31results about How to "Guaranteed image" patented technology

The invention provides a large-visual-field magnetic resonance scanning image reconstruction method and device based on deep learning, and the method comprises the steps: obtaining a large-visual-field magnetic resonance scanning image which is an under-sampled scanning image; inputting the magnetic resonance scanning image into a pre-constructed deep neural network model; and reconstructing the magnetic resonance scanning image through the deep neural network model to obtain a high-resolution image corresponding to the under-sampled scanning image. By utilizing the technical scheme provided by the embodiment of the invention, the problem that the spatial resolution of the image is reduced due to the increase of the FOV after the selection of the scanning matrix in the conventional magnetic resonance scanning is solved, and a high-resolution image can be reconstructed in a relatively short time by utilizing a deep learning method on the premise of ensuring the large-view scanning imaging.

The invention relates to a camera shooting type multi-target locating method and device based on image rectification and belongs to multi-target locating methods and devices. The camera shooting type multi-target locating device comprises a locating platform, a control circuit board and a master controller. Cameras obtain target information on the surfaces of screens, the primary optical axis of each camera is automatically determined according to the imaging starting position of the camera, and then the imaging positions of targets in the cameras are extracted. The imaging positions are corrected through the distortion correction method based on equivalent faces. The cameras are grouped, and multi-target locating is achieved through the optical intersection measuring locating algorithm. The camera shooting type multi-target locating method and device based on image rectification has the advantages that the structure of the device is simple, reliability is high, lens distortion does not need complicated calibration and correction, extension is easy, and the locating precision is high.

A marble polished ceramic tile and a production method thereof belong to the field of building ceramics and are characterized in that a ground coat layer of the ceramic tile includes a cover coat layer, an ink layer and a printed glaze layer sequentially from top to bottom, and the printed glaze layer has marble grain; the printed glaze layer includes the elements according to percent: 55-65% of silicon, 4-10% of aluminum, 10-15% of calcium, 0.5-2% of magnesium, 3-6% of potassium, 5-10% of zinc, 2-5% of boron, 0.-0.5% of sodium, and 0-3% of barium. In the production method, secondary firing technique is used and specific glazing quantity is controlled. The crystal structure of the printed glaze layer enables the printed glaze layer of the ceramic tile to display the grain of natural marble after being fired, and as long as the printed glaze layer is not thoroughly abraded regardless of how the ceramic tile is abraded, the visual effect of marble grain remains.

The invention provides a tension adjusting device for a belt, which comprises a drive wheel, a driven wheel, the belt, a base, a base frame, a spring and an elasticity control mechanism, wherein the drive wheel is driven by a motor to rotate; the belt is sleeved between the drive wheel and the driven wheel; the base frame is used for supporting the driven wheel and is arranged on the base, and can move on the base; the spring is used for adjusting the tension of the belt; and the elasticity control mechanism is used for selectively releasing or accumulating the elasticity of the spring and regulating the distance between the driven wheel and the drive wheel. The base frame and a position wheel of the driven wheel are locked at proper positions through rigid trips on the base frame and elastic chucks that are matched with the rigid trips and are arranged on the base so that the belt is installed, a pressing piece is pressed after the belt is installed, the elastic chucks separate from the rigid trips, and the belt is tightened. When the belt is dismounted, the base frame is pushed, the elastic chucks are buckled with the rigid trips, the distance between the drive wheel and the driven wheel is shortened, therefore, the belt can be conveniently dismounted. The displacement of the belt is the same as the combination of the dismounting and the mounting of the belt.

The invention discloses a tri-propellant infrared total internal reflection (TIR) prism for infrared target simulators. The tri-propellant infrared TIR prism is composed of three prisms. On / off state of a DMD is modulated by making full use of total reflection of light when light enters an optically thinner medium from an optically thicker medium and by precisely calculating the dip angles of bevel edges of the prisms. By selecting different infrared materials, the tri-propellant infrared TIR prism can be used in optical engines of infrared target simulators of which the operating band is 3-5micron medium-wave infrared band and optical engines of infrared target simulators of which the operating band is 8-12micron long-wave infrared band.

