KR970008233B1 - Apparatus for image editing - Google Patents

Abstract

The image editing apparatus comprises decks A,B (1, 2) which is capable of reproducing and recording; a signal treating portion (100, 200) which is connected with the decks A,B and comprises of a free amp (3, 4), Y/C treatment portion (5, 6) and audio signal treatment portion (7, 8); an A/V input/output switching means (300, 400) which is connected with the decks A,B (1, 2), an outer audio and a video input/output terminal, and which selects audio and video signal from the decks A,B (1, 2), an outer audio and a video input/output terminal: a zooming means (500) which is connected with the A/V input/output switching means (300, 400), and which zooms a portion selected by a user with a magnification; and a micro-computer 10 for controlling the decks A,B (1, 2), the A/V input/output switching means (300, 400) and the zooming means (500).

Description

Image editing device

1 is a block diagram of a conventional image editing apparatus;

2 is a view for explaining an editing method by a conventional image editing apparatus;

3 shows (a) and (b) an image state,

4 is a flowchart for implementing a method of removing a bad portion by a conventional image editing apparatus;

5 is a configuration diagram of an image editing apparatus of the present invention;

6 (a) and (b) are detailed configuration diagrams of the A / V input and output means of FIG.

7 is a detailed configuration diagram of the zoom means of FIG.

FIG. 8 is a detailed configuration diagram of the horizontal and vertical lead / light control unit of FIG.

9 is a detailed configuration diagram of the horizontal and vertical zoom factor generation numbers in FIG.

10 is a schematic operational flow chart of the present invention.

* Explanation of symbols for main parts of the drawings

1,2: Deck A, B3, 4: Preamp

5,6: Y / C processing unit 7,8: audio signal processing unit

9: switching unit 10: microcomputer

100,200: signal processor 300,400: A / V input / output switching means

310,320: Video, audio input selector

410,420: Video, audio output selector

500: zoom means 510, 520: odd and even field memory

540: line memory 560,570: horizontal and vertical zoom processing unit

530,550: Vertical, horizontal lead / right control

580,590: horizontal and vertical zoom coefficient generator

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image editing apparatus, and more particularly, to an image editing apparatus in which a desired portion can be edited to a desired size and an unnecessary portion can be removed when editing already photographed image data.

In general, an image editing apparatus (e.g., a double deck VCR) is a preamplifier that amplifies a signal to be reproduced or recorded by decks A, B (1) and (2) capable of reproduction and recording as shown in FIG. 3), (4) and luminance and color signal processing units (hereinafter referred to as Y / C processing units) (5), (6) and audio signal processing units (100) and (200) consisting of audio signal processing units (7) and (8). ), A switching unit 9 for switching signals between the two decks A, B (1) and (2) and external video and audio signal input / output terminals, and the two decks A, B (1) and (2). The control unit, and the microcomputer 10 for controlling the switching of video and audio signals.

The conventional image editing apparatus as described above sets the time zone of the portion to be recorded on the playback deck (deck A or B), and places the desired portion on the recording deck (deck A or B) by the deck control by the microcomputer 10. The recording of the time zone is set by the microcomputer 10 as a relative time, and the switching unit 9 is switched according to the purpose setting of the decks A, B (1), and (2).

However, in the above, the conventional image editing apparatus has a level of cutting and re-editing arbitrary portions or deleting a bed portion by the deck control of the microcomputer 10 as shown in FIG. It was. Therefore, when shooting incorrectly, you had to delete or simply view all the frame data. Here, the bad part refers to a part where a bad scene is to be photographed and deleted.

In other words, when the image taken in FIG. 3 is taken, if a trash box is continuously inserted in the corner for about one minute in a continuous shooting of a specific person, the conventional image editing device discards one minute of image data. There was no choice but to see the trash can.

In the method of deleting the bad part, when the time domain of the bad part is reproduced by the control of the playback deck, the bad part can be deleted through the switching of the switching unit 9 and the control of the recording deck. As shown in

First, it is judged whether the image of the frame reproduced by the playback deck is good, and if it is determined that it is not good, only the display is recorded without recording. If it is judged good, the recording deck is driven to record the frame to be reproduced.

Then, it is determined whether it is the end of the frame to be edited or the end of the tape to be edited, and if it is the end, the process ends. If not, the process is repeated repeatedly until the end.

As a result, the conventional image editing apparatus as described above has a disadvantage in that if image data between any time of the photographing data includes unnecessary image data, the data of the time zone must be deleted or viewed in an unsatisfactory state.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problem, and an object thereof is to provide an image editing apparatus capable of directly recording and editing a desired portion of a captured image in a desired size in real time.

