WO2004019617A1 - 画像比較装置、画像比較方法および画像比較をコンピュータにて実行させるためのプログラム - Google Patents
画像比較装置、画像比較方法および画像比較をコンピュータにて実行させるためのプログラム Download PDFInfo
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- WO2004019617A1 WO2004019617A1 PCT/JP2003/010531 JP0310531W WO2004019617A1 WO 2004019617 A1 WO2004019617 A1 WO 2004019617A1 JP 0310531 W JP0310531 W JP 0310531W WO 2004019617 A1 WO2004019617 A1 WO 2004019617A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
- G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30144—Printing quality
Definitions
- Image comparison apparatus image comparison method, and program for causing a computer to execute image comparison
- the present invention relates to an image comparison apparatus, an image comparison method, and a program for causing a computer to execute an image comparison, using the sample reference image to compare images for comparison.
- This image comparison device stores a plurality of images (hereinafter referred to as comparison images) captured from a television camera as digital data, and in this case, an image of half of the reference image and the comparison image are stored. By extracting half of the images and pasting them together and displaying them as one image on the monitor, you can easily check whether the left and right images match or not. It is being done.
- the object of the present invention is to simplify the alignment of the reference image and the comparison image, or to automatically match the parts to be compared of the comparison image under the same conditions as the reference image, and to obtain an image with high accuracy. It is an object of the present invention to provide an image comparison apparatus, an image comparison method, and a program for causing a computer to execute the image comparison, which can perform comparison.
- an image comparison apparatus comprising: an observation image capturing means for capturing one of a macroscopic observation image and a microphone oral observation image of a sample; and the observation image capturing means.
- An imaging means for taking an observation image captured by the user, a recording means for recording a reference image prepared in advance, and an observation image taken by the imaging means are displayed as a comparison image
- the reference image is corrected so that the display means and the position and magnification of the reference image recorded in the recording means are the same as the comparison image displayed on the display means, and the comparison with the comparison image is performed.
- Control means for enabling the display means to display It is characterized by having
- an image comparison device comprising: an observation image capturing means for capturing one of a macroscopic observation image and a mic oral observation image of a sample; An imaging means for taking an observation image captured by means; a recording means for recording a reference image prepared in advance; a display means for displaying the reference image recorded in the recording means; The comparison image is corrected so that the position of the observation image taken by the means and the magnification of the observation image are the same as the reference image displayed on the display means so that the display can be compared with the reference image.
- the controller is characterized by including control means to be displayed on the means.
- An image comparison apparatus is an observation image capturing means for capturing one of a macroscopic observation image and a microphone oral observation image of a sample, and the observation image capturing means.
- An image pickup means for photographing an observation image taken in; a recording means for recording an observation image photographed by the image pickup means and an observation condition by the observation image pickup means and the image pickup means
- display means for displaying the observation image recorded in the recording means as a reference image, and the observation image taking-in means and the imaging means based on the observation conditions of the observation image recorded in the recording means.
- a control means for reproducing the state and displaying the observation image taken by the imaging means as the comparison image on the display means so as to be comparable with the reference image; It is characterized.
- an image comparison device comprising: an observation image capturing means for capturing a micro-oral observation image of a sample; A recording means for recording an observation image taken by the imaging means, an observation image taken by the imaging means, and an observation condition by the observation means and the imaging means; Means and a display means for displaying the observation image recorded in the recording means as a reference image, and the observation image taking means and the imaging means based on the observation conditions of the observation image recorded in the recording means And reproducing the state, and further comprising control means for causing the display means to display the observation image taken by the imaging means as a comparison image so as to be comparable to the reference image. doing.
- the image comparison method incorporates one of a mask oral observation image and a microphone oral observation image of a sample, and also incorporates the acquired observation image.
- the photographed observation image is displayed on the display means as a comparison image, and the position and magnification of the reference image prepared in advance are the same as the comparison image displayed on the display means. It is characterized in that correction is made so as to be displayed on the display means so that it can be compared with the comparison image.
- an image comparison method comprising taking one of a mask oral observation image and a microphone oral observation image of a sample and capturing the observation image. And a reference image prepared in advance is displayed on the display means, and the position and magnification of the observation image to be photographed are corrected and compared so as to be the same as the reference image displayed on the display means. It is characterized in that the image is displayed on the display means so as to be comparable to the reference image.
- an image comparison method comprising: taking one of a mask oral observation image and a microphone oral observation image of a sample; The captured observation image is photographed, and the photographed observation image is recorded together with the observation condition of the observation image, and the recorded observation image is displayed on the display means as a reference image.
- the state of capturing the observation image and imaging is reproduced based on the observation conditions of the recorded observation image, and the observation image captured in this state is referred to as a comparison image. It is characterized in that it is displayed on the display means so that it can be compared with an image.
- the image comparison method is a method of capturing a micro-viewing image of a sample as well as capturing the captured observation image and capturing the image.
- An observation image is recorded together with the observation conditions of the observation image, and the recorded observation image is displayed on the display means as a reference image, based on the observation conditions of the observation image recorded.
- the present invention is characterized in that the state of capturing and capturing the observation image is reproduced, and the observation image taken in this state is displayed on the display means as a comparison image so as to be compared with the reference image. ing.
- a program according to a ninth aspect of the present invention is a program for causing a computer to execute an image comparison, wherein a macroscopic observation image of the sample and a mirror image are obtained by the observation image capturing means. While one of the observation images is taken in, the taken-in observation image is taken by the imaging means, and the taken observation image is displayed as a comparison image. The position and magnification of the reference image prepared in advance are corrected so that they are the same as the comparison image displayed on the display means, and the comparison image can be compared with the comparison image. It is characterized in that it is displayed on the display means.
- the program according to the tenth aspect of the present invention is an image comparison program. .
- a program to be executed by a computer wherein one of a macroscopic observation image of the sample and a microscopic oral observation image of the sample is taken in by the observation image taking means;
- the taken observation image is taken by the imaging means and the reference image prepared in advance is displayed on the display means, and the position and magnification of the taken observation image are displayed on the display means.
- the reference image is corrected to be the same as the displayed reference image, and is displayed on the display means as a comparison image so as to be comparable to the reference image.
- a program according to a first aspect of the present invention is a program for causing a computer to execute an image comparison, which is a program for observation of a sample by observation image capturing means.
- the imaging means captures the observation image captured by the imaging means, and the observation image captured by the imaging means Are stored in the recording means together with the observation image acquisition means and the observation conditions by the imaging means, and the observation image recorded in the recording means is displayed on the display means as a reference image.
