JP3536348B2 - Video camera system - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video signal for a moving image,
Recorded on tape, disk or semiconductor memory
And the contents of the moving image from the images recorded on the medium.
Video camera system to extract and output representative images
It is about the stem. 2. Description of the Related Art FIG.
Of the conventional video camera system disclosed in
101 is a video signal input terminal, 102 is an electronic view
Finder, 103 is a recorder section, 104 is an external video output
Input terminal, 105 is a character generator, 106 is a recording
An image start trigger terminal 107 is a timer circuit. FIG.
, The character generator circuit 105
Superimpose character pattern on signal and switch to SW1
Output. The timer circuit 107 determines the timing of the recording start trigger.
SW1 is set to B1 for a predetermined time after the
Then, SW1 is switched to A1 side. With this, EV
F102, recorder unit 103 and external video output terminal 1
04 displays, records, and outputs the signal
The character pattern is played for a predetermined time from the timing of Riga.
It becomes a video signal that has been imposed and then super
It becomes a video signal without imposition. [0003] Japanese Patent Application Laid-Open No. 2-214271 discloses
In some conventional video camera systems, the recording start trigger
Each time the button is pressed, a reduced image of the captured image is
Enables searching for recorded images by writing to memory
are doing. [0004] Japanese Unexamined Patent Publication No. 1-246973 discloses
In conventional magnetic recording and reproducing devices, data such as time information
The signal is superimposed and recorded during the vertical blanking interval of the video signal.
Data without disturbing the video signal.
Separate and extract only signals to make them available for searching, editing, etc.
I have. [0005] However, the above-mentioned problems
From the images recorded by the video camera system
Finding a representative frame representing the content of the image is difficult
It is difficult. For example, see Japanese Unexamined Patent Publication No. Hei.
Identification from images recorded by the video camera system
Frame with the character pattern of superimposed
To search, separate character patterns from video signals
And the character pattern you want to search for
Must be matched, which is difficult to achieve.
You. [0006] In addition, in Japanese Patent Application Laid-Open No. 2-214271,
For images recorded by the video camera system,
Only images at the moment when the first trigger button is pressed can be searched.
That the moment is not necessarily the most representative frame
Therefore, the search accuracy of the representative frame is low. [0007] Japanese Patent Application Laid-Open No. 1-246973 discloses a magnetic recording medium.
The data signal to be recorded in the recording / reproducing apparatus
It is not shown except for the frame number.
The representative frame cannot be searched dynamically. [0008] In view of the above, the present invention provides a recorded moving image.
A typical frame or field representing the contents of
Provide a video camera system that can be searched automatically
It is assumed that. [0009] A video camera system according to the present invention.
The stem captures the subject and generates a video signal for the moving image.
Imaging means, and a focal length at the time of imaging by the imaging means
Information to generate camera operation information such as aperture and aperture
Obtaining means, a video signal from the imaging means, and the operation information.
Recording signal multiplexed with camera operation information from the information acquisition means
Means for recording the information on a recording medium, and re-recording the recording medium.
Output video signal of the moving image and camera operation information.
Generating means, and each frame output by the reproducing means or
When the video signal of the field and the camera operation information
Image Extraction Outputting Extraction Signals Indicating Whether Satisfies
Means for reducing a video signal of a moving image output by the reproducing means.
Reducing means for outputting image data of the reduced screen by reducing the size;
Of the plurality of reduced screen image data from the reduction means
Image data corresponding to the extraction signal from the image extraction means.
Combined, one frame or field multi
A multi-screen generator that configures and outputs screen image data
And a step. With the above arrangement, the video camera system of the present invention is provided.
The stem is camera operation information that is played back with the video signal.
Extract multiple frames or fields based on
And a reduced image of the extracted frame or field
Output the composed multi screen. A video camera according to a first embodiment of the present invention.
FIG. 1 shows the configuration of the system. In FIG. 1, reference numeral 60 denotes
Recording unit, 61 is a recording medium, 62 is a multi-screen output unit, 6
Reference numeral 3 denotes a video printer. With this video camera system
Represents a video signal of a moving image captured by the recording unit 60 as a recording medium
Record at 61. The multi-screen output unit 62 includes a recording medium
A frame that satisfies certain conditions from the playback images from 61
System, and consists of reduced images of multiple extracted frames
Output multi-screen video signal. Video printer
63 prints a multi-screen video signal and
A print image showing the contents of 61 is obtained. FIG. 2 shows a video camera according to the first embodiment.
