JPS642950B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a frame composition recording device that automates the production of 30 minutes or 1 hour of television video.

A frame composition recording device extracts colored original images stored in a large-capacity storage device such as a magnetic disk device in a certain sequence, composes the frames on a color CRT, and outputs them to a video tape recorder (video tape recorder).
For example, a 30-minute television video is recorded on an image recording device such as Tape or Recorder (hereinafter simply referred to as VTR). The Japanese standard for VTRs is to record 30 frames (regular images) per second. The frames are converted to a composite color video signal before being stored on the VTR. For example, NTSC is a composite color video signal.
(National Television System Committee) signals, PAL (Phase Alternation by Line) signals, etc. are used.

In conventional devices of this type, the colored original drawings are stored in a computer's large-capacity magnetic disk drive, and the background drawings and line drawings are synthesized according to the instructions on the time sheet (which predetermines the original image compositing sequence). It is called by the circuit and one frame is synthesized. At this time, it takes 1 to 2 seconds for current computers to synthesize one frame due to data transfer speed limitations of magnetic disk devices. For example, when creating a TV video for a 30-minute program, 30 (pictures) x 60 (seconds) x 30 (minutes)
54,000 frames must be recorded.

If it takes 2 seconds to composite one frame, it will take 30 hours to process 54,000 images. Assuming that the VTR is running continuously during this time, even if a 3-hour recording tape is used,
10 rolls of tape must be used. The task of re-editing the tapes recorded continuously in this way for a 30-minute program is difficult and takes up a considerable amount of man-hours. Furthermore, purchasing an editing machine that automatically performs this editing would be extremely expensive.

The present invention has been made in view of these points, and in addition to a magnetic disk device that stores original drawings, the present invention temporarily stores original drawing data taken out from the magnetic disk device by dividing it into background drawings and line drawings. 1 from the background image and line drawing taken out from the memory.
At the same time as combining frames, the frame image is modulated into a composite color video signal for a certain period of time.
A frame composition recording device is realized which can greatly shorten frame composition recording time and eliminate editing work after recording by recording on a VTR. Hereinafter, the present invention will be explained in detail with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. In the figure, reference numeral 1 denotes a magnetic disk device in which colored original pictures are stored in advance, and 2 is a magnetic disk device (hereinafter simply referred to as disk device) in which a combination sequence of moving images is stored in advance. 3 is a time sheet in which a combination sequence of moving images is recorded. 4 is a first computer (hereinafter referred to as "first computer") which reads the sequence recorded on the time sheet 3 and stores it in the disk device 2, and retrieves the original image data from the disk device 1 according to the combination sequence of the moving images stored in the disk device. (abbreviated simply as CPU). The disk devices 1 and 2, time sheet 3, and CPU 4 described above constitute a colored image file section.

5 is a second CPU that receives original image data from the first CPU 4 and performs various controls. 6 is CPU
This is a memory changeover switch that receives original image data from 5. CM ₁ to CM ₂₀ are memory selector switches 6
This is a memory that sequentially stores line drawing data of the original image data output from the video sequence.
For example, a refresh memory is used as the memory. BM ₁ and BM ₂ are memories that sequentially store background image data of the original image data in the order of the moving image sequence. The above-mentioned refresh memory is also used for this memory. All of these refresh memories are for temporarily storing original image data, and are composed of volatile semiconductor memories. Reference numeral 7 denotes a synthesis circuit that receives the outputs of the respective refresh memories and synthesizes one frame worth of images. The components from the second CPU 5 to the synthesis circuit 7 described above constitute an image synthesis section.

Reference numeral 8 denotes a color CRT for a monitor that receives the output of the synthesis circuit 7 and displays the synthesized image.
Reference numeral 9 denotes an encoder that modulates one frame worth of image signal output from the synthesis circuit 7 into a composite color video signal, for example, an NTSC signal. 10 is an image recording device that stores the output of the encoder. As the recording device, for example, the above-mentioned VTR is used. A controller 11 receives a control signal from the CPU 5 and outputs a tape feed or stop signal to the VTR 10. The encoder 9, VTR 10, and controller 11 described above constitute an image recording section. The operation of the circuit configured in this way will be explained as follows.

