54results about How to "Realize automatic splicing" patented technology

An embodiment of the invention discloses a map making method, device and system based on laser radar. The method comprises: respectively acquiring two preliminary data frames which correspond to adjacent scanning periods; respectively extracting point, line and surface features in the two preliminary data frames by a first preset algorithm; calculating a first transfer matrix by a second preset algorithm according to the extracted features; implementing registration of the two preliminary data frames; respectively extracting point, line and surface features of two middle data frames by the first preset algorithm and implementing registration again; and transforming local coordinate data frames, which are obtained by secondary registration, under a local coordinate system to a global coordinate system and updating the map. According to the technical scheme in the embodiment, the precision and accuracy of the obtained map can be improved, the map drawing efficiency is improved, and the occupied space and manufacturing cost of the system are saved.

The invention relates to a crack splicing method in bridge quality detection. The machine vision technology, modern sensing technology, data analysis processing technology, calculation technology canbe effectively fused into bridge quality detection. Aiming at the acquired local image of the crack; the splicing of crack images is accurately completed. The automatic detection of the whole crack ofthe bridge is met; the safe use of the bridge is ensured. Method of installing an installation device, Collecting crack images, Crack image stitching, carrying out graying on the spliced image; grayscale transformation and image filtering preprocessing are carried out. The method is scientific. The bridge crack automatic splicing device is simple in structure, easy to operate, good in detectioneffect and capable of rapidly and accurately achieving automatic splicing of the same crack at different visual angles, the problem that long cracks cannot be contained in crack images is solved, themaximum crack width and the automatic detection level of the real position of the maximum crack width in bridge quality detection are further improved, and smoothness and safety of traffic transportation are effectively guaranteed.

The invention discloses an image acquisition and reconstruction method based on machine vision. The method comprises the following steps: 1) through an image acquisition mechanism set by a full image digital acquisition instrument, image acquisition is carried out on a to-be-detected material with a specific shape or set pattern information; 2) an image processing mechanism is set to carry out the following substeps on an acquired image: a) CIS stitching processing, b) image consistency correction processing, c) image high-precision re-sampling processing and d) bitmap-to-vector processing to acquire and output vector data; and 3) according to the outputted vector data, vector reconstruction is carried out on the specific shape or the set pattern information of the specific shape. The invention also discloses a device for implementing the above method. Automatic image stitching can be realized, a perfect wide image can be presented, fast image correction is realized, the image contour edge detail fidelity capability is high, the bitmap-to-vector algorithm can complete accurate extraction on a bitmap contour of a scanned object, and a high-precision contour image can be acquired.

The invention provides a connector device of a cord fabric cutting machine and a method thereof, which feed the previous cord fabric and the next cord fabric in sequence forwards by adopting the same integrated connector conveying belt, and lift the tail part of the previous cord fabric from the conveying belt before the connector is stitched and position the cord fabric so as to completely solvethe problem of dynamic shortage of a strip of the cord fabric and realize a resistance-free conveying mode. The connector device of the cord fabric cutting machine is mainly provided with a frame carrying the connector conveying belt, wherein the connector conveying belt is driven by a servo motor and conveys the cord fabric along the vertical direction of the frame; the front end of the frame isprovided with a connector mechanism which is used for connecting the previous cord fabric and the next cord fabric together; the upper part of the frame is only provided with the integrated connectorconveying belt; the vertical length of the conveying belt is larger than the maximum length specification of the conveyed cord fabric; the front end of the connector conveying belt is provided with acord fabric lead device; and a cross beam of the connector mechanism is provided with an adsorption mechanism which is used for upwards lifting and positioning the end part of the cord fabric.

The invention provides a panoramic stitching system and method for microscopic images. The panoramic stitching system comprises a view sub-block matching module, a view position fitting module and a block extraction module, the view sub-block matching module is used for identifying an overlapping region between the images and judging an adjacent position relationship between the sub-images, so that the sub-images acquired by the microscopic scanning device are automatically arranged according to a splicing sequence of the images; the visual field position fitting module is used for finely adjusting the position according to the overlapping area between the sub-images so as to accurately splice the cell positions; and the block extraction module is used for automatically extracting a completely spliced image. By the adoption of the scheme, automatic splicing can be achieved, high-definition images can be obtained, in the splicing process, the method can adapt to disorderly-arranged images without clearly scanning the sequencing problem of the images, high compatibility is achieved, and labor intensity is greatly reduced. The splicing process of the method can be completed in a second-level range so as to adapt to the data processing intensity of large-scale diagnosis on the cloud.

