WO2004044565A1 - 光量調整システム - Google Patents
光量調整システム Download PDFInfo
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- WO2004044565A1 WO2004044565A1 PCT/JP2003/014552 JP0314552W WO2004044565A1 WO 2004044565 A1 WO2004044565 A1 WO 2004044565A1 JP 0314552 W JP0314552 W JP 0314552W WO 2004044565 A1 WO2004044565 A1 WO 2004044565A1
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- light
- image
- unit
- area
- brightness
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N21/8903—Optical details; Scanning details using a multiple detector array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8896—Circuits specially adapted for system specific signal conditioning
Definitions
- the present invention relates to a light amount adjustment system for adjusting the amount of light to be irradiated when an image of a target area of a work is imaged and the appearance or a flaw is detected.
- the surface of the record is captured as image information in succession to the next one, and it is clarified in the image information processing device. Detect surface defects, such as by detecting a different part.
- a light irradiation device for this purpose is a lamp lamp or a fluorescent lamp, and in recent years it has been used as a light irradiation device. Instead of using LEDs with excellent speed, luminous stability, long life, etc.
- the lens aberrations (distortion) and force The brightness level of the image represented by the difference in the distance to the part or the difference in the angle of view is such that the center part is high ⁇ the edge part, and it is almost low ⁇ 0 In particular, when a wide-angle lens is used for the lens, the inclination is remarkable.0 Specifically, a VIDEO signal (output When the signal received by the laser (CCD) is converted to a lightning signal,
- the image processing clothing and the corps side capture the image signal from the force camera, and then perform, for example, a digital correction to each signal level. After that, the brightness is adjusted (since finishing correction), and then the inspection process is performed.5
- the captured image is set to a fixed brightness. Add the lightness of the part that is not enough to the part where the brightness is lower, and subtract the lightness of that part to the part that is too bright and subtract it.
- the correction method is described, and various types of devices represented by patent documents (Japanese Patent Application Laid-Open No. H10-111125) are described. But thinking we are is, Ru 0 "
- the image processing device converts the shearing equality into a row and digital signal
- the image is deteriorated and the calculation method at the time of correction is lacking. It may have an effect on the detection rate of the above, etc. o This will be explained with specific examples.
- the image processing device performs the shearing correction by addition and subtraction, and the brightness level of the entire image is set to
- the correction is made only to the knock gradient, and no change occurs in the relative level from the defective knock gradient.
- the level of lightness at that level occurs, and in particular, the detection of the end part is inconsistent with Ian. If, for example, the defect detection level is set as shown by the dotted line in the figure, the end defect will not be detected. Become
- the image processing side corrects the shearing correction using the gain control (Negai calculation), and the overall brightness level is reduced to one. As shown in Fig. 26, since both the compensation and the defect level are corrected. ⁇ The defect level between the center and the end is one port. However, the noise near the end is also increased by the gain control opening, and the noise is reduced by the noise. O For example, if the threshold and the level of the defect detection are set to HX as indicated by the dotted line in the figure, the defect may occur. Q Detecting noise as a defect Q
- the imaging device may perform a one-port J-shing correction, but this may cause image degradation as in the case of one port.
- the present invention is based on the assumption that the eyes are quickly changed and the image is captured in the output camera, and that the brightness of the target area in the image is uniform, for example.
- the light irradiation device is controlled so that unevenness or extreme unevenness may occur, so that the image correction at the image processing device side is performed.
- the main objective is to shorten the inspection time. ⁇
- the present invention relates to a light irradiation device in which a plurality of light irradiation units whose light amount can be independently adjusted are arranged in parallel to irradiate light toward a predetermined target area. And ⁇ an image device for imaging the IJ target area through the lens, outputting an image of the target area which is a captured image, and ⁇ an image of the target area output by the image recording apparatus. The brightness of each part approaches the specified one-point value.
- ⁇ Light that controls the light intensity of the illumination Control unit
- the target area defined in the hook is It is equipped with a light radiator that irradiates light and an image device that outputs the image of the target area obtained from the image of the corresponding area to an image processing device for surface inspection.