- the states of the observation image taking means and the imaging means are reproduced based on the observation conditions of the observation image recorded in the recording means, and the observation image taken by the imaging means is compared with the comparison image.
- the display means comparably to the reference image Les characterized a call to be displayed, Ru.
- a program according to a twelfth aspect of the present invention is a program for causing a computer to execute image comparison, which is a program for microscopically observing a sample by means of an observation image acquisition means.
- the captured image is captured by the imaging means.
- the observation image taken by this imaging means is stored in the recording means together with the observation image taking-in means and the observation conditions by the imaging means, and the observation image recorded in the recording means is taken as a reference image.
- FIG. 1 is a block diagram of a microscope image comparison apparatus according to a first embodiment of this invention.
- FIG. 2 is a diagram showing a system configuration of the microscope image comparison device of the first embodiment.
- FIG. 3 is a view showing a display example of a monitor used in the first embodiment.
- FIGS. 4A to 4F show display examples for comparing the reference image and the comparison image in the first embodiment.
- FIGS. 4A to 4F show display examples for comparing the reference image and the comparison image in the first embodiment.
- FIGS. 5A to 5F are diagrams showing display examples for comparing another reference image and a comparison image in the first embodiment.
- 6A to 6D are diagrams showing display examples for comparing a comparison image with other reference images in the first embodiment.
- Fig. 7 is a flowchart to explain the overlap processing in the first embodiment.
- FIG. 8 is a view showing another display example for comparing the reference image and the comparison image in the first embodiment.
- FIGS. 9A to 9E are diagrams for explaining a method of matching the position and magnification of the reference image and the comparison image in the first embodiment.
- FIG. 10 is a flowchart for explaining a method of matching the position and magnification of the reference image and the comparison image in the first embodiment.
- FIG. 11 is a diagram showing a system configuration of a microscopic image comparison apparatus according to a second embodiment of the present invention.
- FIGS. 12A to 12E are diagrams for explaining a method of matching the position and magnification of the reference image and the comparison image in the second embodiment.
- Fig. 13 is a flowchart explaining how to match the positions and magnifications of the reference image and the comparison image in the second embodiment.
- Fig. 14 is a view showing a display example of a monitor used in the third embodiment.
- FIG. 15 is a flowchart to explain the operation of the third embodiment.
- Figure 16 is a flow chart for explaining the operation of the third embodiment.
- Fig. 17 is a flowchart for explaining the operation of the third embodiment.
- Figure 18 is a flowchart for explaining the operation of the third embodiment.
- FIG. 1 is a block diagram of a microscopic image comparison device as an image comparison device to which the present invention is applied.
- an observation apparatus 1 comprising a microscope for observing a sample (not shown) takes in a microscopic observation image as a means for taking a microscopic observation image of the sample as a means for taking a microscopic observation image.
- Macro observation unit 2 and macro observation unit 3 as macro observation image acquisition means for taking macro observation images of samples, and imaging means I have a TV camera 4 and I will play it.
- the TV camera 4 captures an observation image of a micro or macro taken respectively by the micro observation unit 2 or the macro observation unit 3 and takes an image. Output as a digital image to the computer 5 of the control means.
- the computer 5 has an image input board 6, a video card 7, a RAM 8, a CPU 9, a recording medium 10, an interface 1 1 and a bus 1 2, and the TV camera 4 Digital image of the power source is taken to the image input board 6, and the captured digital image is stored in the RAM 8 or the monitor 1 3 as display means via the video card 7 Display as a still image or moving image (The moving image shows the moving image of the video camera of TV camera 4).
- the recording medium 10 a plurality of digitized reference images prepared in advance and a program 10 a such as a text identification support software described later are recorded. After being read, the program 10a recorded in the recording medium 10 is temporarily stored in the RAM 8 via the memory 12 and executed by the CPU 9 to compare the image. I do .
- FIG. 1 is connected to keyboard 1 4 and mouse 1 5, which are used to input instructions for executing program 1 0 a.
- Fig. 2 is a diagram showing the system configuration of the microscope image comparison device as described above, and the same reference numerals are given to the same parts as Fig. 1.
- the observation device 1 is configured by integrating the micro observation unit 2 and the mark oral observation unit 3 into one.
- the micro observation 2 is used as a micro observation image acquisition means for observing a magnified image of precise printing and processing of a sample.
- the mix mouth 2 is provided with an objective lens 21 disposed opposite to the sample (not shown) placed on the base 20.
- the precise printing and processing of the sample is magnified through the objective lens 2 1.
- the magnified image of the sample is made visible by the eyepiece lens 2 2 and taken by the TV camera 4, and then taken to the computer main unit 5. It is configured to be included.
- polarized illumination 2 3 illuminates the sample placed on the base 2 0 along the optical axis of the objective lens 2 1.
- the epi-illumination 2 4 illuminates the sample from a position off the optical axis of the objective lens 2 1.
- the transmitted illumination 25 illuminates the sample in the direction from the inside of the base 20 to the objective lens 21. It is possible to observe the outer shape of the sample and the image transmitted through the sample by means of the transmitted illumination 2 5.
- the epi-illumination 2 6 is an illumination for observing a fluorescent image, and the epi-illumination 2 6 enables observation of a special print on which a sample is subjected to fluorescent printing and the like.
- the oblique illumination 2 7 illuminates the sample obliquely, and the irregular illumination 2 7 enables observation of special processing with irregularities such as marking on the specimen.
- micro control box 3 7 for polarized illumination 2 3, epi illumination 2 4, transmitted illumination 2 5, epi fluorescent illumination 2 6, and oblique illumination 2 7 You can adjust lighting, extinguishing and brightness.
- Macro observation 3 is used as a macro observation image acquisition means for observing a sample over a relatively wide field of view.
- the macro observation unit 3 has the macro lens 2 9 disposed opposite to the sample (not shown) placed on the base 2 8.
- the image of the sample is led to the light path on the micro observation window 2 side through the lens for lens opening 2 9 and the focus for handling the lens for opening 3 6, and the eyepiece
- the lens can be visually observed by the lens 2 2, and it is also photographed by the TV power mel 4 and incorporated into the PC 5.
- a polarized illumination 30, an epi-illumination 31, a transmitted illumination 32, an epi-fluorescent illumination 33 and a polarized illumination 34 are prepared.
- the polarized illumination 30 illuminates the sample placed on the base 2 8 along the optical axis of the macro lens 2 9.
- the epi-illumination 31 illuminates the sample from a position off the optical axis of the macro lens 2 9.
- the transmitted illumination 32 illuminates the sample in the direction from the base 2 8 internal force to the macro lens 2 9.
