JP4465871B2 - Image processing apparatus and method, and recording medium - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an image processing apparatus and method, and a recording medium, and more particularly, to an image processing apparatus and method, and a recording medium that are suitable for use when combining a plurality of videos according to a key source signal.
[0002]
[Prior art]
A keying synthesis process using a key source signal is known as a technique for synthesizing a plurality of videos.
[0003]
At least three types of video signals, a background video signal, a key source signal (also referred to as a keying signal), and a key fill signal (hereinafter also referred to as a foreground video) are supplied to a device that performs keying synthesis processing. Is done.
[0004]
For example, the keying synthesis process may be performed in a region designated based on the key source signal shown in FIG. 1B in the entire background video region shown in FIG. This is a special effect technique for generating a composite image as shown in FIG.
[0005]
As is clear from FIG. 1, the entire area of the synthesized video obtained by the keying synthesis process is an area where the signal level of the key source signal is equal to or lower than a predetermined threshold (area occupied by the oblique lines in FIG. 1B). A background video is used for the corresponding region, and a foreground video is used for a region corresponding to a region where the signal level of the key source signal is higher than a predetermined threshold (a white region in FIG. 1B).
[0006]
Note that the background video signal, key source signal, and key fill signal are video signals of the same format, and the video signal of the same format can be used for any purpose of the background video signal, key source signal, or key fill signal. Is possible.
[0007]
By the way, the present applicant has already been able to input a plurality of key source signals and a plurality of key fill signals as a technique related to keying synthesis processing, and a user who selects one key fill signal from a plurality of key fill signals. Japanese Patent Application Laid-Open No. 11-27576 (hereinafter, referred to as Japanese Patent Application Laid-Open No. 11-27576) which can automatically select and use an optimal key source signal preset from a plurality of key source signals following the operation. It has been proposed as a prior application).
[0008]
According to the apparatus described in the prior application, for example, when the user selects the key fill signal shown in FIG. 2E as the foreground video to be combined with the background video shown in FIG. The key source signal shown is automatically selected, and a synthesized video as shown in FIG. 2 (H) can be obtained.
[0009]
[Problems to be solved by the invention]
However, in the device described in the prior application, the combination of the key source signals corresponding to one key fill signal is limited to one type, and a plurality of combinations in which a plurality of different key source signals are respectively associated with the same key fill signal. There was a problem that could not be set.
[0010]
For example, when generating a composite video as shown in FIG. 2 (J), the user shows a background video shown in FIG. 2 (A), a key source signal shown in FIG. 2 (C), and a video shown in FIG. 2 (E). There is a problem that it is necessary to select each foreground video (or the foreground video shown in FIG. 2F), and it is impossible to quickly generate a composite video.
[0011]
Further, for example, when the background video shown in FIG. 2A and the foreground video shown in FIG. 2G are combined to generate the composite video shown in FIG. 2K or the composite video shown in FIG. The user has to select the key source signal shown in FIG. 2B or the key source signal shown in FIG. 2D each time, and there is a problem that the synthesized video cannot be generated promptly. .
[0012]
Furthermore, in the apparatus described in the prior application, it is possible to automatically select a video signal to be used from among a plurality of input video signals. However, a user is separately used to control the process of combining the selected video signals. Therefore, there is a problem that a situation in which an unintended composite video is generated in a process in which the user performs a plurality of operations may occur.
[0013]
The present invention has been made in view of such a situation, and the number of combinations of key fill signals and key source signals that are automatically set in response to a user's selection is increased, and the selection can be easily performed. It is intended to be able to execute with.