The invention discloses an automatic yarn replacing, twisting and connecting machine for yarn of multiple colors. The automatic yarn replacing, twisting and connecting machine comprises a twisting andconnecting machine rack and a yarn winding mechanism. A yarn arrangement mechanism is arranged at one end of the twisting and connecting machine rack. The yarn arrangement mechanism is provided withat least two pieces of yarn. The first piece of yarn is connected to the yarn winding mechanism. The second piece of yarn is suspended on the yarn arrangement mechanism. The twisting and connecting machine rack is fixedly connected with a supporting plate. The supporting plate is provided with a yarn cutting and clamping mechanism, a yarn grabbing and clamping mechanism, a yarn pressing mechanismand a twisting and connecting device. One end of the yarn grabbing and clamping mechanism is fixed to the supporting plate. The other end of the yarn grabbing and clamping mechanism is movably connected with the twisting and connecting machine rack. The yarn pressing mechanism is arranged above the twisting and connecting device. According to the automatic yarn replacing, twisting and connecting machine, the multi-color yarn twisting and connecting process is controlled by a computer, all the mechanisms are mutually matched, automatic twisting and connecting of multiple sections of yarn of different colors is achieved, manual yarn twisting and connecting is not needed, the labor cost is saved, the production cost is reduced, the twisting and connecting efficiency of yarn of multiple colorsis improved greatly, and the twisting and connecting success rate is high.

The invention discloses a method for automatically splicing a scribing groove frame. A chip array is determined by directly reading layout data of a scribing groove and extracting a chip identification layer, afterwards, by calculating set values like the width of the scribing groove and repeat margin, the scribing groove frame is automatically spliced, and it is ensured that engineering surveyinggraphs in a splicing region cannot mutually interfere due to overlapping.

The invention discloses an aerial remote sensing image splicing method based on feature optimization and an optimal splicing seam, and belongs to the technical field of image processing. The inventionaims to provide an aerial remote sensing image splicing method based on feature optimization and an optimal splicing seam. The aerial remote sensing image splicing method is used for automatically splicing remote sensing images shot by an aerial reconnaissance camera. The method comprises the following steps: carrying out rough matching on image feature points by utilizing an improved SURF algorithm, and carrying out image fusion by utilizing feature point fine matching based on normal distribution. According to the invention, manual participation is not needed, and automatic splicing of panoramic images can be realized according to the types of the image files. The splicing method provided by the invention has the characteristics of high processing speed and high splicing precision, thefeature point detection efficiency is improved by pre-defining the feature detection area, a feature point screening method is provided and can be used for calculating a more accurate transformation matrix, more accurate registration is realized. The provided splicing seam searching method can effectively protect the salient target of the overlapping region and ensure the integrity of the target.

The invention belongs to the field of network video surveillance, and particularly relates to a quantum-encryption-type video monitoring system used for intelligent ad hoc network communication. The system includes panoramic cloud platform and control systems and intelligent ad hoc network communication terminal equipment. The panoramic cloud platform and control systems are connected with the intelligent ad hoc network communication terminal equipment through network interfaces. The intelligent ad hoc network communication terminal equipment uses a wireless Mesh network to realize two-way communication with other intelligent ad hoc network communication terminal equipment and a monitoring center, and thus transmits panoramic video data through the wireless Mesh network. The intelligent adhoc network communication terminal equipment uses quantum keys for encryption, cooperates with the wireless Mesh network to realize double encryption, sets maximum values of connection point numbersand maximum values of data transmission traffic, and can carry out automatic re-connection when the connection point numbers or the data transmission traffic exceeds the maximum values. Panoramic video splicing systems are integrated in the intelligent ad hoc network communication terminal equipment, and collected panoramic video information can be processed and compressed.