- the light irradiator has a plurality of light irradiators that can be adjusted independently.
- each part in the target area image output by the U-imaging device approaches a predetermined standard value.
- each illuminating and emitting part may be one or more than one light emitting body such as an LED, or one or more light guides such as a light fin.
- the light-emitting end may be used.
- each light irradiating unit In order to detect defects, it is preferable to control the light intensity of each light irradiating unit so that the brightness of each part of the U target area image becomes even.
- each light irradiating part is similarly used in the case where the light amount and the irradiation angle may be slightly changed due to the variation of the quality of the product P and improper installation. If you control it, In order to preferably solve this problem, which may be insufficient due to the occupation of control errors, etc., it is necessary to control the area to be recorded by the light irradiation from each light emitting unit.
- the light irradiating mode at the time is obtained as an individual light irradiating pattern in advance from the image of the region to be recorded, and the individual light irradiating header notable section is additionally provided.
- the RD light quantity control section is configured to control the light quantity of the self-light emission section based on the individual light output section.
- the details of the individual light irradiation mode data include that the light irradiation vehicle n and the distribution of brightness on the target area by each light emitting part supplied with a predetermined power are small. O can be listed as o
- the target area is divided into a plurality of unit areas, and each unit area has one light source that illuminates and radiates the main unit area. It is preferable that the light illuminating and illuminating part be used as the main light illuminating part of the unit area, and that the brightness of the unit area with respect to o be determined. This is because controlling the light only by the main light irradiator makes it easier to control the amount of light.
- the unit area and the light irradiating section be in one-to-one correspondence with each other.
- the method of dividing the unit area is as follows: ⁇
- the target area is divided into multiple unit areas so that the number or type of In order to clarify what is to be defined, it is necessary to divide the light into the illuminated area indicated by the individual light illuminating mode data indicated by U.
- the light irradiating section that gives the light quantity to each unit area at the lowest level should be used as the main light irradiating section of the unit area.
- the light storage amount control unit divides the recording target area image into the images of the unit areas and an image division unit.
- the representative value calculation unit for calculating the representative value of the brightness, the target value of the brightness previously determined, and the representative value of each unit area image are compared. Based on the comparison results of the comparison section and the comparison section, each representative value approaches the target value, so that the light amount of the main light irradiating section corresponding to the unit area. It can be equipped with a unit light quantity control unit that controls the
- the representative value is the average brightness of the unit area image.
- the light irradiation device is
- the light intensity unevenness that reduces the uneven light amount that depends on the gap between the light emitting sections is provided with a light amount unevenness reducing member. Lenticular that diffuses light only in a certain direction When the lens is illuminated on the surface and the light diffuser is exposed,
- the light quantity of the light irradiating unit corresponding to the other area is controlled based on the image of the target area which is to be recorded by the image apparatus having the lower priority, which is to be imaged by the imaging apparatus. It is preferable to use
- FIG. 1 is an overall schematic configuration diagram of the light amount adjustment system according to the first embodiment of the present invention, which is 3D-structured.
- FIG. 2 is a perspective view of the light irradiating apparatus according to the embodiment in which a part is broken.
- FIG. 3 is a perspective view showing a holder according to the embodiment.
- FIG. 4 is a functional block diagram of the light quantity control unit in the
- 5 5 shows the operation of the light amount control unit in the embodiment. It is a flow chart.
- FIG. 6 is a signal diagram showing an image signal before light amount correction in the embodiment.
- FIG. 7 is a signal diagram showing a light quantity correction target in the embodiment.
- FIG. 8 is a functional block diagram of a light quantity control unit according to the second embodiment of the present invention.
- FIG. 9 is a data distribution diagram showing the brightness distribution data in the same embodiment in a graph.
- FIG. 10 is a diagram illustrating, in a graph, a process of setting the center position of the light irradiation unit in the embodiment.
- FIG. 11 is an explanatory diagram illustrating, in a graph, a process of setting an irradiation range of a light irradiation unit in the embodiment.
