JPH05161056A - Picture controller - Google Patents

Abstract

PURPOSE:To record a picture of a desired position. CONSTITUTION:When the 'audio control mode' is selected by a changeover switch of an operation section 7, an audio signal inputted to an L channel and an R channel in a microphone 1 is converted respectively into an electric signal (audio signal). A comparator circuit 3 compares a level of an audio signal of the L channel outputted from the microphone 1 via an amplifier 2 with a level of an audio signal of an R channel and the generated position of the audio signal inputted to the microphone 1 is detected from the comparison result. Reading of a picture in a prescribed range is controlled from the picture stored in a memory 10 by a controller 6 around the audio signal generating position inputted to the microphone 1 and the read picture (picture signal) is fed from the memory 10 to a recording circuit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image control apparatus suitable for use in, for example, a video camera for recording images.

[0002]

2. Description of the Related Art For example, in a video camera, recording is performed by pointing the video camera to a desired subject.

[0003]

As described above, in the conventional video camera, the user operates the video camera to record a subject. Therefore, there is a problem in that the desired image cannot be recorded because the subject deviates from the center of the image due to camera shake of the user.

Further, when the subject moves in a relatively unpredictable manner, it requires skill to operate the video camera so that the subject is recorded in the center of the image, and for a general user, It was relatively difficult.

The present invention has been made in view of such a situation, and it is possible to surely record a desired image.

[0006]

An image control apparatus according to a first aspect of the present invention is a microphone 1 as a voice input means for inputting a voice, and a CCD 8 or an optical axis adjusting mechanism portion 21 as an image input means for inputting an image. And a comparison circuit 3 as a generation position detecting means for detecting the generation position of the voice input from the microphone 1, and an image output from the CCD 8 or the optical axis adjusting mechanism unit 21 corresponding to the generation position of the voice. A controller 6 or a controller 22 as a control means is provided.

This image control apparatus can further include a camera shake detection circuit 5 as a camera shake detection means for detecting camera shake of an image input from the CCD 8 or the optical axis adjusting mechanism section 21, and the controller 6 or the controller 22. Can control the image output from the CCD 8 or the optical axis adjusting mechanism 21 in accordance with the output of the camera shake detection circuit 5 or the output of the comparison circuit 3.

[0008]

In the image control apparatus according to the first aspect, the voice is input from the microphone 1, the image is input from the CCD 8 or the optical axis adjusting mechanism section 21, and the generation position of the voice input from the microphone 1 is detected. The image output from the CCD 8 or the optical axis adjusting mechanism unit 21 is controlled according to the detected sound generation position. Therefore, it is possible to record an image centered on the sound generation position.

In the case where an image blur is detected by the camera shake detection circuit 5 and the controller 6 or the controller 22 controls the image output from the CCD 8 or the optical axis adjusting mechanism portion 21 in response to the detected image blur. Can supply a position detection signal to the controller 6 or the controller 22 in place of the blur detection signal to record a desired image.

[0010]

1 is a block diagram showing the configuration of an embodiment of a video camera to which the image control apparatus of the present invention is applied.
The microphone 1 has an L channel and an R channel,
The audio input to each channel is an electrical signal (audio signal)
Convert to. The amplifier 2 amplifies the audio signal output from the microphone 1. The comparison circuit 3 compares the level of the L channel audio signal output from the microphone 1 via the amplifier 2 with the level of the R channel audio signal, and based on the comparison result, the generation position of the audio input to the microphone 1. To detect.

The CCD 8 converts light as an image (image information) input from a lens (not shown) into an electric signal (image signal). The A / D converter 9 subjects the image signal output from the CCD 8 to A / D conversion processing. Memory 10
Temporarily stores the A / D converted image signal output from the A / D converter 9. Further, the memory 10 is controlled by the controller 6 and supplies a predetermined range of the stored image signal (image) to, for example, a recording circuit (not shown) that records the input image signal on a tape or the like.

The sensor 4 detects the movement (angular velocity, angle, etc.) of the video camera body. The camera shake detection circuit 5 detects camera shake (camera shake) from the output of the sensor 4.

The controller 6 is input to the microphone 1 output from the comparison circuit 3 in accordance with the "voice control mode" or "handshake correction control mode" selected by the changeover switch (not shown) of the operation unit 7. The memory 10 is controlled so that an image (image signal) centering on the sound generation position or an image (image signal) in which camera shake detected by the camera shake detection circuit 5 is corrected is supplied to the recording circuit. .. The changeover switch of the operation unit 7 is the controller 6
It is operated when selecting the mode of.

Next, the operation will be described. CCD
At 8, light as an image (image information) input from the lens is converted into an electric signal (image signal) and output to the A / D converter 9. In the A / D converter 9, the CCD
The image signal output from the A / D converter 8 is A / D converted, and the memory 10 stores the A / D converted image signal output from the A / D converter 9. In the controller 6, the memory 10 is controlled so that the image 32 in a predetermined range among the images 31 input to the apparatus, that is, stored in the memory 10 is supplied to the recording circuit (FIG. 3).

When the changeover switch of the operation unit 7 is operated,
When the “camera shake correction control mode” is selected, the camera shake detection circuit 5 detects the camera shake from the output of the sensor 4. In the controller 6, an image 32 within a predetermined range from the image 31 stored in the memory 10 so as to correct the camera shake detected by the camera shake detection circuit 5.
Is controlled so that the read image (image signal) 32 is supplied from the memory 10 to the recording circuit.

