JPH0292190A - Stereoscopic printing device - Google Patents

Abstract

PURPOSE:To make it unnecessary to stop a field end discriminate right and left pictures by successively reading and outputting video signals in one field from a field memory, and then outputting the video signals in the other field when continuous videos are printed. CONSTITUTION:When the continuous videos are printed, the video signals in one of right or left field are successively read from a field memory 6, and outputted to a printer 11. Thereafter, the video signals in the other one of the right or left field are successively read, and outputted to the printer 11. Thus, it is made unnecessary to stop the field and discriminate the right and left pictures by an operator, and anyone can easily separately prepare the pictures in a right and left stereo pair at every picture without taking the wrong pictures between the right and left ones.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a three-dimensional printing apparatus that creates a stereo pair from three-dimensional video signals.

<Prior art> Conventionally, this type of 3D printing device receives a 3D video signal from a recording/playback device such as a TR, and uses functions such as pause and frame advance of the recording/playback device to display the screen. There is one that freezes the image and prints the still image to create a stereo pair.

By the way, a stereo pair is used to view stereoscopic images, and as shown in Figure 4, a stereo pair is a pair of photographs, pictures, etc. for the left eye and for the right eye, arranged horizontally on the left and right, respectively. It is something.

To view this stereo pair in 3D, hold the stereo pair horizontally with both hands about 25cπ in front of both eyes, relax your eyes as if you are looking into the distance, and use your left eye to see the left picture, and your right eye to see the right picture. When you look at a picture, the left and right images come together and become one, giving you a three-dimensional view. This is called macroscopic stereopsis. Furthermore, stereoscopic viewing can be easily achieved by using a stereoscope.

In this way, stereo pairs can easily provide stereoscopic viewing without the need for any tools, and are therefore used in a wide range of fields, including presentations at academic conferences, creation of topographic maps, and medical care.

<Problems to be Solved by the Invention> By the way, the video signal for creating this stereo pair uses a stereoscopic video signal in which one frame consists of a field of video for the left eye and a field of video for the right eye. However, since the above-mentioned conventional 3D printing devices print still images, a recording/playback device equipped with a field freeze function that alternately displays the left image field and the right image field as still images is required. It was necessary.

Another drawback is that it is difficult to distinguish whether the image stopped at - is the left image or the right image, and the operator must rely on the operator to distinguish between the left and right images.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a three-dimensional printing device that does not require an operator to discriminate between left and right images and does not require a recording/playback device equipped with a field static function.

Means for Solving the Problems> In order to achieve the above object, the present invention receives a stereoscopic video signal in which one frame consists of a field of video for the left eye and a field of video for the right eye. In a stereoscopic printing device in which an image for the eyes and an image for the right eye are printed separately by a printer, a frame counting means for counting frames of the stereoscopic image signal, and a field of the stereoscopic image signal for the left eye are provided. field determining means for determining whether the field is for the right eye or the field for the right eye, and a plurality of frame areas each including a left eye field area for storing the left eye field and a right eye field area for storing the right eye field. field memory,
In response to the output from the frame counting means and the output from the field determining means, the stereoscopic video signal is sequentially processed frame by frame into a left eye field area and a right eye field area of a predetermined frame area of the bipedal field memory. When printing a pair of left and right images, specify the frame of the image to be printed in frame units, and when printing a continuous image, specify the first frame and last frame of the area to be printed. When printing a pair of left and right images based on a print image specifying means for specifying a frame in units of frames and a signal from the print image specifying means, the image signal of the specified image frame is transferred from the field memory. If you want to print continuous video by reading out the left and right separately and outputting them to the printer above, read the video signal of either the left or right field among the video signals of the frame in the specified area.
- control means for sequentially reading the video signal from the field memory and outputting it to the printer, and then sequentially reading the video signal of the other field from the field memory and outputting it to the printer.