The invention discloses a high-resolution integrated imaging double-vision 3D display device and method based on micro lenses. The device comprises a display screen, a polarization array, a pinhole array, a micro lens array, polarized glasses 1 and polarized glasses 2; the polarization array is attached to the display screen, and the pinhole array is attached to the micro lens array; the display screen, the polarization array, the pinhole array and the micro lens array are placed in parallel and are correspondingly aligned; image elements 1 reconstruct a plurality of 3D images 1 through a plurality of corresponding micro lenses, and the plurality of 3D images 1 are merged into a high-resolution 3D image 1 in a viewing area and can only be seen through the polarized glasses 1; and image elements 2 reconstructs a plurality of 3D images 2 through a plurality of corresponding micro lenses, and the plurality of 3D images 2 are merged into a high-resolution 3D image 2 in the viewing area andcan only be seen through the polarized glasses 2.

The invention relates to an aptamer modified core-shell type composite material and a preparation method and application thereof. The aptamer modified core-shell type composite material comprises a gold nanoparticle core, a metal-organic framework shell and an aptamer, wherein gold nanoparticles are cladded in the metal-organic framework shell; the aptamer is grafted on the surface of the metal-organic framework shell; a metal-organic framework is a metal-organic framework made through coordination assembly on copper and trimesic acid; the aptamer is an anti-lung cancer cell A549 aptamer; and the base sequence of the anti-lung cancer cell A549 aptamer is 5'-NH2-(CH2)6-GGTTGCATGCCGTGGGGAGGGGGGTGGGTTTTATAGCGTACTCAG-3'. The aptamer modified core-shell type composite material provided by the invention has three functions of SERS (Surface Enhanced Raman Scattering) imaging, photothermal therapy and drug therapy at the same time, and can effectively realize coordinating functions of diagnosis and treatment.

The invention relates to the detection equipment field, and specifically relates to a detection device and system; the detection device comprises a detection table used for placing a tested object, an imaging assembly used for imaging the tested object, and a slide assembly enabling the detection table to respectively slide along the X-shaft and Y-shaft; the imaging assembly is arranged above the detection table, and can get close to or get away from the detection table; the slide assembly is connected with the detection table in a slide manner. The detection device uses the slide assembly to move the detection table without moving the lens, thus ensuring the imaging quality, and reducing the requirements by the detection device on the lens.

An optical assembly to be mounted on a microscope for measuring micro-structures is provided, which images a first object image (7) onto a second object image (8) lying above the optical assembly and in this way shifts the object image at a standardized interface for a camera (12), as well as the interface for the camera itself, upwards. The optical assembly permits a stroboscope lamp (6) to be coupled into the incident beam path of the microscope over a beam splitter (5) without requiring any structural modifications to the microscope. Instead, the optical assembly according to the invention is simply mounted on the C-mount of the microscope. The invention enables the use of stroboscope lamps in commercially available microscopes, which otherwise are not suitable for stroboscopic examinations.

The invention discloses a decontaminating type spectrum underground camera device. The invention relates to the technical field of underground camera devices, and discloses a shell body, the bottom of the shell body is fixedly connected with a lens protection shell, the circumferential outer wall of the lens protection shell is provided with a plurality of oil stain discharge ports, and the bottom of the circumferential inner wall of the shell body is fixedly connected with a mounting cover. The circumferential inner wall of the mounting cover is fixedly connected with two mounting plates, the bottom of one mounting plate is fixedly connected with a rotating motor, one end of an output shaft of the rotating motor is fixedly connected with a driving bevel gear, and an infrared optical imager is clamped in the other mounting plate. According to the invention, oil stains on the lens can be removed, the accuracy of a test result is improved, the normal imaging of the device is ensured, images of the whole underground well circumference can be transmitted in real time, and therefore, an operator can visually and clearly observe the underground abnormal conditions of corrosion, damage, dislocation, scaling, water outlet points, sand outlet points and the like of the inner walls of the underground oil pipe and the casing pipe on the ground upper computer.

The invention relates to a camera-type multi-target positioning method and device based on image correction, which belongs to the multi-target positioning method and device. Including the positioning platform, the control circuit board and the main controller, the camera obtains the target information on the screen surface, automatically determines the main optical axis position of the camera according to the initial imaging position of the camera, and then extracts the imaging position of the target in the camera, using the equivalent The imaging position is corrected by the surface distortion correction method, and multi-target positioning is realized by using the optical intersection measurement positioning algorithm through camera grouping. The advantages are: simple structure of the device, strong reliability, no complex calibration and correction for lens distortion, easy expansion, and high positioning accuracy.