Features of the present invention for achieving this object are decks A and B capable of reproducing and recording, a signal processor comprising a preamplifier, a Y / C processor and an audio signal processor connected to decks A and B, and deck A, A / V I / O switching means, A / V I / O switching means and A / V which are connected to B and external audio and video input / output terminals and select audio and video signals from the decks A, B and external audio and video input / output terminals. A zoom means connected to an input / output switching means and zooming the selected area at an arbitrary magnification, the deck A, B and A / V input / output switching means and a zoom means connected to the deck A, B and other A / V I / O An image editing apparatus comprising a microcomputer for controlling a switching means and a zoom means.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

5 is a block diagram of the image editing apparatus according to the present invention, and the decks A, B (1) and (2) capable of playback and recording are reproduced from the decks A, B (1) and (2). Pre-amps 3, 4 and Y / C processing units 5 respectively processing video signals and audio signals and processing video signals and audio signals to be recorded on the decks A, B (1) and (2). The signal processing unit 100, 200 consisting of (6) and audio signal processing unit (7), (8) is connected.

In addition, the signal processing unit 100, 200 and the external audio and video input / output terminals include audio / video (hereinafter referred to as A / V) input / output switching means 300 and 400 for selecting input / output audio and video signals. The A / V I / O switching means 300 and 400 are connected to a zoom means 500 that zooms an arbitrary area at an arbitrary magnification.

In addition, the decks A, B (1), (2) and the A / V I / O switching means 300, 400, and the zoom means 500 have A / B on the decks A, B (1), (2). V input and output switching means 300, 400 and the microcomputer 10 for controlling the zoom means 500 is connected is configured.

6A and 6B show detailed block diagrams of the A / V input / output switching means, and the A / V input switching means 300 receives the input selection control signal S0 from the microcomputer 10. And A / V input selectors 310 and 320 for selecting A / V signals from the deck A, B (1), and (2) and external A / V input terminals according to (S1). The A / V output switching means 400 receives the A / V signal input according to the output selection control signals d0 and d1 from the microcomputer 10, such as deck A (1) or deck B (2). Or A / V output selectors 410 and 420 for outputting to an external A / V output terminal, wherein the A / V input selectors 310 and 320 are multiplexers and A / V output selectors. 410 and 420 are examples of the demultiplexer.

FIG. 7 shows a detailed block diagram of the zooming means, and the analog digital converter ADC1 converts the video signal from the A / V input switching means 300 into a digital signal. A memory unit 525 comprising odd and even field memories 510 and 520 that are temporarily stored in a signal converted into a signal, and the odd and even field memories 510 and 520. The vertical read / write control unit 530 for controlling the output of the control unit 530 is connected to the odd and even field memories 510 and 520, and the odd and even control unit controls the vertical read / write control unit 530. Line memory 540, in which outputs from field memories 510, 520 are stored, is coupled to the odd and even field memories 510, 520.

In addition, the line memory 540 includes a horizontal read / write control unit 550 for controlling the output of the line memory 540 and horizontal and vertical zoom processing units for horizontal and vertical zooming of the output of the line memory 540. 560 and 570 are connected.

The horizontal and vertical zoom coefficient generators 580 and 590 which generate horizontal and vertical zoom coefficients so that the horizontal and vertical zoom processing units 560 and 570 generate zoom data, the horizontal and vertical zoom coefficients may be used. It is connected to the processing unit 560, 570 and the vertical and horizontal lead / light control unit 530, 550, and the vertical zoom processing unit 570 converts the output of the vertical zoom processing unit 570 into an analog signal. Digital analog converter (DAC1) is connected and configured.

FIG. 8 is a detailed block diagram of the vertical and horizontal read / write controllers. The D flip-flop DFF1 outputs the start point address according to the start point latch clock CLK1 of the recall to be edited, and an address entry different in magnification. A presettable counter 531 outputs the output of the D flip-flop DFF1 according to the clock CLK2.

FIG. 9 is a detailed block diagram of the horizontal and vertical zoom coefficient generators. The flip-flop DFF2 outputs a magnification coefficient input from the microcomputer 10 according to the latch clock CLK3. The D flip-flop DFF3 outputting the input according to the clock CLK4, and the outputs of the D flip-flop DFF2 and DFF3 are added and output as a zoom factor, and Carry is the magnification of FIG. And an adder ADD! Outputting to the address increment clock CLK2 according to the present invention.

According to the present invention configured as described above, the functions of the A / V input / output switching means 300 and 400 and the zoom means 500 for the zoom processing are slightly changed in the function of the switching unit 9 in the related art as shown in FIG. Since this is added, only this will be described with reference to FIG.

