JP2006140915A - Strong cubic effect image pick-up method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a strong cubic image pick-up method for observing minute detail vividly when the image is enlarged, by offering resolution higher than a convention method, in which an image is picked up with film. <P>SOLUTION: An object (small cubic body) is mounted on a glass face, where a manuscript is usually mounted, of the CCD type image scanner with a flat head. The scanning is carried out by keeping a distance constantly between the reflective face (cover) and the glass face for holding the object in the cubic image pick-up method by using a CCD type image scanner. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a strong stereoscopic imaging method capable of imaging a subject, particularly a small three-dimensional object such as an insect, as an image (hereinafter referred to as “strong stereoscopic image”) that provides a strong stereoscopic effect. .

  Conventionally, in order to photograph a small object, for example, a photographing method using a macro lens disclosed in Patent Document 1 is known.

JP 2001-021956 A

However, the macro lens generally has a shallow depth of field, and there is very little in-focus range, and the obtained image is also affected by the resolution of the film and cannot be used for applications that are greatly extended.

In addition, since it is impossible to place a light source at the same location as the camera, it was difficult to apply appropriate lighting to the entire range where the subject at a very close distance was captured.

  Furthermore, conventionally, in order to shoot a three-dimensional image, it is necessary to use two cameras and set the parallax to the same level as that of the human eyes. Technology was needed.

  Furthermore, since a secondary work process such as film development is required, the photographed contents could not be confirmed on the spot.

  The present invention has been invented in view of the present situation, and an object of the present invention is to place a subject directly on a glass surface of a flatbed image scanner (hereinafter simply referred to as “scanner”), and to maintain a certain distance. It is an object of the present invention to provide a strong stereoscopic image capturing method capable of obtaining a strong stereoscopic image by scanning while maintaining the above.

  In order to achieve the above object, according to the first aspect of the present invention, a CCD type scanner of a flatbed image scanner is used, a subject is placed on a glass surface on which a document is placed, and a glass surface for holding the subject is provided. For example, scanning is performed while maintaining a constant distance from a reflecting surface such as a lid at a suitable distance for each subject.

  Further, in the invention described in claim 2, in order to keep the distance between the glass surface holding the subject and the reflecting surface constant, a spacer capable of arbitrarily changing an appropriate distance for each subject is interposed. And

  As described above, according to the first aspect of the present invention, the CCD type scanner of the flatbed type image scanner is used, the subject is placed on the glass surface on which the document is placed, the glass surface holding the subject and the reflection surface. Since the scanning is performed while keeping the distance from the surface constant, it is possible to obtain a 2D image that provides a very strong stereoscopic effect.

  Further, since the imaging device is the scanner itself, the captured image can be immediately confirmed on the personal computer screen, and depending on the imaging result, it can be re-captured immediately.

  The image taken with the method according to the present invention has a much higher resolution than the conventional method taken with film, so that the image can be enlarged greatly and its fine details can be observed clearly. It is.

  Also, an image obtained from a CCD type scanner is usually considered due to the characteristic that it has a perspective only in the direction orthogonal to the scanning direction of the CCD and the feature that the photographing part and the illumination part are extremely close to each other. An image with such a strong stereoscopic effect can be obtained. Further, since the scanning light does not leak out by the spacer, the illumination effect is sufficiently maintained, and a clear image can be obtained.

  Next, in the invention according to claim 2, since a spacer is placed around the subject in order to keep the distance between the glass surface holding the subject and the reflecting surface constant, a small subject such as an insect is covered with the lid. Without pressing, it is possible to obtain a realistic and realistic image in its natural form. Of course, in the present invention, the subject is not limited to a small three-dimensional object, and a medium three-dimensional object as well as a large three-dimensional object can be similarly imaged using this principle.

  Hereinafter, the present invention will be described in detail based on embodiments of the invention shown in the accompanying drawings.

  FIG. 1 is an external perspective view of a flatbed scanner for implementing a stereoscopic image capturing method according to the present invention, and FIG. 2 is an external perspective view of a spacer.

