531results about How to "Inspection is accurate" patented technology

A method and device for displaying a three-dimensional view of the surface of a viewed object is disclosed, wherein a subset of the three-dimensional data from the entire image of the viewed object in a region of interest is determined and displayed to provide enhanced detail in the region of interest.

A pattern inspection method and apparatus are disclosed, the method has the steps of generating a reference digital image signal to be compared with a detection digital image signal detected continuously from the desired band-shaped inspection area on an object to be inspected, determining zero or one or more candidate , matching positions between the detection digital image signal and the reference digital image signal for each block unit area sequentially cut out and calculating a mass of candidate matching positions over the entire band-shaped inspection area, determining an accurate matching position between the detection digital image signal and the reference digital image signal for each block unit area based on the continuity of the block unit areas from the calculated mass of candidate matching positions over the entire band-shaped inspection area, and determining a defect by matching the positions based on the determined accurate matching position for each block unit area and comparing the images.

An image correction device for use in a pattern inspection apparatus is disclosed, which has automatic adaptability to variations in density of a pattern image of a workpiece being tested. The device is operable to identify a two-dimensional (2D) linear predictive model parameters from the pattern image of interest and determine the value of a total sum of these identified parameters. This value is then used to switch between a corrected pattern image due to the 2D linear prediction modeling and a corrected image that is interpolated by bicubic interpolation techniques. A pattern inspection method using the image correction technique is also disclosed.

The invention discloses a driver fatigue detecting system based on a smart mobile phone. A video colleting module (1) collects images of the face and the eyes of a driver. An image preprocessing module (2) removes image noise through the gray scale adjustment of the image pixel points. A face detecting and locating module (3) achieves face detection and locating based on image pixel nonlinear color transformation. A face following module (4) improves the speed of detection of the face area of the driver through the correlation between every two adjacent images. An eye detecting module (5) conducts binarization on the images based on the improved horizontal Sobel edge detection method. An eye feature parameter extracting module (6) extracts the pupil opening degree feature parameters. A fatigue judging module (7) judges whether the driver is fatigue when driving a vehicle based on the PERCLOS method. According to the driver fatigue detecting system based on the smart mobile phone, the face detection is rapid, efficient and accurate, the requirement for the resolution is low, a camera of an ordinary mobile phone can achieve image collection and detection, popularization and application are convenient, cost is low, and the accuracy is high.

The invention discloses a petrochemical plant inspection robot environment modeling and map building device and method. The device comprises an anti-explosion shell which internally comprises a mastercontrol cavity, a wiring cavity and a power supply cavity. The master control cavity is internally provided with an industrial personal computer, a differential GPS module, an inertia measurement module, a signal isolation safety barrier module, a communication module and a power supply conversion module. The wiring cavity is used for connection of all the power supply and communication cables. The power supply cavity is internally provided with a power supply module. The anti-explosion shell is externally provided with a visual module, a laser radar, a differential GPS module antenna and a mileage measurement module. The industrial personal computer implements high-precision positioning of automatic environment adaptation of the robot according to the acquired visual information, the laser radar information, the differential GPS information, the mileage information and the inertia information and builds the environmental model and the map of the plant based on the positioning result.The high-precision environmental model and map are acquired through the method of different attitude information of multiple types of sensors so that the environmental adaptability and the accuracy of the system can be enhanced and the system also meets the anti-explosion safety requirements.

A defect inspection apparatus for inspecting a defect of a substrate as an object to be inspected comprises an illumination optical system for illuminating the substrate, a receiving optical system for receiving diffracted light from the substrate and a polarizing element provided in either one of the illumination optical system or the receiving optical system.

A pattern inspection apparatus can be provided, for example, in a scanning electron microscope system. When patterns of a plurality of layers are included in a SEM image, the apparatus separates the patterns according to each layer by using design data of the plurality of layers corresponding to the patterns. Consequently, the apparatus can realize inspection with use of only the pattern of a target layer to be inspected, pattern inspection differently for different layers, or detection of a positional offset between the layers.

In the inspection apparatus of this projection optical system, a folding glass member, comprising a flat surface part and a reflecting spherical surface part opposing to the flat surface part, is disposed on the image plane side of the projection optical system so that the flat surface part opposes to the projection optical system. Further, in a state wherein a liquid is supplied between the projection optical system and the folding glass member, a measuring beam emitted from an interferometer unit enters the projection optical system; the measuring beam that transmitted through the projection optical system and the liquid, and entered the folding glass member is reflected by the reflecting spherical surface part, and once again passes through the liquid and the projection optical system; and the interference fringes obtained from the measuring beam and the reference beam generated within the interferometer unit are detected.