- FIG. 12 is a data distribution diagram showing the brightness ratio distribution data in the same embodiment as a columnar graph.
- FIG. 13 is a schematic diagram showing a method of setting a unit area in the embodiment.
- FIG. 14 is a flowchart showing the operation of the light amount control unit in the embodiment.
- FIG. 15 is a flowchart showing the operation of the light amount control unit in the embodiment.
- FIG. 16 is a schematic data structure diagram showing a structure of individual light irradiation mode data in the embodiment.
- FIG. 17 is a schematic diagram showing an imaging device according to another embodiment of the present invention.
- Fig. 18 is a control explanatory diagram for explaining the light control in the embodiment table.
- O Fig. 19 is another light control in the embodiment. It is a control explanation diagram for explaining o
- FIG. 20 is a schematic view showing a light irradiation device according to still another embodiment of the present invention.
- Fig. 21 is a target area diagram showing the shape of the target area in another embodiment m of the present invention.
- FIG. 22 is a sectional view of a target area according to still another embodiment of the present invention.
- Fig. 23 is a partially broken perspective view of a light irradiation device of another embodiment table according to the present invention.
- FIG. 24 is a signal diagram showing a conventional image signal.
- FIG. 25 is a signal diagram of a mouth obtained by adding image processing to a conventional image signal.
- FIG. 26 is a signal diagram obtained by adding image processing to a conventional image signal.
- FIG. 1 shows an overall outline of a light quantity control system according to the present embodiment.
- Specimen W is a continuous material such as a light-transmitting paper or film, and flows at a constant speed in a predetermined direction to produce a laser beam. It is specified.
- this light quantity control system has a plurality of light irradiation sections 11 that can independently adjust the light quantity, and is directed to a predetermined area on the back surface of the hook W.
- Light intensity control for controlling the light intensity of the light irradiating unit 11 so that the brightness of each part in the target area image output by 2 approaches a predetermined target value. Part 3 is provided.
- the light emitting device 1 includes a plurality of puff LEDs 5 serving as light emitters, and light emitted from each puff LED 5.
- the optical fiber 6 serving as a flexible guide and the casing 7 holding the light-emitting end of the optical fiber 6 are connected to each other. It is provided.
- Each Nono 0 Ri it in off one LED 5 are respectively a plurality of light off A i Bas 6 force S against its, ⁇ gate - Thin grayed 7, this is found each Nono. ⁇ ⁇ LED
- a plurality of antennas 71 that hold the light emitting ends of a group of optical fins 6 that are connected to 5, and these j-folders 71 are described. ⁇ It is provided with a casing body 72 that is held in a line so as to be orthogonal to the flow direction of the w. The light emitting end of the group of optical fibers 6 is determined by one of the lasers 71. A line-shaped light irradiating section 11 which is held in a row in the same direction as the arrangement of these lines constitutes a light emitting section 11.
- each light irradiation section 11 is irradiated almost in a one-to-one correspondence with the unit area uA, which divides the target area A into a plurality of areas.
- a line of a predetermined width is intermittently interrupted. 5
- a line from the light irradiation section 11 is provided.
- Lens Ferenenolens
- the position can be changed by tightening and tightening the screw N with respect to the casing body 72.
- the distance between the light irradiating section 11 and the lens 73 is changed so that the angle at which the emitted light approaches can be changed. Approximately 20 continuous with the LED 5
- the image device 2 is, for example, a so-called line sensor camera, and has CCD elements arranged in a line. For example, when the light from the predetermined area U is applied to the image pickup device 2, an image is formed on a light receiving surface of the CCD element through a wide-angle lens (not shown). The signal is converted to an electric signal and output as an image signal that can be processed as an image. This image signal is transmitted to an image processing device for surface inspection as shown in FIG. 4, and is also provided in parallel with the light intensity control described later. It is also sent to Part 3
- Light quantity control unit 3 is bordered by through current Ke one Bull CA in ⁇ each C 0 Wa one LED 5, also of a that controls Kyone match that current thereto, et al, the light irradiation device 1 Power which also plays a role in
- the light amount control unit 3 is separate from the ⁇ 'J light-emitting device 1. As shown in the functional block diagram in FIG. And ⁇ a representative value of the brightness (brightness level) of each unit area image from these signals, and ⁇ the image division unit 31 that divides the U-picture image signal into unit area image signals for each unit area UA And a comparison unit 3 for comparing a predetermined giant value of the brightness and a representative value of each of the unit area images with a predetermined value.