[0014]
[Means for Solving the Problems]
An image processing apparatus according to the present invention includes: an input unit that inputs a first video signal; a supply unit that supplies a plurality of video signals; and a second video signal that is supplied from the plurality of video signals supplied by the supply unit. First selection means for selecting as a video signal, second selection means for selecting one video signal as a key source signal among a plurality of video signals supplied by the supply means, and among all regions of the background video Combining a first video signal and a second video signal to generate a synthesized video signal so that a region designated based on the key source signal is replaced with a foreground video; The index corresponding to the button number is received by referring to the first correspondence table that stores the correspondence between the button number and the index number, and the button number generating means for receiving and generating the button number corresponding to the user's operation. The first and second supply corresponding to the index number with reference to the second correspondence table storing the index number generating means for generating the number and the correspondence between the index number and the first and second supply information It includes an acquisition means for acquiring information, and a selection control means for controlling the first selection means according to the first supply information and for controlling the second selection means according to the second supply information.
[0015]
The acquisition means can also acquire a keying attribute corresponding to the index number by referring to a third correspondence table storing a correspondence between the index number and the keying attribute, and the control means can acquire the keying attribute. Accordingly, the synthesis means can also be controlled.
[0016]
The image processing apparatus of the present invention may further include third selection means for selecting one video signal as the first video signal among the plurality of video signals supplied by the supply means, and the control means includes The third selection means can also be controlled in accordance with the first supply information.
[0017]
The image processing apparatus according to the present invention includes a first changing unit that changes the association between the button number and the index number stored in the first correspondence table, the index number stored in the second correspondence table, the first and first 2nd change means which changes matching with supply information of 2 can be further included.
[0018]
The image processing method of the present invention includes an input step for inputting a first video signal, a supply step for supplying a plurality of video signals, and one video signal among a plurality of video signals supplied in the processing of the supply step. A second selection step of selecting one video signal as a key source signal from among the plurality of video signals supplied in the processing of the supply step; A synthesizing step of synthesizing the first video signal and the second video signal to generate a synthesized video signal so that an area designated based on the key source signal is replaced with the foreground video among all the areas of the video. A button number generation step for receiving a user operation and generating a button number corresponding to the user operation, and a first correspondence table for storing a correspondence between the button number and the index number. The index number generation step for generating the index number corresponding to the button number, and the second correspondence table for storing the correspondence between the index number and the first and second supply information, An acquisition step for acquiring the first and second supply information corresponding to the index number, a process of the first selection step according to the first supply information, and a process of the second selection step according to the second supply information And a selection control step for controlling.
[0019]
The storage medium program of the present invention includes an input step for inputting a first video signal, a supply step for supplying a plurality of video signals, and one video among a plurality of video signals supplied in the processing of the supply step. A first selection step of selecting a signal as a second video signal; a second selection step of selecting one video signal as a key source signal from among the plurality of video signals supplied in the processing of the supply step; Combining the first video signal and the second video signal to generate a composite video signal so that the area specified based on the key source signal in the entire background video area is replaced with the foreground video A first step of receiving a step, a button number generation step for receiving a user operation and generating a button number corresponding to the user operation, and a correspondence between the button number and the index number; Referring to the correspondence table, refer to the index number generation step for generating the index number corresponding to the button number, and the second correspondence table for storing the correspondence between the index number and the first and second supply information. The acquisition step of acquiring the first and second supply information corresponding to the index number, the processing of the first selection step is controlled according to the first supply information, and the second selection step is controlled according to the second supply information. And a selection control step for controlling the processing.
[0020]
In the image processing apparatus and method and the storage medium program of the present invention, a first video signal is input and a plurality of video signals are supplied. One video signal is selected as the second video signal among the plurality of supplied video signals, and one video signal is selected as the key source signal among the plurality of supplied video signals. Furthermore, the first video signal and the second video signal are synthesized to generate a synthesized video signal so that the area specified based on the key source signal in the entire area of the background video is replaced with the foreground video. Is done. Further, the user's operation is accepted and a corresponding button number is generated, the first correspondence table is referred to, an index number corresponding to the button number is generated, and the second correspondence table is referenced to correspond to the index number. The first supply information and the second supply information to be acquired are acquired, the first selection process is controlled according to the first supply information, and the second selection process is controlled according to the second supply information.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 3 shows a first configuration example of a video composition apparatus to which the present invention is applied. This video synthesizing device 10 is switched according to the control from the input lines L1 to L9 and the control unit 18 to which video signals to be key source signals or keyfill signals are input, and among the video signals input to the input lines L1 to L9. Are switched in accordance with the control from the key source signal selection input bus 11 and the control unit 18 for supplying one of the video signals to the synthesis processing unit 14, and one of the video signals input to the input lines L1 to L9 is synthesized and processed. The key fill signal selection input bus 12 supplied to the unit 14, the background video signal input bus 13 that supplies the input background video signal to the synthesis processing unit 14, and the key source signal selection input bus in accordance with the control from the control unit 18. 11 is used as a key source signal, and the video signal supplied from the key fill signal selection input bus 12 is used. Composed from combining processing unit 14 to generate a combined image as a fill signal.
