JPH11160051A - Printing method for continuous inspection object - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily print continuous images of continuous inspection objects. SOLUTION: This printing method is composed of an image file preparation process for continuously fetching the video images of a tunnel which is the continuous inspection object, dividing them by respective page printing units and preparing a plurality of page printing unit image files, a data conversion process for successively fetching the prepaeed plurality of page printing unit image files and converting them to printing data for respective pages in a desired order and a printing process for printing the image 11 of the tunnel on the continuous sheet A of paper by a digital printer based on the converted printing data. Also, identification information which is the distance information of the tunnel is added for the respective image files of a page unit in the image file preparation process and identification information display 12 is added for the respective images 11 of the tunnel in the printing process. Thus, the continuous image of the continuous inspection object is easily printed, a visual inspection or the like is easily performed and the inspection position of the tunnel is easily recognized at the time of the visual inspection.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is for inspecting an object such as a concrete, which extends continuously over a long distance such as a tunnel, a runway or an expressway, for cracks or scratches. The present invention relates to a printing method for processing an image obtained by continuously photographing an inspection object and continuously printing the image.

[0002]

2. Description of the Related Art For example, a conventional inspection of a concrete surface or the like in a tunnel is performed by reproducing and displaying an image photographed by a CCD camera on a display of a computer and watching the image.

[0003]

In the above-mentioned conventional inspection method, not only a computer is required every time the inspection is carried out, but also a lack of listability, and it is not possible to attach a directly visible image to a report or the like. And so on. An object of the present invention is to solve these problems, and an object of the present invention is to provide a printing method of a continuous inspection object, which can easily print an image on continuous paper.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, an image of a continuous inspection object is taken in, divided into a plurality of page printing units, and divided into a plurality of page printing units. An image file creation process for creating an image file,
A data conversion step of sequentially taking in the created plurality of page printing unit image files and converting them into print data for each page in a desired order, and a continuous state of images of the inspection object on a continuous paper by a printing machine based on the converted print data. And a printing process for printing with.

According to a second aspect of the present invention, in addition to the configuration described in the first aspect, in the image file creation step, identification information is added to each image file in page units, and in the printing step. The identification information display is added to each image of the pages of the continuous inspection object.

According to a third aspect of the present invention, in addition to the configuration according to the second aspect, the identification information added to each image file in page units is calculated based on a predetermined position. That is, it is distance information of successive inspection objects.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention in which a concrete surface serving as an inner wall surface of a tunnel is used as an inspection object will be described below in detail with reference to the accompanying drawings. Here, FIG. 1 is a longitudinal sectional view showing a state in which the inside of the tunnel is photographed by a CCD camera, FIG. 2 is a schematic view of a printing system, FIG. 3 is a front view of printing paper, and FIG. .

As shown in FIG. 1, in the inspection of the concrete surface in the tunnel 1, a vehicle 4 equipped with a CCD camera 2 and a computer 3 is first moved on a track 5 laid in the tunnel 1 by a predetermined distance. The operation of stopping and photographing the concrete surface with the CCD camera 2, moving further a predetermined distance, stopping and photographing is repeated. This vehicle 4
Is set so that there is no overlap or omission at the boundary of each video in consideration of the range that can be captured by one capture. The plurality of video data obtained in this manner are sequentially transmitted to the computer 3 mounted on the vehicle 4.

The computer 3 creates continuous video data by connecting the plurality of video data in a state where there is no overlap or omission at the boundary of each video, and then divides the continuous video data into page printing units. To create a page print unit image file (image file creation step). In this image file creation step, identification information is added to each page printing unit image file, and the identification information is combined with the distance information on the concrete surface of the continuous tunnel 1 calculated based on the predetermined position. Become. The plural page printing unit image files to be stored thus obtained are written on the magneto-optical disk (or magnetic tape) 6.

As shown in FIGS. 1 and 3, a printing method according to the present embodiment is a digital printing machine 7 having a variable data printing function and a host computer 8 for data processing.
And a plurality of terminal computers 9, 9a
Are connected by a network 10 and a plurality of continuous page printing unit image files input from a magneto-optical disk (or a magnetic tape) 6 to an arbitrary terminal computer 9a are taken into a host computer 8 and created in advance. Is linked to the database file, which has been processed, and the digital printing machine 7 prints continuous images 11 on long continuous paper A.

Further, the host computer 8 performs data conversion for sequentially taking in the plurality of page printing unit image files and converting them into print data for each page in the order of image taking (data conversion step). By linking the page print unit image file to the database file, a predetermined page print unit image file can be selected and specified based on the identification information, or the page print unit image file can be printed in a desired order. It is possible to create. Further, in the digital printing machine 7, based on the converted print data, the image 1 of the concrete surface inside the tunnel 1 is displayed.
Are printed on the continuous paper A in a continuous state (printing step). As shown in FIG. 3, the continuous paper A has a fixed area B and a variable image area C on which an image 11 per page print unit is displayed, and the variable image area C extends in the longitudinal direction. The images 11 are continuously printed. Also,
An identification information display 12 is printed on a predetermined portion of the fixed area B corresponding to each image 11... From the identification information added to the page printing unit image file. By this identification information display 12, it is possible to easily confirm the inspection position of the concrete surface inside the tunnel 1 at the time of the visual inspection.

