JP6350707B1 - Imaging device - Google Patents

Abstract

An object of the present invention is to automatically fit a predetermined region of a subject to be photographed placed in a photographing region within a photographing field of view of a camera without causing a chip, thereby obtaining high workability. Provided are a photographing apparatus and a photographing method capable of performing the above. An imaging unit that is provided so as to freely move up and down (in the direction of arrows ab) at an upper position of an imaging region and that captures an imaging target P placed in the imaging region from above, and the imaging Control means 3 for outputting information for moving the means, and the control means 3 is configured so that a predetermined area of the photographing target P is within the photographing visual field range A based on the photographing data D read by the photographing means 2. In addition, information is output to move the photographing means 2 up and down. [Selection] Figure 1

Description

  The present invention relates to a photographing apparatus and a photographing method used in a financial institution or the like.

For example, at a consultation desk such as a financial institution, a bank clerk and a customer may talk face-to-face across a table.
At this time, on the table, a PC including a tablet terminal, a display device for displaying data from the PC, an input device for inputting an image of a document brought by a customer, a document signed on the spot, and the like are installed.

For example, in the area photographing apparatus disclosed in Patent Document 1, in order to photograph a plate surface with a camera, the camera is supported by an arm supported by a member integral with the plate surface and extended toward the front side of the plate surface. The configuration is shown.
Moreover, in this patent document 1, it has the slider which slides to the rail member installed in the frame body to the horizontal direction, and the arm with which the camera was hold | maintained is supported by this slider.

JP 2014-75643 A

By the way, in the area photographing apparatus shown in Patent Document 1, since the camera is held via the arm on the slider that slides in the lateral direction on the rail member, for example, the photographing target sheet is within the photographing visual field range of the camera. When the predetermined area does not fit, the camera position needs to be adjusted separately, resulting in poor workability.
In addition, since it is necessary to manually adjust the camera position as described above, it is time consuming and the photographing target sheet may not fit in the photographing field-of-view range of the camera, resulting in chipping.

  The present invention has been made in view of the above-described circumstances, and automatically stores a predetermined region of a photographing target sheet placed on a mounting table within a photographing field-of-view range of a camera without causing any chipping. Thus, there are provided an imaging apparatus and an imaging method capable of obtaining high workability.

In order to solve the above problems, the present invention proposes the following means.
In the imaging device shown in the first aspect of the present invention, an imaging unit that is provided so as to be vertically movable at an upper position of an imaging area on which an imaging object is placed and that photographs the placed imaging object from above, Control means for outputting information for controlling movement of the photographing means, and the control means is based on the photographing data read by the photographing means, and the predetermined area of the photographing target sheet is within the photographing visual field range. As described above, information on the vertical movement of the photographing means is output.

  In the photographing method shown in the second aspect of the present invention, when the photographing object is placed in the photographing region, the photographing means is raised from the lower stop position, and the photographing data from the photographing means acquired at the time of the raising is obtained. On the basis of this, it is characterized in that it is stopped at a position where a predetermined area of the photographing target sheet falls within the photographing field range of the photographing means.

  In the present invention, it is possible to automatically adjust the height of the photographing means while obtaining the size of the sheet of the sheet to be photographed. This makes it possible to save work, and prevents image loss and stable image. Acquisition is possible.

It is a figure which shows the imaging device which concerns on this invention. It is a perspective view of the imaging device which concerns on embodiment of this invention. It is a longitudinal cross-sectional view of FIG. It is a flowchart which shows the control content of the imaging device which concerns on embodiment of this invention.

The present invention will be described with reference to FIG.
FIG. 1 shows a photographing apparatus 100 according to the present invention, which photographs a photographing target (photographing target sheet in the illustrated example) P placed in a photographing region (for example, a mounting base of the photographing apparatus) 1 in which the photographing target is arranged. The image pickup means 2 and the control means 3 for outputting information for controlling the movement of the image pickup means 2 are provided.

The photographing means 2 photographs the photographing target sheet P provided in the up and down direction indicated by arrows ab and placed on the photographing area 1 from above at a position above the photographing area 1.
The control means 3 controls the movement of the photographing means 2, and based on the photographing data D read by the photographing means 2, photographing is performed so that a predetermined area of the photographing target sheet P is within the photographing visual field range A. Information for moving the means 2 up and down in the direction of the arrow ab is output. This information is, for example, a voice command for moving the photographing unit 2 upward or downward for the operator of the apparatus, and display information on an optical display unit such as an arrow. Further, when a driving device (for example, an electric motor, a pneumatic cylinder, or the like) that moves the photographing unit 2 up and down is provided, a control that is a command for operating the driving unit to move the photographing unit 2 upward or downward. Signal.

As described above, according to the photographing apparatus 100 according to the present invention, the predetermined region of the photographing target sheet P placed in the photographing region 1 is within the photographing visual field range A based on the photographing data D read by the photographing unit 2. The photographing means 2 can be automatically moved up and down so as to be within the range.
That is, in the photographing apparatus 100 according to the present invention, it is possible to adjust the height of the photographing means 2 while obtaining the size of the sheet P of the photographing target sheet P, thereby making it possible to save work and to save the image. Chipping is prevented and stable image acquisition is possible.