  FIG. 3 is a principle diagram for explaining the imaging principle of the scanner.

  In FIG. 1, 1 is a CCD type scanner body, 11 is a lid having a reflecting surface 111, and 12 is a glass surface. The basic configuration of the scanner main body 1 is the same as that of a known scanner device disclosed in, for example, Japanese Patent Laid-Open No. 9-247365, and a detailed description thereof is omitted here.

  Reference numeral 13 shown in FIG. 2 is a spacer interposed on the glass surface 12, and ensures an equally spaced space between the glass surface 12 and the lid 11. The spacer 13 is configured so that the scanner light does not leak when interposed in the glass surface 12.

For this reason, the hinge portion 112 of the lid 11 is not fixed to the scanner body 1, but has a margin so that it can be separated from the scanner body 1 to some extent, or has a detachable structure.

  Reference numeral 14 denotes a subject to be imaged, and is a small three-dimensional object such as an insect such as a stag beetle.

  In FIG. 3, reference numeral 15 denotes a reading unit, which is integrated with the light source 16 and the slit 17.

The reading unit 15 located below the glass surface moves in parallel with the glass surface 12, the light from the light source 16 is irradiated onto the subject 14, and the reflected light is read from the slit 17 by an imaging device (not shown).

The linear image information obtained by the slit 17 is sequentially accumulated along with the movement of the reading unit 15 in the downward direction in FIG. 3 to form one image.

  In the case of imaging, a spacer 13 is interposed along the vertical and horizontal directions of the glass surface 12 of the scanner body 1, and the subject 14 is placed at the center of the glass surface 12 therein.

For example, when the subject is an insect, if the insect is placed on its back, a strong stereoscopic image can be taken with the insect viewed from above.

  Subsequently, the lid 11 is closed, the scanner body 1 is operated, and the subject 14 is scanned.

  A CIS (Contact Image Sensor) type scanner has a narrow focus range, and the subject 14 needs to be in close contact with the glass 12 in order to capture a clear high-resolution image. It is not suitable for imaging a three-dimensional object.

  On the other hand, a CCD (Charge coupled device) type scanner, unlike the above CIS type scanner, has a deep focal depth, and therefore can image even a part slightly away from the glass surface 12, resulting in a high depth. Since the shallow part is bright and the deep part is photographed dark according to the depth, a gray image similar to that seen with the eyes is captured, so even a 2D image is clear and has high resolution. A stereoscopic image can be obtained.

  In the stereoscopic image capturing method according to the first embodiment, as described above, a subject (small three-dimensional object) is placed on the glass surface on which the original of the flatbed image scanner is placed, and the glass surface and the reflective surface ( Since it is configured to scan with a constant distance from the lid, it is extremely easy to obtain a strong stereoscopic image of a small three-dimensional object without requiring special or expensive equipment or advanced technology. Can do.

  Since the stereoscopic image capturing method according to the present invention is configured as described above, stereoscopic images of insects and the like can be easily obtained, and can be applied to school education and other wide fields such as nature observation of elementary and junior high school students. .

  Further, since the image data is input to the personal computer at the same time as imaging, the image can be confirmed and processed very easily.

It is a figure which shows schematic structure of the CCD scanner used for the stereo image imaging method which concerns on this invention. It is a figure which shows the spacer used for the scanner. It is a principle figure explaining the imaging principle of a flat bed type image scanner.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Scanner main body 11 Cover 111 Reflecting surface 112 Hinge part 12 Glass surface 13 Spacer 14 Subject (small three-dimensional object)
15 Reading unit 16 Slit 17 Light source

Claims (2)

  A CCD characterized in that a subject is placed on a glass surface on which an original of a flatbed image scanner is placed, and the distance between the glass surface holding the subject and the reflecting surface is kept at an arbitrary fixed distance according to the subject. A strong stereoscopic image capturing method using a type of image scanner.   2. The strong stereoscopic image pickup according to claim 1, wherein a spacer capable of arbitrarily changing the distance is provided around the subject in order to keep the distance between the glass surface holding the subject and the reflecting surface constant. Method.

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