Abstract: A system, that includes a hybrid sensor that comprises: a monochromatic portion that is arranged to obtain a monochromatic image of a first area of an object; a multiple-color portion that is arranged to obtain a multi-colored image of a second area of the object; wherein the monochromatic portion comprises monochromatic sensing elements that sense radiation of a same frequency band; wherein the multiple-color portion comprises color sensing elements of different types, wherein different types of color sensing elements are associated with different frequency bands.

Abstract: Systems and methods for identifying defects in a roulette wheel are described. A first trajectory of a roulette ball may be determined after launch of the roulette ball by capturing movement of the roulette ball on the roulette wheel. The roulette wheel has a region where the roulette ball orbits and spins around before the roulette ball falls into a roulette number pocket. The determining step may be repeated to determine additional trajectories, and a plurality of areas that the roulette ball avoided during travel along the trajectories may be identified. A graphical representation of the plurality of avoided areas may be generated to identify regions of the roulette wheel that include defects.

Abstract: A container inspection device includes at least two cameras displaced from each other in a container's direction of travel and camera axes perpendicular to that direction. Each camera records an image of the same container region when the container is directly in front it. A difference between the images indicates a defect in form of the container. A device moves the container and records these images by some combination of rotating and/or pivoting. An electronic evaluation system compares the images and ascertains a defect in the form of the inspected container if they are different.

Abstract: According to one embodiment, a defect inspection apparatus includes an inspection unit configured to acquire a plurality of inspection images by photographing repetitive patterns of not larger than a resolution limit of an optical system under different optical conditions with respect to a to-be-inspected sample, an edge image extraction unit configured to respectively extract edge images from the plural inspection images, and a defect determination unit configured to determine the presence of a defect of the pattern based on the plural edge images.

Abstract: A transparent body inspecting device includes a light application unit, an image capturing unit, an image capture driving unit, and a defect determining unit. The image capturing unit is moved in the directions in which the image capturing unit is brought close to and away from the upper surface of the transparent body, and the image capturing unit captures a plurality of images of the transparent body during the movement. The images are captured while the position of the depth of field of the image capturing unit is adjusted to more than one spots inside the transparent body. When brightness of pixels in the captured image is nonuniform, the defect determining unit determines that a defect exists within the depth of field at the time of capture of the image.

Abstract: A method and system for steam leak detection. The method comprises obtaining real-time temperature data representing a heat dissipation of a steam pipe along a steam pipe route, processing the real-time temperature data in real-time to determine at least one indication of a potential steam leak based on the real-time temperature data and to generate a processed image for display, and displaying the processed image to depict the heat dissipation of the steam pipe.

Abstract: A field deployable infrared imaging (FDIR) system for inspecting a composite component comprises an emitter configured to impart heat into a composite component via infrared radiation, a camera configured to capture an infrared image of the composite component, and a processing system configured to post-process the infrared image. A method of inspecting a composite component is disclosed that comprises subjecting a component to infrared radiation, capturing a thermal image of the component, inspecting the captured thermal image for defects in the composite component, and post-processing the thermal image using a second order derivative algorithm wherein the post-processed thermal image shows the defect better than the captured infrared image.

Abstract: An inspection apparatus for a sheet includes: white LED illuminators which irradiate a sheet of paper with light containing visible light: IR-LED illuminators which irradiate the sheet of paper with light containing infrared rays: two visible color cameras; one IR monochrome camera: an IR filter which eliminates the visible light in the light emitted from the white LED illuminators and the IR-LED illuminators and reflected off the sheet of paper, and makes only the infrared rays incident on the IR monochrome camera; and a control device which determines appropriateness of a pattern portion on the sheet of paper on the basis of the visible light made incident on the visible color cameras, and determines appropriateness of pattern portions on the sheet of paper on the basis of the infrared rays made incident on the IR monochrome camera.

Abstract: A monitoring system for use with a sewing machine. The monitoring system includes a camera assembly mounted to a base of the sewing machine with a camera that collects images from a bottom side of the fabric. The camera assembly delivers images of the back side of the fabric to a monitor assembly that includes a display device. The display device displays the images collected by the camera. The monitor can be mounted to an upper or arm portion of the sewing machine for convenient viewing by the operator during use of the sewing machine.

Abstract: A tool and method for assisting in the maintenance and inspection of power lines by providing a platform that rides along the power lines.