First, if the recall as shown in Fig. 3A is from t1 to t2, the editing start time is set to t3 and the editing end time is set to t4 (step S1). Herein, the editing start time and the editing end time are set in a still state.

Then, the magnification and zoom area are set until the screen becomes the screen of FIG. 3 (b) (step S2). If the screen is set in a good state according to the step S2, the processing loop is executed by performing the processing loop. It ends when the end time set in S1) is reached (steps S3, S4).

Meanwhile, referring to the zooming process in the step S4, first, the vertical and horizontal read / write of FIG. 7 is performed by the start point addresser of FIG. 8 and the magnification coefficient of FIG. 9 determined in the steps S1 and S2. The controllers 530 and 550 and the horizontal and vertical zoom factor generators 580 and 590 are driven. Here, the magnification coefficient is determined under the control of the microcomputer 10.

The odd and even field memories 510, 520, and line memories 240 are selected by the A / V input switching means 300 according to the driving of the vertical and horizontal read / write controllers 530 and 550. The video signal stored in) is output.

The video signal is horizontally zoomed by the horizontal zoom processor 560 and then input to the vertical zoom processor 570 to vertically zoom. At this time, the zoom processing of the horizontal and vertical zoom processing unit 560, 570 is based on the horizontal and vertical zoom coefficient generating unit 580, 590 horizontal and vertical zoom coefficient, which will be described in more detail as follows. .

First, the generation of the zoom coefficients of the horizontal and vertical zoom factor generators 580 and 590 is determined according to the magnification factor and the input clock CLK4. In the case of the horizontal zoom, the clock CLK4 becomes the system clock. In the case of the vertical zoom, it is a horizontal sync signal llsync.

The outputs of the D flip-flops DFF2 and DFF3 according to the magnification coefficient and the clock CLK4 are added by the adder ADD1, and the result of the addition is output as a zoom factor value. The carry output of the adder ADD1 is The read address generation clocks of the field memories 510 and 520 and the line memory 540 are input to the address increment clock CLK2 according to the magnification of FIG. 8.

When the start point address and the start point latch clock CLK1 of FIG. 8 are horizontal zoom, the horizontal start point set in the first step S2 of FIG. 10 becomes an address, and the start point latch clock CLK1 is vertically synchronized. This becomes the signal Vsync, and the D flip-flop DFF1 and the presetable counter 531 are operated by these signals to lead / fight to be used for the absorption and even field memories 510, 520, and the line memory 540. The address is generated.

Therefore, the data read in the above operation (consecutive pixels P0 and P1), the magnification coefficient and the clocks CLK3 and CLK4 are inputted to the D flip-flops DFF2, DFF3 and the adder ADD1. The zoom coefficient is generated (FIG. 9), and the zoom data is generated by the horizontal and vertical zoom processing units 560 and 570 by the generated zoom coefficient.

The zoom data (Interpolation Data) is obtained by the formula (C0 × P + C1 × P) / 2, where C0 and C1 are horizontal and vertical zoom coefficients, and P0 and P1 are continuous pixel values.

Accordingly, the zoom data generated by the horizontal and vertical zoom processing units 560 and 570 are converted into analog signals by the digital analog converter DAC1 and input to the A / V output switching means 400 of FIG. Accordingly, a good image in which unnecessary parts are removed from the output of the A / V output switching means 400, that is, the edited screen as shown in (b) of FIG. 3 is obtained.

On the other hand, the video signal input to the zoom means 500 is the deck A (1) in the video input selector 310 by the input selection control signals (S0, S1) from the microcomputer 10 according to the user's selection Or a video signal selected from the deck B 2 or the video input from an external video input terminal.

In addition, the audio input selector 320 of the A / V input switching unit 300 also has a microcomputer among audio signals from deck A (1) or deck B (2) or an external audio input terminal, similar to the video input selector 310. The input selection control signals S0 and S1 from (10) select and output either. In this case, since the audio input selector 320 and the video input selector 310 are controlled by the same control signals S0 and S1, when the deck A (1) is selected in the video input selector 310, the audio input selector ( Deck A (1) is also selected.

In addition, the video output selector 410 and the audio output selector 420 of the A / V output switching means 400 are selected from the video signal and the audio input selector 320 which are zoomed and output to the zoom means 500. The audio signal outputted as an input, and either one of deck A (1) or deck B (2) or an external video and audio output terminal by the output selection control signals d0 and d1 from the microcomputer 10; Select to output the input video and audio signal.