- the epi-illumination fluorescent light 33 is a light for observing a fluorescent image, and the epi-illumination fluorescent light 33 can be used to observe special printing on which a sample is subjected to fluorescent printing or the like.
- the oblique illumination 3 4 illuminates the specimen obliquely, and with the oblique illumination 3 4 it is possible to observe special processing with unevenness, such as the marking of the specimen.
- Macro Control Box 3 5 for polarized illumination 30 For the operation with Macro Control Box 3 5 for polarized illumination 30, epi illumination 3 1, transmitted illumination 3 2, epi fluorescent illumination 33 3, and oblique illumination 34 4 You can turn on, turn off, and adjust the brightness.
- Figure 3 shows the GUI displayed on the monitor 1 3 when the image comparison software for program 1 0 a (see Figure 1) recorded on the recording medium 1 0 is started. ) It is a figure showing an example of 4 1.
- G U I 4 1 as shown in FIG. 3 is displayed as a Windows screen using, for example, an operating system such as Microsoft's Windows system.
- G U I 4 1 has a still image display area 4 2 as a first image display area and a moving image display area 4 3 as a second image display area.
- a digital image can be displayed as a still image as a reference image.
- the “reference image” may be, for example, an image obtained by photographing a forged part of text or a sample of a printed material with the T V camera 4 or a real sample with the T V camera 4.
- the reference image is recorded in advance as a digital image on the recording medium 10 of the computer main unit 5 and is recorded.
- the moving image display area 43 can display a moving image taken by the TV camera 4 as a comparison image.
- the “comparison image” is the image (moving image) of the sample that you want to observe.
- the observation image of the sample taken with the micro observation unit 2 or the macro observation unit 3 by using a microphone or mask is used as a TV camera 4
- the moving image taken in the above is a comparison image.
- the image taken with the TV camera 4 in order to obtain a comparison image may be either the micro observation 2 side or the macro observation 3 side, and it should be The observer can arbitrarily select the person who wants to observe.
- the moving image display area 43 can display moving images, but it is also possible to temporarily display as a still image after moving the sample to determine the position to be observed. .
- G U I 4 1 has an observation image display area 4 4 as a third image display area.
- the observation image display area 4 4 the still image displayed in the still image display area 4 2 and the moving image displayed in the moving image display area 4 3 can be displayed by various display methods as described below. It is possible to display it.
- 4A to 9A to 9E are diagrams for explaining various display examples in the observation image display area 4 4.
- FIG. 4A to 4F show display examples in the case where the reference image of the still image display area 4 2 and the comparison image of the moving image display area 4 3 in the observation image display area 4 4 are arranged side by side and compared.
- FIG. 4A is a diagram showing a reference image of the still image display area 42.
- the left half is a still image left 4 2 L
- the right half is a still image right 4 2 R.
- Fig. 4B is a diagram showing a comparison image of the moving image display area 43.
- the left half of the image is taken as the left 4 3 L and the right half is taken as the right 4 3 R.
- Fig. 4C is a diagram showing the observation image in the observation image display area 44.
- the reference image of the still image left 4 2 L is displayed in the left half of the observation image, and the moving image right is displayed in the right half.
- 4 3 R comparison image is displayed ing.
- the left half shows the comparison image of the video right 4 3 R
- the right half shows the still image of the left 4 2 L reference image.
- the left half shows the comparison image of the left 4 3 L
- the right half shows the reference image of the right 4 2 R still image.
- the reference image of the still image right 4 2 R is displayed in the left half
- the comparison image of the video left 4 3 L is displayed in the right half.
- the image on the left of the movie 4 3 L and the image on the movie right 4 3 R are images in which the images taken with the TV camera 4 are displayed in real time (video rate). Since it is an image, it is possible to align the position you want to observe to the still image left 42 L or the still image right 42 R while moving the sample. It is also possible to compare moving pictures as still pictures temporarily when the positions of the still picture and the moving picture are aligned.
- the left and right split ratio are made the same, but it is also possible to change the split ratio.
- Fig. 4C it is possible to narrow the width of the still image left 4 2 L and widen the width of the movie right 4 3 R.
- FIG. 5A to 5F show display examples in the case where the reference image of the still image display area 4 2 and the comparative image of the moving image display area 4 3 in the observation image display area 4 4 are vertically aligned and compared.
- FIG. 5A is a diagram showing a reference image of the still image display area 42.
- the upper half of the reference image is the upper part of the still image 42 U, and the lower half is the lower part of the still image 42 D.
- Fig. 5B is a diagram showing a comparative image of the moving image display area 43.
- the upper half of the video is 43 U above the video, and the lower half is 4 3 D below the video.
- Fig. 5C is a diagram showing the observation image in the observation image display area 44.
- the reference image of 42U on the still image is displayed in the upper half, and the lower half is A comparison image of 4 3 D below the movie is displayed.
- the lower half of the 3 4 D comparison image is displayed in the upper half, and the lower half is the reference image of 4 2 U on the still picture.
- the upper half shows the comparison image of 4 3 U above the moving picture
- the lower half shows the reference image of 4 2 D below the still picture.
- the lower half of the still image is a reference image of 4 2 D
- the lower half is a comparison image of 43 U above the moving image.
- the images taken with the TV camera 4 are displayed in real time (video rate) for the 43 U video and the 43 D video, respectively, and the sample is moved. While doing this, you can align the position you want to observe to 4 2 U on the still image or 4 2 D on the still image. It is also possible to compare temporarily as a still image when the still image and the moving image are aligned.
- the screen display changes shown in Figure 4 A to 4 F and 5 A to 5 F can be made by clicking the icon 45 on the GUI 41, for example, "split display”. You can do it easily.
- FIG. 14 is a diagram showing a display example in the case of overlapping and displaying an image and.
- Figure 6A shows the observation image of the observation image display area 4 4.
- Fig. 6A only the still image 4 2 A, which is the reference image of the still image display area 4 2, is displayed.
- Fig. 6B is a display example of the overlap image 46a, and details of a still image 4 2 A and a moving image 4 3 B (Fig. 6 D) which is a comparison image of a moving image display area 4 3 Is added as described later, and an overlap image 46a is displayed.
- the addition of the two images is done as follows.
- the brightness of one pixel with the A image is I a (X, y)
- the same position of the B image Let the luminance I b (x, y) of the pixel.
- the luminance I (, y) of the overlap image is
- the ratio of still images 42A (that is, the brightness, hereinafter referred to as "ratio") is larger than the ratio of moving images 43B, so still images 4 2 A's image looks clearer.
