65 results about "Line scanning" patented technology

The utility model belongs to the field of spectral imaging, provide a kind of split type rotating structure plant spectral imaging system, including main body frame, the upper crossbeam of main body frame top fixed mounting, the middle crossbeam of main body frame middle part fixed mounting, the lower crossbeam of main body frame bottom fixed mounting, several light sources are installed on middle crossbeam, the side fixed mounting of upper crossbeam is equipped with camera fixed support, detection camera is installed on camera fixed support, the inside of main body frame bottom is equipped with sliding plate, detection object placement subassembly is fixedly installed at the middle position of sliding plate top, the side fixed mounting of sliding plate top is equipped with electric cabinet;The utility model has simple structure, manufacture easily, cheap, easy to pack, transport and carry, firm and durable, easy maintenance and other characteristics, light source and sample placement position are more flexible, applicable to various optical cameras and spectral imaging instrument, such as the surface imaging spectral camera of various wave bands, line scanning spectral imaging instrument, single-point spectral spectrometer, Raman spectrometer etc.

The application provides a point melting forming method and system based on an electron beam heat source, and the method comprises the following steps: model slicing and path planning, adaptively slicing a three-dimensional model to obtain two-dimensional contour data of each layer section; point array processing, dividing a single layer section area into a contour point array and a filling point array, adaptively discretizing and sampling the contour point array based on curvature change, and generating a basic point array mode with regular arrangement for the filling point array; scanning sequence generation and optimization, converting the discretized point array into an ordered scanning instruction sequence, predicting thermal field evolution under different scanning sequences by establishing a thermal influence model, and iteratively optimizing the scanning sequence based on a multi-objective optimization algorithm; and layer-by-layer point melting forming, controlling electron beam point-by-point melting of metal powder according to the optimized point scanning sequence. The application replaces continuous line scanning with a discrete point melting mode, significantly reduces thermal accumulation and thermal stress, and improves the size accuracy and surface quality of the formed part.

The present application belongs to the technical field of industrial vision detection, and discloses a kind of copper foil adhesive tape bubble and pinhole defect multi-light source detection method;In the process of copper foil adhesive tape transmission, through the time division multiplexing illumination of coaxial light source and multi-azimuth oblique light source, combined with the line scanning acquisition technology of transmission speed synchronization to obtain multi-lighting mode image set.Process the image distortion caused by high-speed transmission using motion blur compensation technology, and execute local contrast anomaly detection on motion compensation image to extract candidate defect area.Through calculating radial morphological features and stereoscopic protrusion discrimination features, accurate discrimination of bubble and pinhole defects is realized.The present application has self-adaptive optimization capability, can dynamically adjust light source parameters and reacquire for the area with low discrimination confidence, and output defect position, type and severity level.The present application overcomes the influence of motion blur, improves the accuracy of defect classification, and provides accurate basis for production process parameter adjustment.

This invention provides a system and method for scanning the properties of micro-regions in solar cells. The system includes: a one-dimensional laser source configured to generate a one-dimensional line-scan laser; a sample stage for holding the solar cell sample to be tested; a precision displacement device configured to cause relative movement between the one-dimensional laser source and the sample stage, enabling the one-dimensional line-scan laser to scan the measured region of the solar cell sample, comprising multiple micro-regions, in a cross-scan manner; a micro-region property measurement unit configured to acquire property data of the scanned measured region; and an automatic control and data processing unit configured to collect the property data from the micro-region property measurement unit, extract property information at the perpendicular intersections of the cross-scans based on the property data, and determine the distribution of micro-region properties based on the property information at the perpendicular intersections. This reduces the number of steps required for micro-region scanning, shortens the scanning time, and reduces the number of sampling operations.