Abstract: A method for inspecting a marine vessel underdeck utilizes a video camera such as a digital video camera with a magnifying or telephoto lens. The method produces a magnified image on a monitor for viewing by an inspector that appears to be no more than about 24 inches (61 cm) away. The method includes the step of filming the uuderdeck of a distance of about 40-70 feet (12-21 m). The lens provides a focal length of between about 15 feet (4.6 m) and 150 feet (46 m). Thus the method is conducted at a workable focal range of between about 15 feet (4.6 m) and 150 feet (46 m). The lens preferably has a focal length of between 30 feet (9 m) and 75 feet (23 m). The method includes the step of scanning the suspect area of the underdeck of a speed of about 1 inch (2.54 cm) per second to three feet (91.4 cm) per second. The preferred method contemplates scanning of the suspect area of a rate of between about 0.5-1 foot (15.2-30.5 cm) per second.

Abstract: A device for inspecting a tire (10), in particular by means of an interferometric measuring method, is provided with a measuring head, which is used to scan the tire in order to produce a measured result. The device is also equipped with a location element, which allows the measuring head to be located and aligned in a monitoring position. In addition, the device is provided with a control and display unit, which allows the location element to be controlled and the measured result to be displayed. To achieve the simple control of the measuring head and a reliable evaluation of the measured result, the control and display unit has at least one display field for displaying the monitoring position or the monitoring direction of the measuring head in relation to the tire.

Abstract: This invention is directed to easily set the image sensing conditions of an image sensing apparatus. The image sensing apparatus includes a first control means for controlling to change the image sensing conditions, an image sensing means to sense an image sensing target at every first time interval, and to calculate the evaluation value of the sensed image, and a second control means for controlling to change the image sensing conditions within the range where the evaluation value obtained by the first control means changes from increase to decrease, the image sensing means to sense the image sensing target at every second time interval smaller than the first time interval, and to calculate the evaluation value of the sensed image.

Abstract: An image of a semiconductor interconnection pad is analyzed to determine a geometric description of the zone regions of a multiple zone semiconductor interconnection pad. Edge detection machine vision tools are used to extract features in the image. The extracted features are analyzed to derive geometric descriptions of the zone regions of the pad, that are applied in semiconductor device inspection, fabrication, and assembly operations.

Abstract: The invention relates to a device for monitoring a web. The device includes cameras imaging the web in order to take digital images of the web from a transverse area of the web at the imaging frequency. Each camera includes an image element, which consists of pixels. The individual pixels of the imaging element of the camera are real image-elements. The real image-elements are arranged to combine to form effective image-elements of the web in the machine direction. In addition, the cameras used in the device are matrix cameras, the imaging elements in which are arranged to be exposed simultaneously. The real image-elements are arranged to be combined to form effective image-elements by exploiting the binning function of the matrix camera. The device includes a strobe-lighting unit, the synchronization of which is arranged in step with the exposure of the matrix cameras, the imaging periods being common to all the cameras.

Abstract: The all-purpose portable tester for isolation character of the surface of the composite bushing made from silicon rubber applies to detecting and estimating hydrophobicity and isolation performances, the length and width and density of the cracking, comprehensive assessment of the surface of the umbrella skirt and bushing and to detecting the tracking and the electric corrosion of silicon rubber, being made up of Master Control Unit, Principal Computer, Hydrophobicity Detection Unit, Crack Detection Unit, Tracking Detection Unit and Electric Corrosion Detection Unit and Image Capture Unit through which the comprehensive diagnosis and life assessment of the isolation character of the surface of the composite bushing made from silicon rubber shall be achieved.

Abstract: A pulsed thermography defect detection apparatus including active and passive infrared (IR) thermography for non-destructive testing (NDT) of powdermetallic (P/M) components for on-line and off-line inspection.

Abstract: A fault inspection method and apparatus in which the scattergram is separated or objects of comparison are combined in such a manner as to reduce the difference between an inspection object image and a reference image. As a result, the difference between images caused by the thickness difference in the wafer can be tolerated and the false information generation prevented without adversely affecting the sensitivity.

Abstract: A method and an inspection system may be provided. The inspection system may include (a) a hybrid sensor that may include a monochromatic portion that is arranged to obtain a monochromatic image of a first area of an object; a multiple-color portion that is arranged to obtain a multi-colored image of a second area of the object; wherein the monochromatic portion comprises monochromatic sensing elements that sense radiation of a same frequency band; wherein the multiple-color portion comprises color sensing elements of different types, wherein different types of color sensing elements are associated with different frequency bands; (b) a storage element arranged to store the monochromatic image and the multiple-color image; and (c) a defect detection module arranged to detect defects by processing at least one of the monochromatic image and the multiple-color image.