On the other hand, when the "voice control mode" is selected by the changeover switch of the operation unit 7, the voices input to the L channel and the R channel of the microphone 1 are converted into electric signals (voice signals), respectively. The audio signal output from the microphone 1 is amplified in the amplifier 2. In the comparison circuit 3, the level of the L channel audio signal output from the microphone 1 via the amplifier 2 is compared with the level of the R channel audio signal, and from the comparison result, the sound generation position input to the microphone 1 is generated. Is detected. The controller 6 controls to read an image 32 in a predetermined range from the image 31 stored in the memory 10 so that the sound generation position input to the microphone 1 is centered, and the read image (image signal ) 32 is supplied from the memory 10 to the recording circuit.

Further, FIG. 2 is a block diagram showing the configuration of a second embodiment of a video camera to which the image control device of the present invention is applied. The parts corresponding to those in FIG. 1 are designated by the same reference numerals. The optical axis adjusting mechanism section 21
The image 41 (image information) at the blurred position is controlled by the controller 22 and the optical axis of the lens inside is changed.
Instead, the image 42 in a predetermined range before blurring is displayed on the CCD 2
3 (FIG. 4). The CCD 23 converts a light as an image (image information) supplied from the optical axis adjusting mechanism 21 into an electric signal (image signal), and records the input image signal on a tape (not shown) (not shown). ) Etc.

The controller 22 operates in accordance with the "voice control mode" or the "camera shake control mode" selected by the changeover switch of the operation unit 7, and the position where the voice input to the microphone 1 output from the comparison circuit 3 is generated. The image centered at (image signal) or the image (image signal) in which the camera shake detected by the camera shake detection circuit 5 is corrected is C
The optical axis adjusting mechanism unit 21 is controlled so that it is supplied to the recording circuit via the CD 23.

Next, the operation will be described. When the changeover switch of the operation unit 7 is operated and the “camera shake correction control mode” is selected, in the camera shake detection circuit 5,
The camera shake is detected from the output of the sensor 4. In the controller 22, the optical axis adjusting mechanism unit 21 is controlled so as to correct the camera shake detected by the camera shake detection circuit 5.
As a result, not the image 41 at the blur position, but the image 42 in a predetermined range before blurring is captured by the CCD 23, converted into an electric signal (image signal), and supplied to the recording circuit.

On the other hand, when the "voice control mode" is selected by the changeover switch of the operation section 7, the voices input to the L channel and the R channel in the microphone 1 are converted into electric signals (voice signals), respectively. The audio signal output from the microphone 1 is amplified in the amplifier 2. In the comparison circuit 3, the level of the L channel audio signal output from the microphone 1 via the amplifier 2 is compared with the level of the R channel audio signal, and from the comparison result, the sound generation position input to the microphone 1 is generated. Is detected. Before the sound is generated, the controller 22 controls the optical axis adjusting mechanism unit 21 to control the sound input to the microphone 1 when the optical axis is directed in a predetermined direction so as to capture the image 41 in FIG. 4, for example. The optical axis is adjusted so that the image 42 centered on the occurrence position of is captured. As a result, the image 42 is converted into an electric signal (image signal) in the CCD 23 and supplied to the recording circuit.

Since the voice generation position is detected as described above, it is possible to record an image centering on the voice generation position. With this, for example, if the video camera is attached to a tripod, the video camera is roughly aimed at the subject, and the photographer also joins the subject, if a voice is made in the center of the subject or a hand is claped, An image centered on that position can be taken.

In the embodiment shown in FIG. 1, the controller 6 is centered on the position where the voice input to the microphone 1 output from the comparison circuit 3 is generated, and the camera shake detection circuit 5 is used.
The memory 10 can be controlled so that the image (image signal) in which the camera shake detected by is supplied to the recording circuit. Similarly, in the embodiment of FIG. 2 as well, the controller 22 corrects the camera shake detected by the camera shake detection circuit 5 with the position of the sound input to the microphone 1 output from the comparison circuit 3 as the center. The optical axis adjusting mechanism section 21 can be controlled so that the image (image signal) thus formed is supplied to the recording circuit via the CCD 23.

The case where the image control apparatus of the present invention is applied to a video camera has been described above. However, the present invention provides an image signal corresponding to an audio signal such as recording an image following a sound source. It can be applied when controlling.

[0024]

According to the image control apparatus of the first aspect, the voice is inputted from the voice input means, the image is inputted from the image input means, and the generation position of the voice inputted from the voice input means is detected. Controlling the image output from the image input means in accordance with the detected sound generation position. Therefore, it is possible to record an image centered on the sound generation position.

According to the image control device of the second aspect,
Since the image corresponding to the voice generation position is obtained by using the means for detecting the image blur by the camera shake detection means and correcting the image blur, the configuration to be added is reduced and a low-cost device can be provided. Can be realized.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a video camera to which an image control device of the present invention is applied.

FIG. 2 is a block diagram showing the configuration of a second embodiment of a video camera to which the image control device of the present invention is applied.

FIG. 3 is a diagram showing a relationship between an image input to the apparatus and an image recorded in the embodiment of FIG.

FIG. 4 is a diagram illustrating an image input to the apparatus in the embodiment of FIG.

[Explanation of symbols]

 1 Microphone 2 Amplifier 3 Comparison circuit 4 Sensor 5 Camera shake detection circuit 6 Controller 7 Operation part 8 CCD 9 A / D converter 10 Memory 21 Optical axis adjustment mechanism part 22 Controller 23 CCD 31, 32, 41, 42 image

Claims (2)

[Claims] 1. A voice input unit for inputting a voice, an image input unit for inputting an image, a generation position detection unit for detecting a generation position of a voice input from the voice input unit, and the generation position detection unit. An image control apparatus, comprising: a control unit that controls an image output from the image input unit in accordance with a detected sound generation position. 2. A camera shake detecting unit for detecting a shake of an image input from the image input unit, wherein the control unit corresponds to an output of the camera shake detecting unit or an output of the generation position detecting unit. The image control apparatus according to claim 1, which controls an image output from the image input unit.