JPH05232890A - Stereoscopic image forming method and device - Google Patents

Abstract

PURPOSE:To form plural sheets of pseudo stereoscopic parallax images and stereoscopic images having correlative relations which can be stereoscopically viewed on the bases of ordinary photograph images by an electronic image processor. CONSTITUTION:In the method for forming the stereoscopic images which forms the stereoscopic images having a middle image Mi, a relief front image Fr or/and a recessed back image Ba; an intereye distance is designated as EL, the distance between the optical centers of the respective lenses of a lenticular screen or multiple parallel line slit part and a picture element forming surface as Od, an observation distance as Ed, a relief distance Fd and a recessing distance as Bd. The pseudo stereoscopic parallax images are then formed by setting the picture element mis-alignment quantity Ms of the middle image Mi based on a function F(Od)=(OdXEL)/Ed, the picture element mis-alignment quantity (parallax quantity) Fs the front image Fr based on a function F (Fd)=(Od+Fd)EL/Ed-Fd) and the picture element mis-alignment quantity (parallax quantity) Bs of the back image Ba based on a function F(Bd)=(Bd-Od)EL /(Ed+Bd). The stereoscopic images are formed by using these images.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a method and apparatus for forming stereoscopic images using an image processing apparatus.

[0002]

2. Description of the Related Art A conventional stereoscopic image forming method is a photographic method, in which a subject is photographed by a multi-lens camera, or the photographing camera is relatively linear or radial with respect to the subject. After taking multiple photographic images with parallax by moving them continuously or intermittently, the images are decomposed into pixels on a photographic film through a lenticular screen. It was synthesized so that it could be observed.

[0003]

The above-mentioned conventional method requires a multi-lens camera, a moving camera, or a device for linearly or rotationally moving an object in photographing. It has been difficult to obtain a stereoscopic image even if an ordinary photographic image other than the photographic image taken by the means is decomposed into pixels and combined. Although it is not impossible to draw by hand a plurality of parallax images having a correlation capable of stereoscopic viewing, it takes a considerable amount of time and requires skill.

According to the present invention, the electronic image processing apparatus does not use an actual stereoscopic image capturing apparatus, but a plurality of stereoscopically visible correlations based on a normal photographic image, an electronic image, or a composite image thereof. The pseudo-stereoscopic parallax image having the parallax is created so that the stereoscopic image can be formed by the stereoscopic parallax image.

[0005]

The first invention of the present invention is as follows:
A front image Fr that is raised with respect to an intermediate image Mi formed in a plane including the optical center O of each cylindrical lens of the lenticular screen or the line slit portion, or /
And a stereoscopic image forming method for forming a stereoscopic image having the sunken image Ba, an inter-eye distance EL, a distance Od between an optical center O of each cylindrical lens of the lenticular screen or a linear slit portion, and an observation distance E.
d, the protruding distance Fd, and the sinking distance Bd, the function F (O
The pixel shift amount Ms for obtaining the intermediate image Mi is set based on d) = (OdXEL) / Ed, and the function F (Fd) = (Od + Fd) EL / (E
The pixel shift amount (parallax amount) Fs for obtaining the front image Fr is set based on d-Fd), and the function F (Bd) = (Bd-Od) EL /
A plurality of pseudo stereoscopic parallax images are created by setting a pixel shift amount (parallax amount) Bs for obtaining the rear image Ba based on (Ed + Bd), and a stereoscopic image is formed using the stereoscopic parallax images. Is a three-dimensional image forming method.

A second aspect of the present invention is to use an image data recording memory 10 for recording image / character data and two-dimensional image composition, two-dimensional image division and two-dimensional image assembly using the read image data. And an image processing apparatus 11 for performing image processing such as image conversion processing from a two-dimensional image to a stereoscopic pixel based on a predetermined calculation program, and a printer for printing out the image processed by the image processing apparatus 11 on a predetermined sheet. Or a photographic film, an image / character output device 12 such as a film recorder for projecting output onto a photosensitive material with or without a lenticular screen, and the image processing device 11 includes an inter-eye distance EL and a lenticular screen. Distance Od between lens optical center or line slit and image forming surface, observation distance Ed, embossing distance d, as sinking distance Bd, function sets a pixel shift amount Ms to obtain an intermediate image Mi F (O
d) = (OdXEL) / Ed and a function F (Fd) = (Od + Fd) EL / (E which sets the pixel shift amount (parallax amount) Fs for obtaining the front image Fr.
Pseudo-stereoscopic parallax image creation based on d-Fd) and a function F (Bd) = (Bd-Od) EL / (Ed + Bd) that sets the pixel shift amount (parallax amount) Bs for obtaining the rear image Ba The three-dimensional image forming apparatus is characterized by including a calculation program for the three-dimensional image forming apparatus.

