JPH0787599B2 - 3D imaging device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional image pickup device, and more particularly to a device capable of acquiring even environmental information of the imaged surroundings.

[0002]

2. Description of the Related Art Dramas that are captured by a television camera
Alternatively, in the case where a document program is created, in order to increase the realism of the document program, a system has been considered in which the environment of a viewing room or a theater is pseudo-controlled according to the video content. However, the environment information for creating these environments is generally created by an operator while watching the image content once the image capturing is completed. The created environment information is multiplexed and recorded on, for example, a VTR audio track or control track, and at the time of reproduction, the environment information is transmitted to a viewing room, a blower device in a theater, a cooling device, a motion simulation device, or the like as a control signal. Is given via the control device.

[0003]

In the conventional image pickup apparatus described above, the environment information is often created by the operator's subjectivity because it is created after the image pickup. However, there are cases where the environmental information of the actual scene is required regardless of whether or not the information is reproduced in the theater or the viewing room. In particular, it is a news program, an educational program, or a recorded program. Also, although a stereoscopic imaging device has been developed, in order to handle video, it is necessary to record or transmit video on the left and right channels. A handling system is required.

Therefore, according to the present invention, the actual environmental information at the time of image pickup can be obtained in a form as close to the truth as possible, and the video information and the environmental information of the left and right channels can be efficiently multiplexed and handled. An object is to provide a three-dimensional imaging device.

A further object of the present invention is to provide a three-dimensional image pickup device which controls the transmission or recording timing of a stereoscopic video signal and environmental information to facilitate synchronization during reproduction. Still another object of the present invention is to provide a three-dimensional image pickup device capable of automatically acquiring a stereoscopic video signal in an emergency or during an experiment together with environmental information.

[0006]

SUMMARY OF THE INVENTION The present invention provides first and second solid-state image pickup devices for picking up a stereoscopic image, and the first first and second solid-state image pickup devices.
And first and second signal processing units for converting the outputs of the second solid-state imaging device into first and second video signals, an environmental data generation unit for obtaining environmental information around the imaging site, and Addition means for superimposing the environment information obtained from the environment data generation part on a part of the second video signal, and the output video signal from the addition means and the first video signal are time-compressed and time-multiplexed. And a system control unit to which the output of the environmental data generating unit is supplied, and the double speed converting and synthesizing unit that outputs the output of the double speed converting and synthesizing unit. The system control unit is configured to cause the transmitting device to perform a transmitting operation when the environmental information indicates an abnormal state.

[0007]

By the above means, the actual environmental information at the time of image pickup can be obtained in a form as close to the truth as possible, and the video information and the environmental information of the left and right channels can be efficiently multiplexed and handled.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment which is a premise of the present invention. Reference numerals 101 and 201 denote a first imaging unit and a second imaging unit lens system. The optical image of the lens system 101 is formed on the imaging surface of the solid-state imaging device 102, and the imaging signal read from the solid-state imaging device 102 is input to the signal processing unit 103 and output as a first video signal. . Also, the lens system 2
The optical image of 01 is formed on the imaging surface of the solid-state imaging device 202, and the imaging signal read from the solid-state imaging device 202 is
It is input to the signal processing unit 203 and output as a second video signal. The two camera systems are separated from each other in the left and right in order to capture an image of a subject in front and obtain stereoscopic information. The output video signals of the signal processing units 103 and 203 are input to the delay units 104 and 204 and delayed, respectively. The output of the delay device 104 is input to the double speed conversion / synthesis unit 300, and the output of the delay device 204 is input to the double speed conversion / synthesis unit 300 after environment information to be described later is added by the adder 205. . In the double speed conversion / synthesis unit 300, the horizontal period of the left and right video signals is reduced to 1 /
For example, the left and right compressed video signals can be alternately selected and derived by performing compression for two periods.

In the above system, the signal processor 10
The output video signals of 3, 203 have a frame frequency of 60 Hz (the number of scanning lines is 525) and a field frequency of 30.
It is assumed that the interlaced scanning signal has a frequency of Hz (the number of scanning lines is 262.5). Then, the video signal generated in the double speed conversion / synthesis unit 300 has a frame frequency of 60 Hz.
The left / right composite signal has 525 scanning lines. On the receiving side, the left and right signals are first alternately separated for each scanning line in synchronization with the frame frequency, and the respective scanning lines are expanded to restore the left and right video signals.

The signal processing units 103 and 104 digitize and process the analog video signal, and the double-speed conversion / synthesis unit 300 processes the digital video signal in the state of the digital video signal and finally outputs the analog signal.

In the above description, the time-compressed left and right channel video signals are alternately selected for each scanning line to create a composite video signal. However, the present invention is not limited to this, and the time adjustment means for the left and right channel signals is used. May be provided to transmit the video signal of one channel in the first half of the frame and the other channel in the latter half of the frame.

The environmental data generation unit 401 acquires current environmental information, and includes, for example, a thermometer, an accelerometer, a barometer, a wind direction instrument, a water detector, and the like. For example, an inertial navigation device including an accelerometer may be incorporated. These meter outputs are converted into digital data, time-adjusted by the time adjustment unit 402, and then multiplexed in the adder 205 during, for example, the blanking period or the non-effective scan line period of the second video signal. . Usually, the upper and lower scanning lines do not appear on the screen, so there is no problem. These multiple periods are set by the timing from the system control unit 500. The system control unit 500
The above-mentioned solid-state imaging devices 102 and 103 are provided with a synchronized read clock, and the signal processing units 103 and 203 are also provided with timing signals for signal processing. The system control unit 500 also gives a timing signal for obtaining data alignment to the environment data generation unit 401.

