JPH01318469A - Vtr integrated with camera and video camera - Google Patents

Abstract

PURPOSE:To record a title in a desired form when a subject is photographed by deforming the video signal of the title stored in a memory means based on the arithmetic result of an arithmetic means and recording the deformed video signal to a recording medium together with the video signal obtained by an image pickup means. CONSTITUTION:A digital titler part 12 is connected to an image pickup part 10, a recording part 14 and a system control part 20 respectively. The title data stored in a title memory 64 is converted into a form selected by an arithmetic part 66 with use of the control signal received from the part 20. Then this converted data is read out of a video memory VRAM 68 and superposed on a picture shown by the video signals inputted from the part 10 for display. Thus these video signals are sent to the part 14 and mixed there at.

Description

TECHNICAL FIELD The present invention relates to a camera-integrated VTR and video camera, and more particularly to a camera-integrated VTR and video camera that can record a predetermined title when photographing a subject.

BACKGROUND ART In a camera-integrated VTR (camcorder), at the same time as a subject is photographed, a title corresponding to the scene is superimposed on the screen and recorded.

As this type of device, a device having a so-called superimpose function has been proposed, for example, in which a photographer photographs a title in advance with a camera and inserts the title when necessary while photographing a subject.

This device photographs a title created or prepared by the photographer in advance, and the screen of the photographed title is digitized and stored in the device's internal memory.

While photographing a subject, when the photographer reaches a scene where he or she wants to insert a title, he or she can call up the title stored in memory, insert it into that scene, and record it.

However, in conventional devices having a superimpose function, titles stored in memory in advance are inserted in the same size as they are on the screen being photographed. Therefore, if the object used as the title manuscript is small, such as a train ticket or an admission ticket to an amusement park,
It could not be used as a title.

Furthermore, since the title stored in the memory is inserted as is, it is not possible to perform advanced operations such as zooming out the title or defocusing the title part.

SUMMARY OF THE INVENTION An object of the present invention is to overcome the drawbacks of the prior art and provide a camera-integrated VTR and video camera that can record a title in a desired format when photographing a subject.

DISCLOSURE OF THE INVENTION According to the present invention, a camera-integrated VTR having an imaging means for converting an input optical image into a video signal and a recording means for recording the video signal on a recording medium can record the title converted by the imaging means. a storage means for storing a video signal; a control means having at least one transformation control data for transforming the title video signal into a predetermined form; a selection means for selecting the transformation control data; and a selection means for selecting the transformation control data. and calculation means for performing calculations for transforming the video signal of the title into a predetermined form when the video signal of the title is selected, and when the transformation control data is selected by the operator with the selection means, the title stored in the storage means is The video signal is transformed according to the calculation result of the calculation means, and can be recorded on a recording medium together with the video signal obtained by the imaging means.

Further, according to the present invention, a video camera having an imaging means for converting an input optical image into a video signal and an output means for outputting the video signal includes a storage means for storing a video signal of a title converted by the imaging means. a control means having at least one transformation control data for transforming the video signal of the title into a predetermined form; a selection means for selecting the transformation control data; and when the transformation control data is selected by the selection means, the transformation control data of the title is and a calculation means for performing calculations for transforming the video signal into a predetermined form, and when the transformation control data is selected by the operator using the selection means, the video signal of the title stored in the storage means is transferred to the video signal of the title stored in the storage means. It is deformed according to the calculation result and can be output together with the video signal obtained by the imaging means.

DESCRIPTION OF EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a schematic configuration diagram of an embodiment in which the present invention is applied to a camera-integrated VTR. The camera-integrated VTR 100 of this embodiment has a recording function and a playback function in addition to an imaging function. The camera-integrated VTR 100 is a camera equipped with a so-called superimpose function, and has a title memory 64 and a calculation section 66 as shown in FIG. Depending on the operation, the image is converted into a selected format, such as enlarging, reducing, or zooming out, and is inserted into the shooting screen.