Abstract: Methods, systems, and apparatus for imaging a substrate through the use of retro-reflective optics and detecting any defects and patterns therein. Through the use of optical imaging, optical focusing is adjusted to capture optical effects of interest in the substrate with enhanced size, precision, clarity and image quality. Imaging data obtained from these images may then be analyzed. Both bright field image data and dark field image data are captured and analyzed to provide accurate and reliable imaging results. The invention is suitable for use in on-line, real-time detection of visual defects and pattern recognition or off-line for non-production use.

Abstract: An image processing method and an image processing system can perform image processing with higher accuracy while a gloss is removed without immobilizing a continuously moving inspection object. The image processing apparatus images the inspection object moving in a predetermined direction plural times with an imaging unit disposed in a predetermined position while a visual field of the imaging unit is lighted by a lighting source disposed in a constant relative position with respect to the imaging unit, aligns plural images with the inspection object as a reference by searching sequentially a region indicating at least part of the inspection object between the two images in the plural images acquired by a series of imagings with the imaging unit, and produces a composite image from the aligned plural images.

Abstract: A multi-camera skin inspection system for inspecting the outer skin and the skin perimeter of extruded ceramic honeycomb structures is disclosed. The system has a camera that captures first digital line images of a line-illuminated portion of the outer skin as the ceramic honeycomb structure rotates to form a scanned digital image of the outer skin. The system also has second and third cameras that respectively capture second and third digital line images of illuminated first and second endfaces, including the corresponding first and second skin perimeters, as the ceramic honeycomb structure rotates to form scanned digital images of the ceramic honeycomb structure perimeters. The system also forms a composite image from the three scanned images and identifies at least one defect in the ceramic honeycomb structure from the composite image.

Abstract: The invention is a building inspection device for inspecting a side of a building comprising a body having a under-side, a line attachment means connected to the body for movably connecting the body to a guide line, an alignment means for aligning the body so that the underside of the body faces the side of the building, a system controller for controlling the inspection device, and a sensing device disposed in the body having a sensor located on the underside of the body for inspecting a portion of the side of the building, wherein the sensing device is controlled by the system controller. The line attachment means may be connected to a vertical weight-bearing guide line, and the alignment means may comprise a second vertical guide line also connected to the line attachment means.

Abstract: In one embodiment, a pattern inspection method is disclosed. The method can include predicting an edge shape at a given future time with respect to the same inspection target pattern, setting a threshold corresponding to a required specification of the inspection target pattern, and predicting the time when the inspection target pattern fails to meet the required specification from the predicted edge shape and the threshold. The method can further include taking a plurality of images concerning the inspection target pattern at different times by use of an imaging apparatus, detecting edges of the obtained images, respectively, matching the detected edges of different imaging times, and obtaining a difference between corresponding edges to generate a difference vector after the matching. The edge shape of the future time can be predicted based on the generated difference vector and an interval between the imaging times.

Abstract: In a defect classification system using plural types of observation devices that acquire images having different characteristics, classification performance and operability of the system are improved. The a defect classification system includes plural imaging part that acquire images of an inspection target, a defect classification device that classifies the acquired images acquired by the plural imaging part, and a communication part that transmits data between the plural imaging devices and the defect classification device, in which the defect classification device includes an image storage part that stores the acquired image data acquired by the plural imaging part, an information storage part that stores associated information about the input image data, and a part for changing a processing method or a display method depending on the associated information.

Abstract: The present invention provides a unified template matching technique which allows an adequate matching position to be provided even in an image with a distorted pattern shape and a variation in edge intensity. A correlation value contribution rate map is created for the vicinity of each of top candidate positions obtained by applying a centroid distance filter to a normalized correlation map resulting from template matching. A corrected intensity image is created from the correlation value contribution rate maps. Luminance correction is performed based on the corrected intensity image. Local matching is performed again on the vicinity of each candidate position. The candidates are then re-sorted based on candidate positions and correlation values newly obtained. Thus, even in an image with a distorted pattern shape and a variation in edge intensity, an adequate matching position can be provided in a unified manner.

Abstract: The invention provides an image processing device and an image processing method which can efficiently make use of memory resources, and can also edit and simulate a registered image or the like so as to reflect the registered image or the like after editing in a normal operation without stopping the normal operation, and further to enhance production efficiency. When data for image processing edited in a second processing section is to be reflected in image processing (normal operation) that is continuously executed in a first processing section, the edited data for image processing is transmitted from a third data storage area to a second data storage area, and the edited data for image processing is read from the second data storage area when image processing is executed by use of the edited data for image processing in the first processing section.

Abstract: An inspection system captures an inspected object which is illuminated by an illumination system and processes an image of the inspected object which is expressed by the obtained image data to inspect it. The inspection system includes a processing information determining portion determining processing information which is used for the inspection processing which changes along with the change of the amount of illumination light from the illumination system from the initial amount of light to the target amount of light when the set amount of light of the illumination system is changed from the initial amount of light to the target amount of light, and which system performs the inspection processing by using processing information which is determined by the processing information determining means in accordance with the elapsed time from when the set amount of light of the illumination system is switched to the target amount of light.

Abstract: A spot or anomaly detecting system include a camera module and a signal processor. The camera module captures an image. The signal processor includes an area partition module, a brightness detection module, and a calculating module. The area partition module receives the image, and divides the image into a plurality of detecting areas. The brightness detection module reads the brightness of the plurality of detecting areas. The calculating module has a critical brightness ratio being pre-stored, and calculates a proportionality of the brightness of each test point relative to the brightness of the detecting area immediately around the test point, and then determining the test point to be a spot or not by contrasting the calculated proportionality against the critical brightness ratio. If the calculated proportionality is not more than the critical brightness ratio, the test point is deemed an anomaly.

Abstract: An image processing device for defect inspection that processes image data taken continually in time from a moving molded sheet with an area camera, having a data extraction unit extracting line data at an identical position from each different image data, for a plurality of different positions on the image data; a data storage unit arranging the plurality of line data in time series for each of the positions on the image data to generate a plurality of line-composited image data; a change amount calculation unit performing a differential operator operation on the plurality of line-composited image data to generate a plurality of emphasized image data; an identical position judgment/extraction unit extracting data indicating an identical position of the molded sheet from the plurality of emphasized image data; and an integration unit accumulating, at respective pixels, brightness values of the extracted emphasized image data to generate defect inspection image data.

Abstract: Provided is an image processing apparatus which can prevent deterioration in defect detection accuracy. The image processing apparatus includes an imaging unit and an image processing unit. The imaging unit converts a color image imaged by the imaging element to an HDR image based on a conversion characteristic for expanding a dynamic range, to output the HDR image. The image processing unit inversely converts color component values with respect to each pixel of the HDR image outputted from the imaging unit, based on the conversion characteristic, calculates brightness and a ratio of the color component values with respect to each pixel from the inversely converted color component values, and converts the calculated brightness based on the conversion characteristic, to generate a post-correction HDR image based on a ratio of the converted brightness and the calculated color component values.

Abstract: Provided is an image processing apparatus which can easily perform focus adjustment only by switching a program in accordance with a kind of an inspection object. The image processing apparatus according to the invention includes: an imaging unit for imaging a region including an inspection object; a focus adjustment mechanism; and a control unit for controlling a operation of the focus adjustment mechanism. A plurality of pieces of inspection condition data are set, the data being made up of a plurality of setting items including a focus position data. When the switching instruction from one inspection condition data to another inspection condition data is accepted, the operation of the focus adjustment mechanism is controlled based on focus position data included in another inspection condition data after switching.

Abstract: Systems and methods for inspecting capsules and capsule fill tube assemblies (CTFA) are provided. The 3-D Surface Mapping System (SMS) is used to generate 3-D surface information of each CFTA used in fusion ignition experiments. The CFTA includes a hollow capsule and an attached fill tube. This fragile CFTA's surface is inspected by using an optical microscope to gain volumetric information of particulates and surface defects at a sub-micrometer scale resolution. In order to completely inspect the entire surface of the CFTA the mechanical system requires multiple linear and rotational stages in addition to end effectors to safely hold the CFTA. By combining the optical microscope along with the mechanical system, a three-dimensional replication of the surface is generated providing information on surface feature defects and particulate sizes.