A system includes a memory device including a plurality of memory cells; and a processing device operatively coupled with the memory device. The processing device is configured to perform operations including: receiving a read command with respect to a set of memory cells of the plurality of memory cells of the memory device; identifying a first group, of a plurality of groups, associated with the set of memory cells, wherein each of the plurality of groups comprises one or more wordlines of the memory device, and wherein each of the plurality of groups has a respective read counter and a corresponding scan-trigger criterion; incrementing a first read counter associated with the first group; determining whether a first value of the first read counter satisfies a first scan-trigger criterion associated with the first read counter; and responsive to determining that the first value satisfies the first scan-trigger criterion, performing a data integrity scan with respect to wordlines of the first group.

The utility model relates to a kind of battery blue film appearance defect detection device, including external pull belt and AOI detection machine;External pull belt includes feeding butt joint pull belt, OK belt line, NG belt line, re-investment belt line and discharging butt joint pull belt;AOI detection machine is set to the side of OK belt line;AOI detection machine includes feeding handling module, bottom surface detection vision module, narrow surface detection vision module, large surface and top surface detection vision module, double-motor handling module, ring line detection module, rotating variable pitch module, OK discharging handling module and NG discharging handling module.The utility model uses deep learning, 2.5D line scanning imaging technology, annular detection module and automatic conveying system, solves the difficulty of bubble foreign matter detection and distinction that square battery package blue film process faces, can be connected to the good product flow channel of front package blue film equipment, and after sorting machine and Pack line process, realize the automation of square lithium battery package film post production line.

This invention relates to a method for determining the welding depth during laser welding using an optical coherence tomography (OCT) apparatus, the method comprising the steps of: – pointing a processing laser beam (11) onto a component (10) to create a keyhole (12); – coupling a measuring beam (15) into the beam path of the processing laser beam (11); – performing multiple line scans on the component (10) using the measuring beam (15) in the region of the keyhole (12), and detecting the reflection of the measuring beam (15) from the component (10) using an OCT apparatus. The light emitted is used to generate a superimposed height profile of the component (10) in the region of the keyhole (12); – Based on this height profile, the height of the component surface (10.1), the lateral position of the deepest point (16, 16', 16") of the keyhole (12) on the component (10), and the depth of the deepest point (16) of the keyhole (12) are determined; – Based on the difference between the height of the component surface (10.1) and the depth of the deepest point (16) of the keyhole (12), the keyhole depth (17) is calculated, and the welding depth is determined therefrom.

The application provides a disc area structure level determination method and device and electronic equipment. A first area containing a disc area is scanned line by line to obtain OCT volume data. A center point of the first area is taken as a center to star-type sample the OCT volume data to obtain a first number of first BScan two-dimensional section image data. An initial center point of the disc area is determined, and the OCT volume data is star-type sampled with the initial center point as the center to obtain a second number of second BScan two-dimensional section image data. The structure level of the disc area is determined. The OCT volume data is obtained in a line-by-line scanning manner, which ensures a high sampling rate. The sampled data is uniform and continuous. Star-type sampling is performed on the continuous data, which can avoid jumping and errors. In addition, the initial center point of the disc area is determined through star-type sampling, and then star-type sampling is performed with the initial center point as the center, which can obtain a more accurate disc area structure level.

The utility model relates to CCD visual scanning technology field, concretely is a kind of CCD visual scanning equipment, including organism, the foot cup is equipped in the organism bottom, the foot cup is equipped with several, the working platform is equipped in the organism top, scanning machine module is equipped on the working platform, scanning machine module setting includes substrate, double Y direction sliding base, double Y direction screw rod, Y direction servo motor, scanning device, X direction servo motor, X direction sliding base, Z direction screw rod, Z direction motor and point gum device, a kind of CCD visual scanning machine of the utility model, through the photographing range and focal length height of line scanning camera setting, equipment will automatically move X axis, Y axis, C axis to the product in range and carry out photographing identification, after setting C axis scanning camera height, photographing identification is completed, and product model and point gum track are set on software, after setting is completed, start, equipment will automatically move X axis, Y axis, C axis moves to the point gum track set and starts point gum valve to complete point gum technology.