FIG. 3 is a configuration diagram of a recording unit of the camera system. In FIG.
1 is an image sensor, 2 is a signal processing circuit, 3 is an operation switch,
4 is a sensor circuit, 5 is an operation information acquisition circuit, and 6 is multiplexing.
A circuit, 7 is a recording circuit, and 61 is a recording medium. Of the subject
The image is photoelectrically converted by the image sensor 1 and is converted to white by the signal processing circuit 2.
Balance processing, AGC (Auto Gain Control) processing, etc.
And then supplied to the multiplexing circuit 6 as a video signal.
You. In signal processing, set white balance color temperature,
AGC gain, camera shake detected from captured image
Speed, digital zoom on / off, and digital zoom
Magnification and other information are used as operation information during signal processing.
It is supplied to the acquisition circuit 5. Operation of switch 3 by photographer
Information and signals detected by the sensor circuit 4
Is also supplied to the operation information acquisition circuit 5. Operation by photographer
Operation information is in the exposure mode (auto, gain priority, shutter
Speed priority, aperture priority, manual), shutter speed, white rose
Mode (auto, hold, one push, preset
G), ON / OFF of camera shake correction, and focus control mode
including. Sensor information includes aperture, focal length, and aperture.
And focusing distance. FIG. 3 shows a video camera system according to the first embodiment.
3 is a block diagram of a system operation information acquisition circuit 5. FIG. In FIG.
9 is a first shift register, and 10 is a second shift register.
Register, 11 is the third shift register, and 12 is the serial shift register.
Al clock generator, 14 is a frame counter, 15 is
This is the fourth shift register. The operation information acquisition circuit 5
With the configuration of FIG. 3, operation information and signal processing by the photographer
Operation information, sensor information and frame number
Real conversion and output as operation information. Details of this operation
Details will be described below with reference to FIG. FIG. 4 shows an operation information acquiring circuit according to the first embodiment.
5 showing the operation of the multiplexing circuit 6 and the multiplexing circuit 6
It is. The field synchronization signal (b) is the same as the video signal (a)
Vertical blanking period is "0", other periods is "1"
It is. The frame counter 14 is one for each frame.
Output the increasing frame number. First, second, third
And fourth shift registers 9, 10, 11 and 15
Is a register for parallel input and serial output.
While the sync signal is "1", each operation by the photographer
Information, operation information during signal processing, sensor information,
The frame number is input in parallel. Field sync signal
Signal is "0", that is, vertical blanking of video signal
During the period, the serial clock output from the serial clock
Synchronize operation information (c) with serial clock
Power. The four shift registers are first, second, third,
Since the connection is performed in the fourth order, the operation information is transmitted to the photographer.
Operation information, signal processing operation information, sensor information,
Serial output is performed in the order of frame number. FIG. 5 shows a block diagram of the multiplexing circuit 6 of the first embodiment.
In the lock diagram, reference numeral 13 denotes a multiplexer. Multiple
When the field sync signal is "1", the video signal is
And output operation information while the field sync signal is "0".
Is output. Thereby, the multiplexing circuit 6 converts the video signal
Multiplexed operation information during vertical blanking period
(D) is output. The recording circuit 7 modulates the multiplexed signal, and
The information is recorded on the recording medium 61. Table 1 shows a video camera according to the first embodiment.
Photographer set in the first shift register 9 of the system
This shows the contents of the operation information. [Table 1] As described above, the operation information by the photographer
Indicates the exposure mode, shutter speed, white balance mode,
ON / OFF of image stabilization and focus control mode
No. Regarding the exposure mode, as shown in (a) of (Table 1)
4 bits data, automatic, gain priority,
Exposure speed, aperture priority, or manual
Indicates whether or not the shot was taken with the card. Shutter speed, horizontal scanning
It is shown as a multiple of the period (about 1/15750 seconds in NTSC system),
As shown in (b) of Table 1, indicated by a 16-bit integer c
You. Regarding the white balance mode, (c) of (Table 1)
As shown in 3-bit data, automatic, hold,
Push (set so that the average of the whole screen is achromatic),
Any of the presets (set manually for outdoor, indoor, etc.)