[0007]

EXAMPLES The three-dimensional image forming method of the first invention will be described in detail below. 1 (a) to 1 (d),
The two-dimensional image synthesizing step in the first invention method will be described. Each image K1 (a single image K1) is a normal two-dimensional image (monochrome image, color image) that is unrelated to the correlation with stereoscopic parallax. Good) and image L1
, The image M1 and the image Z1 are combined by cutting or superimposing by a photographic method or an electronic image processing apparatus to obtain a normal first combined photograph.

Subsequently, the same image K1 (may be only the image K1), the image L1, the image M1 and the image Z1 are obtained by a photographic method or an electronic image processing apparatus.
An ordinary second composite photograph is obtained by combining by cutting or superimposing. In this way, the nth composite photograph n is obtained, and the first composite photograph to the nth composite photograph n are obtained.
It is the same image up to.

Next, as shown in FIG. 2, from the same image from the first composite photograph to the nth composite photograph n, first,
A desired pattern portion (for example, a certain pattern in the image K1) to be an intermediate image Mi (an image without embossment and depression) in a plane passing through the optical center O of each cylindrical rinse of the lenticular screen 2 as shown in FIG. All of the images K1 to Z1 may be used).

Subsequently, the pixel shift amount Ms = function F (Od) = (OdXEL) / Ed for obtaining the intermediate image Mi is calculated, and only the selected entire pattern area (or its outline portion) is calculated. A pair (two or two frames) of pseudo stereoscopic parallax images shifted in the left-right direction by the pixel shift amount Ms is formed by an electronic image processing apparatus in which the above function is set as an arithmetic program, and the pair of pseudo-parallax images is formed. While holding the displacement amount Ms of the stereoscopic parallax image, the same portion of the selected picture in each of the composite photograph to the composite photograph n is image-processed by an electronic image processing device in which the above function is set as an arithmetic program, and little by little ( Pseudo three-dimensional parallax image-1 having an intermediate image Mi shifted by a pixel combination enlargement ratio m and a pixel width p that is pixel combined as a pixel combined projection distance t, which will be described later, by p / (m × t) , -2, -3 -4 ··· n-n
To form an image.

Alternatively, the mutual displacement amount Ms between the pair of pseudo stereoscopic parallax images is divided into n, and Ms / n = M
s'is used as a shift amount and is slightly shifted in the left-right direction by the electronic image processing device, so that n or n frames of pseudo stereoscopic parallax images -1, -2, -3, -4.
..N-n is used to form an image.

At the same time, from the same image from the first composite photograph to the nth composite photograph n shown in FIG. 2, a plane passing through the optical center O of each cylindrical rinse of the lenticular screen 2 as shown in FIG. A desired pattern portion that should be the front image Fr protruding by a distance Fd from the image K (for example, the image K other than the pattern selected as the intermediate image Mi).
1), or any one of the images K1 to Z1).

Subsequently, the pixel shift amount Fs for obtaining the front image Fr = function F (Fd) = (Od + Fd) EL / (Ed-Fd) is calculated,
A pair of (two or two frames) pseudo stereoscopic parallax images obtained by shifting only the entire design area (or its design outline portion) selected as the front image Fr in the left-right direction by the pixel shift amount Fs are described above. The function is formed by an electronic image processing device in which a function is set as an arithmetic program, and the same portion of the selected pattern in each of the composite photograph to the composite photograph n is retained while retaining the shift amount Fs of the pair of pseudo stereoscopic parallax images. Image processing is performed by an electronic image processing apparatus in which a function is set as a calculation program, and the image processing is performed little by little (a pixel combination enlargement ratio m to be described later,
Pseudo stereoscopic parallax images -1, -2,-, each having a front image Fr shifted by p / (m × t) with respect to a pixel width p that is pixel-synthesized as a pixel-synthesis projection distance t
3, -4 ... n-n are used to form an image.