The invention discloses a display panel and a display device, wherein the display panel comprises a first display region and a second display region, and the second display region at least partially surrounds the first display region; the display panel also comprises a flexible substrate, a plurality of first sub-pixels located on one side of the flexible substrate and located in the first displayarea, and a plurality of second sub-pixels located on one side of the flexible substrate and located in the second display area. The display panel further comprises a pixel defining layer, wherein anopening of the pixel defining layer in the first display area defines a first sub-pixel, and a non-opening area of the pixel defining layer in the first display area is a non-light-emitting area; a color resistance compensation layer, wherein the colors of the color resistance compensation layer and the flexible substrate are different, and external ambient light forms white light after passing through the color resistance compensation layer and the flexible substrate, the vertical projection of the color resistance compensation layer on the plane where the flexible substrate is located and the vertical projection of the non-light-emitting area on the flexible substrate are at least partially overlapped, light transmittance compensation is conducted through the color resistance compensation layer, and the color cast phenomenon is reduced.

The invention discloses an identification method, device and equipment for an effective scanning range of a CT scanning bed and a storage medium. The identification method comprises the steps that thesimulated operation of the scanning bed is carried out through a plurality of different groups of scanning parameters in different scanning modes, and a scanning bed image is formed under each groupof scanning parameters; a plurality of scanning bed images formed under a plurality of groups of simulation parameters are obtained; imaging data of each scanning bed image is correspondingly determined according to all the scanning bed images, each scanning bed image corresponds to a group of imaging data, and each group of imaging data comprises a bed starting point, a bed end point and a scanning length; and the multiple groups of imaging data are compared, a group of imaging data with the smallest scanning length in each group of imaging data is determined, and the position of the CT scanning bed is marked according to the bed starting point and the bed end point in the group of imaging data. According to the identification method for the effective scanning range CT of the CT scanningbed, the scanned effective scanning range can be marked, the scanning efficiency can be improved, and medical resources are fully utilized; and meanwhile, the problem of repeated scanning radiation ofa patient is solved.

The invention relates to a macromolecular potassium ion fluorescent probe as well as a preparation method and application thereof. The probe is a ratio type macromolecular potassium ion fluorescent probe based on a water-soluble macromolecular skeleton, has a structure as shown in P1 and is prepared by the steps of performing active free radical polymerization reaction to obtain macromolecular OEG-1 which is completely water soluble, performing esterification reaction on carboxyl in a macromolecular skeleton and hydroxyl in a micromolecular potassium ion probe KS-23 and grafting a potassium ion sensor KS-23 on the water-soluble macromolecular skeleton to obtain the ratio type macromolecular potassium ion fluorescent probe P1 based on the water-soluble macromolecular skeleton. Compared withthe micromolecular potassium ion KS-23, the water solubility and the biocompatibility of the P1 are improved, the potassium ion selectivity is high, the potassium ion detection range is between 1 and200 mM, the potassium ion concentration is expected to be subjected to quantitative analysis through peak ratio, and the requirement on intracellular potassium ion quantitative detection is met.

The invention discloses an asg glue stop and glue volume control support structure. The support structure comprises two supports arranged symmetrically. The front end of each support is provided witha plurality of slots allowing tungsten plates to be clamped into. The upper end face and the lower end face of each support are provided with a groove I and a groove II correspondingly, and the grooveI and the groove II communicate with the slots. Through the asg glue stop and glue volume control support structure, during gluing, glue just needs to be filled up into the grooves and then can naturally flow into the slots from the top. The support structure is easy to operate and high in efficiency.

The invention aims to provide a multi-channel ultra-wideband multi-frequency array ground penetrating radar control system. The multi-channel ultra-wideband multi-frequency array ground penetrating radar control system comprises a multi-frequency antenna array module used for receiving and transmitting multi-frequency radar detection pulses, an antenna array time base control module used for controlling a multi-frequency antenna array, a data acquisition and preprocessing module, a data imaging processing module and a power management module. The system adopts the design of multiple antenna arrays with different frequencies, the antenna density is large, the integration degree is high, large-area area scanning can be efficiently carried out, structure detection of different depths can be completed at the same time, the detection speed is high, the data acquisition efficiency is high, the measuring line interval is uniform, the profile data consistency is good, and the imaging and detection effects can be fully guaranteed. The invention further provides a control method of the multi-channel ultra-wideband multi-frequency array ground penetrating radar control system.