The invention provides a material station for belt material processing. According to the material station, a material warehouse is designed to be used for the vertical stacking of belt material trays;a grabbing and lifting device is designed to grab the belt material trays in the material warehouse and convey the belt material trays to a material supply station; a station changing and unwinding mechanism in a straight path is designed to convey one of the belt material trays at the material supply station to an unwinding station and perform the unwinding operation; a traction device is designed to pull the belt head of a new belt material tray and a double-sided adhesive sheet to an overlapping station; an overlapping device is designed to achieve the splicing of new and old belt materials; and consequently, the automatic replacement of the belt material trays during belt material production, the automatic pulling of the belt head and the double-sided adhesive sheet, as well as the automatic splicing of the new and old belt materials can be achieved, no manual operation is needed, the production efficiency can be effectively improved, and the production cost can be reduced.

The invention discloses a self-positioning splicing method based on a mark circle. The method comprises the following steps of S1, building a fixed platform aiming at a flexible circuit board mother board, and a multi-degree of freedom platform aiming at a flexible circuit board son board; S2, sleeving two first positioning holes in the flexible circuit board mother board on two first positioningcolumns on the fixed platform, and sleeving two second positioning holes in the flexible circuit board son board on two second positioning columns on the multi-degree of freedom platform; and S3, photographing the flexible circuit board mother board and the flexible circuit board son board via an industrial camera, calibrating the positions of the two first positioning columns as two mark circles,and calibrating the positions of the two second positioning columns as two correction circles. By using the method provided by the invention for splicing the flexible circuit boards, the splicing quality of the circuit boards can be effectively improved, the splicing accuracy is high, the splicing cost also can be reduced, and the flexible circuit boards can be automatically spliced.

The invention discloses a continuous automatic welding device for steel plates. The continuous automatic welding device comprises a machining base, wherein a containing groove is formed in the center of the top face of the machining base, and a movable plate is arranged over the containing groove; a fixed base is arranged on the bottom face of the movable plate, and a lifting block capable of ascending and descending is arranged in the fixed base; a longitudinal welding plate base is fixed to the front side wall of the lifting block; and a longitudinally-moving welding head is arranged at the top of the longitudinal welding plate base. The continuous automatic welding device has the advantages that a plurality of steel plates with the same size can be arranged on the machining base in order and are limited and fixed through two movable limiting pressing plates; a welding gun head capable of ascending, descending and moving is arranged above the steel plates, and the welding gun head can automatically move to the joint of two adjacent steel plates for welding, so that automatic splicing of the steel plates is achieved; and the automation effect is good, and resources are saved.

The invention discloses a method and device for merging multi-media data and a storage medium, and belongs to the field of Internet. The method comprises the steps that after a song merging list is obtained, at least two pieces of target lyric data are obtained in the song merging list; according to the target lyric data, lyric matching data which is highest in association degree is obtained, andthe lyric matching data is recorded; according to the lyric matching data, merging fragments of the target lyric data are determined; the merging fragments of the target lyric data are continuously played, so that it is achieved that at least two pieces of song information in the song merging list are automatically merged. The situation that mergence of the song information can be manually achieved through specialized persons is avoided, and the song merging flexibility is improved.

The invention provides a cylinder driving type digital controlled lathe tailstock automatic feeding control method capable of achieving floating tapping. A digital controlled lathe saddle and tailstock engaging and disengaging connecting device is adopted and comprises a connecting pillar, a rotating arm component, a driving component and a screw tap component, wherein a ring slot is formed in the middle of the connecting pillar, and a pair of sensors are arranged at the shaft end of the connecting pillar and on the side face of a tailstock; the rotating arm component comprises a rotating arm, a rotating shaft, a shaft sleeve and a big gear, and the shaft sleeve is fixed to the front side face of the digital controlled lathe tailstock; the rotating shaft penetrates through the shaft sleeve, the front end of the rotating shaft is fixedly connected with the rotating arm, the other end of the rotating shaft is fixedly connected with the big gear, and a hook part capable of being clamped into the ring slot is arranged at the front end of the rotating arm; the driving component comprises a rack, a cylinder, an electromagnetic directional valve, a rack guiding groove, a reset switch and a controller, the controller is installed in a machine tool power distribution cabinet and electrically connected with a digital control system and the electromagnetic directional valve, and the reset switch is installed on the front side of a digital controlled lathe saddle and electrically connected with the controller.