As described above, the present invention enables the deletion of unnecessary parts when playing back already recorded video, the desired part of the image can be viewed at a desired size, and real-time editing is possible, so that the photographed data can be efficiently You can edit it.

Claims (14)

Decks A and B (1) and (2) capable of playback and recording; and pre-amps (3) and (4) and Y / C processing unit (5), connected to decks A and B (1) and (2), (6) and audio signal processing units (7) and (8), signal processing units (100) and (200), and the decks A, B (1) and (2), and external audio and video input / output terminals, and A / V input / output switching means 300 and 400 for selecting decks A, B (1) and (2) and audio and video signals from external audio and video input / output terminals, and the A / V input / output switching means ( A zoom means 500 connected to 300 and 400 and zooming an area selected by a user at an arbitrary magnification, and the decks A, B (1), (2) and A / V I / O switching. Connected to the means 300, 400 and the zoom means 500, the deck A, B (1), (2) and the A / V I / O switching means 300, 400 and the zoom means 500 An image editing apparatus, characterized by comprising a microcomputer (10) for controlling. The apparatus of claim 1, wherein the A / V input switching means (300) is connected to the decks (A), (B), (2) and external from the microcomputer (10) according to input selection control signals (S0), (S1). And a video and audio input selector (310) or (320) for selecting a video and an audio signal from audio and video input terminals. 3. An image editing apparatus according to claim 2, wherein the video and audio input selectors (310, 320) are multiplexers. 2. The A / V output switching means 400 according to claim 1, wherein the A / V output switching means 400 receives the video and audio signals inputted according to the output selection control signals d0 and d1 from the microcomputer 10. And a video and audio output selector (410, 420) for outputting to deck B (2) or an external video and audio output terminal. 5. An image editing apparatus according to claim 4, wherein said video and audio output selectors (410, 420) are demultiplexers. In video equipment, (Iii) an analog digital converter (ADC1) for converting a video signal into a digital signal, (Ii) at least one memory 510, 520 for temporarily storing a signal converted from the analog digital converter ADC1 into a digital signal, (I) a vertical read / write control unit 530 connected to the memory 510 and 520 and controlling output of data stored in the memory 510 and 520 according to an input start point address; (I) a line memory 540 connected to the memories 510 and 520 and temporarily storing outputs of the memories 510 and 520, A horizontal read / write control unit 550 connected to the line memory 540 and controlling output of data stored in the line memory 540 according to an input start point address, and the horizontal and vertical read / write control units 550. And horizontal and vertical zoom coefficient generators 580 and 590 connected to the 530 and 530 and generating horizontal and vertical zoom coefficients according to the input magnification coefficients, and the line memory 540 and horizontal zoom coefficient generators. A horizontal zoom processing unit 560 connected to the 580 and horizontally zooming data output from the line memory 540 according to the horizontal zoom coefficient generating unit 580. 560 and a vertical zoom factor generator 590, which vertically zooms data from the horizontal zoom processor 560 according to the vertical zoom factor from the vertical zoom factor generator 590. And the vertical zoom processing unit. And a digital analog converter (DAC1) for converting the output of the vertical zoom processing unit (570) into an analog signal. The vertical and horizontal read / write controllers 530 and 550 may include a D flip-flop DFF1 for outputting a start point address input according to an input start point latch clock CLK1, and a magnification. And a presetable counter (531) for outputting the output of the D flip-flop (DFF1) according to the address increment clock (CLK2) according to the present invention. 8. The image editing apparatus according to claim 7, wherein the start point latch clock (CLK1) is a horizontal synchronization signal when the horizontal zoom clock is in the horizontal zoom mode. 8. The image editing apparatus according to claim 7, wherein the start point latch clock (CLK1) is a vertical synchronization signal in the case of vertical zoom. 8. The image editing apparatus according to claim 7, wherein the start point address is a horizontal start point value of an edit start point when the horizontal zoom is performed. 8. The image editing apparatus according to claim 7, wherein the start point address is a vertical start point value of an edit start point when the vertical zoom is performed. The horizontal and vertical zoom coefficient generators 580 and 590 include a D flip-flop DFF2 for outputting a magnification coefficient according to the latch clock CLK3 to be inputted, and a clock to be inputted thereto. D flip-flop (DFF3) for outputting data input according to CLK4), and adder (ADD1) for outputting the zoom factor and carry by adding the output of the D flip-flop (DFF2), (DFF3) An image editing apparatus. 13. The image editing apparatus according to claim 12, wherein the clock (CLK4) is a system clock in the horizontal zoom mode. 13. The image editing apparatus according to claim 12, wherein the clock (CLK4) is a horizontal synchronous signal in the case of vertical zoom.