The application discloses an ultrasonic imaging system for accurately collecting heart sections in any body position, which comprises a plurality of two-dimensional ultrasonic arrays randomly distributed in space, a multichannel ultrasonic signal collecting module and a three-dimensional ultrasonic imaging module; the plurality of two-dimensional ultrasonic arrays, the multichannel ultrasonic signal collecting module and the three-dimensional ultrasonic imaging module are sequentially connected; wherein the plurality of two-dimensional ultrasonic arrays comprises a plurality of ultrasonic transducer arrays forming sub-area line scanning or sub-area surface scanning or cross surface scanning; the application provides doctors with more detailed images, which is helpful for more accurately positioning and evaluating lesions; can solve the problems of difficulty in collecting correct imaging sections, imaging section changes in motion and the like in wearable ultrasonic heart imaging; is not only suitable for the heart, but also suitable for the brain, the liver, the kidney, the urinary bladder, the abdominal aorta, the inferior vena cava and the like human tissues and parts.

An imaging system for imaging a biological sample or another sample containing fluorescent molecules may include an optical system with a light source emitting light, wherein the light is directed by the optical system to the sample via at least one plane being conjugate to the image plane. The optical source may have an extended radiation pattern, in other words, the radiation beam may have an extent in the x- and y- planes, rather than a point source. The extent of the illumination region in x and y may be based on and matched to the detector area onto which the radiation may be imaged, preferably a TDI detector. This novel system may include genomics, proteomics and transcriptomics work flows.

This utility model discloses a dual-station 3D line scanning measuring instrument, comprising a test platform and a gantry frame fixed to both sides of the test platform. The test platform has two workpiece placement plates for placing workpieces to be inspected. Each workpiece placement plate is correspondingly equipped with a first moving module, which is drively connected to the workpiece placement plate and drives it to move in the front-back direction. A probe for 3D line scanning is mounted on the gantry frame. A second moving module connects the probe to the gantry frame to drive the probe to move in the left-right direction, and a third moving module connects the probe to the second moving module to drive the probe to move in the up-down direction. One end of the probe is connected to the third moving module via a mounting plate. The mounting plate has a slot, and the probe has a protrusion for inserting into the slot. Magnetic blocks are provided on the contact surfaces of the two for magnetic attraction. The probe is locked by a locking member inserted from the outside of the mounting plate. This measuring instrument can eliminate station idle time, increase the effective working time of the probe, and the probe is easy to assemble and replace.

This utility model relates to the technical field of automated production lines, and in particular to an automated device for automatically detecting pins and assembling circuit boards, comprising: a feeding platform, a conveying device, a gripping device, and a detection device; wherein, the detection device includes a U-shaped frame spanning both sides of the conveying device, a transverse moving module mounted on the top of the U-shaped frame, a vertical moving module mounted on the drive end of the transverse moving module, and a line scanning module mounted on the drive end of the vertical moving module. The line scanning module performs three-dimensional measurement of the PIN pins within the housing stopped at the detection station. In summary, the high-precision line scanning module accurately detects the position and state of the PIN pins, and, in conjunction with a SCARA robot and special gripper components, achieves efficient gripping and assembly; the gripper and the bottom recognition module work together to ensure assembly accuracy, and the rational design of each module improves the versatility and stability of the equipment, significantly improving production efficiency and product quality.

The application discloses an antenna scanning period estimation method and device based on amplitude feature analysis. Firstly, the sliding window mean amplitude peak value is calculated, and the corresponding peak time is obtained. Then, the peak duration containing the peak time is obtained. Whether the pulse amplitude difference and the pulse number meet the first preset threshold is judged. If yes, the amplitudes corresponding to the pulses in the peak duration are set to zero. The above steps are executed. Through the main lobe query condition combined with the initial signal main lobe, multiple signal main lobes are determined. If the number of the signal main lobes is not less than the second preset threshold, the peak times of the signal main lobes are incrementally sorted to obtain a main lobe peak time sequence. The antenna scanning period is determined according to the main lobe peak time sequence. The problems that the antenna scanning period is not accurate in the prior art and the time consumption is too long in the related method are overcome, and the accurate estimation of the signal antenna scanning period is realized.

The application provides a light spot center positioning method and a positioning system. The method is applied to a controller in a light spot center positioning system, and the positioning system further comprises a first optical energy sensor, a second optical energy sensor, a workbench and a light source. The method comprises the following steps: controlling the workbench to move in a spiral manner; determining whether the first optical energy sensor has entered a target range of a light spot according to a light intensity ratio of a corresponding position of each step; if yes, recording a first position where the first optical energy sensor is located and controlling the workbench to stop moving; taking the first position as a starting point, controlling the workbench to perform line scanning along a coordinate axis direction of a plane where the workbench is located, and determining an edge position of the light spot according to a light intensity ratio in the line scanning process; and positioning the center of the light spot according to the edge position of the light spot. In this way, the light spot center can be quickly and accurately positioned automatically under the starting working condition of any direction and position.

Embodiments of the present application provide a linear scanning CT imaging system and an imaging method. The linear scanning CT imaging system comprises a first support frame and a second support frame, a first conveying device mounted on the first support frame, comprising a first driving mechanism, a first conveying mechanism and a first linear scanning section, the first driving mechanism driving the first conveying mechanism to move along the first linear scanning section, a second conveying device mounted on the second support frame, comprising a second driving mechanism, a second conveying mechanism and a second linear scanning section, the second driving mechanism driving the second conveying mechanism to move along the second linear scanning section, at least one bearing seat carrying at least one scanning object, capable of being driven by the first conveying mechanism or the second conveying mechanism to move, a plurality of sets of scanning devices, each set of scanning devices comprising at least one ray source and at least one detector, and an imaging device for generating a computed tomography image of the scanning object according to a plurality of projection data detected by each detector.

The application discloses a shift register, which comprises at least one shift register unit, and the shift register unit comprises: a reset unit, two signal input ends of the reset unit are respectively used for inputting a set signal and a reset signal, and the reset unit is used for determining the level of an output enable signal according to the set signal and the reset signal; a current stage signal generating unit, the current stage signal generating unit is used for inputting a first clock signal and the set signal respectively, and the current stage signal generating unit is used for triggering the level of a scanning signal output end to follow the level of the first clock signal during the enable signal being an invalid level based on the effective level of the set signal; and a first maintaining unit, the first maintaining unit is connected between the scanning signal output end and a first level, and the control end of the first maintaining unit inputs the enable signal, and the first maintaining unit is used for resetting the potential of the scanning signal output end to the first level at least when the input enable signal is an effective level. Since the multiple-pulse line scanning signal realizes multiple programming and compensation, the display effect of a display panel driven by the shift register is improved. The application further provides a gate driving circuit and an active display.

The application discloses a kind of based on gray extremum analysis consolidated abrasive tool surface quality detection method, method includes image acquisition and pre-processing, candidate area positioning and feature point extraction, target area boundary adaptive extraction, region screening and gray difference calculation, particle gray and spatial distribution feature quantization five main steps.Through line scanning camera, surface brightness chart and depth chart are collected, after gray enhancement and filtering pretreatment, local extreme point is extracted as candidate area by line scanning, and target boundary is adaptively generated in combination with cross neighborhood gray contrast and gradient chart dynamic threshold criterion;Effective area is screened by morphological operation and area constraint again, and gray difference is calculated to represent particle height;Finally, multidimensional quantitative evaluation is realized through gray difference histogram, protruding height statistics, nearest neighbor distance analysis and grid uniformity measurement.The application has high sensitivity, high robustness and strong adaptability, and can be embedded in industrial production line to realize automatic, non-contact and high-precision surface quality detection.

A lithium secondary battery according to the present disclosure includes a cathode and an anode disposed opposite to the cathode. The cathode has a gliding step height of 20 nm or less. The gliding step height is defined as the distance between a pair of parallel lines having a non-zero slope that can include at least two mountain-like shapes observed in a line scan graph obtained using an atomic force microscope (AFM) of the cathode surface after 500 charge-discharge cycles in a fully discharged state.

This invention discloses a three-dimensional resistivity imaging probe and system for ultra-deep directional boreholes, belonging to the field of engineering exploration technology. The downhole probe adopts an inner-lined scanning structure with longitudinal grooves on its outer shell surface. A probe array is installed within the grooves, and the exposed ends of the probes are radially scattering, forming inner-lined contact with the borehole wall. The probe integrates an attitude measurement and probe extension module, a power supply module, and a data storage and transmission module. The system includes a ground control and processing unit, a cable transmission unit, and the downhole probe itself. An excitation electric field is generated by the power supply electrodes, and the probe array collects borehole wall voltage and current data. Combined with a three-dimensional resistivity imaging model and image reconstruction algorithm, an image of the circumferential cylindrical resistivity distribution of the borehole is generated. This invention achieves in-situ, high-precision three-dimensional resistivity imaging of boreholes, accurately identifying the spatial distribution of faults, fissures, and weak interlayers around the borehole, providing reliable technical support for risk identification and assessment in deep earth engineering.

The application discloses an intelligent automobile outer decoration lamp screen, which comprises a data distribution board, an LED driving board and an LED lamp board. The data distribution board is connected with a plurality of LED driving boards through an SPI distribution circuit. The LED driving board is connected with the LED lamp board through an RGB data communication circuit and a line scanning communication circuit. The LED lamp board comprises an LED cathode driving chip, an LED anode driving chip and an array LED lamp group. The RGB data communication circuit is connected with the array LED lamp group through the LED cathode driving chip. The line scanning communication circuit is connected with the array LED lamp group through the LED anode driving chip. The application can be assembled in a split mode according to actual use requirements, and diversified LED light display effects can be realized.

The present application belongs to the technical field of printed circuit board manufacturing quality detection, and particularly relates to a PCB hole defect detection method based on 2D line scanning and 3D-X ray fusion. The method drives the to-be-detected PCB board to perform 2D line scanning through a motion platform, obtains the whole-board 2D image and the physical coordinates of each hole site, extracts the hole ring profile matching degree, the hole inner gray scale statistical features and the hole diameter deviation, and determines the to-be-reviewed hole. According to the physical coordinates, the projection image is collected, 3D data is reconstructed after beam hardening correction and material weighted iteration correction, 2D image and 3D data are registered based on the unified coordinates, the material level is distinguished through gray scale-attenuation coefficient conversion, the adaptive threshold edge detection is performed on the hole wall development, the internal defects such as hole wall cracks and copper plating cavities are extracted, the defect classification and quantization are completed by fusing the 2D surface defect attributes and 3D internal defect attributes, the detection result and quality evaluation report are output, and nondestructive detection of the hole site is realized.

Detection system (10) for conveyor belt temperature abnormalities, comprising: an infrared line scanner (12) comprising one or more infrared detectors and arranged to scan the surface of a conveyor belt (16) in a direction perpendicular to the direction of movement of the conveyor belt (16) and to generate thermal imaging data depending on infrared radiation detected by the infrared detector; a processing unit (14) configured to process the thermal imaging data in order to identify temperature abnormalities in the material moving on the surface of the conveyor belt (16), and a two-dimensional arrangement of infrared detectors arranged to receive infrared radiation from the surface of the conveyor belt (16) and to generate thermal imaging data depending on the received infrared radiation; and wherein the processing unit (14) is further configured to process the thermal imaging data in order to identify temperature abnormalities in the material moving on the surface of the conveyor belt (16).

The application relates to the field of high-power fiber lasers, and particularly discloses a femtosecond laser preparation method of a pump light recycling grating and a spectrum measuring device. The preparation method takes a double-clad fiber as a substrate, adopts femtosecond laser to be focused in the inner cladding through a coating layer, writes a fiber Bragg grating through a multi-layer line scanning technology, prepares a uniform grating or a chirped grating, and flexibly controls a grating modulation area by adjusting parameters. The spectrum measuring device is composed of an ASE broadband light source, a multimode fiber coupler, a multimode fiber matched with the inner cladding diameter and a double spectrometer, and realizes real-time and accurate measurement of the transmission and reflection spectrum of the inner cladding grating. The application solves the problems of low coupling efficiency, poor reliability and difficulty in reflecting specific wavelengths in the traditional pump light recycling technology, the prepared grating is uniform in modulation, the pump light reflection effect is good, residual pump light can be recycled efficiently, and the system efficiency and integration level of the high-power fiber laser are significantly improved.

The application discloses a kind of H-shaped steel web polishing device and method thereof, the H-shaped steel web polishing device includes 3D line scanning camera, 3D line scanning camera is connected on robot flange by camera mounting plate, to carry out visual scanning to H-shaped steel and guide robot operation trajectory;Robot flange is connected with quick-change main disc, when first polishing assembly is connected on quick-change main disc, to carry out grinding to the root end surface of H-shaped steel web and the chamfer region of web root and flange junction;When second polishing assembly is connected on quick-change main disc, to carry out grinding to the transition region of H-shaped steel web root.The H-shaped steel web polishing device provided by the application realizes the automatic identification and accurate positioning of H-shaped steel web root feature by the cooperative working mode of 3D line scanning camera and robot, cooperates force actuator, ensures the accurate control of force in polishing process, avoids the risk of overcutting injury and base material, reduces tool replacement time, eliminates the hazards in manual polishing environment.

This invention discloses a method and apparatus for text recognition and drug name extraction on medicine bottle labels based on line scanning imaging. The apparatus includes: a rotating stage for carrying and rotating the medicine bottle; a line scanning camera that acquires line-by-line image data at a constant line frequency while the medicine bottle rotates; an image stitching unit that stitches the line-by-line images in real time according to encoder signals to generate a cylindrical unfolded image, eliminating surface distortion at the hardware level; a text recognition unit that performs OCR text detection and recognition on the unfolded image and outputs a fully preserved text sequence; and a semantic parsing unit that uses a pre-trained large language model to perform semantic-level error correction on the text sequence and extracts the generic name, brand name, and specifications of the drug. This invention actively eliminates distortion and reflection interference through line scanning imaging and achieves semantic-level text understanding by combining a large language model, significantly improving the accuracy and robustness of drug name extraction. It is suitable for automated finished product verification scenarios of cylindrical medicine bottles.

An imaging system for imaging a biological sample or another sample containing fluorescent molecules may include an optical system with a light source emitting light, wherein the light is directed by the optical system to the sample via at least one plane being conjugate to the image plane. The optical source may have an extended radiation pattern, in other words, the radiation beam may have an extent in the x- and y- planes, rather than a point source. The extent of the illumination region in x and y may be based on and matched to the detector area onto which the radiation may be imaged, preferably a TDI detector. This novel system may include genomics, proteomics and transcriptomics work flows.

1. The name of the design product: the text scanning graphical user interface of the dictionary pen. 2. The use of the design product: a query translation device for scanning input, photographing, voice input, touch screen display, etc. Intelligent identification. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for the user to select single or multi-line scanning function for text scanning, to realize scanning teaching material content, scanning query translation function and scanning question answering function respectively. The gray area in the view is the actual display content picture.

The present application relates to the field of image processing and machine vision technology, and discloses a surface defect detection method and device.The method comprises the following steps: providing a line scanning camera and a plurality of spherical integral light sources, different spherical integral light sources having different fixed illumination directions; moving a to-be-detected object at a preset speed and trajectory, and in the moving process of the to-be-detected object, controlling all spherical integral light sources to illuminate at intervals, and continuously shooting the to-be-detected object by the line scanning camera to obtain an image of the to-be-detected object; splitting the image of the to-be-detected object into sub-images consistent with the number of spherical integral light sources; reconstructing an average curvature image of the to-be-detected object; performing image conversion on the average curvature image to obtain an enhanced image; training a target detection model, and using the target detection model to detect surface defects; the present application uses a plurality of spherical integral light sources in combination with a line scanning camera to effectively ensure image quality, and the light source openings of the spherical integral light sources are arranged in the form of thin strips, which can reduce the shadow problem existing in the image.