- a unit for controlling the supply current of the LED 5 corresponding to each of the representative values approaching the g standard value based on the comparison result in the comparison unit 3 3 It has a current control section 34 as a light quantity control section, and the functions of each section are stored in a memory V (not shown).
- the CPU and its peripherals are operated according to the program that has been set, and one of the layers is activated by operating a V-disk circuit such as an analog amplifier.
- the representative value is the average value of the brightness of the unit area image, and the signal intensity is simply calculated.
- the target value of brightness in the region image is set to ⁇ 0, and the value is constant.
- the next step is to check for the absence of any peaks, conditions, or defects. With the device installed, operate the “Light No.”, the light, the light emitting device 1, the light amount control unit 3, and the imaging device 2.
- the imaging device 2 captures an image of the target area A (step ST1 in FIG. 5), and sends the target area image as an image signal to the light amount control unit 3 (step 5).
- Figure ST 2 In the light amount control unit 3, as shown in FIGS. 6 and 5, the image signal of U is divided into unit area image signals for each unit area UA (fifth section). From Fig. 3 (ST3), a representative value of the brightness (brightness level) of each unit area image is calculated from the signals (No.
- the light amount adjustment of the light irradiation device 1 is performed in this way, that is, after the teaching is completed, the light amount of the light irradiation device 1 is reduced. It is fixed, and it is going to perform the surface inspection of the peak with the light intensity.
- image correction such as shearing correction on the image processing device side is unnecessary or reduced as much as possible. Because of this, the accuracy of the inspection may cause the image quality to deteriorate.
- the target area A is divided into a plurality of unit areas UA, and each unit area UA and each light irradiating section 11 are arranged in a one-to-one correspondence with each other, and the light of each light irradiating section 11 is Since the corresponding unit area UA is illuminated as the main, respectively, it is clear which light irradiating section 11 should be controlled when controlling the amount of light.
- the light amount irradiation system according to the second embodiment of-> is almost the same as the device structure of the first embodiment.
- the light amount control system 3 is slightly different from the first embodiment. If the delay is less than or equal to 0, the explanation will be omitted for the points that are mainly described with respect to the first embodiment, and the explanation will be omitted.
- the light amount control unit 3 in the form includes each node. F L E D
- the power supply 35 is used as the power supply 35 and the image signal is transmitted to each unit area U.
- An image dividing unit 31 for dividing into unit area image signals for each A, and a representative value calculating unit 32 for calculating a representative value of brightness (brightness level) of each unit area image from the signals. And a comparison result between the comparison unit 33 and the comparison unit 33, which compares a predetermined value of brightness with a representative value of each unit area image.
- the current control unit as a unit light amount control unit that controls the supply current to the VLED 5 so that each representative value approaches the target macroscopic value based on the
- the light amount control unit 3 of the second embodiment table is adapted to the light emission of the individual light emission units 11 in addition to the m components.
- the illumination and launch pad on the recording target area A are set as the individual light projection state T data in advance, and the individual light projection mode ⁇ data acquisition section is acquired from the recording target area image in advance.
- the area illuminating section 11 and the light irradiating section 11 for irradiating mainly for each unit area UA are associated with the area illuminating section 37 and the main light irradiating section 1 of the unit area UA It is further equipped with an associating part 3 8 as 1
- the individual light irradiation mode data acquisition unit 36 is the light irradiation unit.
- the light irradiation state on the target area A by the light irradiation and irradiation from 11 is acquired from the target area image in advance as individual light irradiation mode data (FIG. 14).