[0022]
The video composition device 10 includes a plurality of buttons that accept a user operation for selecting a combination of a key source signal and a key fill signal, and notifies the selection input unit 16 of a button number indicating the pressed button. Then, the built-in button correspondence table 17 is referred to, the index input corresponding to the button number from the key button row 15 is acquired, and the selection input unit 16 that notifies the control unit 18 and the drive 20 are controlled to control the magnetic disk 21. The control unit 18 is configured to read a control program stored in the optical disk 22, the magneto-optical disk 23, or the semiconductor memory 24, and to control the entire video composition device 10 based on the control program or the like.
[0023]
For example, the control unit 18 refers to the built-in input combination table 19 to obtain an input line number corresponding to the index number notified from the selection input unit 16, and based on the input line number, the key source signal selection input bus 11 And controls the switching of the key fill signal selection input bus 12.
[0024]
The number of buttons constituting the key button row 15 is not limited to 11 as shown in FIG. 3, and the key button row 15 may be constituted by a larger number of buttons. On the contrary, the key button row 15 may be configured by a smaller number of buttons.
[0025]
Further, a plurality of sets of the key button row 15 and the selection input unit 16 may be provided.
[0026]
FIG. 4 shows an example of the button correspondence table 17 built in the selection input unit 16. In the button correspondence table 17, an index number corresponding to the button number notified from the key button row 15 is recorded. For example, an index number “4” is recorded in association with the button number “4”, and an index number “11” is recorded in association with the button number “5”.
[0027]
FIG. 5 shows an example of the input combination table 19 built in the control unit 18. In the input combination table 19, the first and second input line numbers corresponding to the index numbers notified from the selection input unit 16 are recorded. For example, the first input line number “L5” and the second input line number “L5” are recorded in association with the index number “5”, and the first input line number “L5” is recorded in the index number “6”. The line number “L1” and the second input line number “L6” are recorded in association with each other.
[0028]
The first input line number is information for switching the key fill signal selection input bus 12, and the second input line number is information for switching the key source signal selection input bus 11.
[0029]
In the example of FIG. 5, the first input line number corresponding to the index number “1” and the first input line number corresponding to the index number “6” are the same “L1”, but the second input Each line number is different. As described above, in the input combination table 19 of the video composition device 10, a plurality of combinations in which different key source signals are associated with the same key fill signal are prepared and selected by operating the key button row 15. Is possible.
[0030]
The second input line number corresponding to the index number “8” and the second input line number corresponding to the index number “9” are the same “L8”, but the first input line number is Is different. In this way, a plurality of combinations in which different key fill signals are associated with the same key source signal are also prepared.
[0031]
Next, the operation of the video composition device 10 will be described with reference to the flowchart of FIG. It is assumed that a video signal to be a key source signal or a key fill signal is supplied to the input lines L1 to L9, and a background video signal is supplied to the background video signal input bus 13.
[0032]
In step S <b> 1, the selection input unit 16 determines whether any button in the key button row 15 has been pressed based on the presence / absence of a button number notification from the key button row 15. Wait until it is determined that it has been done. If it is determined that any button has been pressed, the process proceeds to step S2.
[0033]
For example, the following explanation will be continued assuming that the button number “5” in the key button row 15 is pressed and the button number “5” is notified from the key button row 15 to the selection input unit 16.
[0034]
In step S <b> 2, the selection input unit 16 refers to the built-in button correspondence table 17, acquires the index number “11” corresponding to the button number “5” notified from the key button row 15, and acquires the acquired index number “ 11 ”to the control unit 18.
[0035]
In step S <b> 3, the control unit 18 refers to the built-in input combination table 19 and acquires the first and second input line numbers corresponding to the index number “11” notified from the selection input unit 16. In this case, “L5” is acquired as the first input line number, and “L9” is acquired as the second input line number.
[0036]
In step S4, the control unit 18 switches the key fill signal selection input bus 12 based on the first input line number acquired in step S3, and switches the key source signal selection input bus 11 based on the second input line number. Switch.
[0037]
As a result, the video signal supplied from the key source signal selection input bus 11 to the synthesis processing unit 14 is switched to the video signal input to the input line L9, and the synthesis processing unit from the key fill signal selection input bus 12 is switched. The video signal supplied to 14 is switched to the video signal input to the input line L5.
[0038]
In step S5, the composition processing unit 14 uses the video signal supplied from the key source signal selection input bus 11 as a key source signal and the video signal supplied from the key fill signal selection input bus 12 as a key fill signal. Based on the above, the key fill signal is synthesized with the video signal input from the background video signal input bus 13 to generate a synthesized video, and the synthesized video is output from the output line to a subsequent display or the like (not shown). The process returns to step S1, and the subsequent processes are repeated.
[0039]
Note that the switching of the key source signal selection input bus 11 and the switching of the key fill signal selection input bus 12 in step S4 are executed during the vertical blanking period of the video signal. By controlling in such a manner, it is possible to generate an undisturbed composite image without mixing two different input images with one field image.
[0040]
Incidentally, the index number indicates a combination of the first line number and the second line number, and the number of the combinations is much larger than the number of buttons arranged in the key button row 15. Therefore, when a plurality of sets of the key button row 15 and the selection input unit 16 are provided, the plurality of selection input units 16 are provided with the button correspondence tables 17 having different contents. By doing so, the user can select a combination of the key source signal and the key fill signal from a larger number of options.
[0041]
As described above, according to the video composition device 10, the user can select a combination of the key fill signal and the key source signal by pressing one key button once. At this time, there are no restrictions on the combinations that can be selected. For example, a plurality of different key source signals can be combined with the same key fill signal.
[0042]
Next, FIG. 7 shows a second configuration example of the video composition apparatus to which the present invention is applied. The video composition device 30 is obtained by further incorporating a keying attribute storage unit 31 in the control unit 18 of the video composition device 10 shown in FIG. 3, and other components are the components of the video composition device 10. And are denoted by the same reference numerals, and a description thereof will be omitted.
[0043]
As shown in FIG. 8, the keying attribute storage unit 31 built in the control unit 18 stores the values of keying attributes (keying density, keying discrimination value, boundary line type, etc.) set corresponding to each index number. To do.
[0044]
The keying density included in the keying attribute is a value indicating the ratio of the density of the foreground video (key fill signal) to the background video.
[0045]
This will be specifically described with reference to FIG. For example, a background video signal as shown in FIG. 10A, a key source signal as shown in FIG. 10B, and a key fill signal as shown in FIG. When the keying density is 100%, the area specified by the key source signal is composed only of the foreground video, and a composite video as shown in FIG. When the keying density is 50%, the area specified by the key source signal is configured by mixing 50% of the background video and the foreground video, and a composite video as shown in FIG. .
[0046]
The keying determination value included in the keying attribute is a value that specifies a threshold value of the video signal that is used as the key source signal. For example, when the keying discriminating value is 50%, an intermediate value between the minimum value and the maximum value of the signal level of the video signal used as the key source signal is set as the threshold value.
[0047]
The boundary line type included in the keying attribute is a value indicating whether or not to draw a line along the boundary between the foreground video and the background video on the screen and indicating the type of the line when the line is drawn. For example, when the boundary line type is 0, the boundary line is not drawn. When the boundary line type is 1, a simple solid line is drawn as the boundary line. When the boundary line type is 2, a trajectory in which the boundary is moved in one direction is drawn. When the boundary line type is 3, the shadow of the foreground video is drawn.