(Embodiment)
The present invention will be described with reference to FIGS.
2 and 3 show a photographing apparatus 101 according to an embodiment of the present invention, in which photographing means 12 for photographing a photographing target sheet P placed on the mounting table 11 and control for controlling movement of the photographing means 12 are shown. Means 13 and installed in the apparatus main body 14 serving as a casing.
Further, the photographing means 12 is provided with a display panel for displaying the photographing data D of the photographing target sheet P, which is omitted in the drawing.

The top surface of the mounting table 11 is a document mounting surface 16 that is colored in a darker color (for example, gray or black) than the photographing target sheet P as shown in FIG.
A reference line 15 for aligning one side of the photographing target sheet P is provided on the document placement surface 16 of the placement table 11.

The photographing means 12 photographs the photographing target sheet P provided on the mounting table 11 from the upper side at a position above the mounting table 11 so as to be movable up and down as indicated by arrows ab.
Specifically, the photographing means 12 includes a mirror 20 that reflects light from the photographing target sheet P on the mounting table 11, a lens 21 that condenses the light from the mirror 20, and condensing by the lens 21. An image sensor 22 that reads the emitted light as photographing data D, and these components are housed in a photographing housing 23.
A lower surface opening 24 is formed on the lower surface of the photographing housing 23, and a photographing field range A by the image sensor 22 is formed through the lower surface opening 24.

The photographing means 12 also includes a drive mechanism 30 that moves a photographing housing 23 that houses the mirror 20, the lens 21 and the image sensor 22 in the vertical direction indicated by arrows ab.
The drive mechanism 30 includes a drive motor 31 installed in the apparatus main body 14, a drive gear 33 fixed to the drive shaft 32 of the drive motor 31, a reduction gear 34 meshed with the drive gear 33, and the reduction gear A rack gear 35 meshed with the gear 34.
The rack gear 35 is installed so as to be movable in the vertical direction (arrow ab direction) along the slide rail 36 provided in the apparatus main body 14. The rack gear 35 is attached to the above-described mirror 20. A photographing casing 23 that houses the lens 21 and the image sensor 22 is fixed.

Further, a front opening 17 is provided in the apparatus main body 14 serving as a casing, and a photographing housing 23 that accommodates the mirror 20, the lens 21, and the image sensor 22 is placed on the mounting table 11 through the front opening 17. It protrudes.
At this time, the lower opening 24 formed in the photographing casing 23 is disposed in a positional relationship facing the document placement surface 16 of the placement table 11, and thereby the photographing field range A by the image sensor 22 is set. It is set on the photographing target sheet P.

Next, the control means 13 that controls the movement of the photographing means 12 will be described.
The control means 13 moves the photographing means 12 up and down in the direction of arrows ab so that the predetermined area of the photographing target sheet P is within the photographing visual field range A based on the photographing data D read by the image sensor 22. It consists of the following steps (S).
The predetermined area may be an inner area of the sheet having four sides, or may be an area located several millimeters from the four sides, and can be set as appropriate.

[Step 1]
It is determined whether the operator has turned on the power. If YES, the process proceeds to step 2.
[Step 2]
A photographing housing 23 that houses the mirror 20, the lens 21, and the image sensor 22 is disposed at a stop position that is a lower position.

[Step 3]
Based on the read signal from the image sensor 22, it is determined whether or not the photographing target sheet P is arranged on the document placement surface 16 of the placement table 11. If YES, the process proceeds to the next step 4.
[Step 4]
The photographing casing 23 is raised from the lower stop position, and the photographing data D is taken in through the image sensor 22 when the photographing casing 23 is raised.
[Step 5]
Based on the imaging data D obtained in step 4, it is determined whether or not the predetermined area of the imaging target sheet P is within the imaging visual field range A of the imaging means 12. If YES, the process proceeds to step 6. This determination is made based on whether or not the black ratio of the document placement surface 16 within the photographing visual field range A has reached a preset reference value.
[Step 6]
When the black ratio of the document placement surface 16 within the photographing field range A of the image sensor 22 reaches a preset reference value, the raising of the photographing housing 23 is stopped, and photographing data D photographed at this time is stored. To do. Also, the image data D acquired here is displayed on a display panel (not shown) based on the preset settings.

As described above, according to the photographing apparatus 101 according to the embodiment of the present invention, the predetermined area of the photographing target sheet P placed on the mounting table 11 is based on the photographing data D read by the photographing unit 12. The photographing casing 23 of the photographing means 12 can be automatically moved up and down so as to be within the range A.
In other words, in the photographing apparatus 101 according to the embodiment of the present invention, the height of the photographing housing 23 can be automatically adjusted while obtaining the size of the sheet surface of the photographing target sheet P, which can save labor. In addition, it is possible to obtain a stable image by preventing image loss.