Abstract: A method for inspecting a marine vessel underdeck utilizes a video camera such as a digital video camera with a magnifying or telephoto lens. The method produces a magnified image on a monitor for viewing by an inspector that appears to be no more than about 24 inches (61 cm) away. The method includes the step of filming the underdeck of a distance of about 40-70 feet (12-21 m). The lens provides a focal length of between about 15 feet (4.6 m) and 150 feet (46 m). Thus the method is conducted at a workable focal range of between about 15 feet (4.6 m) and 150 feet (46 m). The lens preferably has a focal length of between 30 feet (9 m) and 75 feet (23 m). The method includes the step of scanning the suspect area of the underdeck of a speed of about 1 inch (2.54 cm) per second to three feet (91.4 cm) per second. The preferred method contemplates scanning of the suspect area of a rate of between about 0.5-1 foot (15.2-30.5 cm) per second.

Abstract: An object of the present invention is to provide a mechanism for tamper detection of electronic devices (110) in closed units which is robust and low cost. The object is achieved by a method in an electronic device (110) for detecting if a cover (100) enclosing the electronic device (110) has been opened. The cover (100) comprises an enclosing assembly (250) which is adapted to fasten the cover (100) into a closed position. The electronic (device 110) comprises a non volatile memory (120). The non volatile memory (120) comprises a stored reference signature associated to the enclosing assembly (250) when the cover (100) was fastened into a closed position. The method comprises the following steps: (Creating 1003) a signature associated to the enclosing assembly (250). Comparing (1004) the created signature with the reference signature. Detecting (1007) that the cover 100 has been opened when the comparing (1004) results in a difference.

Abstract: This invention comprises a system and a method for inspecting the inside of delayed petroleum coking vessels to determine deformations, detect and determine the severity of other defects and visually observe the inside of the inspected vessel.

Abstract: A method for visually inspecting a valve is provided. The valve controls of a fluid from a first fluid conduit to a second fluid conduit. A tethered imaging device is disposed in the second fluid conduit. The tether extends from inside the second fluid conduit to outside the second fluid conduit. An image capturing end portion of the imaging device is moved in proximity to the valve. A fluid seal for fluid sealing a passage of the tether from inside the second fluid conduit to outside the second fluid conduit is provided. The valve is then at least partially opened and images are captured in-situ of the at least partially opened valve with the valve being exposed to the fluid.

Abstract: Acquired mask data of a defect portion is sent to a simulated repair circuit 300 to be simulated. The simulation of the acquired mask data 204 is returned to the mask inspection results 205 and thereafter sent to a wafer transfer simulator 400 along with a reference image at the corresponding portion. A wafer transfer image estimated by the wafer transfer simulator 400 is sent to a comparing circuit 301. When it is determined that there is a defect in the comparing circuit 301, the coordinates and the wafer transfer image which is a basis for the defect determination are stored as transfer image inspection results 206. The mask inspection results 205 and the transfer image inspection result 206 are then sent to the review device 500.

Abstract: This disclosure relates to a device for optically measuring the curvature of a rotor blade (18) of a wind power plant (1). The rotor blade is fixed at the blade root (23) to a rotor hub (8) or a rotor (6). The device includes at least one light-emitting external marking (33) fixed to the rotor blade (18) at a distance from the blade root (23), at least one camera (27) fixed to the rotor (6) for capturing the light (35) emitted from the external marking (33). The device provides first location information as a function of the relative position of the camera (27) with respect to the external marking (33). An evaluating device (37) is coupled to the camera (27), and a position detection means detects the relative location of the camera (27) with respect to the blade root (23) and provides second location information as a function of said relative location. The evaluating device (37) determines at least one variable characterizing the curvature of the rotor blade (18) while evaluating the position information.

Abstract: The present invention relates to a device for identifying anomalies on medical instruments, having a data processing installation and an instrument analysing unit. The data processing installation has a display unit, a database, a first interface and an evaluation unit and the instrument analysing unit has a support and at least one camera. The at least one camera is arranged and oriented such that it can capture image data from medical instruments arranged on the support from at least one perspective, and the data processing installation is designed such that it uses the first interface to receive image data from the at least one camera and can store the received image data in the database. Further, it can use the evaluation unit to examine said image data for regions which have anomalies. In addition, the invention also relates to an according method.

Abstract: A system for detecting stress in rails includes a railcar, having a rail temperature detector, and a rail imaging device oriented to produce images of rail joints and rail anchors. The imaging device and temperature detector are connected to a computer controller, which is programmed to provide an output signal indicative of estimated axial stress in the rail based upon rail temperature and the images of at least one of the rail joints and rail anchors.