The CPU 4 files, for example, colored background images and line drawings for 30 minutes separately in the disk device 1 in advance. Next, the combined sequence of moving pictures is incorporated from the time sheet 3 and is filed in the disk device 2. FIG. 2 is a diagram showing an example of a time sheet. In the figure, the _l1 column at the left end indicates the frame number. l _{The second} column shows seconds. l The 1 in _{the 2nd} column indicates that 30 frames equals 1 second. l _{The third} column shows the data number of the background image. Identical numbers indicate identical background images. For example, it is shown that the same background image is used up to frame F17. l ₄ , l ₅ ,
l ₆ indicates data numbers of different line drawings.
The same number indicates the same line drawing in each column, as in the _l3 column. One frame of image is composed of a combination of these images from the _13th column to the _16th column.
For example, frame F22 is composed of a combination of pictures in 2 rows of _l3 , 5 in rows of _l4 , ₅ in rows of l5, and 2 in rows of _l6 . Here, the line drawing of l ₄ columns is line drawing A, that of l ₅ columns is line drawing B,
l Let the _6th column be line drawing C.

A combined sequence of moving images written on such a time sheet is read into the CPU 4 via a time sheet reading device (not shown). Note that the number of time sheets 3 is usually plural. As a timesheet reading device, for example, OCR (Optical
Character Reader) is used. CPU4 is
The loaded video combination sequence is transferred to disk device 2.
File it to . In this way, the file of the original image and moving image combination sequence is completed.

Next, the CPU 4 first sends the original image data of the background image 1 (hereinafter referred to as background image 1) used for compositing the frame F1 to the CPU 5 in accordance with the moving image combination sequence filed in the disk device 2.
The CPU 5 outputs this original image data to the memory changeover switch 6. After that, the memory selection switch 6
A switching signal is applied to the background image storage memory BM1 to store the original image data in the background image storage memory _BM1 . Subsequently, the background image 2 is stored in the memory BM ₂ by the same operation.
Next, CPU4 sends the line drawing B1 to CPU5, and
5 is stored in the line drawing storage memory CM ₁ via the memory changeover switch 6. Subsequently, the line drawing A1 is stored in the memory _CM2 by a similar operation.

In this way, the frames F1, F2, etc. and the original image data are stored in the memory. Frame F4
When it comes to , line drawing B changes from B1 to B2, so
B2 is stored in the next memory _CM3 . In the following frame F5, the line drawing A changes from A1 to A2, and A2 is stored in the memory _CM4 . below,
In the same way, frame numbers are sequentially advanced. That is, when the line drawing number changes, new line drawing data is sequentially stored in the memory for each line drawing A, B, and C. This storage operation continues until background image 2 is completed.

FIG. 3 is a graph of the above-mentioned moving image synthesis sequence. In the example shown, frame F
The background image 2 ends at 32. Therefore, the apparatus shown in FIG. 1 stops operating when the line drawing C5 is stored in the memory CM ₁₉ . If the background does not change, the operation will stop when image data is stored up to memory CM ₂₀ . The reason why the operation is stopped in this manner is that the original picture storage memory CM ₂₀ or BM ₂ is used up and new data cannot be stored unless the memory is updated.

After the device stops the memory storage operation, the data stored in these memories are retrieved and a one-frame image is synthesized. First, the synthesis circuit 7 receives a synthesis command signal from the CPU 5,
Import background image 1 from memory BM ₁ , line drawing B1 from memory CM ₁ , and line drawing A1 from memory CM ₂ to create the first image.
The th frame image F1 is synthesized. This synthesized frame image is displayed on a color CRT monitor 8. Therefore, the operator can view the composite image. This is convenient because in the case of a defective image, measures such as correcting the original image can be taken.

The synthesis circuit 7 sends the synthesized frame image F1 to the encoder 9 for only 1/30 seconds. encoder 9
modulates the sent F1 image into an NTSC signal and records it on the VTR 10. Next, the synthesis circuit 7
combines the F1 image and the same F2 image and sends it to the encoder 9 for 1/30 seconds. At frame F4, line drawing B is switched from B1 to B2, and the synthesis circuit 7 synthesizes frame image F4 from background image 1, line drawing A1, and line drawing B2. Also, frame F2
When it becomes 0, a new line drawing C1 is added. In this way, the NTSC signals F1 to F32 are continuously sent from the encoder 9 to the VTR 10 for 1/30 seconds each and are recorded.