- Steps ST11 to ST19) Specifically, first, the light irradiating section 11 of the stipulated-1 is to radiate light from the power 1 to 7 and the power level of the mouth Is divided into multiple stages, here, for example, three stages.
- the image device 2 Whenever 1 is turned on, the image device 2 captures an image of the target area A. From the image information, the brightness of the target area A for each supply power level is determined. ⁇ The captured brightness distribution data contains location information and brightness information as a pair. Note This will be missed in the specified area of y. O This will be performed sequentially for all the lights.
- the maximum value of the brightness and the position of the brightness are specified from the brightness distribution unit, and this is identified by the Mitsuaki 1, , Which is the center of the illumination of the radiating section 11 (step ST21 in FIG. 15) 0 or ⁇ ⁇
- a predetermined brightness as shown by a graph • in FIG. 11 Identify the part to be clarified, and set that area as the irradiation area of the irradiating and emitting part 11 (Fig. 15 Step ST22) o
- the maximum brightness value is assumed to be 100, for example, and the brightness ratio component indicating the distribution of the brightness ratio to the maximum brightness value. If: The data is written in the U Generated for each power level from the data T ( Figure 15 Step S ⁇ 2 3) o 12 The ratio V is made into a columnar shape, and the calculation is performed by using, for example, the least squares method. The individual light irradiation mode V before data including brightness information is generated as a table as shown in Fig. 16 (Fig. 15 Step s ⁇ 24-
- the light irradiation unit identifier for identifying each light irradiation unit 11 is paired with Individual light illumination and shooting mode specified in
- the unit area dividing section 37 divides the target area A into a plurality of unit areas uA.
- ⁇ as schematically shown in FIG. 13 ⁇ ⁇ a light irradiator that irradiates each unit area UA with light based on the individual light irradiation mode. 11
- the numbers or types of 1 are different from each other.
- the above-mentioned target area A is defined for each area where the shape of the overlap is different, and the unit area UA is defined as Set (No.
- the centering portion 38 for each J radiates the light to the unit area UA by defining the main light irradiating section 11 corresponding to each unit area UA.
- the light irradiating section 11 is the most light
- the one giving the 3 ⁇ 4 is selected based on the individual light and the radiation V data.
- ⁇ The main light irradiating part 11 which is centered on the unit area UA. (Fig. 15 Step ST 26)
- the light amount adjusting operation of the first embodiment is almost the same as that of the first embodiment.
- the imaging device 2 images the target area A, and transmits the target area image to the light quantity control unit 3 as an image signal.
- the image division unit 31 is divided into the IJ unit area division unit 3
- the image signal is divided into unit area image signals for each unit area U A based on the result of the division by 7
- a representative value calculating section 32 calculates a representative value of the brightness (m-degree level) of each unit area image from the signal.
- the comparison section 33 is pre-determined, and the target value of brightness (in this embodiment, the entire target area A is set to the target value such as U) and the representative value of each unit area image
- the flow controller 34 controls each representative value to approach the target value and controls the corresponding main light and the supply current to the emitter 11. Specifically, the flow control section 34 sets the individual light irradiation mode parameter as a parameter.
- the supply current is blinded and output so that the representative value and the reference value are within the permissible vehicle Q range from the brightness at the center position obtained therefrom.
- the light of the light irradiating device 1 is fixed and the light is fixed. Inspection of the hook is carried out.
- the light irradiation unit 11 is manufactured by
- Each light is different, and individual light to the target area of the irradiation part 11
- the irradiation mode is measured in advance prior to the light quantity control, and each light irradiation unit is set according to the individual light irradiation mode.
- the image device 2 is used to divide the wide target area A
- the advance f Excellent in 2 Based on the image obtained by the imaging device 2 with the higher priority, the corresponding recording light and projection unit The light amount of the area 1 is controlled, and the image of the area to be overlapped with the object area A to be imaged by the image device 2 of the lower priority is controlled. It is preferable to control the light amount of the light irradiation unit 11 corresponding to the other area as a reference.