The invention discloses a method for examining the cycle performance of a lithium ion battery. The method includes the following steps: 1. placing plural types of lithium ion batteries which require examination to a preset cycle condition, then separately conducting charging and discharging cycle test operations with preset different cycle times; 2. after subjecting any type of lithium ion batteries to the charging and discharging cycle test operations with different cycle times, real-time implementing preset examination operations on any type of the lithium ion batteries, and recording the result of the examination; 3. based on the result of the examination of the plural types of lithium ion batteries, determining the lithium ion battery which has the best examination result as the lithium ion battery that has the best cycle performances, thus completing the examination of the cycle performances of the plural types of the lithium ion batteries. According to the invention, the method can examine the lithium ion batteries and the cycle performances of the materials inside the batteries, screens the lithium ion battery with the best cycle performances, noticeably increases the efficiency of examination, reduces the cost of examination, and promote mass manufacturing and application of the lithium ion batteries.

The invention is a high pressure pump, frame and housing assembly including a high pressure pump, electric motor, belt drive, metal frame, plastic housing and noise absorbing sheets that combine to suppress vibration, attenuate noise and allow viewing of the motorized pump assembly. The motorized pump produces a flow rate of at least 4 gpm at a pressure of at least 2,000 psi, while the assembly keeps the noise level at or below about 77 decibels. Vibrations are suppressed by the frame and housing which are formed by irregularly shaped and sized frame members, segments and panels. The housing panels combine with the porous noise attenuating sheets to form dead zones for absorbing noise. The sheets and dead zones are compactly arranged inside the frame segments. Two transparent panels form dual opposed windows for lighting and viewing the active internal components.

The invention discloses a handset casing testing apparatus and method based on computer vision. The apparatus comprises a high-definition camera, an auxiliary light source and an industrial control computer. The auxiliary light source illuminates the visual field range of the high-definition camera. The high-definition camera and the auxiliary light source are arranged on handset casing testing stations of a production line and can capture handset casing parts requiring precise tests. The industrial control computer is electrically connected with the high-definition camera and the auxiliary light source. The method comprises a camera calibrating step; an image acquisition step; an image processing step; and a test result outputting step. By adopting technologies based on image processing, the apparatus and method achieve that precise positioning and precise testing are effective ways for automated production. The computer vision technologies have the characteristics of non-contact measurement, relatively wide spectrum range and capabilities of working for long, etc. The technologies can be widely applied in the industrial field and used for rapidly and precisely testing product related indexes. A high speed is achieved. A low maintenance cost is further realized.

To inspect a status of an inspection object by using an inspection apparatus for extracting amount of characteristic to an inputted waveform signal and determining a status on the basis of the extracted amount of characteristic. Specifically, the inspection apparatus uses a normal knowledge that is generated on the basis of only the data of a normal status at an initial stage to determine whether or not the status of the inspection object complies with the normal status (S1, S2). The inspection apparatus generates an abnormal kind knowledge by abnormal kind on the basis of the data of an abnormal status that are collected in accordance with repeat of the determination (S3 to S6), and then, determines the status by using the normal knowledge and the abnormal kind knowledge (S7). If a defective product is eliminated due to change of design or the like, determining the status on the basis of a new normal knowledge, a mass production shifts to a stable period of mass production (S8 to S10).

An ankle-blood-pressure measuring apparatus for measuring a blood pressure of an ankle of a living subject, including an inflatable cuff which is adapted to be worn on the ankle of the subject; a cuff-pressure changing device which decreases a pressure in the cuff from a pressure higher than a systolic blood pressure of the ankle; a distal-pulse-wave detecting device which is adapted to be worn on a distal portion of the subject that is located on a distal side of the ankle and detects a distal pulse wave produced from the distal portion; an increasing-point detecting device for detecting at least one increasing point where a magnitude of the distal pulse wave continuously detected by the distal-pulse-wave detecting device when the pressure of the cuff is decreased by the cuff-pressure changing device, significantly increases; and an ankle-blood-pressure determining device which determines a pressure of the cuff when the increasing-point detecting device detects the second increasing point, as a systolic blood pressure of one of a plurality of tibial arteries of the ankle of the subject that has stenosis.