The imaging unit 10 includes an optical system lens (not shown) and a CCD.
The system control unit 2 has a solid-state image sensor such as
0, convert the optical image of the object formed through the lens into a video signal, form a composite video signal in standard color television format including a luminance signal, a color difference signal, and a synchronization signal. It is sent to the recording section 14 via the digital titler section 12.

The digital titler part 12 includes an imaging section 10 and a recording section 14.
, and is connected to the system control unit 20. As will be described later, the title data stored in the title memory 64 is converted into a format selected by the calculation unit 66 according to a control signal sent from the system control unit 20, and the converted data is stored in the video memory (VRAM) Ei8. The data is read out and sent to the recording unit 14 so that these signals are mixed in order to display the read converted title superimposed on the image represented by the video signal input from the imaging unit IO. .

Referring to FIG. 2, the construction of digital titler portion 12 is shown in more detail. Digital titler part 12
As shown in FIG.
8. Includes D/A converter 70.

The A/It conversion unit 62 converts the composite video signal of the title input from the imaging unit 10 into a digital signal and sends it to the title memory 64.

The title memory 64 stores title data input from the A/D converter 62.

Performance 3 (mfi8 calculates a pixel pattern in accordance with a control signal sent from the system control unit 20 so that the title data stored in the title memory 64 has the format selected by the operation unit 22. For example, If the selected format is enlargement, the calculation unit 66 determines a pixel pattern for outputting title data according to the set enlargement rate.

The VRAM[i8 converts title data according to the calculation result of the calculation unit 66 in accordance with instructions from the system control unit 20, and sends the converted title data to the D/A conversion unit 70. The D/A conversion section 70 converts the digitized title data sent from the VRAM 8 into an analog signal and sends it to the recording section 14 .

The timing generator 74 includes the A/D converter 62, Tie)/lz Memo 1J84, VRAM88, and Oyohi D/A.
It is connected to the conversion section 70 and sends temporal timing signals for each process to each section according to instructions from the system control section 20.

The signal output from the digital titler section 12 and mixed with the video signal from the imaging section 10 is also sent to an electronic viewfinder (EVF) 32, and an image with a title superimposed on the photographed image is displayed in the electronic view. Finder 3
2.

Returning to FIG. 1, the recording section 14 modulates the video signal input from the imaging section 10 and the digital titler part 12 into a signal to be recorded on a video tape, and outputs it to the tape recording mechanism 24. The tape recording mechanism 24 has a rotating head cylinder necessary for recording video and audio signals on a video tape, a tape drive mechanism such as a motor, and a tape loading section for loading a video cassette tape. It is driven according to the input control signal.

The recording unit 14 outputs a video signal mixed with a title formed by the imaging unit 10 and transformed into a predetermined shape by the digital titler part 12 to a tape recording mechanism 24 in accordance with a control signal input from the system control unit 20. supply The tape recording mechanism 24 records a video signal on a video track of a video cassette tape loaded in a tape loading section via a video head.

The system control section 28 is advantageously constituted by a microcomputer (CPU), and includes an imaging section 10, an operation section 22, a recording section 14, a digital titler section 12. and a tape recording mechanism 24. The system control section 20 sends control signals to each section of the VTR+00 according to the connection state of each switch arranged on the operation section 22.

As shown in FIG. 3, the operation unit 22 is arranged on the outer surface of the casing of the camera-integrated VTR+00, and includes a recording switch 56 for inputting the start and end of recording, and a recording switch 56 for inputting the start and end of recording, and a switch for storing the title in the title memory 64. A title memory switch 52, a title recording switch 53 for inserting the title into the shooting screen, a title transformation mode selection switch 54 for selecting the output format of the title stored in the title memory 64, and a title transformation mode selection switch 54 for transforming the title in the selected mode. It has a title modification execution switch 55 for.

Note that the title modification mode selection switch 54 has the function of instructing two operations. The first function is for inputting the title stored in the title memory 64 and an instruction for causing the EVF 32 to output a mode menu for transforming the title. Second
This function is for selecting and confirming a desired mode from the mode menu output to the EVF 32.

Each of these switches can be operated by the photographer.