(Modified Example)
In the above-described embodiment, the photographing housing 23 that houses the mirror 20, the lens 21, and the image sensor 22 is moved up and down in the arrow ab direction with respect to the mounting table 11. However, the present invention is not limited thereto. Only 20 may be moved up and down to guide the imaging data D of the imaging target sheet P to the image sensor 22.
Further, the drive mechanism 30 is not limited to a system that transmits power using gears, and a belt power transmission system may be used.

Further, in the above-described embodiment, depending on whether or not the black ratio of the document placement surface 16 within the photographing field range A has reached a preset reference value, the photographing target sheet P within the photographing field range A of the photographing unit 12 is determined. It was determined whether or not the predetermined area was accommodated.
However, instead of using the black ratio of the document placement surface 16, the field of view of the photographing unit 12 depends on whether the entire circumferential length or the length of one side of the photographing target sheet P has reached a predetermined reference value. It may be determined whether or not a predetermined area of the photographing target sheet P is within the range A.

Further, the control means 13 raises the photographic housing 23 from the lower stop position, and captures the photographic data D through the image sensor 22 at the time of the ascent. However, the present invention is not limited to this. You may make it descend | fall from a stop position.
At this time, the stop position in the initial stage of the photographing housing 23 is set to a photographing field range A in which the entire document placing surface 16 of the placing table 11 can be photographed. After that, the photographing housing 23 is lowered from the upper stop position, and the photographing data D is taken in through the image sensor 22 when the photographing housing 23 is lowered.
As the photographing casing 23 is lowered, the black ratio of the document placement surface 16 within the photographing field range A of the image sensor 22 gradually decreases. The black ratio at this time reaches a preset reference value. When this occurs (when it has decreased to a preset reference value), the lowering of the photographing housing 23 is stopped, and the photographing data D photographed at this time is stored. The acquired photographic data D may be displayed on a display panel (not shown).

  Further, the lens 21 installed in the photographing housing 23 may have a zoom function. The photographing field range A of the photographing means 12 can also be adjusted by using this zoom function. By using this zoom function together, the visual field range A can be adjusted beyond the photographing visual field range A that can be adjusted only by moving the photographing housing 23. In addition, the movement range of the photographing housing 23 necessary for obtaining the necessary photographing field-of-view range A can be reduced, and the entire apparatus can be reduced in size.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range A etc. which do not deviate from the summary of this invention are included.

  The present invention relates to a photographing apparatus and a photographing method used in a financial institution or the like.

1 Mounting table (shooting area)
2 imaging means 3 control means 11 mounting table 12 imaging means 13 control means 14 apparatus main body 15 reference line 20 mirror 21 lens 22 image sensor 30 drive mechanism A imaging field of view D imaging data P imaging object (imaging object sheet)

Claims (12)

An imaging unit that is movable up and down at an upper position of the imaging area in which the imaging target is arranged, and has a control unit that outputs control information for controlling movement of the imaging unit; And
The control means outputs information related to the vertical movement of the photographing means based on the photographing data read by the photographing means so that the predetermined area to be photographed is within the photographing visual field range. apparatus.   The photographing apparatus according to claim 1, wherein the photographing unit is provided to be movable up and down along an optical axis.   The control means raises or lowers the photographing means when the photographing object is arranged in a photographing region, and based on photographing data from the photographing means acquired at the time of raising or lowering, a photographing field of view of the photographing means. The imaging apparatus according to claim 1, wherein it is determined whether or not the predetermined range of the imaging target is within a range.   The control means reads the upper surface of the imaging area together with the object to be imaged by the imaging means, and the imaging means rises when the upper surface ratio of the imaging area within the imaging visual field range of the imaging means reaches a predetermined value. 4. The photographing apparatus according to claim 3, wherein information for stopping the descent is output and photographing data photographed at this time is stored.   5. The photographing apparatus according to claim 2, wherein an upper surface of the photographing region is colored darker than a subject to be photographed.   The photographing means includes a mirror that reflects light from a photographing target on the photographing region, a lens that condenses light from the mirror, an image sensor that reads light collected by the lens as photographing data, The imaging device according to any one of claims 1 to 5, wherein:   The photographing apparatus according to claim 6, wherein the photographing unit moves the mirror, the lens, and the image sensor integrally up and down.   The photographing apparatus according to claim 6, wherein the photographing unit moves only the mirror up and down.   The said imaging | photography means is moved up and down by the driving force of the drive motor provided in the apparatus main body part being transmitted via a gear mechanism, The any one of Claims 1-8 characterized by the above-mentioned. Shooting device.   The photographing apparatus according to claim 1, wherein a display panel that displays the photographing data is connected to the photographing unit.   The photographing apparatus according to claim 1, wherein a zoom lens is built in the photographing unit.   12. The reference line according to claim 1, wherein a reference line for aligning one side of a polygon formed by the sheet-like object to be imaged is provided on an upper surface of the imaging region. Shooting device.

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