The outputs of the signal processing units 103 and 203 are delayed by delay units 104 and 204, respectively.
This is because the environmental information is transmitted in advance. In other words, if the environmental information is transmitted sufficiently quickly for the corresponding video signal, the contents of the video signal and the establishment of the environment can be easily synchronized even if there is a delay in the operation of the environmental system on the reproducing side. .

The timing signal of the system controller 500 is also given to the double speed converter / synthesizer 300 to synchronize the left and right video signals. Double speed conversion / synthesis unit 30
The output of 0 is sent to, for example, a VTR or a transmitter.

The device of the present invention can be used for various purposes. It is effective not only for program production but also as an emergency monitoring device capable of recording the environment data of the surroundings and recording or transmitting the environmental data when an emergency occurs.

FIG. 2A shows an example of the data format of the environmental information obtained from the environmental data generation unit 401. First, header information is arranged and serves as a reference for setting system synchronization and data sampling timing.
Next, temperature measurement data, accelerator measurement data, atmospheric pressure measurement data, wind direction measurement data, and the like are arranged, and end data indicating the end of the last data is arranged. Error correction data such as a parity bit may be added to this data. The data rate of this data group is set so as to be within one horizontal scanning period, for example, and is repeatedly transmitted for several horizontal periods. FIG. 2B shows a state in which the above-described left channel video signal and right channel video signal are respectively double-speed converted and combined.

FIG. 3 shows an embodiment of the present invention, which is an example applied to a monitoring system when an emergency occurs. The same parts as those of the circuit block of FIG. 1 are designated by the same reference numerals. Examples of the monitoring system include a recording system mounted on an aircraft, a ship, a vehicle, and the like. In this embodiment, the environment data generator 401 and the system controller 500 are constantly supplied with power from the power supply device 600. Here, when abnormal data is generated from the environment data generation unit 401, the system control unit 500 turns on the power switch group 601 of the circuit of each unit connected to the power supply device 600. Thereby, environmental data and stereoscopic imaging information can be obtained. Further, the output video signal of the double speed conversion / synthesis unit 300 is recorded by the VTR 700, and the transmitter 8
The switch 900 is turned on to transmit at 00.
The abnormal data is, for example, a case where acceleration data having a certain value or more is generated, or a case where temperature data having a certain value or more is generated. For example, when an aircraft or vehicle is unable to navigate or is inoperable, or if a fire occurs, the system is activated to capture the surrounding image and measure environmental data, and record it in the VTR. it can. This information can also be transmitted to the control center. Further, even when the ship capsizes, the information at that time can be recorded or transmitted. The recording system is not limited to the VTR, and any recording medium such as an optical disk, a magnetic disk, a memory may be used.

In the above embodiment, the stereoscopic image and the environmental information are transmitted as the television signal. However, there are various television transmission systems, and therefore, NTSC, M
Various types such as USE, EDTV, SECAM, and PAL systems can be applied. Further, as a transmission area, it is also possible to use the form of transmission to the center, satellite communication, etc., and to get a real-time experience in real time at locations where there are environment simulation facilities around the world.

[0020]

As described above, according to the present invention,
The actual environmental information at the time of image capturing can be obtained in a form as close to the truth as possible, and the video information and environmental information of the left and right channels can be efficiently multiplexed and handled.

[Brief description of drawings]

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

2A and 2B are diagrams for explaining an example of environment data of the device of FIG. 1 and a diagram for explaining an operation of the device.

FIG. 3 shows another embodiment of the present invention.

[Explanation of symbols]

Reference numeral 101, 201 ... Optical system, 102, 202 ... Solid-state imaging device, 103, 203 ... Signal processing unit, 104, 204 ... Delay device, 205 ... Adder, 300 ... Double speed conversion / synthesis unit,
401 ... Environmental data generation unit, 402 ... Time adjustment unit, 50
0 ... System control part, 600 ... Power supply device, 601 ... Switch group, 700 ... VTR, 800 ... Transmitter.

Claims (5)

[Claims] 1. A first and a second solid-state imaging device for picking up a stereoscopic image, and a first for converting outputs of the first and second solid-state imaging devices into first and second video signals. A second signal processing unit, an environmental data generation unit for obtaining environmental information around the imaging site, and the environmental information obtained from the environmental data generation unit to the second
Means for superimposing on a part of the video signal, double-speed conversion and synthesis means for time-compressing and time-multiplexing the output video signal from the addition means and the first video signal, and the double-speed conversion and synthesis means. And a system control unit to which the output of the environmental data generation unit is supplied, wherein the system control unit is provided when the environmental information from the environmental data generation unit indicates an abnormal state. Is a three-dimensional imaging device configured to cause the transmitting device to perform a transmitting operation. 2. The three-dimensional image pickup apparatus according to claim 1, wherein the environment data generating section includes an accelerometer and a thermometer. 3. The double speed converting and synthesizing means, when the output video signal from the adding means and the first video signal are time-compressed and time-multiplexed, are selected alternately for each scanning line and are synthesized. The three-dimensional imaging device according to claim 1, wherein 4. The double speed conversion and synthesizing means, when the output video signal from the adding means and the first video signal are time-compressed and time-multiplexed, respectively, in one half of the frame and one half of the frame. The three-dimensional image pickup apparatus according to claim 1, wherein the other video signal is selected and combined. 5. The three-dimensional image pickup apparatus according to claim 1, wherein the output of the double speed conversion / synthesis means is recorded on a recording medium.