The invention discloses an embedded truck four-way monitor embedded into a center console according to an original truck proportional structure, which comprises a host and a camera, the camera is in communication connection with the host, and the camera is coated with a protection module; the host comprises a processor module, a flash memory module, a memory module, a storage module, an audio module, a display screen module and an interface module, and the flash memory module, the memory module, the storage module, the audio module, the display screen module and the interface module are respectively connected with the processor module. According to the invention, the two sides of the transparent covering film are sealed with the edge of the side wall of the shell by arranging the transparent covering film and cooperating with the sealing mechanism, so that muddy water is effectively isolated, erosion of the muddy water to the camera is avoided, the service life of the camera is prolonged, and the two ends of the transparent covering film can be compressed and sealed to the greatest extent by cooperating with the compression roller mechanism; therefore, the sealing effect on the camera is further improved, and muddy water erosion is reduced.

The invention discloses a calibration tray used for seed selection, and belongs to the technical field of seed selection. The calibration tray used for seed selection is used for solving problems in the prior art that two times of shooting are needed in seed selection process, shooting of a calibration object is carried out for the first time, and shooting is carried out for a second time after loading of seeds, and measuring error may be caused in the process of the two times of shooting because of the change of the relative positions of a camera and a tray. The calibration tray used for seedselection comprises a tray main body; a cavity used for storing seeds is arranged in the tray main body; the bottom of the cavity is designed to be the horizontal plane; a plurality of calibrating blocks are arranged in the cavity; the external side wall of the tray main body is provided with convex edges; one end of each convex edge far away from the tray main body is provided with a chamfer; the tray main body is prepared from a light transmission material; and the calibrating blocks are prepared from a lightproof material.

The invention relates to the field of intelligent technology computer vision, in particular to a small target ship identification method and device, and electronic equipment. The method comprises thesteps of obtaining ship data; performing image amplification preprocessing according to the ship data to obtain a preprocessed ship image; inputting the training ship image into a target detection identification network to construct a small target ship identification model; and inputting a verification ship image into the constructed small target ship identification model for detection, and outputting a small target ship identification result. Through processing preprocessing an acquired ship data set to extract a small target data image, the small target data image is amplified; and the screened small target images is recognized by using a learning network, a recognition model is obtained by using an iterative learning network, and ship image data are input into the trained recognition model to obtain recognized small target ship images. Therefore, the problem that the ship characteristics are not obvious and cannot be recognized due to the fact that the ship is displayed too small inthe camera or a fishing boat is too small when sailing from a distant place is solved.

The invention relates to a thermal infrared imager correction method which comprises the following steps: detector swing range correction, shutter disc and shot temperature sensor correction, shutter disc temperature model correction, shot temperature model correction, shot and detector focal plane attenuation coefficient correction, and temperature curve fitting and dynamic adjusting thermal infrared imager dynamic range correction. The thermal infrared imager correction method is adopted to separately correct a lens cone, a shutter and a detector, the universality of all components of the thermal infrared imager can be ensured, the components invalidation problem can be ensured to be solved on the spot, the components are not required to return to a factory, great convenience can be provided to customers, and meanwhile, the accuracy of the thermal imager is improved greatly through dynamic adjustment of the thermal imager according to the temperature.

The invention discloses a method, device, equipment and storage medium for identifying an effective scanning range of a CT scanning bed, wherein the method comprises: in different scanning modes, simulating running a scanning bed with different groups of scanning parameters, and each group of scanning A scanning bed image is formed under the parameters; a plurality of scanning bed images formed under multiple sets of simulation parameters are obtained; the imaging data of each scanning bed image is determined according to all scanning bed images, each scanning bed image corresponds to a group of imaging data, and each The image data includes the bed start point, bed end point and scan length; compare multiple sets of imaging data to determine a group of imaging data with the smallest scan length in each group of imaging data. CT scan bed for location marking. According to the method for identifying the effective scanning range of the CT scanning bed of the present invention, the effective scanning range of the scanning can be marked, which is beneficial to improve the scanning efficiency, make full use of medical resources, and at the same time, avoid the problem of multiple scanning radiation for patients.

The invention discloses a power transmission line X-ray flaw detector with easy operation. The power transmission line X-ray flaw detector structurally comprises a power supply box, a cooling fin, a lifting bar, a threading head, a connection detecting box and an alarm sign, wherein the alarm sign is in glued connection with the center of the right side surface of the detecting box, the threadinghead is in vertical threaded connection with the left and right ends of the connection detecting box, and thereby, by screwing a threaded ring onto a magnetic rod and sucking the magnetic rod througha powerful magnetic sheet, wire operators can erect devices on a wire through a connecting channel by lifting the magnetic rod up only, and after installation, the magnetic rod can be screwed out to work. The scheme of the invention can be used by all the maintenance personnel with low technical requirements, can be energized only after the wire contacts an inclusion ring, ensures that the wire isfixed to the designated position, ensures that each position can be imaged by making up a looping imaging head and the bottom head at the bottom, makes the overall imaging effect better, and has better detection effect on each position of the wire.