[0048]
Note that the keying attribute relates to keying composition processing such as keying density, keying discriminating value, boundary line type, key source signal position adjustment (offset), boundary blurring setting (%), and detailed settings related to the boundary line. Various values can be included.
[0049]
FIG. 10 is an example of the input combination table 19 in the video composition device 30. In the input combination table 19 shown in FIG. 10, for example, the index number “7” is associated with the combination of the first input line number “L2” and the second input line number “L7”, and the index number “12”. In addition, as the combination of the first input line number “L2” and the second input line number “L7” is associated with each other, the first input line number and the second input line respectively corresponding to different index numbers The combination of input line numbers may be the same.
[0050]
Even in such a case, the keying attribute corresponding to the index number “7” stored in the keying attribute storage unit 31 and the keying attribute corresponding to the index number “12” can be set differently.
[0051]
Accordingly, by appropriately setting the storage contents of the input combination table 19 and the keying attribute storage unit 31, the key source signal, the key fill signal, and part or all of the keying attributes are appropriately selected from the set combinations. It is possible to select and change.
[0052]
Next, the operation of the video composition device 30 will be described with reference to the flowchart of FIG. It is assumed that a video signal to be a key source signal or a key fill signal is supplied to the input lines L1 to L9, and a background video signal is supplied to the background video signal input bus 13.
[0053]
In step S <b> 11, the selection input unit 16 determines whether any button in the key button row 15 is pressed based on the presence / absence of a button number notification from the key button row 15, and any button is pressed. Wait until it is determined that it has been done. If it is determined that any button has been pressed, the process proceeds to step S12.
[0054]
For example, the following explanation is continued assuming that the button number “4” in the key button row 15 is pressed and the button number “4” is notified from the key button row 15 to the selection input unit 16.
[0055]
In step S12, the selection input unit 16 refers to the built-in button correspondence table 17 (FIG. 4), acquires the index number “4” corresponding to the button number “4” notified from the key button row 15, and acquires the index number “4”. The control unit 18 is notified of the index number “4”.
[0056]
In step S <b> 13, the control unit 18 refers to the built-in input combination table 19 (FIG. 9), and acquires the first and second input line numbers corresponding to the index number “4” notified from the selection input unit 16. To do. In this case, the first input line number “L4” and the second input line number “L4” are acquired.
[0057]
In step S14, the control unit 18 switches the key fill signal selection input bus 12 based on the first input line number acquired in step S13, and switches the key source signal selection input bus 11 based on the second input line number. Switch. Note that the switching of the key source signal selection input bus 11 and the key fill signal selection input bus 12 is executed during the vertical blanking period of the video signal.
[0058]
As a result, the video signal supplied from the key source signal selection input bus 11 to the synthesis processing unit 14 is switched to the video signal input to the input line L4, and the synthesis processing unit from the key fill signal selection input bus 12 is switched. The video signal supplied to 14 is also switched to the video signal input to the input line L4.
[0059]
In step S15, the control unit 18 refers to the built-in keying attribute storage unit 31 (FIG. 8), acquires each value of the keying attribute corresponding to the index number “4” notified from the selection input unit 16, and synthesizes it. The processing unit 14 is notified. In this case, the keying density “60%”, the keying discrimination value “50%”, and the boundary line type “1” are acquired and notified.
[0060]
In step S16, the composition processing unit 14 uses the video signal supplied from the key source signal selection input bus 11 as a key source signal and the video signal supplied from the key fill signal selection input bus 12 as a key fill signal. Based on the value of the keying attribute, the key fill signal is synthesized with the video signal supplied from the background video signal input bus 13 to generate a synthesized video, which is output from the output line to a subsequent display or the like. The process returns to step S11, and the subsequent processes are repeated.
[0061]
Each value of the keying attribute stored in the keying attribute storage unit 31 can be arbitrarily changed by the user. Further, the value of the keying attribute adjusted in real time by the user who monitors the composite video to be output may be automatically stored corresponding to each index number. In this way, the user operability for video composition is improved.