The electronic viewfinder (EVF) 32 has a small cathode ray tube, and displays an image based on a video signal formed by the imaging section 10 and inputted via the digital titler part 12. Alternatively, it displays a plurality of titles selected by the digital titler part 12, and further receives a video signal in which titles in the format selected by the digital titler part 2 is mixed, and outputs the image.

The operation of the camera-integrated VTR+00 as described above will be explained.

Referring to FIG. 4, an example is shown in which a desired title is enlarged and inserted into the photographic screen.

In this example, the previously recorded text title "Wedding" is enlarged and inserted into the photographic screen.

First, the operator uses the camera 10 to record the title.
Turn on the main power supply (not shown). When the main power is turned on, the system control unit 20 outputs a control signal to the imaging unit 10 to enable recording. This state continues until the main power is turned off, regardless of whether recording is being performed or not.

Next, the operator selects the EVF as shown in FIG. 4A.
32, move the small letters "Wedding j" to the upper left corner of the screen, and press the title memory switch 5.
Operate 2. When the title memory switch 52 is connected, the imaging unit 10 converts the optical image of the title "wedding" formed through the lens into a video signal.
Output to the digital titler part 12. The input analog video signal of the characters "wedding" is digitized by the A/D converter 62 and stored in the title memory 84.

In this way, the title inserted on the shooting screen is VT.
R]00 is stored in the title memory 64.

The operator operates the recording switch 56 to record the subject. When the recording switch 56 is connected, the system control unit 20 controls the recording unit 14 to start recording captured images on the video cassette tape loaded in the tape recording mechanism 24.

The operator presses the title transformation mode selection switch 54 in order to enlarge the characters of the recorded title and insert it into the shooting screen.
operate. As shown in FIG. 4B, when the title transformation mode selection □ switch 54 is connected, the system control unit 20 calls the title stored in the title memory 64 to the DA conversion unit 70 and transforms the title again. Similarly, the remote menu for EVF 32 is called from the title memory 64 to the DA converter 70.
Output to. This causes the title and mode menu to be displayed on the EVF 32, as shown in FIG. 4B. At this time, a cursor 82 is displayed on the EVF 32 for the operator to select a desired mode.

The operator selects a desired mode from the mode menu displayed on the EVF 32. In this example, the operator operates the title transformation mode selection switch 54 to move the cursor 82 to "curly".

After confirming the position of the cursor 82, the title transformation execution switch 55 is operated. Title transformation execution switch 55
is connected, the system control unit 20 inputs the title data stored in the title memory 64 to the calculation unit 6.
Send on 6. It also controls the calculation unit 6G to perform calculations for enlarging the title data of the characters "wedding" sent from the title memory at a predetermined enlargement rate. After the calculation, the calculation result is stored in the VRAM 68 and the DA converter 70
The title data is sent to the recording unit 14 and the EVF 32 through the camera, and the title data is enlarged as shown in FIG. 4C.

Furthermore, the operator operates the title recording switch 53 in order to insert the title converted into a desired format into the photographing screen. When the title recording switch 53 is connected, the system control unit 20 calls up the enlarged digital title data stored in the VRAM 68,
After converting to analog in the D/A converter 70, the image capturing unit 10
The mixed signal is mixed with the video signal input from the video signal and sent to the recording section 14. The recording section 14 supplies the mixed video signal to the tape recording mechanism 24, and records it on the video track of the video cassette tape loaded in the tape loading section via the video head. Note that the mixing of the title data and the video signal in the mixing section, that is, the recording of the title, is set to end after a predetermined time has elapsed.

In this way, the enlarged title as shown in FIG. 4C is recorded on the video cassette tape 40 together with the video signal being shot.

5A to 5C and 6A to 6C,
The state at the time of title insertion when another mode is selected and executed by the title transformation mode selection switch 54 is shown.

FIGS. 5A to 5C are examples when "Pin Out" is selected from the mode menu shown in FIG. 4B.

"Pin out J means to shift the focus of the displayed title in stages. In this case, the calculation unit 6
6, a computation is performed to thin out the characters of "wedding" stored in the title memory 64 at a predetermined thinning rate. To thin out the title data, for example, reduce the data by 20%,
The thinning is performed in stages at a set thinning rate of 40%.