- Figure 18 shows the highest position of the image device 2 located at the end, and the field ⁇ with the priority assigned to it. 0 In this case, the image device 2 Based on the obtained image, the light irradiating part 11 (to be more specific, the light irradiating part in the figure)
- the light emitting part N ⁇ 3 that is centered on the part a) is also controlled, so its light quantity is determined.0
- the image obtained with the next highest priority image device next to the second in the priority order The light intensity of the light emitting part 1 1 (specifically, the light emitting part N ⁇ 3 light irradiating part N ⁇ 4 light irradiating part ⁇ ⁇ 5)
- the light intensity of the light irradiator ⁇ 3 is already determined by the light intensity controller 3
- the “ ⁇ -image device 2 is the next highest priority, and the light irradiating unit 1 1 1 Control the
- FIG. 19 shows a case where the imaging device 2 located in the middle has the highest priority.
- the light irradiating unit 11 (to be more specific, the light irradiating unit NO 3 N ⁇ 4, N
- the light irradiation units NO 3 and N ⁇ 5 which are centered on the heavy R and R components, are also controlled. Determine .
- the second highest priority is the light irradiating unit 1 1 (specifically, this is the light irradiating unit in the figure).
- the light irradiating sections 11 corresponding to the other areas (specifically, the light irradiating sections No 1 ⁇ NO 2, N ⁇ 6 ⁇ NO 7), and if there is an imaging device 2 next to it, ⁇ that imaging device 2 will have the next highest priority.
- the light irradiator 11 corresponding to the following is controlled by the procedure
- the priority is given in order from the power of the adjacent P, and the light amount control is performed in that order. It will be done one after another.
- the control of the light irradiating section 11 can be reliably performed in the overlapping area, so that each of the imaging devices can be controlled. It is possible to obtain a unified image of the brightness at a glance from the two.
- the hook is a BATCH
- the light receiving device such as CCD etc. ⁇ .
- a BX light emitting device As shown in Fig. 20, use a BX light emitting device, a light emitting device (not shown), and a light emitting device 1 in which a plurality of light emitting portions 11 are arranged on a partially concave spherical surface as shown in Fig. 20. People who can do
- the target area A is divided into a unit area UA that is separated by the dotted line in the figure. You only have to define it.
- the light Can diffuse the diffuser plate ⁇
- each of the light emitting ends of each L-D or each optical fiber is a light source. It is also possible to control ⁇
- each part constituting the light quantity control unit can be changed to its own, and it is not necessary for these to be present in the body, for example, the light quantity control unit.
- Source and flow control unit
- the comparison result signal from the comparison section to the current control section should be transmitted by a signal cable to the transmitter side.
- a signal cable to the transmitter side.
- each part of the light amount control unit is configured using a ⁇ digital and an analog circuit. You can use a computer and use the software.
- the control is performed only at the initial timing, and the control is performed only at the initial timing.
- the control is performed intermittently. Even if during the inspection, it is acceptable to always control the light intensity continuously. Even if the model is changed, it is possible to respond quickly, and it is possible to use a light that is easy to read to compensate for the deterioration of the light.
- the brightness of the unit area image may be affected by other light irradiating parts other than the center light irradiating part.In consideration of the influence, the brightness of the unit area image is also taken into consideration. It is permissible to control by adding other light irradiating units to the control, and then illuminate the light irradiating unit and irradiating unit one by one in advance. It is desirable to measure the effect of light irradiation on other unit areas.
- the light irradiation device 1 the light irradiation device 1
- the LED 5 is directly attached to the casing 7 so that the optical
- BX may be arranged inside the fiber sing. By doing so, it is not necessary to route heavy fibers and fiber bundles that are made up of a large number of optical fibers to the outside, so that the weight and the usability are improved.
- ⁇ Each irradiation
- Part 1 1 Each. Eliminates the 1st field and is configured to obtain more uniform light.
- each light irradiating part Light irradiation by each light irradiating part
- the control part s is easier if the weight P part of the area surrounding the light i is small, but on the contrary, the light irradiating part is very
- the brightness distribution can be very smooth, for example, to increase the uniformity of the brightness distribution. It is very easy to control
- the brightness information included in the individual light irradiation mode y is set as the position, the supplied power, and the light irradiation unit identifier as parameters.
- the table is written as 1'5, for example, only the brightness information at the center position is stored in the table.
- Holo force and light irradiation identifier are available. It should be noted that it should be noted as a radiator when controlling the amount of light in a location away from the center. Even if the brightness information is calculated each time as being proportional to the brightness data, the present invention is not limited to the above example. Various changes are possible in the car surroundings that do not escape from the taste
- the present invention it is possible to reduce or eliminate as much as possible the image correction such as the shading correction on the image processing apparatus side. This can prevent the sublimation of the inspection accuracy caused by image deterioration during the correction, and the image processing device can concentrate on the image processing required for the original inspection. Because of this, it is possible to significantly reduce the inspection time and improve the inspection individuality.
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Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03772795A EP1566629B1 (en) | 2002-11-14 | 2003-11-14 | Light intensity adjusting system |
JP2004551236A JP4444838B2 (ja) | 2002-11-14 | 2003-11-14 | 光量調整システム |
AU2003280810A AU2003280810A1 (en) | 2002-11-14 | 2003-11-14 | Light intensity adjusting system |
US10/534,613 US7643746B2 (en) | 2002-11-14 | 2003-11-14 | Light intensity adjusting system |
DE60324317T DE60324317D1 (de) | 2002-11-14 | 2003-11-14 | System zur einstellung der lichtintensität |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-331413 | 2002-11-14 | ||
JP2002331413 | 2002-11-14 |
Publications (1)
Publication Number | Publication Date |
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WO2004044565A1 true WO2004044565A1 (ja) | 2004-05-27 |
Family
ID=32310622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/014552 WO2004044565A1 (ja) | 2002-11-14 | 2003-11-14 | 光量調整システム |
Country Status (7)
Country | Link |
---|---|
US (1) | US7643746B2 (ja) |
EP (1) | EP1566629B1 (ja) |
JP (2) | JP4444838B2 (ja) |
AT (1) | ATE412172T1 (ja) |
AU (1) | AU2003280810A1 (ja) |
DE (1) | DE60324317D1 (ja) |
WO (1) | WO2004044565A1 (ja) |
Cited By (4)
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JP2009218169A (ja) * | 2008-03-12 | 2009-09-24 | Tokyo Electric Power Co Inc:The | フルネルレンズを用いた面照明装置 |
CN103185727A (zh) * | 2011-12-31 | 2013-07-03 | 芝浦机械电子装置股份有限公司 | 检查装置及检查方法 |
JP2014154438A (ja) * | 2013-02-12 | 2014-08-25 | Dainippon Printing Co Ltd | 照明制御装置、照明制御方法、照明制御装置用のプログラム、および、照明システム |
JP2016075608A (ja) * | 2014-10-08 | 2016-05-12 | 倉敷紡績株式会社 | 検査装置 |
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US7751612B2 (en) | 2006-10-10 | 2010-07-06 | Usnr/Kockums Cancar Company | Occlusionless scanner for workpieces |