During this time, the controller 11 receives a composite frame transmission start signal from the CPU 5 and sends the composite frame to the VTR 10.
or upon receiving the transmission end signal, the VTR recording is stopped. When using the helical recording method as the VTR recording method, VTR10
It takes about 5 seconds for the recording head to finish recording and for the recording head to rotate and become ready for the next recording. Therefore,
During these 5 seconds, the CPU 5 erases the background image and line drawing stored in the memory up to F32. Next, background images and line drawings after F33 are stored in the memories CM ₁ to CM ₂₀ and BM ₁ and BM ₂ by the same operation as described above. Next, frame images are synthesized according to the video synthesis sequence, and the synthesized frame images are
The signals are modulated into NTSC signals and sequentially recorded on a VTR.

By repeating the above operations, a 30-minute TV video VTR tape, for example, is automatically created. In the device of the present invention, the composite image for each frame is recorded on the VTR in 1/30 second increments, so that editing work is also performed automatically. Therefore, there is no need to perform separate editing work. Furthermore, according to the present invention, a 1-second image can be processed in about 6 seconds, so the time required to edit a 30-minute composite recording is 6 (seconds) x 30 (minutes) x 60 (seconds) = 3
(time), which is approximately 1/10 of the time compared to conventional equipment.

Two sets of memories for storing original image data are used for background images and 20 sets for line drawings, but these memories can be increased or decreased as necessary. Furthermore, in the above explanation, the memories BM ₁ , BM ₂ , CM ₁
After storing background images and line drawings up to CM ₁₉ , the device will temporarily stop operating. Instead of such a method, the contents of the memory used for frame composition may be sequentially erased and new original image data may be stored. Furthermore, the composite color video signal is not limited to the NTSC signal, and may be a PAL signal or other signals. The image recording device is not limited to a VTR, and may be other devices such as a video disk.

As described in detail above, according to the present invention, in addition to a magnetic disk device that stores original drawings, there is also a memory that temporarily stores original drawing data taken out from the magnetic disk device into background drawings and line drawings. , synthesizes one frame from the background image and line drawing retrieved from the memory, and modulates the frame image into a composite color video signal for a certain period of time.
It is possible to realize a frame synthesis recording device that can significantly shorten the frame synthesis recording time and eliminate editing work after recording by causing the recording to be performed on a VTR.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention. FIG. 2 is a diagram showing an example of a time sheet. FIG. 3 is a diagram showing a moving image synthesis sequence. 1, 2...Magnetic disk device, 3...Time sheet, 4, 5...CPU, 6...Memory selector switch, 7...Composition circuit, 8...Color CRT, 9
... Encoder, 10 ... VTR, 11 ... Controller, CM ₁ to CM ₂₀ ... Line drawing storage memory,
BM ₁ , BM ₂ ...Memory for storing background images.

Claims (1)

[Scope of Claims] 1. A storage device for storing colored original drawings (line drawings and background drawings), and a switching switch for switching the original drawings stored in the storage device according to a predetermined sequence based on the contents of a time sheet. It has a plurality of memories that temporarily store line drawings and background images separately before compositing via a means, and extracts the line drawings and background images from the memories and synthesizes them frame by frame, and this synthesized frame image is A frame synthesis recording device modulates a composite color image signal and causes an image recording device to record the signal for a certain period of time. 2. The frame synthesis recording device according to claim 1, wherein a magnetic disk device is used as the storage device. 3. The frame composition recording apparatus according to claim 1, wherein a refresh memory is used as the memory. 4. The frame synthesis recording apparatus according to claim 1, wherein an NTSC signal is used as the composite color image signal. 5. The frame composition recording device according to claim 1, wherein the certain time is set to 1/30 second. 6. The frame composition recording apparatus according to claim 1, wherein a video tape recorder (VTR) is used as the image recording apparatus.