A marble polished ceramic tile and a production method thereof belong to the field of building ceramics and are characterized in that a ground coat layer of the ceramic tile includes a cover coat layer, an ink layer and a printed glaze layer sequentially from top to bottom, and the printed glaze layer has marble grain; the printed glaze layer includes the elements according to percent: 55-65% of silicon, 4-10% of aluminum, 10-15% of calcium, 0.5-2% of magnesium, 3-6% of potassium, 5-10% of zinc, 2-5% of boron, 0.-0.5% of sodium, and 0-3% of barium. In the production method, secondary firing technique is used and specific glazing quantity is controlled. The crystal structure of the printed glaze layer enables the printed glaze layer of the ceramic tile to display the grain of natural marble after being fired, and as long as the printed glaze layer is not thoroughly abraded regardless of how the ceramic tile is abraded, the visual effect of marble grain remains.

The invention relates to a sighting telescope with a wireless transmission function. The sighting telescope comprises a streamline structure, a shell with a sealed inner cavity, an infrared lens assembly, an infrared detector, a movement circuit assembly, an OLED display assembly and an eyepiece assembly, wherein the infrared lens assembly, the infrared detector, the movement circuit assembly, the OLED display assembly and the eyepiece assembly are arranged in the sealed inner cavity of the shell. The WIFI module is used for sending the encoded second infrared video to a rear-end device in a wireless mode, receiving a sighting telescope configuration parameter instruction sent by the rear-end device in a wireless mode and transmitting the sighting telescope configuration parameter instruction to the movement circuit assembly. The movement circuit assembly is further used for configuring the sighting telescope according to the sighting telescope configuration parameter instruction. According to the multifunctional sighting telescope, wireless transmission of pictures, videos, instructions and the like can be carried out, the functions of monitoring the front-end condition, video recording, video storage, movement control and the like are achieved, and the current requirements for the intellectualization and informatization capacity of the sighting telescope are met.

The invention discloses a protection device for a digital media playing device, which comprises a box body, a stand column, a mounting plate, a fixing hole, an opening and closing mechanism, a clamping mechanism, a sealing cover, a power line and a control switch.The opening and closing mechanism and the clamping mechanism are optimally arranged, and the driving motor is used as a power source; The driving gear enables the driven gear to drive the power gear to rotate, the power gear enables the special-shaped fluted disc to drive the gear column to rotate through the small gear, and thereforethe gear column drives the flower-shaped pieces to rotate mutually to achieve closing and opening, and a lens imaging position of the digital media playing device can be protected. A servo motor is used as a power source, a rotating gear drives a clamping rod to rotate through rotating fit of a threaded column in an inner threaded sleeve, then the digital media playing device can be rapidly clamped and fixed, and rapid adjustment can be carried out when the installation position of the digital media playing device deviates.

The heat sink type cryogenic biological sample platform consists of vacuum imaging cavity and thin-neck sample table inside the cavity. The sample table has table top with temperature sensor fixed in the top of the thin neck, molecular sieve installed in the channel of the lower large tablet top, insulating layer covering its surface, thin neck extending beyond the cavity, and low expansion thin wall alloy tube around it. The upper and lower ends of the thin wall alloy tube are welded respecrively to the table top and the vacuum imaging cavity cover plate. The platform has simple structure and low cost, and may be matched with common scanning probe microscope without need of expensive equipment and its working range may be expanded to lower temperature.

The present invention relates to a polymeric potassium ion fluorescent probe and its preparation method and application. The probe is a ratiometric polymeric potassium ion fluorescent probe based on a water-soluble polymer framework and has a structure shown in P1. The present invention adopts The fully water-soluble polymer OEG-1 was obtained by living radical polymerization, and then the potassium ion sensor KS-23 was grafted through the esterification reaction between the carboxyl group in the polymer backbone and the hydroxyl group in the small molecule potassium ion probe KS-23 On the water-soluble polymer backbone, the ratiometric potassium ion fluorescent probe P1 based on the water-soluble polymer backbone is obtained. Compared with the small molecule potassium ion KS-23, the water solubility and biocompatibility of P1 are improved, and the potassium ion The selectivity is high, and the detection range of potassium ions is between 1-200mM, and it is expected to perform quantitative analysis on the concentration of potassium ions through peak ratio, which meets the requirements of quantitative detection of intracellular potassium ions.