A frame counting means counts frames of a stereoscopic video signal in which one frame consists of a left eye video field and a right eye video field, and determines whether the stereoscopic video signal field is a left eye field or not. A field determining means determines whether the field is for the right eye. Then, the video signal storage means receives the output from the frame counting means, and
In response to the output from the field determining means, the video signal is sequentially stored frame by frame in a left eye field area and a right eye field area of a predetermined frame area of the field memory. On the other hand, when printing a pair of left and right images, the print video specifying means specifies the frame of the video to be printed in frame units, and when printing a continuous video, the print video specifying means specifies the first frame and last frame of the area to be printed. Specify in frames. When the control means prints a pair of left and right images based on the signal from the print image specifying means, the control means reads out the image signals of the designated image frames separately for the left and right from the bipedal field memory. ” When outputting to a two-legged printer and printing continuous video, the video signal of either the left or right field of the video signals of the frames from the first frame to the last frame of the specified area is output as described above. After sequentially reading out the field memory and outputting it to the printer, the video signal of the other field, either left or right, is read out from the field memory into its frames and outputting to the printer.

Therefore, there is no need for the operator to hold the field still and distinguish between the left and right images, so anyone can easily create left and right stereo pairs for each specified image without making any mistakes. A stereo pair of images of a range can be created consecutively for left and right sides separately.

<Example> Hereinafter, the present invention will be explained in detail with reference to illustrated embodiments.

FIG. 1 is a block diagram showing the circuit configuration of an embodiment of the present invention.

In FIG. 1, a VTR 12 records and reproduces a stereoscopic video signal in which one frame consists of a field of video for the left eye and a field of video for the right eye that follows. This is a monitor that displays In addition, 3 is a frame count circuit that counts the frames of the stereoscopic video signal output from the TRI, and 4 is a circuit that determines whether the video of the stereoscopic video signal is for the left eye or the right eye. 5 is an A/D converter that converts the stereoscopic video signal into a digital signal, and 6 is a left eye field that stores the left eye field of the stereoscopic video signal converted into a bipedal digital signal. This field memory includes a plurality of frame areas each including a right eye field area and a right eye field area for storing a right eye field. Further, 7 is a control section, and 8 is an operation section. This control section 7 is composed of a CPU 71, a program ROM 72, and a work RAM 73, and receives instructions from the operation section 8 to control the VTR 1 and also receives information from the frame count circuit 3 and field determination circuit 4. In addition, writing and reading of the field memory 6 is controlled frame by frame and for each left eye field and right eye field. Further, 9 is a D/A converter, IO is a printer interface, and 11 is a printer.

FIG. 2 is a diagram showing an example of the stereoscopic video signal input to the field memory 6, the state in which this stereoscopic video signal is stored in the field memory 6, and the stereoscopic video signal output from the field memory 6. , FIG. 3 is a flowchart showing the operation of this embodiment.

The operation of this embodiment will be explained below according to the flowchart in FIG.

First, using the operation unit 8, an instruction is input to either create a single stereo pair or create a stereo pair of consecutive scenes. Then, send the videotape containing the stereoscopic video signal containing the scene for which you want to create a stereo pair to VT.
Play it on R1 and watch it on monitor 2. The video signal output from this VTRI is A/D converted by an A/D converter 5,
As shown in FIG. 2, all data from memory 1 to memory n are recorded in a pair of left and right field memories 6. The contents recorded in this field memory 6 are the D/A
A frame is displayed on the monitor 2 via the converter 8 and confirmed. Next, after stopping the VTR, the following operations are performed in accordance with instructions input through the operation section 8.

When creating 01 stereo pairs, use the operation unit 8 to operate the switch in the field memory 6 to call up and specify the scene for which you want to create a stereo pair, and information representing the frames of that scene is stored in the RAM 7.
It is stored in 3. Then, the control unit 7 reads the frame of the called scene from the field memory 6 based on the above information, and outputs it to the left and right printers 11 separately via the D/A converter 9 or via the printer interface IO. , print out the left and right sides separately.

