JPH0398172A - Image synthesizing system for image processing - Google Patents

Abstract

PURPOSE:To easily synthesize a 3-dimensional image at a high speed by changing a synthetic image into an optional shape of an image to be synthesized based on an instruction of a pointing device. CONSTITUTION:A mesh production means 31 produces the meshes to divide a synthetic image, and a mesh deforming means 32 changes the produced mesh into the shape of an image to be synthesized based on an instruction of a pointing device 5. Thus a deformed mesh is obtained. A picture synthesizing means 33 deforms each of graphics obtained by dividing the synthetic image by meshes so as to secure the accordance with the deformed mesh and synthesizes the synthetic image with the image to be synthesized based on the correspondence secured between the synthetic image and the mesh produced by the means 31 as well as the correspondence between the mesh produced by the means 31 and the deformed mesh obtained via the means 32. Thus it is possible to easily synthesize a 3-dimensional image with which the coincidence is obtained between the synthetic image and the shape of the image to be synthesized.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to image processing by a computer, and in particular, to an image to be synthesized (a certain pattern, etc., hereinafter referred to as a synthesized image). This invention relates to an image compositing method in image processing that performs a process of compositing on a composite image (hereinafter referred to as an image to be composited). [Conventional technology] Conventionally, as an image compositing method in this type of image processing, the following method has been adopted. ．■ Transformation of the entire composite image. A method of enlarging and reducing the composite image and compositing the composite image two-dimensionally (without creating a three-dimensional effect) with the composite image ■ Object shape of the 3D surface model related to the composite image A method for manipulating and composing a composite image with a to-be-composed image based on information [Problem to be solved by the invention] Image composition method in the first conventional image processing described above (
Method (2) has the disadvantage that the synthesized image does not match the shape of the image to be synthesized, resulting in an unnatural image (three-dimensional image synthesis with a three-dimensional effect cannot be performed). The image synthesis method in the conventional second image processing described above (
Method (2) requires object shape information regarding the images to be synthesized, so the image synthesis process is extremely difficult. J becomes sloppy,
The disadvantage of this method is that the image synthesis process takes a long time when the related images have complex shapes. In view of the above-mentioned points, an object of the present invention is to eliminate the above-mentioned drawbacks and to facilitate three-dimensional image synthesis (with a three-dimensional effect) that allows the synthesized image to be completely dependent on the shape of the image to be synthesized. The purpose of this research is to provide an image synthesis method for image processing that can be performed at high speed. [Means for Solving the Problems] The image synthesis input method in image processing of the present invention combines a composite image input by an image input means with a to-be-composed image input by an image input means, and displays the composite image on an image display means. In an image synthesis method for image processing for display, there is a mesh creation means that creates a mesh that divides the composite image, and a mesh created by this mesh creation means that is transformed into the shape of the image to be combined based on instructions from a pointing device. Based on the correspondence between a mesh deformation means that creates a mesh, the composite image and the mesh created by the mesh creation means, and the correspondence between the mesh created by the mesh creation means and the deformed mesh created by the mesh transformation means. The synthesized image has an image synthesis means that transforms each figure divided by the mesh so as to fit the deformed mesh and synthesizes the synthesized image with the image to be synthesized. [Operation] In the image synthesis method in the image processing of the present invention, the mesh creation means creates a mesh that divides the combined FIi hundred patterns,
The mesh deformation means transforms the mesh created by the mesh creation means into the shape of the image to be synthesized based on instructions from the pointing device to create a deformed mesh, and the image synthesis means performs synthetic image copying and generates the mesh created by the mesh creation means. Based on the correspondence between the mesh created by the mesh creation means and the deformed mesh created by the mesh deformation means, a composite image is created by deforming the individual figures divided by the mesh to fit the deformed mesh and combining them. Combine the images into a target image. [Example] Next, the present invention will be explained with reference to the drawings. FIG. 1 is a block diagram showing the structure of an embodiment of the image synthesis method in image processing of the present invention. The image synthesis method in the image processing of this embodiment consists of an image input stage 1 for inputting images (synthesized images, images to be synthesized, etc.), image data input by the image input means 1, and processing by the image processing means 3. an image storage means 2 for storing data in the process and data of processing results, an image processing means 3 for processing the image inputted by the image input 1,000 steps, and image copying and processing in the process of processing by the image processing means 3. It is configured to include an image display means 4 for displaying an image as a result of processing, and a pointing device (such as a mouse) 5 for giving instructions to the image processing means 3 regarding the image displayed by the imitation display means 4. The image processing means 3 includes a mesh creation means 31 that creates a mesh for dividing the composite image in the image input by the image input means 1, and inputs the mesh created by the mesh creation means 31 through the image input stage 1. Mesh transformation means 32 that transforms into the shape of the image to be synthesized in the image
(a mesh created by deformation is referred to as a deformed mesh), and an image compositing means 33 that combines a composite image with an image to be synthesized so as to match the shape of the deformed mesh created by the mesh deforming means 32. ing. Next, the operation of the image synthesis method in the image processing of this embodiment configured as described above will be explained.