Abstract: A method and apparatus are provided for automatic application and monitoring of a structure to be applied onto substrate. A plurality of cameras positioned around an application facility are utilized to monitor the automatic application of a structure on a substrate by means of a stereometry procedure. Three-dimensional recognition of a reference contour position results in the overlapping area to be used for gross adjustment of the application facility prior to applying the structure.

Abstract: A non-contact fluid leak detection system includes an image capture device configured and disposed to produce an image signal, and a leak detection member operatively connected to the image capture device. The leak detection member being configured and disposed to evaluate the image signal to detect a particular color associated with leaked fluid.

Abstract: An inspection system and a method of detecting defects on specular surfaces. The inspection system may include an illumination subsystem that moves with respect to an article, e.g. a vehicle, to be inspected. A vision subsystem may gather images of light reflected from the article and execute a methodology to detect defects on one or more surfaces of the article.

Abstract: The invention relates to a device for inspecting the surface of an article having an edge with an end face, said device including: a support for supporting said article, a light source capable of emitting a light in a direction D, and a filter for stopping part of the light of said light source which is emitted or diffused out of direction D, said filter being provided with a hole intended to receive said article when said article is provided on said support, said support being positioned with respect to said light source and said filter so that, when said article is provided on said support, the end face of said edge is substantially perpendicular to said direction D. The invention also relates to a kit comprising such a device and to a method for inspecting the surface of the article.

Abstract: In a method for validating speed of a fan of an electronic device, different speeds of the fan are set for validation. The method controls the fan to operate under each of the set speeds in turn, and controls a camera device to continuously capture images of the fan with a shutter speed of the camera device corresponding to the set speed. The images are transmitted to a comparison unit to be analyzed for sameness and clarity. The fan is determined to work abnormally if not all the images are sameness or if at least one image is unclear, and the fan is determined to work normally if all the images are sameness or clear. A validation report is generated to indicate whether the fan is normal or abnormal according to the determination.

Abstract: A method and an inspection system may be provided. The inspection system may include (a) a hybrid sensor that may include a monochromatic portion that is arranged to obtain a monochromatic image of a first area of an object; a multiple-color portion that is arranged to obtain a multi-colored image of a second area of the object; wherein the monochromatic portion comprises monochromatic sensing elements that sense radiation of a same frequency band; wherein the multiple-color portion comprises color sensing elements of different types, wherein different types of color sensing elements are associated with different frequency bands; (b) a storage element arranged to store the monochromatic image and the multiple-color image; and (c) a defect detection module arranged to detect defects by processing at least one of the monochromatic image and the multiple-color image.

Abstract: A video surveillance system has an encoder receiving a video signal from a camera and generating real-time sequenced packets for streaming to a remote monitoring location. A transmit buffer is coupled to the encoder for buffering the sequenced packets. A transmit controller transmits an original packet stream comprising the sequenced packets. The transmit controller is responsive to retransmission requests to transmit sequenced packets from the transmit buffer as a retransmission stream. A receive controller is provided at the monitoring location for receiving the original packet stream and detecting missing packets from the original packet stream to transmit corresponding retransmission requests to the transmit controller for the missing packets. A decoder is responsive to the original packet stream to generate a reproduced video signal for viewing at the monitoring location. A recorder stores recorded video responsive to the original packet stream and the retransmission stream.

Abstract: An inspecting method for grasping the inspection result on an intermediate (or an n-th) treatment without long extension of time, in case predetermined treatments of a predetermined number (N times) are exerted on a plurality of sheets running on a conveyor line, before all the treatments of N-times are ended. The inspecting method for inspecting an object subjected to the predetermined treatment includes performing the predetermined treatment repeatedly by the N-times (N: a natural number of 2 or more) sequentially on the individual objects being conveyed on the conveyor line, and an inspecting step of testing such a leading one of the objects as has been subjected to the n-th (n: a natural number of 1 or more but N or less) treatment, and returning the tested object to after such one of the targets as was subjected to the n-th treatment.

Abstract: A system and method for testing a multimeter provides a mechanical arm to set a gear of the multimeter. Values displayed on the multimeter are captured by a camera. The computer obtains the displayed values from captured images using a difference image method. If a difference between each two obtained values is in an allowable error range of the multimeter, the computer displays that the gear is qualified. If the difference between each two obtained values is not in the allowable error range, the computer displays that the gear is out of tolerance.