Indicates whether shooting was performed in mode. Turn image stabilization on / off
As shown in (d) of (Table 1), 1-bit data
Data. For the focus control mode, see Table 1
As shown in (e), 1-bit data indicates automatic / manual
You. Table 2 shows a video camera according to the first embodiment.
Signal set in the second shift register 10 of the system
Shows the contents of operation information at the time of processing. [Table 2] As described above, the operation information at the time of signal processing
Indicates the white balance setting color temperature, AGC gain,
The camera shake speed detected from the image and the electronic zoom
Includes on / off and electronic zoom magnification. White balance
Is set as shown in (a) of (Table 2).
Shown as 4-bit data, candle, incandescent lamp, low color temperature
Degree Fluorescent, High Color Temperature Fluorescent, Outdoor Clear, and Outdoor Cloudy
The color temperature is set according to which of the light sources is set.
The gain of AGC is shown by a multiple of 3, and is shown in (b) of (Table 2).
Thus, with the integer b in the expression of gain = −3 + b × 3
Show. The magnitude of camera shake detected from the captured image
Is the horizontal and vertical camera shake per field.
The size is indicated by two integers, as shown in (c) of (Table 2).
, Horizontal x pixels / field, vertical y lines / field
Indicated by For information about turning on / off the electronic zoom,
As shown in (d) of Table 2, it is represented by 1-bit data.
The magnification of the electronic zoom is as shown in (e) of (Table 2).
Is a binary consisting of 2 bits for the integer part and 5 bits for the decimal part
Indicated by a fixed-point representation z. Table 3 shows a video camera according to the first embodiment.
The sensor set in the third shift register 11 of the system
Indicates the contents of the service information. [Table 3] As mentioned above, the sensor information is
Includes aperture, focal length, and focal length. To the opening of the aperture
As shown in (a) of (Table 3), the F value is set to 2 ^{a / 8} so
It is represented by an integer a when expressed. For focal length,
As shown in (b) of (Table 3), the captured image is equal to the horizontal angle of view.
The focal length of a 35mm film camera to e × 10 ^f Expressed in [mm]
Are shown by two integers e and f. Focus distance
Is the distance from the in-focus subject to the camera,
G × 10 as shown in (c) of (Table 3) ^h Expressed in [cm], two
Are represented by integers g and h. As described above, the video camera system of this embodiment
The recording unit 60 of the stem is operated by the multiplexing circuit 6 with the video signal.
A signal multiplexed with information is recorded by a recording circuit 7 on a recording medium.
Record on body 61. In this recording signal, the video signal and the operation
The signal is in a different area in time, and the video signal and operation
Separation from signals is easy. FIG. 6 shows a video camera according to the first embodiment.
FIG. 4 is a configuration diagram of a multi-screen output unit 62 of the camera system.
You. In FIG. 6, 61 is a recording medium, 17 is a reproducing circuit,
18 is a separation circuit for separating the video signal from the operation information, and 19 is a reproduced image.
Image frame memory, 64 is a representative frame extraction circuit,
21 is a reduction circuit, 22 is a frame number memory, 65 is
This is a multi-screen frame memory. The reproduction circuit 17
The generated and demodulated signal is a multiplexed signal shown in FIG.
A signal in which the video signal and operation information are time-division multiplexed
It is. The separation circuit 18 processes the multiplexed signal with the reproduced video signal.
Separate from the work information. Playback video frame memory 19
Delays the reproduced video signal by one frame time.
During this delay, the representative frame extracting means 64 extracts the frame.
Frame to determine if it meets certain conditions,
Outputs a write control pulse. FIG. 7 shows the extraction of a representative frame according to the first embodiment.
FIG. 4 is a block diagram of the output means 64. In FIG. 7, 27 is
A circuit for detecting the end of the change in the F value;
A circuit for detecting the end of the change of the set color temperature;
Circuit for detecting the end of zooming, 30
A detection circuit, 31 is a weighted sum circuit, and 32 is a threshold processing cycle.