- the ratio of the still image 4 2 A is smaller than the ratio of the moving image 4 3 B, unlike the overlap image 4 6a described above. Because of this, the image of moving image 4 3 B will look more clearly. From this, the proportion of still images 4 2 A is increased Finally, only the still image 4 2 A shown in FIG. 6 A is displayed. Conversely, if the proportion of moving image 4 3 B is increased, the moving image 4 in FIG.
- the overlap ratio of the still image 4 2 A and the moving image 4 3 B recorded on the recording medium 10 is read out (step 7 0 1).
- the overlap ratio is determined by the values of m and n in the above equation.
- the still image 4 2 A and the moving image 4 3 B are added together at the read over lap ratio (also simply referred to as a “ratio”) and synthesized and displayed in the observation image display area 4 4 Yes (Step 7 0 2).
- the ratio is calculated for all pixels of the image by the above-mentioned equation, and the result is displayed.
- Check if the ratio has been updated by the operation of slider 4 7 shown in Fig. 3 (step 7 0 3).
- the ratio of overlap can be easily adjusted by the operator moving slider 4 7 on G U I 4 1 shown in Fig.3. If the ratio is changed by the operation of slider 4 7 in step 7 03, the slider
- step 7 0 1 for the same process. If the ratio does not change at step 703, proceed to step 700 and check if the overlap processing is finished. If not finished in step 7 05, return to step 7 0 3 The same process is repeated. In step 750, when it is finished, the series of processing of overlap is finished.
- the reference image and the comparison image are added, superimposed, and displayed in an overlapping manner, for example, by displaying the real product and the counterfeit print in an overlapping manner, the difference between the two can be displayed. It is easy to find visually.
- FIG. 8 is a view showing a display example when comparing both images.
- An image switching display means for alternately switching the reference image and the comparison image will be described.
- the reference image displayed in the still image display area 4 2 is displayed as the still image 4 2 E in the observation image display area 4 4.
- the comparison image displayed in the moving image display area 4 3 is displayed as the moving image 4 3 F in the observation image display area 4 4 after a predetermined time.
- the image switching display further displays a still image 4 2 E after a certain period of time.
- the image switching display performs the above-described processing continuously.
- the image switching display process can execute the program by, for example, clicking a predetermined icon on the G U I 4 1 displayed on the monitor 13.
- the image switching time can be changed to an arbitrary value by inputting the constant time interval described above by G U I 4 1 ⁇ ⁇ .
- the reference image and the comparison image are displayed side by side or up and down or alternately displayed at certain time intervals and displayed while comparing both images. If the position or magnification is not correct, accurate comparison may not be possible.
- the observer manipulates the stage to move the position of the sample, and the magnification changes the magnification of the objective lens of the microscope. Make adjustments, etc.
- a method is adopted in which the comparison image (moving image) is combined with the reference image in the still image display area 42.
- this method it is difficult and time-consuming to match the position and magnification of the comparison image magnified at high magnification.
- the image is very dark, and image integration is performed to display a moving image. Because of this, processing takes time, and after the position of the sample has been moved by manipulating the stage, a time lag occurs before the display is moved, so the images are aligned. And become more difficult.
- FIGS. 9A to 9E are diagrams showing a correction method in the case where the image positions and magnifications of the reference image of the still image display area 4 2 and the comparison image of the moving image display area 4 3 are deviated.
- This correction method will be described with reference to the flowcharts shown in FIG. 9A to FIG. 9E and FIG. 10.
- Still image which is a reference image of the still image display area 42 shown in FIG. 9A.
- Image 4 2 G and moving image 4 3 G shown in Fig. 9 B are comparative images of moving image 4 3 G characteristic position Two points are compared by comparing the position of still image 4 2 G, magnification Perform image processing to match moving image 4 3 G by changing.
- the observer clicks the characteristic first position 4 3 G-1 1 of the moving picture 4 3 G shown in FIG. 9 B on the screen of the monitor 13 using the mouse 1 5 ( Step 1 0 0 1).
- the observer uses the mouse 1 5 to display the still image 4 2 G shown in FIG. 9 A and the characteristic first position 4 3 G of the moving image 4 3 G on the screen of the monitor 13. -Click the position corresponding to 1 1 as the first position 4 2 G-1 1 (step 1 0 0 2).
- step 1003 it is determined whether these characteristic first positions 4 3 G — 1 1 and 4 2 G — 1 1 are aligned.
- the moving image display area 43 and the still image display area 42 are regarded as the same area, and it is determined whether the first positions 4 3 G — 1 1 and 4 2 G — 1 1 are satisfied. .
- step 1003 if the positions do not match, image processing is performed to move the still image 4 2 G in the still image display area 4 2 in the X and Y directions, and Match the 1st position 4 2 G 1 1 1 with the 1st position 4 3 G-1 1 of the moving image display area 4 3 3 4 3 G where 1 1 is regarded as the same area (step 1 0 0 4 ).
- FIG. 9C is a view showing the display in the still image display area 4 2 after the above-mentioned image processing. As shown in Fig. 9C, in the still image display area 42, the still image 4 2 H after movement and the new first position 4 2 H-1 1 is displayed.
- the observer again uses the mouse 1 5 to display the characteristic second position 4 3 G — 2 1 of the moving picture 4 3 G shown in FIG. 9B on the monitor 1 3 screen. Click (Step 1 0 0 5).
- the observer uses the mouse 1 5 on the screen of the monitor 1 3, and the second position of the characteristic of the moving image 4 3 G on the still image 4 2 H shown in FIG. 9 C Click the position corresponding to 4 3 G-2 1 as the second position 4 2 H-2 1 (steps 1 0 0 6).
- the difference in magnification between the moving image 4 3 G and the still image 4 2 H is determined.
- the difference in magnification, K, K (4 2 G-1 1 and 4 2 G-2 1) no (4 3 G-1 1 and 4 3 G-2 1) Ask.
- image processing is performed such that the still image 4 2 is enlarged or reduced within the still image display area 4 2 (step 1007).
- FIG. 9D is a diagram showing the display in the still image display area 4 2 after such image processing.
- the still image display area 42 in the still image display area 42, the still image 4 2 I after enlargement and reduction and the new first position 4 2 I 1 1 1, the second position 4 2 I-2 1 is displayed.
- FIG. 9E is a diagram showing the display in the still image display area 4 2 after the above-mentioned image processing. According to Fig. 9 E, the still image display area 4 2 displays the rotated still image 4 2 J, the new first position 4 2 J-1 1, and the second position 4 2 J-2 1 Be done.
- the position and magnification of the still image 4 2 J displayed in the still image display area 4 2 and the moving image 4 3 G of the moving image display area 4 3 can be easily and precisely. It is possible to match.