Here, we will discuss the operation when image synthesis processing (image synthesis processing in which the pattern of the composite image 11 is synthesized with the rectangular parallelepiped-shaped image that is the image to be synthesized l3) as shown in Fig. 2 (rat to Ic) is performed. explain. The image input means 1 inputs a composite image l1 and a composite image l3. Composite image l1 and composite image 13 from image input means 1
Each means in the image processing stage 3 that receives the image performs the following processing. The mesh creation means 31 creates a mesh 12 (in this case, a mesh consisting of a plurality of rectangles, see FIG. 2(a)) for dividing the composite image 1l, and displays the mesh 12 on the image display means 4.
(Thus, the composite image 1l is displayed on the mesh l2
is divided by any number of rectangular shapes. Data indicating the correspondence between the composite image l1 and the mesh l2 is stored in the image storage means 2). The mesh deformation means 32 is
Based on instructions from the pointing device 5, the mesh 12 created by the mesh creation means 31 is transformed into a rectangular parallelepiped shape that fits the image to be combined 13 to create a deformed mesh l4 (see FIG. 2)) (Data indicating the correspondence between the mesh l2 and the deformed mesh 14 is stored in the image storage means 2. The shape of the mesh l2 in the process of deformation is displayed on the image display means 4 for instruction by the pointing device 5, The image 13 is displayed on the image display means 4 so that it can be referenced when giving the above instructions). This deformation is performed by moving the lattice points of the mesh 12 (including the mesh in the process of deformation) according to instructions from the pointing device 5 (a situation may occur in which a plurality of lattice points overlap in the process of deformation). In this case, when it is desired to make the mesh 12 more closely approximate the shape of a rectangular parallelepiped (the image to be synthesized l3), control is passed to the mesh creation means 31 during the deformation process, and the mesh l2 is divided into even smaller parts, so that the shape of the rectangular parallelepiped can be more precisely Deformation that approximates the shape is performed using 1,000 stages of mesh deformation 32. The image synthesizing means 33 combines the synthesized image 11 with the mesh 12 based on the data indicating the correspondence between the synthesized image 1l and the mesh l2 stored in the image storage means 2 and the data indicating the correspondence between the mesh l2 and the deformed mesh 14. The divided individual rectangles (patterns inside the rectangles) are deformed to fit the deformed mesh l4 (deformed into the form of individual quadrilaterals that make up the deformed mesh 14), and the composite image l1 is synthesized. The image 13 is synthesized, and a synthesized result image 15, which is the image resulting from the synthesis, is displayed on the image display means 4 (see FIG.
(See Cl). According to the above-described image synthesis processing, object shape information regarding the image to be synthesized 13 is not required, and the synthesized image 11 can be made to match the shape of the image to be synthesized 13. It is possible to perform image synthesis easily and quickly. [Effects of the Invention] As explained above, the present invention creates a three-dimensional image with a three-dimensional effect by transforming a composite image into an arbitrary shape of the composite image based on instructions using a pointing device such as a mouse. The effect is that image synthesis (image synthesis that does not look unnatural) can be easily performed at high speed (without the need for complex processing to handle object shape information, etc.).The present invention is particularly useful in the field of computer graphics. By using , the above effects can be brought out significantly.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and FIG. ．． In the figure, l... Image input means, 2... Image storage means, 3... Image processing means, 4... Image display means, 5... Pointing device, 11... Composite image, 12 ... Mesh, 13... Image to be synthesized, 14... Deformed mesh, l5... Synthesis result image, 3l... Mesh creation means, 32... Mesh deformation means, 33. - Image synthesis means It is.

Claims (1)

[Scope of Claims] In an image compositing method in image processing in which a composite image input by an image input means is composited with a composite image input by the image input means and displayed on an image display means, a mesh for dividing the composite image is provided. a mesh creating means for creating a mesh; a mesh transforming means for creating a deformed mesh by transforming the mesh created by the mesh creating means into the shape of an image to be synthesized based on instructions from a pointing device; and a composite image and the mesh creating means. Based on the correspondence with the mesh created by the mesh creation means and the correspondence between the mesh created by the mesh creation means and the deformed mesh created by the mesh transformation means, the composite image adapts the individual figures divided by the mesh to the deformed mesh. An image compositing method for image processing, comprising an image compositing means for deforming the composite image so as to combine the composite image with the composite image.