The road 33 is an AND gate. The detection circuits 27, 28,
29 and 30 indicate the aperture opening and white from the operation information.
Set balance color temperature, camera shake, and focal length
From the frame and their values are repeated for a certain number of frames or more.
After a continuous increase or decrease, after a certain number of frames
Outputs detection pulse = "1" when there is no continuous change
I do. If the condition is not met,
The circuits 27, 28, 29 and 30 detect the pulse = “0”
Is output. The weighted sum circuit 31 includes these four detection pulses.
Weighted and added. For example, the detection circuit 27 and
The weight of the detection pulse output from the detection circuit 28 is 1, and the detection circuit 2
The weight of the detection pulses output from 9 and 30 is 2.
The threshold processing circuit 32 outputs the weighted sum output from the weighted sum circuit 31.
Outputs “1” if it exceeds a certain threshold, and
If it is, "0" is output. This allows panning or
When the end of zooming is detected, the threshold processing circuit 32
Outputs "1". Alternatively, at the same time as the end of the change in the F value
Also, the end of the change in the white balance setting color temperature was detected.
At times, the threshold processing circuit 32 outputs “1”. Threshold processing
The output value of the logic circuit 32 is stored in the frame memory 19 of the reproduced video.
While outputting the frame corresponding to the operation information,
Be held. The AND gate 33 has a threshold processing circuit 32
Field sync signal during the frame outputting 1 "
Memory write system that matches
Outputs control pulse. FIG. 8 shows a reduction circuit 21 and a reduction circuit 21 according to the first embodiment.
FIG. 6 is a block diagram of a frame memory 65 for multi-screen and multi-screen.
You. In FIG. 8, reference numeral 34 denotes a horizontal low-pass fill.
35, horizontal sub-sampling circuit, 36 vertical
Low-pass filter 37, vertical subsampling
Path, 38 is frame memory, 39 is frame memory writing
The control unit 40 is a frame memory read control unit.
The low-pass filters 34 and 36
The reproduction is performed by the thinning process in the circuits 35 and 37.
Prevent the high frequency components of the video signal from folding back to low frequencies
I have. For example, reduce both the horizontal and vertical directions by half.
The low-pass filters 34 and 36
The frequency band of the video signal to half that of the reproduced video signal.
Limited by the sub-sampling circuits 35 and 37
Therefore, one pixel in two pixels in the horizontal direction and two pixels in the vertical direction
Thin out one line at a time. This action allows
The circuit 21 converts the video signal decimated in the horizontal and vertical directions into
It is supplied to the frame memory 38. The frame memory writing control unit 39 is a representative
The memory writing control output from the frame extracting means 64
Write the reduced video signal to the frame memory 38 in accordance with the
Get in. The reduced video signal is halved in the horizontal and vertical directions.
If the image has been reduced to
If it does, the frame memory 38 becomes full. Frame
The memory read control unit 40 stores the data in the frame memory 38.
Synchronized with the field sync signal
Read control. As described above, the video camera of this embodiment
The multi-screen output unit 62 of the storage system
Composed of frames that meet specific conditions from the playback signals
The obtained multi-screen video signal is obtained. Multi-screen video
The signal is printed by the video printer 63 according to the configuration of FIG.
Of the moving image recorded on the recording medium 61 by
You can get an overview of the video. In this embodiment, a multi-screen output unit is used.
62 outputs the multi-screen video signal
Printed on the monitor 63, but displayed on a display device such as a television
May be. In this embodiment, the operation information acquisition circuit 5
Is the operation information by the photographer and the operation during signal processing.