- the observation image of the sample is taken from the micro observation unit 2 or the macro observation unit 3 via the TV camera 4 into the main body 5 of the monitor, and the monitor 13 A GUI can be displayed as a comparison image on the GUI 41, and the comparison image can be displayed at the same position and magnification as the reference image recorded in advance. Therefore, it is possible to conduct highly reliable identification of printed matter and special printing such as identification documents.
- the observer matches the position and magnification of the still image and the moving image, the color and shape of the characteristic first position and the second position of the moving image designated by the observer It is also possible to recognize movement of the position, etc., automatically change the position and magnification of the still image at fixed time intervals, and display it in the still image display area 4 2. Yes. Also, in the above processing, the observer first specified the characteristic first position and the characteristic second position, but the image processing automatically determines the characteristic two positions, and the characteristic of the observer The same effect can be obtained by changing the position and magnification of the still image automatically without specifying a specific position and displaying it in the still image display area 4 2.
- the sample on the base 2 8 is compared with a reference image in a wide-field and wide-range view by using a macro observation unit 3 and the sample is selected as necessary.
- the image is transferred to the base 2 0 of micro observation 2 and the precision printing and processing are magnified and compared with the reference image for observation.
- these tasks can be automated.
- FIG. 11 is a view showing a schematic configuration of a microscope image comparison device.
- the microscope image comparison device shown in FIG. 11 includes an observation device 6 9 and an image processing device 7 0.
- the observation device 6 9 comprises a microphone aperture observation unit 7 1 as an integrally configured microphone aperture observation image capturing means and a mask as a microphone aperture observation image capturing means
- a mouth-watching session 7 2 and 3 are prepared.
- the macro observation unit 7 1 and the macro observation unit 7 2 have a macro common to the base (for micro) 7 3 and the base (for macro) 7 4
- Mix-in motor stage (automatic X-Y rotation stage) 75 is provided. By driving the macro-micro motorized stage 7 5, the delivery of the sample is automatically performed between the micro-observation 7 1 and the macro-observation 7 2. it can.
- a TV camera 7 6 is provided to capture these observation images.
- the TV camera 7 6 shoots the sample through the motorized zoom 7 7 for micro macros and the objective lens 7 8. Adjustment of focus is for micro It takes place at the electric focus 7 9.
- the TV camera 7 6 has a macro observation unit 7 2, a motorized zoom 7 7 for macro 'macro, an optical path switching device (not shown), and a macro lens 8. Take a picture of the sample through 0. The adjustment of the focus is performed by the motorized focus single 8 1 for macros.
- the light control device (not shown), the optical path switching device (not shown) and the TV camera 7 6 are automatically controlled by the computer main body 8 2 which is a control means that forms a part of the image processing device 70. It will be possible and will give a lecture.
- the micro observation unit 7 1 includes a deflection illumination 8 3, an epi-illumination 8 4, an epi-illumination illumination 8 5, an oblique illumination 8 6, a transmission illumination 8 7, an infrared transmission illumination 8 8 Will be provided.
- the macro observation unit 72 is provided with polarized illumination 89, epi-illumination 90, epi-fluorescent illumination 91, polarized illumination 92, transmitted illumination 93, and infrared radiation illumination 94.
- the lighting system is a control box for manual control box (manual operation box) according to the lighting method suitable for the observation site of the target sample. 9 5, Macro control box (Manual operation box) 9 6 is selected.
- the observation device 6 9 is connected to the image processing device 7 0 via the macro communication cable 9 8, the tele video camera video cable 9 9 and the tele video communication cable 1 0 0. Teru.
- the image processing apparatus 70 includes a monitor 1 as a display means for displaying an observation image and a GUI for control in addition to the PC main body 8 2, and a keyboard 1 of an input device. There are 0 2 and 1 0 3 mice.
- the image processing device 70 controls the observation device 6 9 via the macro-micro communication cable 9 8 and also controls the television set via the television video camera 9 9
- the video signal of the camera 7 6 is taken in, and furthermore, the brightness, control light, etc. of the TV camera 7 6 via the television communication cable 10 0 Control the
- the image processing device 70 is a video camera (not shown) in the computer main body 8 2 of the imaging signal of the TV camera 7 6 et al. Loads the memory in the main unit 8 2 and converts it into a signal that can be displayed as a digital image on the monitor 101.
- the main body 8 2 has menus for system control, button display, monitor for image display, and menu and button operation. Keyboard 102 and mouse 103 are connected.
- the main body 8 2 has a frame memory function for displaying an image taken by the TV camera 7 6, a menu and button operation function for system control, and an observation device 6 It is equipped with communication functions to control 9.
- the personal computer 8 2 also has a memory function to temporarily store image data. Ru.
- the computer main body 8 2 is further equipped with a communication means, and data communication with other personal computers etc. enables the image taken with the TV camera 7 6 and other data such as shooting conditions to be transmitted. It is possible to save the data to share it with the software.
- communication methods include Ethernet, GP — IB, parallel, serial equality S.
- the personal computer 8 2 has focus on the driving command of the macro and micro electric stage 75, the macro observation unit 7 1 and the macro observation unit 7 2 Starts commands such as zoom, light path switching, lighting method switching, light control, etc., and also outputs control commands for the TV camera 7 to the observation device 6 9 via the interface.
- an observation device 6 9 and an interface For example, RS — 2 3 2 C, GP — IB, ⁇ , and so on. La Renole, Serial, SCSI Equal Power S.
- FIG. 7 is a diagram showing a correction method in the case of a shift.
- the image processing method shown in Fig. 13 is an image processing method that compares the positions of two positions, changes the position of the moving image 4 3 K, and changes the magnification to match the still image 4 2 K. This will be described using
- FIG. 1 2 A Still image 4 2 K shown in Fig. 1 Click the characteristic first position 4 2 K-1 1 and the second position 4 2 K-2 1 on the 2 K 1 1 0 1). Next, the position corresponding to the first position 4 2 K-1 1, the second position 4 2 K-2 1 of the still image 4 2 G on the moving image 4 3 G shown in Fig. 12 B Click at the first position 4 3 K-1 1 and the second position 4 3 K-2 1 (steps 1 1 0 2).
- the difference in magnification between moving image 4 3 K and still image 4 2 K is determined.
- the magnifications are compared based on the calculated magnification ⁇ (steps 1 1 0 3).
- step 1103 if the magnification is different, operate the motorized zoom 7 7 for micro macro and zoom the moving picture 4 3 in the moving picture display area 4 3 (Steps 1 1 0 4).
- Figure 1 2 C is a diagram showing the display in the video display area 4 3 after the operation of the motorized zoom 7 7 for micro macros and macro.
- the video display area 4 3 the video after enlargement and reduction is shown.
- the image 4 3 L and the new 1st and 2nd positions 4 3 L — 1 1, 4 3 L-2 1 are displayed.
- the inclination of the still image 4 2 shown in Fig. 12 that is, the inclination of the straight line connecting the positions 4 2 K-1 1 and 4 2 K-2 1 and the moving image 4 3 shown in Fig. 1 2 C
- the angle difference ⁇ between the position of L 4 3 L — 1 1 and the inclination of the straight line connecting 4 3 L ⁇ 2 1.
- the moving picture 4 3 K is rotated within the moving picture display area 4 3 by rotating the macro-micro electric motor stage 7 5 by the angle ⁇ . (Steps 1 1 0 5).
- Fig. 1 2D shows that such a macro micro stage 7 5 Shows the display in the moving image display area 4 3 after the rotation operation of the moving image display area 4 3, the moving image display area 4 3 includes the moving image 4 3 M after rotation and the new first and second positions 4 3 M-1 1, 4 3 M-2 1 is displayed.
- step 1106 click one of the first characteristic positions 4 3 M — 1 1 of one of the moving images 4 3 M of the moving image display area 4 3.
- step 1108 the macro 'micro motor drive stage 7 5 moves in the X and Y directions, and the first position of the moving picture 4 3 M 4 3 M- Match 1 1 to the first position 4 2 K-11 of the still image 4 2 G.
- the moving image display area 43 and the still image display area 42 are regarded as the same area, and it is determined whether or not the first positions 4 3 M-1 1 and 4 2 K-1 1 coincide with each other. (Step 1 1 0 7).
- Fig. 12 E is a diagram showing the display in the moving image display area 43 after such image processing.
- the moving image display area 43 the moving image after movement in the X and Y directions is shown.
- the image 4 3 N and the new first position 4 3 N-1 1, the second position 4 3 N-2 1 are displayed.
- the image position and magnification of the moving image 4 3 N displayed in the moving image display area 4 3 and the still image 4 2 K in the still image display area 4 2 can be easily Moreover, the accuracy can be matched, and the same effect as that of the first embodiment can be expected.
- the observer first specifies the first and second characteristic positions of the still image 4 2 and the moving image 4 3 K. However, the two distinctive positions automatically in image processing If the observer automatically determines the characteristic position, the operation of the motorized zoom 7 7 and macroscopic motorized stage 7 5 of the micro 'macro is automatically performed without specifying a characteristic position. The same effect can be obtained by In the first and second embodiments, the same image is rotated by the rotation of the macro-micro motorized stage 75. However, the image using a prism or mirror is used. The moving image may be rotated using an optical element such as a gyrostat or lens.
- the moving image was moved in the XY direction by the macro-micro electric motorized stage 75
- the moving image and the still image coincide by moving the still image in the XY direction.
- the same effect can be obtained by letting Furthermore, using a high-definition TV camera as the TV camera 76, the image area matching the magnification is extracted, the image is converted to the original resolution, and the magnification is adjusted. Use a part of the high-resolution camera image as the original resolution, and move the image area that incorporates the movement in the XY direction in the XY direction to match the still image with the moving image The same effect can be obtained by
- the microscope image comparison device used in the stand-alone has been described. Without being limited to this, it is stored that the digital image necessary for the image server and its information, for example, an explanation of the forged part of the text, etc., and a suspected forgery is found in a different place.
- the relevant information from the computer main unit 5 is searched through the network for the image server, and the necessary information is downloaded and used as a comparison image. You may In this way, the image server can store the images and information of the newly found counterfeit in different places. You can get the latest information in real time, if it exists. In this case, confidential information such as counterfeit data will be communicated over the network, so processing such as user management and data decryption will prevent information from leaking outside. Is required.
- an image comparison device an image comparison method and an image comparison, which can easily and accurately perform the 'registration of reference image and comparison image'
- the device configuration of the third embodiment is the same as that of the second embodiment, so illustration and description will be omitted.
- the third embodiment shows an embodiment in which the same observation conditions can be automatically set at all times regardless of the system used.
- FIGS. 15 to 18 are flowcharts for explaining work procedures and operations according to the third embodiment.
- Step S 10 Since it is necessary to register a reference image as a sample, the observer can check the type of sample to be a sample on the operation screen 170 displayed on the monitor shown in FIG. Select the sample type list 2 10 etc. (Step S 10).
- the observer selects the observation union with the observation device 6 9. That is, the observer observes with the micro observation unit 72 depending on the size of the region to be observed on the sample sample, or the microscope observation unit 7 Select to observe at 1 (Step SI 1).
- the macro button 2 4 3 corresponding to the micro observation unit 7 2 or the micro observation unit 7 1 Click the crotch button 2 4 2 to operate the light path switching device (not shown) of the observation device 6 9 to select the light path switching, and select the desired observation light.
- Step S 14 select the movie button 2 0 3 from the movie button 2 0 3 and the still image button 2 0 4 on the operation screen 1 70 displayed on the monitor, and select the TV camera. 7 Display the moving image captured in step 6 on the observation image display area 200 (Step S 14).
- the observer sets the sample to be a sample to the macro-micro electric stage 7 5 of the selected observation table (Step S 15). Then, the moving image of the observation image display area 2 0 0
- Step S 16 If you look at the (observed image) and use the control method for macro-controls 4 6 or micro-controls 4 5 Select and adjust the lighting method and brightness (Step S 16).
- the observer judges whether or not to observe the detail of the observation image (step S 1 7). If you want to magnify (yes), the magnification change button 2 3 1 is used to change the magnification. Set and move the mouse pointer on the observation image. Then, the pointer displays the captured area of the specified magnification on the observation image. Then, the observer clicks the position that he wants to capture, determines the enlargement position (Step S 18), and clicks the setting button 2 3 2 of the operation screen 1 3 0 Do. If you do, the computer main body 8 2 is The center position of the magnified image is calculated from the stage position, the setting rate, and the position of the mouse pointer on the observation image. Then, the macro-micro motorized stage 7 5 moves automatically so that the center position of the magnified image matches the optical axis of the selected observation unit. Then, move the set sample to the position you want to observe (Step S 19).
- the observer adjusts the zoom magnification so that the area of the sample to be observed is displayed, and adjusts the focus (Step S20).
- step S17 If it is determined in step S17 that the details of the observation image are not to be enlarged and observed, the process immediately proceeds to step S20, and the observer displays the region of the sample to be observed. Adjust the zoom ratio and adjust the focus.
- the observer determines whether the contrast of the observed image is sufficient (step S 21).
- the image will not be sharp and accurate image comparison can not be performed.
- step S 2 2 perform image integration processing.
- the observer selects the auto contrast button 2 2 1 on the operation screen 1 70 displayed on the monitor 1 and performs auto contrast processing.
- the computer main body 82 can change the image data after applying gain or offset so that the brightness level becomes optimal for the captured image, and then the observation image display can be performed. Display in area 2 0 0.
- the observer sees this observation image and adjusts the observation position, magnification, and focus of the sample.
- Moni Select the integration button 2 2 2 on the operation screen 1 of the tare, and start the image integration processing.
- the computer main body 8 2 saves the captured images for the set number of images, adds the image data, and displays it in the observation image display area 200.
- the observer adjusts the number of integrations with the integration number 2 23 on the monitor's operation screen 1 70 according to the brightness of the sample, and adjusts it to an image that is easy to observe.
- Step S2 3 When these captured images are ready, operate the teaching screen 1 7 0 of the operation screen 1 7 0 displayed on the monitor to register a touching image (that is, a reference image). Yes (Step S2 3). As a result, the computer body 8 2 can transmit the video signal of the TV camera 7 6 to the computer body 8 2 through the video capture board and the digital image (te The captured digital image is stored in the recording medium 10 and displayed in the still image display area 180 as well. Also, no.
- the main unit 8 2 has the observation conditions at this time, that is, the position of the macro and micro motorized stage 7 5 (the position where the digital image was taken), the zoom magnification, and the illumination method Check the various conditions such as light control, light path switching, setting of TV camera 76, etc. by communication with observation device 69 and TV camera 76, and check in step S10. Sample Type Save for each type of sample selected in list 2 1 0.
- the observer repeats registration of the touching image for the number of portions on the sample that require observation (step S 24).
- the observer needs a sample image to compare with the teaching reference image under the same conditions.
- the type of sample to be sampled on the operation screen 1 7 0 displayed on the monitor for example, the identification card is selected according to the sample type list 2 1 0 Do it (Step S 3 0).
- the observer sets a comparative sample for generating a comparative image on the macro-micro motorized stage 7 5 (step S 31). Then, select the acquisition button 2 2 9 on the operation screen 1 7 0 displayed on the monitor (Step S 3 2).
- Step S 3 3 When the personal computer 8 2 reads out the imaging conditions at the time of registration of the matching image registered for each type of sample selected according to the sample type list 2 10 Refer to the reference image Display the still image display area 1 8 0 as an image (Step S 3 3).
- the main body 8 2 is the position of the micro motor stage 7 5, zoom magnification, illumination method, light control, light path switching according to the read out shooting condition file.
- the PC main unit 8 2 adjusts the color of the image input board so that the color reproduction of the reference image and that of the comparison image match.
- the color information on the image input board is adjusted so that the red * green * blue luminance information as the color information of the reference image feature point and the back image matches the comparison image.
- the observer selects the comparison image and the reference image from the tabs of the still image display area 180 and the moving image display area 190 (step S 3 9) Then, select the image comparison mode that is appropriate for the area to be compared with the sample (Step S 40).
- the observation image display area 200 is divided into two areas, upper and lower or left and right, and the reference image is displayed in one of the divided areas. Display the comparison image in the other divided area. Also, when selecting this split image display, select the display method of split mode display (Step S 4 1). This split mode display is shown on the left: Reference image ' Right: Comparison image, Left: Comparison image ⁇ Right: Reference image, Top: Reference image ⁇ Bottom: Comparison image, Top: Comparison image 'Bottom: There is a reference image, these are selected with buttons 2 0 5 it can. In addition, the if line of the boundary dividing the area can be moved by the S line movement button 2 24.
- the observer chooses the display method of the split mode display that is more suitable for the area to be compared with the sample.
- the observer adjusts the display position of the reference image by moving the scroll bar (step S 4 2).
- the main body 8 2 automatically sets the image display position of the reference image and the image display position of the comparison image to the same position according to the movement amount of the screen. In this case, move the macro-micro motorized stage 75.
- the comparison image displayed in one of the divided areas of the observation image display area 200 is displayed as a moving image, and the observer may want to finely adjust the position if necessary. Adjust the display position of the comparison image by moving the micro-micro electric motorized stage 7 5.
- the luminance ratio of the reference image and the comparison image is an arbitrary integer n, m (except that n When ⁇ m), an image obtained by adding an image multiplied by m Z n and an image multiplied by (n-m) / n is displayed in the observation image display area 200, and the image is compared with the reference image. You can observe the image through which the image can be seen. Note that the ratio of the brightness of the reference image to that of the comparison image is changed by changing the integers n and m. By gradually changing, it is possible to emphasize and display an image on one side.
- the observer selects the overlap button 2 0 6 (step S 4 3), adjusts the position of the reference image and the comparison image (step S 4 4), and compares it with the reference image Align the subtle position of the image by moving the macro-micro power stage 7 5 while checking the overlap image. Then, the observer checks the overlap image and checks the part that does not match. If you want the viewer to emphasize one of the images by adjusting the display ratio (Step S 4 5), change the display ratio adjustment bar 2 0 7. You can emphasize the display ratio of some images and display them.
- step S 4 6 selects the overlap button 2 0 6 in advance (step S 4 6), adjusts the position of the reference image and the comparison image (step S 4 7), Match the slight displacement between the reference image and the comparison image.
- step S 4 8 selects the image switching display (animate one) button 2 0 8 (step S 4 8), check the image to be switched, and check the non-matching part. . That is, by switching the image alternately, different parts are recognized depending on the afterimage effect of the image. In this case, the observer sets the switching time (step S 4 9), but the switching time which is easy to compare is set by setting the setting time button 2 0 9. Do.
- buttons 1 8 1, the left and right buttons 1 8 2, and the negation buttons 1 8 3 are provided in the still image display area 180.
- the up and down buttons 1 8 1 and the left and right buttons 1 8 2 flip the reference image upside down to match the direction of the image taken from the back and the front side.
- the negative button 1 8 3 is used to make it easier to recognize the comparison of the images by performing a positive / negative inversion on the image on one side depending on the sample. Button.
- step S 50 compares the reference image and the binarized image of the comparison image with the computer main body 8 2, and colors different parts, or Helping observers compare images by displaying them as marks. Then, the observer observes the image visually with reference to the foreign matter automatic detection process and compares the images (step S 51).