As shown in FIG. 3, the plurality of page printing unit image files have an image format of an EPS image or a TIFF image and each size of the variable image area C is 25.
cm × 25 cm (1476 pixels × 1476 pixels), the file size of one image 11 is about 2.3 MB (EPS) or about 2.1 MB (TIFF), and the image resolution is 150
dpi, image type is grayscale image (8bit / pi
xel).

The data conversion is performed by a print sequence setting file which is a control file of a job (data of one roll of a continuous printed material which can be output at one time), a printing order of the images 11...・
(Text data for identification) is executed by a program capable of printing, and by setting the file, the page print unit image file (input data) is converted,
It is possible to output the length and the printing order of the image 11 and to output the partial extracted data of a plurality of tunnels to be printed on the continuous paper A.

The contents of the print sequence setting file can be output as a list on the display of the host computer 8 or the terminal computers 9 and 9a, so that the operation can be easily confirmed. The list is made up of, for example, data content examples showing the details of the inspection target tunnel 1 shown in Table 1.

[Table 1]

A printing procedure for inspecting the concrete surface inside the tunnel 1 will be described with reference to FIG. First, the vehicle 4 is moved on the track 5 laid in the tunnel 1, stopped every time it moves a predetermined distance, and the concrete surface is photographed by the CCD camera 2 to obtain a plurality of images (procedure 101). Next, the continuous video data created from each video by the computer 3 mounted on the vehicle 4 (step 102)
Is divided into image page printing units to form a plurality of continuous page printing unit image files (step 103). Subsequently, the magneto-optical disk 6 on which the image file has been written is set in the terminal computer 9a (step 104) and transmitted to the host computer 8 via the network 10 (step 105). The image file thus captured is processed by the program of the host computer 8 and converted into print data for each page in the order of video capture (step 106). With the print data thus converted, the printing device 7 prints the continuous images 11... Of the concrete surface inside the tunnel 1 on the continuous paper A in a continuous state (step 107).

The present invention is not limited to the above embodiment. For example, the inspection object may be a runway or a highway instead of the tunnel 1. Also, the page printing unit image file is not created from continuous video data obtained from the image of the CCD camera, but is created from continuous video data obtained by scanning with a scanner mounted on a vehicle moving at a constant speed. May be. Further, the transmission method of the page printing unit image file used in the present printing method is such that the processing computer 8 is directly connected from the magneto-optical disk 6 without using the terminal computers 9, 9a. The page print unit image file may be imported into the printer. Furthermore, in the data conversion step, the order in which the print data is converted into print data for each page may be reversed instead of the order in which images are captured. The image type is
Instead of a gray scale image, it may be a color image.

[0017]

As described above, the present invention described in claim 1 does not require a reproducing apparatus unlike the conventional inspection method.
The visual inspection can be easily performed, and a visually recognizable image can be attached to a report or the like, and the image can be easily printed.

According to the second or third aspect of the present invention, in addition to the effect of the first aspect of the present invention, it is possible to easily recognize the inspection position of a continuous inspection object at the time of visual inspection. This has the effect of being possible.

[Brief description of the drawings]

FIG. 1 is a vertical cross-sectional view showing a state in which an inside of a tunnel is photographed by a CCD camera.

FIG. 2 is a schematic diagram of a printing system.

FIG. 3 is a front view of a continuous sheet.

FIG. 4 is a printing work procedure diagram.

[Explanation of symbols]

 A Continuous paper B Fixed area C Variable image area 1 Tunnel 2 CCD camera 3 Computer 4 Vehicle 5 Track 6 Magneto-optical disk 7 Printing machine 8 Host computer 9, 9a Terminal computer 10 Network 11 Image 12 Identification information display

Claims (3)

[Claims] 1. An image file creating step of taking in images of a continuous inspection object and dividing it into page printing units to create a plurality of page printing unit image files. A data conversion step of converting the data into print data for each page in the order described above, and a printing step of continuously printing images of the inspection object on a continuous paper in a printing machine based on the converted print data. Inspection method printing method. 2. The method according to claim 1, wherein in the image file creating step, identification information is added to each page printing unit image file, and in the printing step, identification information display is added to each image of a continuous inspection object page. The method for printing a continuous inspection object according to claim 1. 3. The method according to claim 2, wherein the identification information added to each page-wise image file is distance information of successive inspection objects calculated based on a predetermined position.
The printing method of the test object described continuously.