Output in the order of operation information, sensor information, frame number
However, the output order is not limited to this order. Operation information acquisition
The order of the operation information output by the obtaining circuit 5 is, for example,
Degree, exposure mode, AGC gain, white balance mode
As described above, sensor information, operation information by the photographer,
Operation information at the time of signal processing may be mixed. The operation output by the operation information acquisition circuit 5
The contents of the information are shown in (Table 1), (Table 2) and (Table 3)
It is not limited to such expressions. For example, (a) of (Table 2)
The set color temperature of the white balance is in units of Decami Red (d = 10
^Five / T, d is an integer, T is the color temperature in Kelvin)
May be. Also, the magnitude of camera shake in (c) of (Table 2)
Is the amount of camera shake per horizontal and vertical field
The number of hands per frame or per second
It may be expressed by the size of the shake or the direction of the shake (horizontal
Angle with respect to) and the size to that direction
No. In this embodiment, the representative frame
The extracting means 20 determines the F value, the set color temperature, the panning,
And a circuit that detects the end of zooming
However, the configuration of the extracting means 20 is not limited to this.
Absent. The representative frame extracting means 20 generates a substitute frame from the operation information.
Other configurations for determining the table frame may be used.
For example, a circuit for detecting a change in the exposure mode may be used.
Alternatively, a circuit for detecting a change in the focusing distance may be used. In this embodiment, the extracting means 20 is a representative.
Although the frame is extracted, the same configuration as that of the extraction unit 20 is used.
To extract important fields. In this case, note
Re 19 is not a frame memory but a field memory
But enough. The video camera according to the second embodiment of the present invention
FIG. 9 shows the configuration of the laser system. In FIG. 9, 60 is
A recording unit, 61 is a recording medium, 66 is a search data creation unit,
Reference numeral 67 denotes a reproduction image selection unit. This video camera system
Recording the video signal of the moving image captured by the recording unit 60
The information is recorded on the medium 61. The search data creation unit 66 records
Files satisfying specific conditions from the reproduced images from the medium 61.
Extract the frame, and the frame number of the extracted frame,
Multiplexes with multi-screen video signals composed of extracted frames
And record it. The selection section 67 for the reproduced image is selected by the user.
Play and display a moving image including the selected frame. This implementation
In the example, the same recording unit as the recording unit 60 of the first embodiment is used.
The search data creation unit 66 and the reproduced image selection unit 67
Includes user-selected frames by using
Enables display of moving images. FIG. 10 shows a video in the second embodiment.
FIG. 3 is a configuration diagram of a search data creation unit 66 of the camera system.
You. The configuration of the search data creation unit 66 of the present embodiment is the first
This is different from the configuration of the multi-screen output unit 62 of the embodiment (FIG. 6).
This is because the representative frame extracting means 20 uses the frame number
Multiplexed by the multiplexing circuit 24 and the multi-screen video signal.
Multiplexed with the frame number and recorded by the recording circuit 25
The point is that the information is recorded on the medium 61. FIG. 11 shows a representative frame of the second embodiment.
FIG. 3 is a block diagram of an extracting unit 20. Representative frame of this embodiment
The frame extracting means 20 is configured to extract the representative frame of the first embodiment.
The frame number register 26 is stored in the extracting means 64 (FIG. 7).
With the added configuration, at the same time as the memory write control pulse,
It also outputs the frame number. FIG. 12 shows frame numbers of the second embodiment.
FIG. 3 is a block diagram of a memory 22. In FIG. 12, 4
1, 42, 43 and 44 are the first, second, third and
4th register, 45 is a 1/2 frequency divider, 46 is a shift
Register, 47 is a serial clock generation circuit, and 48 is
Gate. The memory 22 of the frame number is shown in FIG.
According to the configuration of 2, the frame number is converted to serial
Output. The details of this operation will be described below with reference to FIG.
I will tell. FIG. 13 shows frame numbers of the second embodiment.
Timing showing operation of memory 22 and multiplexing circuit 24
It is a chart. The timing chart of FIG.
For the sake of simplicity, the representative frame extracting means 20
The frames of numbers 1, 2, 3, and 4 are set as representative frames.
This shows the operation in the case where extraction is performed. In fact,
In the operation of the representative frame extracting means 20
Frames are not extracted as representative frames.
No. Hereinafter, FIG. 12 and FIG.
The operation of the frame number memory 22 according to the second embodiment will be described.
I do. The 1/2 frequency dividing circuit 45 outputs a field synchronization signal (FIG.
13 (c)) to output a pulse having a frame cycle.
Power. AND gate 48 is a representative frame extracting means.
Memory write control pulse from 20 (FIG. 13 (b))
And the pulse of the frame period output from the frequency dividing circuit 45.