- the drawing function enables comment input on the reference image, the comparison image, and the observation image in the image comparison mode ( Add Step S 5 2), supplementary explanation.
- the observer displays the image that needs to be stored in the observation image display area 200, and when the image save button 2 2 8 is selected, the image is saved to the storage medium that you want to save (ST ⁇ S 5 3).
- the PC main unit 8 2 also saves the viewing conditions of the saved image.
- the observer changes the observation part of the sample to determine whether to continue detailed comparison observation (step S 54).
- the process returns to step S32 to repeat the above-described operation, and when the comparison observation is not to be continued, the observation is ended.
- a touching image (reference image) of a portion requiring observation of a sample such as an identification card can be displayed under these observation conditions, that is, macro-micro electric motor.
- stage 7 5 position where digital image was taken
- zoom magnification illumination method
- light control light path switching
- these observation conditions are automatically reproduced to photograph a comparative sample, and to compare the photographed comparative image with a reference image.
- the image of the sample to be compared with the tinting image (reference image) can be observed under the same conditions as the observation conditions of the touching image, and the image of the tinting image can be observed. Because the characteristics and characteristics of the sample currently being observed can be easily compared and observed under the same conditions, the comparison accuracy can be dramatically improved, and special printing and processing such as printed matter and identification cards are performed. It makes it possible to easily and forensically identify things.
- observation conditions when the teaching image (reference image) is saved are saved with the image data, for example, if saved in a common storage medium, the image with the sample to be compared with any system At the time of comparison, the same observation conditions can be set automatically at all times, and the efficiency of the image comparison work can be greatly improved.
- the display order of the tab of the taken image is to binarize the comparison image and the reference image and arrange them according to the ratio of the area where the areas do not match, or check the past forgery It is also possible to arrange images in order of the number of parts in order.
- the microscope image comparison device used in the stand-alone has been described, but a description of the digital image and document forgery required for the image server via the network, Build a network system that stores information such as shooting conditions. Therefore, images and information of forged objects newly found in different places are saved on the image server each time, and are always updated to the latest reference image. This makes it possible to search the image server via the network for relevant information from the personal computer of the microscope comparison device, and always obtain the latest reference image.
- the display order of the display tab of the reference image is updated and saved, and the tabs are rearranged to be checked at the beginning, efficiently You can check forged documents. In this case, since confidential information such as counterfeit data will be communicated over the network, processing such as user management and data encryption will be carried out to prevent information leakage. It will be necessary.
- the comparison image under the same conditions as the reference image
- An image comparison device that can automatically match the part of the image to be compared, and can perform high-precision image comparison, and make the computer execute the image comparison method and image comparison.
- the alignment of the reference image and the comparison image can be simplified, or the parts to be compared of the comparison image can be automatically matched and photographed under the same conditions as the reference image, and the image comparison can be performed with high accuracy. It provides possible image comparison devices, image comparison methods, and programs for making computers execute image comparisons.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Microscoopes, Condenser (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP03792749A EP1549072A4 (en) | 2002-08-20 | 2003-08-20 | IMAGE COMPARISON DEVICE, IMAGE COMPARISON METHOD, AND PROGRAM FOR COMPUTER COMPARISON OF IMAGES |
US11/060,144 US20050157170A1 (en) | 2002-08-20 | 2005-02-17 | Image comparison apparatus, image comparison method, and program to execute image comparison by computer |
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JP2002/239617 | 2002-08-20 | ||
JP2002239616A JP4633322B2 (ja) | 2002-08-20 | 2002-08-20 | 画像比較装置、画像比較方法および画像比較をコンピュータにて実行させるためのプログラム |
JP2002239617A JP2004078690A (ja) | 2002-08-20 | 2002-08-20 | 画像比較装置、画像比較方法および画像比較をコンピュータにて実行させるためのプログラム |
JP2002/239616 | 2002-08-20 |
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US11/060,144 Continuation US20050157170A1 (en) | 2002-08-20 | 2005-02-17 | Image comparison apparatus, image comparison method, and program to execute image comparison by computer |
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Citations (4)
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JPH066807A (ja) * | 1992-06-19 | 1994-01-14 | Olympus Optical Co Ltd | 画像比較装置 |
JPH0646361U (ja) * | 1992-11-30 | 1994-06-24 | オリンパス光学工業株式会社 | 基板外観検査装置 |
JPH1145334A (ja) * | 1997-05-29 | 1999-02-16 | Dainippon Screen Mfg Co Ltd | 画像の比較表示方法及び記録媒体 |
JP2003066339A (ja) * | 2001-08-29 | 2003-03-05 | Olympus Optical Co Ltd | 画像比較装置 |
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US4644172A (en) * | 1984-02-22 | 1987-02-17 | Kla Instruments Corporation | Electronic control of an automatic wafer inspection system |
US5220614A (en) * | 1991-02-22 | 1993-06-15 | Professional Coin Grading Service, Inc. | Automated coin grading system |
US5257325A (en) * | 1991-12-11 | 1993-10-26 | International Business Machines Corporation | Electronic parallel raster dual image registration device |
JP4114959B2 (ja) * | 1995-06-20 | 2008-07-09 | キヤノン株式会社 | 画像処理方法及び装置 |
US6434264B1 (en) * | 1998-12-11 | 2002-08-13 | Lucent Technologies Inc. | Vision comparison inspection system |
DE10025751A1 (de) * | 2000-05-24 | 2001-12-06 | Atg Test Systems Gmbh | Verfahren zum Untersuchen einer leiterplatte an einem vorbestimmten Bereich der Leiterplatte und Vorrichtung zum Durchführen des Verfahrens |
JP2002033365A (ja) * | 2000-07-14 | 2002-01-31 | Seiko Instruments Inc | ウエハパターン観察方法及び装置 |
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2003
- 2003-08-20 WO PCT/JP2003/010531 patent/WO2004019617A1/ja active Application Filing
- 2003-08-20 EP EP03792749A patent/EP1549072A4/en not_active Withdrawn
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JPH066807A (ja) * | 1992-06-19 | 1994-01-14 | Olympus Optical Co Ltd | 画像比較装置 |
JPH0646361U (ja) * | 1992-11-30 | 1994-06-24 | オリンパス光学工業株式会社 | 基板外観検査装置 |
JPH1145334A (ja) * | 1997-05-29 | 1999-02-16 | Dainippon Screen Mfg Co Ltd | 画像の比較表示方法及び記録媒体 |
JP2003066339A (ja) * | 2001-08-29 | 2003-03-05 | Olympus Optical Co Ltd | 画像比較装置 |
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EP1549072A1 (en) | 2005-06-29 |
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