dual-wide tipping paper centrosymmetric surface MU, the double-length composite filter tip section centrosymmetric surface MF and the double cigarette final cutter centrosymmetric surface MK and the center surfaceMM of the machine is ensured to be 0, so that the problems of substandard cigarette appearance quality and scrap consumption caused by such a requirement that the tipping paper is aligned with a filter tip on one side during high-speed operation of the equipment are solved, the aim of controlling the quality and the aesthetics of cigarettes is fulfilled, and in addition, the production efficiencyis improved.