■When creating a stereo pair of continuous scenes Similarly to ■, operate the changeover switch in the field memory 6 from the operation panel 8 and specify the start and end of the continuous scene while checking on the monitor 2. The frame is identified and stored in RAM 73. Then, the CPU 71 sequentially reads out the left eye field and the right eye field separately from the field memory and outputs the frames from the first frame to the last frame to the printer 11 via the D/A converter 9 or the printer interface IO. do. Then, as shown in FIG. 2, only the left screen within the specified range is sequentially printed out, and then only the right screen is sequentially printed out. The right screen can be printed out first by setting the printout order using the operation unit 8.

When inputting video from the VTR 1 to the field memory 6, if the continuous scene is too long to fit in the field memory 6, the VTR 1 is stopped and rewound. After the printout is completed, playback is performed, and frames 11 after the last frame that was previously taken into the field memory 6 are sequentially taken into the field memory 6, and then printed out. In this way, controlling the VTR1,
Importing images into field memory 6, printer 11
By repeatedly printing out images, it is possible to create a stereo pair even if the consecutive scenes are long.

In this way, when storing a stereoscopic video signal in which one frame consists of a left-eye video field and a right-eye video field in the field memory 6 frame by frame, and printing a pair of left and right images, , When printing continuous images by reading out the left and right video signals from the field memory 6 separately and outputting them to the printer 11, the left and right video signals of the frames in the designated area are read out separately from the field memory 6 and output to the printer 11. The video signal of one of the fields is sequentially read from the field memory 6 and output to the printer II, and then the video signal of the other field, left or right, is sequentially read from the field memory 6 and output to the printer 11. This eliminates the need for the operator to hold the field still and distinguish between the left and right images, and anyone can easily create left and right stereo pairs for each specified image without making any mistakes. You can create a stereo pair of left and right images of a specified range of images consecutively.

<Effects of the Invention> As is clear from the above, according to the three-dimensional printing device of the present invention, there is no need for the operator to hold the field still to distinguish between the left and right images, and therefore anyone can easily print the image without making a mistake between left and right images. , it is possible to create separate left and right stereo pairs for each designated image, and it is also possible to create consecutive left and right stereo pairs of images within a designated range, separately.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the circuit configuration of an embodiment of the present invention, and FIG. 2 shows a stereoscopic video signal input to the field memory in the above embodiment and a state in which this stereoscopic video signal is stored in the field memory. FIG. 3 is a flowchart showing the operation of the above embodiment, and a diagram showing an example of a pair. DESCRIPTION OF SYMBOLS 1...VTR, 2...Monitor, 3...Frame count circuit, 4...Field judgment circuit, 6...Field memory, 7...Control section, 8.Operation section, 11...Printer. Figure 4 is stereo

Claims (1)

[Claims] (1) Receive a stereoscopic video signal in which one frame consists of a left-eye video field and a right-eye video field, and print the left-eye video and right-eye video separately using a printer. In the stereoscopic printing apparatus, a frame counting means for counting frames of the stereoscopic video signal; a field determining means for determining whether a field of the stereoscopic video signal is a field for a left eye or a field for a right eye; a field memory comprising a plurality of frame areas each consisting of a left eye field area for storing a left eye field and a right eye field area for storing a right eye field; an output from the frame counting means; video signal storage means for receiving the output from the field determination means and sequentially storing the stereoscopic video signal frame by frame in a left eye field area and a right eye field area of a predetermined frame area of the field memory; A print video specifying means for specifying a frame of the video to be printed in frame units when printing a video, and specifying a first frame and a last frame of a print area in frame units when printing continuous video; , when printing a pair of left and right images based on the signal from the print image specifying means,
When printing continuous video by reading out the left and right video signals of the specified video frames separately from the field memory and outputting them to the printer, either the left or right of the video signals of the frames in the designated area is output. and control means for sequentially reading video signals of one field from the field memory and outputting them to the printer, and then sequentially reading video signals of the other field, either left or right, from the field memory and outputting them to the printer. A three-dimensional printing device featuring: