JPH07200801A - Deformed image producing device - Google Patents

Abstract

PURPOSE:To provide a deformed image producing device which can obtain simply obtain a deformed image by synthesization of images. CONSTITUTION:A deformed amount calculating means 11 calculates the moved amount of each pixel of e processing subject image based on the density of the reference image that shows a background. A deforming means 13 moves each pixel of the the subject image in a prescribed direction based on the calculated moved variable. Therefore, it is possible to omit such complicated calculation Processing as the three-dimensional processing of images, etc., and also such complicated optical processing followed by the camera photographing operations, etc. Thus an image can be simply deformed by synthesization of images.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deformed image forming apparatus, and more specifically, a deformed image forming apparatus for performing an image deforming process required when two images (for example, a character image and an image representing a water surface) are superposed and combined. Regarding the device.

[0002]

2. Description of the Related Art In the field of printing and the like, a method of synthesizing two images and using this as an original may be used. For example, when creating an image of a character floating on the water surface, first, an image of the character and an image of the water surface are created separately, and a composite of these images is used as a document. At this time, in order to reproduce the appearance of the characters actually floating on the water surface, it is necessary to perform processing for deforming the characters in accordance with the fluctuation of the water surface. Conventionally, such deformation processing has been performed by the following method.

The first is a method in which a glass plate having irregularities and a character image are superimposed on each other and an image of the optically deformed character is photographed. The second is a method of performing three-dimensional processing using computer graphics or the like. In the second method, each of the character image and the water surface image is represented by using three-dimensional digital data, and the character image is transformed by performing three-dimensional processing in consideration of the unevenness and shading of the image. It is something to do.

However, according to the above-mentioned first method, it is necessary to prepare a glass plate that meets the conditions for deformation of a character image, and a complicated work such as photographing with a camera is required. According to the second method, since the image has to be represented by three-dimensional data, it is necessary to input a large amount of data. Further, in order to perform three-dimensional processing by computer graphics, it is necessary to prepare a high-speed computer capable of executing a complicated and large amount of calculation processing.

[0005]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a deformed image creating apparatus capable of easily performing image deformation associated with image synthesis.

[0006]

According to a first aspect of the present invention, there is provided an image input means for inputting a reference image and an image to be processed which is superimposed and synthesized on the reference image, and density of each pixel of the reference image. Based on the above, a deformation amount calculating means for calculating deformation amount data representing an amount of movement of each pixel of the processing target image, and a deformation means for moving or copying each pixel of the processing target image according to the deformation amount data are provided. The modified image creating apparatus is characterized by the above.

[0007]

In the invention described in claim 1, the image input means inputs the reference image and the image to be processed. The deformation amount data calculation unit calculates the deformation amount data indicating the movement amount of each pixel of the processing target image based on the density of each pixel of the reference image. Then, the deforming unit moves or copies each pixel of the processing target image according to the deformation amount data.

For example, if an image of a character or the like is actually floated on the surface of water, the image of the character looks fluctuating (deformed) through ripples or the like on the surface of the water. Here, the ripples on the water surface are
It is expressed as a change in density in the reference image. Therefore, by deforming the processing target image that represents a character or the like based on the density of each pixel of the reference image, it is possible to reproduce how the character floating on the water surface actually fluctuates.
That is, the image deformation processing can be performed by moving each pixel of the processing target image according to the density of the reference image. Therefore, according to the present invention, since it is not necessary to perform complicated calculation processing such as three-dimensional processing of images and complicated optical processing such as camera photographing, it is possible to easily perform image deformation accompanying image combination. it can.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A modified image forming apparatus according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a modified image creating apparatus according to this embodiment. This modified image creating apparatus is a CPU
1, a keyboard 101, a mouse 102, an interface 103, a scanner 104, a display 105, a color printer 106, a hard disk unit 107, a magneto-optical disk unit 108, and the like. C
The PU 1 performs image deformation processing and the like, and includes a deformation amount calculation unit 11 that calculates the deformation amount data 12, a deformation unit 13 that deforms the shape of the image according to the deformation amount data 12,
A synthesizing unit 14 that synthesizes the reference image A and the modified processing target image B is provided. Here, the reference image A is an image used as a background like an image representing the water surface. Further, the processing target image B is an image that is a target of the deformation processing when the processing target image B is superimposed on the reference image A.

The keyboard 101 is for inputting conditions (parameters) for transforming an image. The conditions for image deformation include the amount of deformation (number of pixels) and the direction of deformation (angle). Mouse 102
Displays the reference image A and the processing target image B on the display 1
05 is a pointing device for selecting on. The interface 103 is for inputting and outputting image data such as the reference image A and the processing target image B. Further, the scanner 104 reads a document image such as a photograph or a character and outputs a reference image A and a processing target image B represented by digital data. The display 105 is for displaying the reference image A, the processing target image B, the modified processing target image B, an image obtained by combining these, and the like, and is configured by a CRT or the like. The color printer 106 has a function of outputting a hard copy of the reference image A, the processing target image B, and the like.
The hard disk unit 107 stores an application program, and the magneto-optical disk unit 108 stores a reference image A, a processing target image B, and the like.

The operation of the deformed image forming apparatus configured as described above will be described with reference to the flowchart of FIG.

First, when the operator inputs a predetermined command from the keyboard 101, the CPU 1 reads an image from the magneto-optical disk unit 108 and the display 1
It is displayed on 05. The operator uses the mouse 102 to select the images to be used as the reference image A and the processing target image B from the displayed images (S1). The reference image A and the processing target image B selected in this way
An example is shown in FIG. The concentric circles of the reference image A in this figure represent ripples on the water surface. The reference image A and the processing target image B are composed of image data of each color such as yellow, magenta, cyan, black, or red, green, blue, etc., and the image data of each color is composed of a plurality of pixels. Also, each pixel is represented by 8 bits,
It is possible to express 256 gradations from 0 to 255. The ripple portion of the reference image A described above is represented as a change in density.

Further, the operator is required to display 10
5, the processing target image B is superimposed on the reference image A, and the coordinates of the origin (upper left corner) of the processing target image B in the reference image A is input to the CPU 1 as a reference point 21. The reference point 21 serves as a reference point for superimposing the standard image A and the processing target image B.

Next, the operator uses the keyboard 101 to select the color component of the image B to be processed which is to be transformed.
And the like (S2). Here, for example, cyan is designated. Then, the operator similarly designates the lower limit value, the upper limit value, the deformation amount, and the deformation direction of the gradation to the CPU 1 using the keyboard 101 or the like (S3). The amount of deformation represents the maximum value of the amount of deformation of the processing target image B by the number of pixels. Further, the deformation direction indicates in which direction the image to be processed B is deformed, and is designated by an angle. For example, a desired angle (such as 90 °) is designated as the movement direction from the angles shown in the right column of FIG.
The lower limit value and the upper limit value of the gradation specify the gradation range of the reference image A, and the deformation amount of the processing target image B is determined based on the gradation specified by this range.

When the deformation condition is designated by the above-mentioned processing, the deformation amount calculating means 11 determines the deformation amount of each pixel of the processing target image B according to the density of each pixel of the reference image A (S4). For example, the lower limit value of gradation is 0 and the upper limit value is 25.
5. If the deformation amount is set to 3 pixels at maximum, the deformation amount (number of moving pixels) corresponding to the density (gradation) of the reference image A is determined as shown in the table in the left column of FIG.

Next, the deformation amount calculation means 11 calculates the deformation amount data (table) 12 representing the deformation amount for each pixel of the processing target image B based on the deformation amount shown in FIG. 4 (S5). That is, when the reference image A and the processing target image B are superposed, the pixel of the reference image A located on the same coordinate as the pixel of the processing target image B is obtained, and the pixel of the processing target image B Calculate the amount of movement. As a result, the movement amount of each pixel of the processing target image B is determined according to the density of each pixel of the reference image A. The collection of data of the movement amount is the deformation amount data, and an example of the deformation amount data is shown in Table 3 of FIG.
Shown in 1. In this figure, the value of the deformation amount shown in Table 31 also changes corresponding to the large change in the density of the ripple portion (the portion represented by the concentric circles) of the reference image A. The calculated deformation amount data 12 is stored in the memory in the CPU 1.

The deforming means 13 deforms the processing target image B according to the deformation amount data 12 and the designated deformation direction (S6). That is, each pixel forming the processing target image B is copied at a position separated by a predetermined movement amount (number of pixels). Therefore, since the pixel before copying remains at the original position, a blank portion does not occur in the modified processing target image B. In addition, when each pixel forming the processing target image B is moved, a blank pixel portion generated by the movement may be interpolated based on the density values of the peripheral pixels.

The image B to be processed after the transformation is shown in FIG. The image portion 51 in the lower column of the figure is an enlargement of the portion within the circle of the processing target image B after deformation. The image portion 51 overlaps the ripple portion of the reference image A, and the shape of the image portion 51 changes in accordance with the ripple. This makes it possible to reproduce the fluctuation of the processing target image B on the reference image A representing the water surface. The processing target image B thus transformed and the reference image A
And are superimposed and synthesized by the synthesizing means 14, and output to the display 105, the color printer 106, or the like. With the above, the process of the modified image creating apparatus according to the present embodiment is completed.

As described above, in the present embodiment, the deformation processing of the processing object image B is performed by calculating the deformation amount of each pixel of the processing object image B based on the density of the reference image A. . Here, it is assumed that the reference image A is an image showing the water surface and the processing target image B is an image showing characters and the like. If an image of a character or the like is actually floated on the water surface, the image of the character looks fluctuating (deformed) in the ripples on the water surface.
Ripples and the like on the water surface are expressed as density differences in the reference image A. Therefore, by deforming the processing target image B based on the density of each pixel of the reference image A, it is possible to reproduce the actual fluctuation of the characters floating on the water surface.

[0021]

As described above, according to the present invention,
By determining the amount of deformation of the processing target image based on the density of the reference image, the image deformation process associated with the image synthesis is performed. Therefore, since complicated calculation processing such as three-dimensional processing of the main image and complicated optical processing such as camera photographing are not required, the image deformation accompanying the image combination can be easily performed.

[Brief description of drawings]

FIG. 1 is a block diagram showing a modified image creating apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing a reference image and a processing target image according to an embodiment of the present invention.

FIG. 3 is a diagram for explaining deformation amount data according to an embodiment of the present invention.

FIG. 4 is a table showing various conditions of transformation processing according to an embodiment of the present invention.

FIG. 5 is a diagram showing a modified image to be processed according to an embodiment of the present invention.

FIG. 6 is a flowchart showing an operation of the modified image creating apparatus according to the embodiment of the present invention.

[Explanation of symbols]

 11 Deformation amount calculation means 12 Deformation amount data 13 Deformation means 103 Interface (image input means) 104 Scanner (image input means) 108 Magneto-optical disk (image input means)

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁶ Identification number Internal reference number FI Technical indication H04N 5/262 (72) Inventor Tomohiro Sawada 1-5-1, Taito, Taito-ku, Tokyo Toppan stamp printing Within the corporation

Claims (1)

[Claims] 1. A reference image and an image input unit for inputting a processing target image to be superimposed and synthesized on the reference image; and a moving amount of each pixel of the processing target image based on a density of each pixel of the reference image. A deformed image creation apparatus comprising: a deformation amount calculation unit that calculates the represented deformation amount data; and a deformation unit that moves or copies each pixel of a processing target image according to the deformation amount data.