FIGS. 6A to 6C are examples when "zoom out" is selected from the mode menu shown in FIG. 4B. "Zooming out" means gradually enlarging the displayed title. In this case, the calculation unit 6
6, a computation is performed to gradually enlarge the characters of "Wedding J" stored in the title memory 64 at a set enlargement rate.

As shown in FIG. 4B, the title mode selection by the title transformation mode selection switch 54 includes "Shukushiyo" or "Idu", and in these cases, the calculation is performed under the control of the system control unit 20. The unit 66 performs calculations based on the set reduction ratio, and also performs calculations such as coordinate transformation.

In this way, the camera-integrated VTR 100 of this embodiment has the following features:
Title memory 64, calculation unit 66, and VRAM 88
is equipped with. Therefore, the photographer uses EVF 32
While recording the subject while looking through the camera, when the scene you want to display is reached, press the title transformation mode selection switch 54;
By operating the title modification execution switch 55 and the title recording switch 53, the title stored in the title memory 64 in advance can be easily inserted into the photographic screen in a desired format.

In this embodiment, the present invention was explained using a video camera integrated VTR having a recording function and a playback function as an example.
The present invention can be applied not only to integrated video cameras but also to other camera devices such as separate video cameras and disk cameras.

Effects According to the present invention, the camera-integrated VTR or video camera includes a storage means for storing a video signal of a captured title, and a control having transformation control data for transforming the video signal of a title into a predetermined shape. Since the camera has a calculation means for performing calculations for transforming the video signal of the title into a predetermined format, the photographer can easily insert the title photographed in advance in a desired format.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of a camera-integrated VTR according to the present invention, FIG. 2 is a block diagram showing a part of the device shown in FIG. 1 in detail, and FIG. 3 is a block diagram showing a part of the device shown in FIG. Exterior perspective views, Figures 4A to 4C are views showing an example of the electronic viewfinder display during operation of the device in Figure 1, and Figures 5A to 4C.
5C is a diagram showing another example of the display of the electronic viewfinder during operation of the apparatus shown in FIG. FIG. Explanation of symbols for main parts 10: Imaging section 12, Digital titler section 14, Recording section 20, System control section 22, Operation section 24, Tape recording mechanism 32,... Electronic viewfinder 84, , Title memory ee, , Arithmetic unit 138, , VRA 14 740. Timing Generator Patent Applicant Fuji Photo Film Co., Ltd. Representative Katori Takao Maruyama Takao L3 Recessed Figure 4A Fallen Filiation 748 Figure Shobeng ILc Mouth Bending 5A Figure Shiba Figure 58) 6A Figure Tail /) 8 Figure filial, 5C Figure Button Ri Otsu C diagram

Claims (1)

[Claims] 1. A camera-integrated VTR comprising an imaging means for converting an input optical image into a video signal, and a recording means for recording the video signal on a recording medium. storage means for storing the converted video signal of the title; control means having at least one transformation control data for transforming the video signal of the title into a predetermined form; and selection means for selecting the transformation control data. and calculation means for performing calculations for transforming the video signal of the title into a predetermined form when the modification control data is selected by the selection means, and the modification control data is selected by the selection means by the operator. Then, the video signal of the title stored in the storage means is transformed according to the calculation result of the calculation means, and can be recorded on the recording medium together with the video signal obtained by the imaging means. A camera-integrated VTR. 2. A video camera having an imaging means for converting an input optical image into a video signal, and an output means for outputting the video signal, the camera having: a memory for storing a video signal of a title converted by the imaging means; means, a control means having at least one transformation control data for transforming the video signal of the title into a predetermined form, a selection means for selecting the transformation control data, and a selection means for selecting the transformation control data. and calculation means for performing calculations for transforming the video signal of the title into a predetermined form when the video signal of the title is selected, and when the transformation control data is selected by the operator using the selection means, the transformation control data is stored in the storage means. A video camera characterized in that the video signal of the title can be transformed according to the calculation result of the calculation means and output together with the video signal obtained by the imaging means.