Alternatively, the mutual shift amount Fs between the pair of pseudo stereoscopic parallax images is divided into n, and Fs / n = F
s'is used as a shift amount and is slightly shifted in the left-right direction by the electronic image processing device, so that n or n frames of pseudo stereoscopic parallax images -1, -2, -3, -4.
..N-n is used to form an image.

At the same time, from the same image from the first composite photograph to the nth composite photograph n shown in FIG.
The desired pattern portion to be the rear image Ba that is depressed by the distance Bd from the plane passing through the optical center O of each cylindrical rinse of the lenticular screen 2 as shown in FIG. 2 (for example, other than the patterns selected as the intermediate image Mi and the front image Fr). Among them, a certain pattern in the image K1 may be selected, or any one of the images K1 to Z1 may be selected).

Subsequently, the pixel shift amount Bs for obtaining the rear image Ba = function F (Bd) = (Bd-Od) EL / (Ed + Bd) is calculated,
A pair of (2 or 2 frames) pseudo stereoscopic parallax images obtained by shifting only the entire pattern area (or its pattern outline portion) selected as the rear image Ba in the left-right direction by the pixel shift amount Bs are described above. The function is formed by an electronic image processing apparatus in which a function is set as an arithmetic program, and the same portion of the selected pattern in each of the composite photograph to the composite photograph n is retained while retaining the shift amount Bs of the pair of pseudo stereoscopic parallax images. Image processing is performed by an electronic image processing apparatus in which a function is set as a calculation program, and the image processing is performed little by little (a pixel combination enlargement ratio m to be described later,
Pseudo stereoscopic parallax images -1, -2,-having rear images Ba shifted by p / (m × t) from the pixel width p to be pixel-synthesized as the pixel-synthesis projection distance t
3, -4 ... n-n are used to form an image.

Alternatively, the mutual shift amount Bs between the pair of pseudo stereoscopic parallax images is divided into n, and Bs / n = B
s'is used as a shift amount and is slightly shifted in the left-right direction by the electronic image processing device, and each of the n or n frames of pseudo stereoscopic parallax images -1, -2, -3, -4 ...
nn forms an image.

As shown in FIG. 3, FIG. 4 and FIG. 5, the above-mentioned function is obtained by the inter-eye distance EL of the observing eye 1, the optical center of each cylindrical lens of the lenticular screen 2 and the pixel Ce.
1, Ce2, Ce3, Ce4, Ce5, Ce6, Ce7, Ce8, Ce9,
Ce10, Ce11, Ce12, Ce13, Ce14 are the distance Od between the pixel forming sheet formed between the lenticular screen 1 and the image forming surface 3a of the photosensitive material 3, the observation distance Ed, the protruding distance Fd, and the sinking distance Bd. It has been set. In this way, n pseudo stereoscopic parallax images having a correlation of stereoscopic parallax, which are converted with a predetermined shift amount to form the intermediate image Mi, the front image Fr, and the rear image Ba, are obtained.

Next, as shown in FIG. 6, n pseudo stereoscopic parallax images (-1, -2, -3, -4.
..N-n) pixels are synthesized, and each of these n pseudo pseudo parallax images is lenticular screen 2 (screen lens pitch P, optical center O and pixel formation surface 3a). The distance between and is Od)
Through projection exposure on the pixel forming surface 3a of the photosensitive material at a pixel combination enlargement ratio m and a pixel projection distance t, the combination including all the pixels (pixel width p) of the n pseudo pseudo parallax images. Image-n. The relationship between the lens pitch P and the pixel width p of each pseudo stereoscopic parallax image is P
= A × p (a is an integer) is desirable.

FIGS. 7 and 8 show another embodiment of the first invention method, which is the function F (Od), F (F
d), n pseudo pseudo parallax images (-1, -2,-) obtained by F (Bd) and having a correlation of stereoscopic parallax with each other.
3, -4 ... N-n) is a method of synthesizing pixels by an electronic image processing device when synthesizing pixels.