JP5802655B2 (ja) * | 2009-05-14 | 2015-10-28 | コーニンクレッカ フィリップス エヌ ヴェ | 照明を制御するための方法、照明システム、画像処理装置及びコンピュータプログラム |
WO2012149243A1 (en) | 2011-04-29 | 2012-11-01 | Siemens Healthcare Diagnostics Inc. | High flux collimated illuminator and method of uniform field illumination |
CN103901043B (zh) * | 2012-12-24 | 2017-03-01 | 台达电子工业股份有限公司 | 检查设备 |
JP6387589B2 (ja) * | 2013-08-30 | 2018-09-12 | 株式会社リコー | 画像形成装置、車両、及び画像形成装置の制御方法 |
AU2014202744B2 (en) | 2014-05-20 | 2016-10-20 | Canon Kabushiki Kaisha | System and method for re-configuring a lighting arrangement |
US11308601B2 (en) * | 2015-04-29 | 2022-04-19 | Emhart Glass S.A. | Container inspection system with individual light control |
WO2018127971A1 (ja) * | 2017-01-06 | 2018-07-12 | 株式会社Fuji | 撮像用照明装置 |
TWI663580B (zh) * | 2017-12-01 | 2019-06-21 | Getac Technology Corporation | 監視系統的控制方法 |
JP7077635B2 (ja) * | 2018-01-26 | 2022-05-31 | 王子ホールディングス株式会社 | シート状物の欠陥検査装置及び製造方法 |
JP6775273B2 (ja) * | 2018-08-30 | 2020-10-28 | 株式会社アイテックシステム | ライン状照明装置、その製造方法および検査方法 |
ES2916577T3 (es) | 2019-02-27 | 2022-07-01 | Ivoclar Vivadent Ag | Dispositivo de estereolitografía y un procedimiento para ajustar un dispositivo de estereolitografía |
KR102228081B1 (ko) * | 2019-10-23 | 2021-03-16 | 휴멘 주식회사 | 인쇄물 검사 시스템 및 인쇄물 검사 방법 |
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2003
- 2003-11-14 AU AU2003280810A patent/AU2003280810A1/en not_active Abandoned
- 2003-11-14 JP JP2004551236A patent/JP4444838B2/ja not_active Expired - Fee Related
- 2003-11-14 AT AT03772795T patent/ATE412172T1/de not_active IP Right Cessation
- 2003-11-14 US US10/534,613 patent/US7643746B2/en not_active Expired - Fee Related
- 2003-11-14 EP EP03772795A patent/EP1566629B1/en not_active Expired - Lifetime
- 2003-11-14 WO PCT/JP2003/014552 patent/WO2004044565A1/ja active Application Filing
- 2003-11-14 DE DE60324317T patent/DE60324317D1/de not_active Expired - Lifetime
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2009
- 2009-07-07 JP JP2009160777A patent/JP4859958B2/ja not_active Expired - Fee Related
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JPS63184171A (ja) * | 1987-01-26 | 1988-07-29 | Omron Tateisi Electronics Co | 照明制御装置 |
JPH01297534A (ja) * | 1988-05-25 | 1989-11-30 | Matsushita Electric Ind Co Ltd | 面発光装置 |
JPH04248449A (ja) * | 1991-02-04 | 1992-09-03 | Sumitomo Heavy Ind Ltd | 成形品の外観検査装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009218169A (ja) * | 2008-03-12 | 2009-09-24 | Tokyo Electric Power Co Inc:The | フルネルレンズを用いた面照明装置 |
CN103185727A (zh) * | 2011-12-31 | 2013-07-03 | 芝浦机械电子装置股份有限公司 | 检查装置及检查方法 |
JP2014154438A (ja) * | 2013-02-12 | 2014-08-25 | Dainippon Printing Co Ltd | 照明制御装置、照明制御方法、照明制御装置用のプログラム、および、照明システム |
JP2016075608A (ja) * | 2014-10-08 | 2016-05-12 | 倉敷紡績株式会社 | 検査装置 |
Also Published As
Publication number | Publication date |
---|---|
US7643746B2 (en) | 2010-01-05 |
EP1566629A1 (en) | 2005-08-24 |
JPWO2004044565A1 (ja) | 2006-03-16 |
JP4444838B2 (ja) | 2010-03-31 |
ATE412172T1 (de) | 2008-11-15 |
DE60324317D1 (de) | 2008-12-04 |
EP1566629B1 (en) | 2008-10-22 |
AU2003280810A1 (en) | 2004-06-03 |
EP1566629A4 (en) | 2006-10-18 |
JP2009222728A (ja) | 2009-10-01 |
JP4859958B2 (ja) | 2012-01-25 |
US20060050499A1 (en) | 2006-03-09 |
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