The logical product ((d) in FIG. 13) is stored in the registers 41, 42, 4
3 and 44. The frame number is stored in the first cash register.
It is supplied to the star 41. Ann in the representative frame
In synchronization with the pulse output from the first gate.
The frame number of the representative frame is loaded to the star 41.
You. The shift register 46 sets the field synchronization signal to “1”.
Registers 41, 42, 43 and
And 44 are output while the field sync signal is "0".
Serial output ((e) of FIG. 13). FIG. 14 shows a multiplexing circuit 2 according to the second embodiment.
In the block diagram of FIG. 4, reference numeral 49 denotes a multiplexer. Mar
While the field sync signal is "1", the multiplexer 49 is not used.
Select the video signal of the multi-screen ((f) in FIG. 13) and
The shift register 46 outputs while the field sync signal is "0".
Select the representative frame number ((e) in FIG. 13)
And outputs a multiplexed signal ((g) in FIG. 13). The recording circuit 25 has a multi-screen frame
The memory write end pulse output by the memory (see FIG. 13)
According to (h)), a multiplex signal is recorded on the recording medium 61.
(The recording signal is shown in FIG. 13 (i)). As described above, the video camera system of this embodiment
In the search data creation unit 66 for the stem, the multiplexing circuit 24
Is a signal that multiplexes the multi-screen and the number of the representative frame
Is recorded on the recording medium 61 by the recording circuit 25. A video camera system according to an embodiment of the present invention
FIG. 12 shows the configuration of the reproduction image selection section 67 of the system. FIG.
2, reference numeral 61 denotes a recording medium, 51 denotes a reproduction circuit, and 52 denotes
53 is a video signal and data separation circuit, and 53 is a video display
Column, 54 is a multi-screen selection means, 55 is a data memory
It is. The signal recorded on the recording medium 61 is
The video signal of the moving image and the camera operation information
Multiplexed signal and multiple representative frames are reduced to 1
The number of multi-screens and representative frame numbers
This is a multiplexed signal. The reproduction circuit 51 first has a multi-screen
And a signal in which the frame number is multiplexed. Separation times
Road 52 separates multi-screen video signal and frame number
The multi-screen video signal is displayed by the display means 53.
The frame number is stored in the data memory 55.
A person using the video camera system of the present embodiment
I want to play from the multi-screen displayed on the means 53
The frame is selected, and the data memory 55 is selected by the user.
The number of the frame is output to the reproduction circuit 51. Regeneration circuit
Reference numeral 51 denotes a file having a number input from the data memory 55.
Play a specific number of frames before and after, including frames
I do. The separation circuit 52 converts the reproduced signal into a video signal of a moving image.
And operation information, and only the video signal is displayed on the display means 53.
Supply. As described above, the video camera system of this embodiment
According to Stem, the user has selected from multiple screens
Play and display moving images including frames
You. In this embodiment, the recording circuit 25 is
A signal obtained by multiplexing the multi-screen and the representative frame number
The recording medium and the reproduction circuit 17 transmit the video signal, the operation information,
The medium for reproducing the multiplexed signal is the same medium 61.
However, the recording circuit 25 is different from the medium reproduced by the reproducing circuit 17.
It may be recorded on another medium. For example, the reproducing circuit 17
Playback from the magnetic tape, and the recording circuit 25
It may be recorded in a embodied semiconductor memory. In this case,
Two raw circuits are required for magnetic tape and semiconductor memory.
However, one separation circuit 52 may be provided as in the present embodiment.
Other parts operate in the same way as in this embodiment,
Plays and displays the video containing the frame selected by the user
be able to. In this embodiment, the frame selected by the user is selected.
The frame number was supplied to the playback circuit, but the selected frame
May be recorded on the medium 61 or another medium.
No. In this case, the number of multiple frames selected by the user
, And sequentially reproduces moving images including those frames
can do. Also, in this way,
Recorded moving image, the captured image was instructed by the user.
It is possible to edit it. As described above, the video camera system of the present invention
According to the system, the video signal of the captured moving image and the camera
The operation information is multiplexed and recorded. From the playback signal,
Automatic extraction of a frame or field
On a representative screen of a number of representative frames or fields
A composed multi-screen can be generated. This circle
Screen allows you to know at a glance the recorded video content.