An inspection method includes photographing a measurement target to acquire image data for each pixel of the measurement target, acquiring height data for each pixel of the measurement target, acquiring visibility data for each pixel of the measurement target, multiplying the acquired image data by at least one of the height data and the visibility data for each pixel to produce a result value, and setting a terminal area by using the produced result value. Thus, the terminal area may be accurately determined.

An LCD module includes: an odd-numbered data terminal for applying an odd-numbered data signal to each odd-numbered set of data lines through a first N-type TFT and a demultiplexer at inspection; an even-numbered data terminal for applying an even-numbered data signal to each even-numbered set of data lines through a second N-type TFT and the demultiplexer at inspection; and a control terminal for applying a control signal to gates of the first and second N-type TFTs at inspection. It is therefore possible to reduce the number of terminals to be used at inspection, thereby achieving a inspection device at low cost.

A tablet inspecting device which can overcome counting and discrimination errors is provided. A medicine packaging envelope strip is formed by connecting in a strip shape multiple envelopes separated when a user takes tablets, and is imaged, thus counting the tablets. A conveyance passage along which the strip is conveyed in an associated longitudinal direction, conveyance mechanism, and gap forming part forming a gap between adjacent tablets, the conveyance passage including a horizontal passage, a first inclined passage with upward inclination extending from the horizontal passage, and a second inclined passage with downward inclination and an upper end spaced apart from an upper end of the first passage, the gap forming part including a rod body having projecting portions staggered throughout a peripheral surface thereof, being arranged at the space approximately orthogonal to the conveyance direction, and being rotatable about a center axis thereof, are provided.

Quantity of flux coated on fusible alloy of a thermal fuse disclosed can be inspected accurately by an image processing method. The thermal fuse comprises:(a) first insulation film 11 coupled with a pair of metal terminals 12; (b) fusible alloy 13 coupled between ends of the metal terminals 12, being placed above first insulation film 11; (c) flux 14 coated on fusible alloy 13; and(d) second insulation film 15 disposed on first insulation film 11 so that an internal space is formed, being placed above fusible alloy 13, wherein at least either of first insulation film 11 or second insulation film 15 is transparent or translucent, and flux 14 has the Gardner color scale from 4 to 16.

A power line foreign body detection method based on light convolutional neural network in low altitude aerial images belongs to the field of computer vision, and a real-time detection method for powerline foreign body in aerial images of unmanned aerial vehicles is studied. Firstly, a light power line detection model is constructed by using convolution neural network, and the depth characteristics of power lines in aerial images are calculated; then a multi-target power line foreign body detection model is constructed by using convolution neural network, and the prediction value of multi-scale targets is calculated by using depth features of convolution layers with different lengths and widths; finally, the power line detection model is used to filter the video frame without a power line,and the multi-target power line foreign body detection model is used to realize the real-time detection of power line foreign body in low-altitude aerial images on the video where a power line is detected.

Disclosed is a medicine pouch arranging device capable of uniformly spreading tablets of medicine packed in a medicine pouch, enabling inspection to determine whether a correct medicine has been packed in a series of medicine pouches which have been automatically packed on a per dose basis and successively discharged from an automatic medicine packing machine. The medicine pouch arranging device includes a transfer roller to transfer the medicine pouches, a guide plate to support the medicine pouches that are being transferred thereon, the guide plate having at least one opening, a vibrator to vibrate each of the medicine pouches that are being transferred on the guide plate by applying shock or vibration to the medicine pouch, and a sponge roller arranged above the guide plate to press each of the medicine pouches so that some vertically or obliquely erected tablets of medicine packed in the medicine pouch are laid flat.

The invention discloses a testing tool system for LNG ship liquid cargo compartment three-dimensional board CM nodes. The testing tool system comprises an inner clamping template and an outer clamping template. The inner clamping template is used for aligning the LNG ship liquid cargo compartment three-dimensional board CM node. The outer clamping template is used for verifying in a CM node verification stage after welding of the LNG ship liquid cargo compartment three-dimensional board CM node. The three-dimensional board comprises a transverse board, a vertical board and an oblique board. An included angle between the transverse board and the oblique board is alpha. A first reference line which is perpendicular with the transverse board is engraved on the transverse board. A second reference line which is perpendicular with the vertical board is engraved on the vertical board. According to the testing tool system, testing templates which matches the three-dimensional board are utilized. The testing templates comprise the inner clamping template for quick assembling and loading, thereby ensuring high precision and high stability in assembly. The testing templates further comprise the outer clamping template for after-welding verification. For ensuring high accuracy in final state measurement, the specialized outer clamping template is utilized, thereby truly testing the final deviation of each node.