In FIG. 7, assuming that the pixel combination enlargement ratio is m and the lens pitch width of the observing lenticular screen 2 is P, the stereoscopic parallax image (-1, -2,-) is obtained.
3, -4 ... n-n) is equally divided into pitch widths P / m by the electronic image processing device.

Subsequently, in FIG. 8, each of the divided images obtained by equally dividing each of the pseudo stereoscopic parallax images into P / m is compressed into a pixel width p / m by the image compression processing mechanism of the electronic image processing apparatus. ..

The divided images of the pseudo stereoscopic parallax images thus compressed are pixel-combined at a magnification of 1 in FIG. 9A, and the pseudo stereoscopic parallax image is n = 3.
Taking the case of (3 pseudo stereoscopic parallax images) as an example, three pseudo stereoscopic parallax images (-1, -2, and -3 divided images are images in reverse order sorting processing of the electronic image processing device). Pixels are combined by the combining process and accommodated within the one pitch width P of the lenticular screen 2, and a combined image -n (n = 3) is obtained.

The composite image -n (n = 3) subjected to pixel composition processing by the electronic image processing device is output to a predetermined sheet by a printer or a predetermined photosensitive material (monochrome photographic paper,
The image is exposed and output to a color photographic paper or the like), and a stereoscopic image is observed through the observation lenticular screen 2 shown in FIG. 9B.

In the stereoscopic image forming method of the present invention, a movable or rotary stereoscopic photographing camera (including a video camera and a digital camera), a fixed camera (video camera, which captures a laterally or rotationally moving object) is used. A plurality of or a plurality of frames of stereoscopic parallax images correlated with each other by a stereoscopic image capturing device such as a digital camera), a multi-lens camera (including a video camera, a digital camera), or electronic image processing. It is conceivable that a plurality of frames of stereoscopic parallax images, which are recorded in the image data memory of the apparatus and have a correlation of stereoscopic parallax, are prepared in advance.

In such a case, the functions F (Od), F (Fd) and F (Bd) are obtained from a photographed stereoscopic parallax image obtained by photographing outdoors or indoors and a normal image. In addition, n pieces of pseudo three-dimensional parallax images that have a correlation of three-dimensional parallax with each other are two-dimensionally image-combined to form two pieces of two-dimensional composite images, and then pixel combination is performed. Using the image output projector such as a film recorder, the obtained pseudo-stereoscopic parallax image is projected and exposed on the surface of the photosensitive material through the lenticular screen 2, and the pixels are combined to combine the pseudo-stereoscopic image and the normal image. An image can be formed.

FIG. 10 (a) shows a plurality of frames of stereoscopic parallax images K1, K2, ... Correlating with each other obtained by photographing a subject outdoors or indoors by the stereoscopic photographing device. -A plan view of Kn. Figure 10 (b)
Is a plan view of the normal image L. This normal image L (a normal image L as one manuscript or an electronic image of one image frame, or a plurality of sheet manuscripts, a photo manuscript, or one to a plurality of image frames It may be an electronic image)
As shown in FIG. 10C, the functions F (Od), F (Fd),
By using F (Bd), the distance Od between the lens optical center O of the lenticular screen 2 and the pixel formation surface, the front image distance F
The conditions such as d and the rear image distance Bd are the same as the conditions for the stereoscopic photography (stereoscopic image capturing) at the time when the image is taken outdoors or indoors, or have a correlation of stereoscopic parallax corresponding to these conditions. n pseudo pseudo parallax images L1, L2, ...
・ Get Ln.

In this case, the stereoscopic parallax images K1, K2, ... Kn photographed by the stereoscopic photographing device and the pseudo-stereoscopic parallax images L1, L2, ... Ln obtained by the function K1 and L1, respectively. The shift amount Ms of the intermediate image between K2 and L2, ... Kn and Ln, the shift amount Fs of the front image, and the shift amount Bs of the rear image are such that the ratio of the combining magnifications at the time of combining the images is 1
In the case of 1, it is desirable to set a correspondence relationship such that they coincide with each other or substantially coincide with each other, or a relationship corresponding to the ratio m of the composite magnification.

Subsequently, in FIG. 10 (d), the stereoscopic parallax images K1, K2, ... Kn taken by using a stereoscopic photographing device outdoors and indoors, and obtained by using a function, respectively. Ln is combined with the pseudo-stereoscopic parallax images L1, L2, ... Ln to obtain n pseudo-stereoscopic parallax images-1, -2, ...

Each of the pseudo-stereoscopic parallax images -1, -2, ..., nn obtained in this manner is passed through a lenticular screen 2 through a lenticular screen 2 as shown in FIG. After exposing the photosensitive material surface on the back side of the screen to synthesize pixels, or to obtain a compressed pixel having a pixel width p by an electronic image compression method using an electronic image processing device, synthesize the compressed image with a pixel, and then print the printer. Image output device creates a composite image on a specified sheet-
get n.

Further, using the stereoscopic parallax images K1, K2, ... Kn respectively photographed by a stereoscopic photographing device in the outdoors and indoors in FIG. 10 (a) and the function in FIG. 10 (c). Each of the obtained pseudo stereoscopic parallax images L1, L2, ... Ln
And 3 are projected and exposed onto a photosensitive material and a photosensitive film provided on the back surface (flat surface side) through the lenticular screen 2 using an image projector such as a film recorder to form a three-dimensional image with a composite pixel having a pixel width p. To form.

The three-dimensional image forming method of the present invention is not limited to the three-dimensional image formation using the lenticular screen 2.
It can also be used for three-dimensional image formation of a type in which lines having slit-like light transmitting portions of a predetermined width are arranged in stripes in a portion corresponding to a plane passing through each lens optical center O of the lenticular screen 2. is there.

The above-described first invention method has been described by taking the case of a stereoscopic image composed of the intermediate image Mi, the front image Fr, and the rear image Ba as an example. In the case of a stereoscopic image without the image Ba,
Or in the case of a stereoscopic image without the front image Fr, or
Of course, it can be used even in the case of a stereoscopic image without the intermediate image Mi.

Further, in the method of the present invention, the intermediate image Mi
Deviation amount Ms, deviation amount Fs of front image Fr, rear image B
By appropriately setting the shift amount Bs of a, the intermediate image Mi observed in a plane passing through the lens optical center O of the lenticular screen 2, the front image Fr protruding from it, and the depressed rear image Ba. It is possible to arrange a desired embossed image and a desired submerged image also between them.

Next, the three-dimensional image forming apparatus of the second invention will be described in detail with reference to the embodiments shown in FIGS. The three-dimensional image forming apparatus includes an image / character data recording memory 10, an electronic image processing apparatus 11, and an image / character output printer or an image / character output projector 12.

As shown in FIG. 13, an image / character of a normal photographic image recording sheet 40 (sheet original, photographic original, etc.) is read by an image scanner 50, and the read data is read by the image / character data recording memory 10. To record. Also, a photographic image recording disc 41 of a digital camera, a video camera, a video tape 42, a CD-ROM.
43, the character font recording medium 44 and the like are read by the recording data signal reproducing device 51, and the read data is recorded in the image / character data recording memory 10.

The electronic image processing device 11 reads out a desired image, character, symbol or the like designated from the image / character data recording memory 10 as an image on the CRT display 11b by an input instruction setting device 11a such as a keyboard or a mouse. It is also possible to read out desired images and characters from each image recording address and combine them, or to reverse display or cut out desired images and characters.

The electronic image processing apparatus 11 according to the present invention is
A function for setting the pixel shift amount Ms for obtaining the intermediate image Mi as the inter-eye distance EL, the distance Od between the optical center of each cylindrical lens of the lenticular screen and the pixel forming surface, the observation distance Ed, the protruding distance Fd, and the sinking distance Bd. F (Od) = (OdXEL) / Ed and a function F (Fd) = (Od + Fd) E for setting the pixel shift amount (parallax amount) Fs for obtaining the front image Fr.
L / (Ed-Fd) and a function F (Bd) = (Bd-Od) EL / (Ed +) that sets the pixel shift amount (parallax amount) Bs for obtaining the rear image Ba
Bd) and a calculation program data recording unit 11c for pseudo-stereoscopic parallax image conversion.

The input instruction setting device 11a such as a keyboard or a mouse is used to input the address of the designated image to the electronic image processing apparatus 11 and output it as it is, or a composite output instruction and a cutout output instruction, and the CRT display 1
A predetermined designated image is read out and displayed on 1b.

Further, data of the inter-eye distance EL, the distance Od between the optical center of each cylindrical lens of the lenticular screen and the pixel forming surface, the observation distance Ed, the protruding distance Fd, and the sinking distance Bd are input and set by the keyboard 11a, and the stereoscopic image is set. The conditions are set.

In the three-dimensional image forming apparatus of the present invention, first,
The electronic image processing device 11 selects a pattern area to be the intermediate image Mi, the front image Fr, and the rear image Ba from one designated image or a plurality of designated images, and calculates the setting condition and the function of the input stereoscopic image. Based on the program, each of the intermediate image Mi, the front image Fr, and the rear image B
The shift amounts Ms, Fs, and Bs of a are calculated.

Based on the result of the calculation, the electronic image processing device 11 performs image processing on the basis of the picture area unit of the designated image or the pixel unit of the picture, and has the deviation amounts Ms, Fs and Bs in the left and right directions. 1 pair (2 sheets or 2
A pseudo stereoscopic parallax image of (frame) is obtained.

While retaining the displacement amount Ms of the obtained pair of pseudo stereoscopic parallax images, each of the picture regions selected as the intermediate image Mi, the front image Fr, and the rear image Ba has an electronic function in which the above function is set as an arithmetic program. Image processing device 11
The image is processed by the image area unit or the pixel unit of the pattern little by little in the left-right direction (p / (m for the pixel width p to be pixel-combined as a pixel composition enlargement ratio m and a pixel composition projection distance t described later). Xt) Correspondingly) n pseudo-parallax images -1, -2, -3 of n sheets or n frames shown in FIGS. 2, 6, and 7 having the intermediate image Mi, the front image Fr, and the rear image Ba shifted. -4 ...
nn are imaged.

Alternatively, the shift amount Ms of the intermediate image Mi, the shift amount Fs of the front image Fr, and the rear image Bs between the pair of pseudo stereoscopic parallax images are divided into n equal parts to obtain Ms.
2, n, Ms', Fs / n = Fs', and Ba / n = Ba 'are used as shift amounts and are slightly shifted in the left-right direction by the electronic image processing apparatus. 11
, N or n frames of pseudo-stereoscopic parallax images -1, -2, -3, -4 ... n-n
To form an image.

In this way, the pseudo stereoscopic parallax image-1 obtained by image processing in the electronic image processing device 11,
The image data of −2, −3, −4, ..., Nn is, for example, the image / character output projector 12a shown in FIG.
(Each red (R), green (G), and blue (B) color light of the image is emitted as element light by three monochrome television picture tubes, and the element light is projected through each color filter.)
A three-dimensional image is formed by projecting and exposing the pixel forming layer 3 (monochrome photographic emulsion, color photographic emulsion, photographic photosensitive sheet, etc.) such as a photosensitive material through the lenticular screen 2. The photosensitive material 3 may be integrally bonded to the lenticular screen 2 or may be peelable.

Alternatively, pseudo-stereoscopic parallax images -1,-, obtained by image processing in the electronic image processing device 11
As shown in FIG. 7, the image data of 2, -3, -4, ... Nn is, for example, one pitch width P (or P / m) of the lenticular screen in the electronic image processing device 11.
Of the pixel width p (or p /) for each division unit as shown in FIG.
m) pixels, the image data (−)
, -2, -3, -4 ... nn), each pixel of the compressed pixel width p is as shown in FIG.
Pixel composition processing is carried out by sorting and housing within one pitch P of the lenticular screen 2.

As described above, the combined pixel data subjected to the pixel combination processing in the electronic image processing device 11 is processed by the image / character output projector 12a shown in FIG. Photographic paper)
Alternatively, the image / character output printer 12b outputs a visible image to the output print sheet 20 (printing paper or the like), and the lenticular screen 2 (1 pitch width = P) is superposed on the output print sheet 20 to obtain a stereoscopic image. It is what is done.

The three-dimensional image forming apparatus of the present invention is not limited to the three-dimensional image forming using the lenticular screen 2,
It can also be used for three-dimensional image formation of a type in which lines having slit-like light transmitting portions of a predetermined width are arranged in stripes in a portion corresponding to a plane passing through each lens optical center O of the lenticular screen 2. is there.

[0049]

According to the three-dimensional image forming method and apparatus of the present invention, the inter-eye distance EL, the distance Od between the optical center of each cylindrical lens of the lenticular screen and the image forming surface, and the observation distance E.
d, the protruding distance Fd, and the sinking distance Bd, the function F (O
The pixel shift amount Ms for obtaining the intermediate image Mi is set based on d) = (OdXEL) / Ed, and the function F (Fd) = (Od + Fd) EL / (E
The pixel shift amount (parallax amount) Fs for obtaining the front image Fr is set based on d-Fd), and the function F (Bd) = (Bd-Od) EL /
A pixel shift amount (parallax amount) Bs for obtaining the rear image Ba is set based on (Ed + Bd), and a graphic image, a character image, or a special pattern image stored in the image / character data recording memory is stored. Based on a composite image of a so-called normal image, a composite stereoscopic image of normal images, a plurality of stereoscopic parallax images obtained by stereoscopic photography outdoors or indoors, a stereoscopic parallax image and a normal image, Since two or more pseudo three-dimensional parallax images corresponding to the amount of shift are obtained, images that do not depend on three-dimensional photography (including composite images) and three-dimensional parallax images obtained by three-dimensional photography outdoors or indoors. An electronic image processing device can perform image processing on a composite image of a normal image and a normal image to easily form a stereoscopic image.

[0050]

The three-dimensional image forming method and apparatus of the present invention are
A stereoscopic image obtained by an actual stereoscopic image capturing device by dividing an ordinary photographic image into pixels and combining them without the need for a multi-lens camera, a moving camera, or a device for linearly moving or rotating an object. A stereoscopic image comparable to that can be easily created using an electronic image processing device, a twin-lens system stereoscopic image observation device, a stereoscopic image display display device for transmitting various information, an electric display device as a publicity medium, etc. It is extremely effective in forming a stereoscopic image used as the stereoscopic image of the image and forming a stereoscopic image using the stereoscopic image.

[Brief description of drawings]

FIG. 1A is an explanatory diagram of a step of obtaining a combined normal image by two-dimensionally combining the normal images in the first method of the present invention. (B) It is explanatory drawing of the process of obtaining a normal image by synthesize | combining a two-dimensional image of a normal image in the 1st invention method of this invention. (C) An explanatory view of a step of obtaining a normal image by synthesizing a normal image with a two-dimensional image in the first method of the present invention. (D) It is explanatory drawing of the process of obtaining a normal image by two-dimensionally synthesizing a normal image in the first invention method of the present invention.

FIG. 2 is an explanatory diagram of a process of converting a combined normal image into a stereoscopic parallax image in the first method of the present invention.

FIG. 3 is a side view illustrating an intermediate image in the first method of the present invention.

FIG. 4 is a side view illustrating a front image in the first invention method of the present invention.

FIG. 5 is a side view illustrating a rear image in the first method of the present invention.

FIG. 6 is an explanatory diagram of a process of obtaining a composite pixel from a plurality of stereoscopic parallax images by a projection method in the first invention method of the present invention.

FIG. 7 is an explanatory diagram of a step of equally dividing a plurality of stereoscopic parallax images by an electronic image processing device in the first invention method of the present invention.

FIG. 8 is an explanatory diagram of a step of performing image compression processing on each of the equally-divided plural stereoscopic parallax images in each division by the electronic image processing apparatus to form pixels in the first method of the present invention.

FIG. 9A is an explanatory diagram of a step of pixel-compositing a plurality of stereoscopic parallax images on which pixels are formed in an electronic image processing apparatus according to the first method of the present invention. (B) It is a top view of the lenticular screen for superposing on a pixel synthetic image in the 1st invention method of this invention.

FIG. 10 (a) is a plan view of a stereoscopic parallax image obtained by stereoscopic photography in the first method of the present invention. (B) A plan view of a normal image in the first invention method of the present invention. (C) A plan view of a stereoscopic parallax image converted from a normal image in the first invention method of the present invention. (D) An explanatory view of a step of synthesizing a stereoscopic parallax image obtained by stereoscopic photography and a stereoscopic parallax image converted from a normal image to obtain a plurality of combined stereoscopic parallax images in the first method of the present invention. is there.

FIG. 11 is an explanatory diagram of a step of forming pixels of a plurality of synthetic stereoscopic parallax images in the first method of the present invention.

FIG. 12 is a block diagram illustrating a second invention device of the present invention.

FIG. 13 is a schematic explanatory diagram of a process of recording normal image data and stereoscopic parallax image data from a recording medium to an image / character data recording memory in the second invention apparatus of the present invention.

[Explanation of symbols]

1 ... Observation eye 2 ... Lenticular screen 3 ... Pixel forming layer 3a ... Pixel forming surface 10 ... Image / character data recording memory 11 ... Electronic image processing device 11a ... Input setting device 11b ... CRT display 11c ... Calculation program data recording unit 12 Image output device 12a Image / character output projector 12b Image / character output printer 2
0 ... Output print sheet EL ... Interocular distance Ed ... Observation distance Od ... Distance between lens optical center and pixel forming surface O ... Lens optical center P
... Lens pitch width p ... Pixel width Mi ... Intermediate image Fr ...
Front image Ba ... Rear image Ms ... Deviation amount Fs ... Deviation amount Bs ... Deviation amount Fd ... Embossing distance Bd ... Subduction distance Ce1, Ce2, Ce3, Ce4, Ce5, Ce6 ... Pixel

Claims (2)

[Claims] 1. A stereoscopic image having a raised front image Fr and / or a depressed rear image Ba with respect to an intermediate image Mi formed in a plane including an optical center O of each cylindrical lens of a lenticular screen or a line slit portion. In the three-dimensional image forming method for forming an image, the inter-eye distance EL, the distance Od between each cylindrical lens optical center of the lenticular screen or the line slit portion and the image forming surface, the observation distance Ed, the protruding distance Fd, and the sinking distance Bd,
The pixel shift amount Ms for obtaining the intermediate image Mi is set based on the function F (Od) = (OdXEL) / Ed, and the function F (Fd) = (Od +
The pixel shift amount (parallax amount) Fs for obtaining the front image Fr is set based on Fd) EL / (Ed-Fd), and the function F (Bd) = (B
Based on d-Od) EL / (Ed + Bd), a pixel shift amount (parallax amount) Bs for obtaining the rear image Ba is set to create a plurality of pseudo stereoscopic parallax images, and the stereoscopic parallax images are used. A three-dimensional image forming method characterized by forming a three-dimensional image. 2. An image data recording memory 10 for recording image / character data, and two-dimensional image composition using the read image data, two-dimensional image division, two-dimensional image assembly, and a predetermined calculation program. An image processing apparatus 11 that performs image processing such as image conversion processing from a two-dimensional image to three-dimensional pixels, a printer that prints out the image processed by the image processing apparatus 11 onto a predetermined sheet, or a photographic film or a lenticular on a photosensitive material. An image / character output device 12 such as a film recorder for projecting output with or without a screen, and the image processing device 11 includes:
Pixel deviation amount for obtaining the intermediate image Mi as the inter-eye distance EL, the distance Od between the optical center of each cylindrical lens of the lenticular screen or the line slit portion and the image forming surface, the observation distance Ed, the protruding distance Fd, and the sinking distance Bd. Function F (Od) = (OdXEL) / Ed for setting Ms and forward image F
Function F (Fd) = (Od + Fd) EL / (Ed-Fd) for setting the pixel shift amount (parallax amount) Fs for obtaining r and the pixel shift amount (parallax amount) for obtaining the rear image Ba Function F (Bd) that sets Bs
A stereoscopic image forming apparatus comprising a calculation program for creating a pseudo stereoscopic parallax image based on = (Bd-Od) EL / (Ed + Bd).