Can be.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a video camera system according to a first embodiment of the present invention. FIG. 2 is a block diagram illustrating a configuration of a recording unit of the video camera system according to the embodiment of the present invention. 3 is a block diagram showing an example of the internal configuration of the operation information acquisition circuit 5 of the embodiment. FIG. 4 is a timing chart showing the operation of the operation information acquisition circuit 5 and the multiplexing circuit 6 of the embodiment. FIG. 6 is a block diagram showing an internal configuration example of the multiplexing circuit 6 of FIG. 6. FIG. 6 is a block diagram showing a configuration of a multi-screen output unit 62 of the embodiment. FIG. 7 is an internal configuration of a representative frame extracting means 64 of the embodiment. FIG. 8 is a block diagram showing an example of an internal configuration of a reduction circuit 21 and a multi-screen frame memory 65 of the embodiment. FIG. 9 is a configuration diagram of a video camera system according to a second embodiment of the present invention. [Figure] 10 is a block diagram showing a configuration of a search data creating unit 66 of the video camera system in the embodiment. FIG. 11 is a block diagram showing an example of an internal configuration of a representative frame extracting means 20 in the embodiment. FIG. 13 is a block diagram illustrating an example of an internal configuration of a frame number memory 22 according to an example; FIG. 13 is a timing chart illustrating operations of a frame number memory 22 and a multiplexing circuit 24 according to the embodiment; FIG. FIG. 15 is a block diagram showing an example of the internal configuration of a video camera system 24. FIG. 15 is a configuration diagram of a playback image selection unit 67 of the video camera system in the embodiment. FIG. 16 is a block diagram showing the configuration of a conventional video camera system. DESCRIPTION OF SYMBOLS 1 Image sensor 5 Operation information acquisition circuit 6, 24 Multiplexing circuit 7 Recording circuit 17 Reproduction circuit 20, 64 Representative frame extraction means 21 Reduction circuit 23, 65 Selection of Ruchi screen of the frame memory 54 multi-screen selection means 60 recording unit 61 recording medium 62 multi-image output unit 66 searches the data creation unit 67 reproduced image

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-60-18067 (JP, A) JP-A-64-29064 (JP, A) JP-A-3-29473 (JP, A) JP-A-2- 285867 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04N 5 / 262,5 / 76-5/956

Claims (1)

(57) [Claims] 1. An image capturing means for capturing an image of a subject and generating a video signal of a moving image, and camera operation information such as a focal length and an aperture at the time of capturing by the image capturing means. Operation information acquisition means for generating a video signal of a moving image from the imaging means and camera operation information from the operation information acquisition means, and a recording signal for recording the multiplexed signal on a recording medium; and A reproducing unit that reproduces a medium and outputs a video signal of a moving image and camera operation information, based on the video signal of the moving image and camera operation information, image data of a plurality of frames or fields satisfying a specific condition. Image extracting means for outputting the position of the extracted frame or field on the recording medium, and reducing the frame or field image data output by the image extracting means. Reducing means for outputting image data of a small screen; and image data corresponding to an extraction signal from the image extracting means among image data of a plurality of reduced screens from the reducing means; Multi-screen generating means for composing and outputting screen image data; multi-screen image data output by the multi-screen generating means; and a position on a recording medium corresponding to a reduced screen constituting the multi-screen. A multi-screen recording means for recording on a recording medium at the time of imaging or a recording medium integrated with the recording medium at the time of imaging; and reproducing the medium to correspond to multi-screen image data and reduced screens constituting the multi-screen. A multi-screen reproducing means for reproducing a set of positions on a recording medium; and displaying multi-screen image data output by the multi-screen reproducing means. Multi-screen display means; image selection means for outputting a selection signal indicating which reduced screen the user has selected from among the multi-screens displayed by the multi-screen display means; selection from the image selection means A selected image reproducing means for reproducing a video signal of a moving image corresponding to the reduced screen selected by the user based on the signal and the position on the recording medium corresponding to each reduced screen from the multi-screen reproducing means. A video camera system.