A method of measuring occluded features in machine vision metrology. The method allows for high precision measurement of features that are partially obscured by an extraneous object (e.g., an overlay grid of a flat panel display screen mask). The method first roughly locates the edge points of the feature to measure. In one embodiment, the rough edge location is performed by using morphology filters to delete the extraneous object (e.g., the grid) and then doing edge detection on the filtered image. Once the rough edge locations are determined, the method then returns to the original unaltered image and for each of the roughly located edge points does edge detection in a close neighborhood of the point in the original unaltered image. These refined edge points are then used to fit the feature for highly precise measurements.

A method of inspecting a liquid crystal display panel includes providing a liquid crystal display panel to be inspected, turning on a backlight unit that is disposed under the liquid crystal display panel to emit light toward the liquid crystal panel, driving the liquid crystal display panel by applying test signals to the liquid crystal display panel on a predetermined period, detecting defects by taking an image of the liquid crystal display panel on a period shorter than the driving period of the liquid crystal display panel, and detecting defects created in the liquid crystal display panel, which blink in accordance with a period of the test signals of the liquid crystal display panel.

In a magnetic core type laminated inductor, magnetic gap layers are interposed between layers of conductive patterns, and the magnetic gap layers are formed separately on multiple layers mutually distant from each other while sandwiching a magnetic body layer. Moreover, the multiple magnetic gap layers are vertically symmetrically disposed relative to a central portion of lamination in a magnetically equivalent fashion, and the respective magnetic gap layers interpose at least two layers of the conductive patterns therebetween.

Disclosed herein is a robot mechanism for inspection of a live-line suspension insulator string. A robot body of the robot mechanism reciprocates along the live-line suspension insulator string and includes upper and lower robot frames configured to encircle the insulator string, a battery module provided to either end of the robot body, an actuation module for moving the robot body along the insulator string, an inspection module for electrically inspecting an insulator, a connection module for coupling the robot body to an installation / dismantlement mechanism, a wing opening / closing module for manually separating the robot body from the insulator string, a measurement module for measuring electrical properties of the insulator, a controller for controlling operation of the robot body, and a crack detection unit for detecting cracks formed in the insulator.

The invention provides a Chinese reading ability evaluation method, which comprises the following steps of: obtaining user information of a user, and calling an initial test question group corresponding to the user information in an evaluation question bank for the user to test; Calculating an initial capability value of the user according to a test result, obtaining an evaluation test paper corresponding to the initial capability value, and sending the evaluation test paper to a terminal where the user is located for the user to perform evaluation, the evaluation test paper comprising test question groups of multiple question types of continuous texts and discontinuous texts; And based on the project response theory, calculating a reading capability value of the user for answering the evaluation test paper by utilizing a preset high-order question group model. The invention also provides a Chinese reading ability evaluation device and a readable storage medium. According to the methodand the system, the user is tested according to the test papers of various question types of the continuous text and the discontinuous text, the item response of the user for answering the test papers is evaluated through the high-order question group model, and the question types have diversity and can more accurately and comprehensively inspect the Chinese reading capability of the user.

The invention discloses a device and method integrating electric pulse fracturing and permeability improvement and gas seepage measurement. The device and method are suitable for improving the gas extraction rate of coal seams which has low permeability and high adsorption. The device comprises a high-voltage charging power supply, a high-voltage energy storage capacitor, a high-voltage dischargeswitch, a coal sample fixing device, a hydraulic control system, a vacuum pump device, a gas cylinder and a pressure gauge. The method comprises the steps that 1, the high-voltage charging power supply is used for charging the high-voltage energy storage capacitor; 2, the high-voltage discharge switch is turned on, a coal sample is discharged through a positive electrode and a negative electrode,huge energy is generated and directly acts on a coal body, and cracks are formed in the coal body; and 3, the permeability of the coal sample subjected to breakdown is measured through a built-in gasseepage device in the coal sample fixing device. According to the device and method, integral electric pulse fracturing and permeability improvement and gas seepage measurement can be realized; the method is accurate in measurement, convenient to operate and capable of providing a reliable basis for the electric pulse fracturing effect.