[0062]
As described above, according to the video composition device 30, when the user presses one button only once, selection of the key fill signal, selection of the key source signal, and application of the keying attribute are simultaneously controlled. Note that only the keying attribute can be changed without changing the key fill signal and the key source signal by the button operation, so that the operability for the user is improved.
[0063]
Next, FIG. 12 shows a third configuration example of the video composition apparatus to which the present invention is applied. This video composition device 40 is switched in accordance with the control from the input lines L1 to L9 and the control unit 55 to which the video signal to be the background video signal, the key source signal or the key fill signal is input, and is input to the input lines L1 to L9. Of the video signals input to the input lines L1 to L9 by switching according to the control from the key source signal selection input bus 41 and the control unit 55 for supplying one of the video signals to the first synthesis processing unit 47. Are switched in accordance with the control from the control unit 55 and the key fill signal selection input bus 42 for supplying one of the video signals to the first synthesis processing unit 47, and one of the video signals input to the input lines L1 to L9. The background video signal selection input bus 43 is supplied to the first synthesis processing unit 47.
[0064]
Further, the video composition device 40 switches according to the control from the control unit 55, and among the video signals input to the input lines L1 to L10 including the input line L10 corresponding to the output of the first composition processing unit 47. One of the video signals input to the input lines L1 to L10 is switched to the second one of the video signals input to the input lines L1 to L10. The key fill signal selection input bus 45 to be supplied to the synthesis processing unit 48 and switching according to the control from the control unit 55, and one of the video signals input to the input lines L1 to L10 is switched to the second synthesis processing unit. The background video signal selection input bus 46 is supplied to 48.
[0065]
Furthermore, the video composition device 40 uses the video signal input from the key source signal selection input bus 41 as a key source signal according to the information notified from the control unit 55, and receives the video signal supplied from the key fill signal selection input bus 42. It is notified from the control unit 55 and the first synthesis processing unit 47 that generates a synthesized video using the video signal supplied from the background video signal selection input bus 43 as the background video signal as the key fill signal and outputs it to the input line L10. The video signal input from the key source signal selection input bus 44 is used as a key source signal, the video signal supplied from the key fill signal selection input bus 45 is used as a key fill signal, and is supplied from the background video signal selection input bus 46. The second composition processing unit 48 generates a composite image using a video signal as a background video signal. The first composition processing unit 47 can also output the generated composite image to the outside of the apparatus.
[0066]
Further, the video composition device 40 includes a plurality of buttons that accept user operations, and selects and inputs button row information for specifying a button row in which the pressed button is arranged and a button number indicating the number of the pressed button. 53 corresponds to the button number notified from the first key button column 49 to the second background button column 52 with reference to the built-in button correspondence table 54. A selection input unit 53 that acquires the index number and notifies the control unit 55, and a control program stored in the magnetic disk 21, the optical disk 22, the magneto-optical disk 23, or the semiconductor memory 24 by controlling the drive 20 The control unit 55 is configured to read and control the entire video composition device 40 based on a control program or the like.
[0067]
The first key button row 49 includes an input line that supplies a video signal that is used as a key source signal by the key source signal selection input bus 41 to the first synthesis processing unit 47, and a key fill signal selection input bus 42 as a key fill signal. This is operated when a combination with an input line that supplies a video signal to be supplied to the first synthesis processing unit 47 is selected. The first background button row 50 is operated when the background video signal selection input bus 43 selects an input line for supplying a video signal to be a background video signal to the first synthesis processing unit 47. The first key button row 49 and the first background button row 50 are arranged in parallel, and the same button number is assigned to the key button and the background button that are adjacent vertically in each button row.
[0068]
The second key button row 51 includes an input line for supplying a video signal for which the key source signal selection input bus 44 is a key source signal to the second synthesis processing unit 48, and a key fill signal selection input bus 45 is a key fill signal. It is operated when selecting a combination with an input line that supplies a video signal to be supplied to the second synthesis processing unit 48. The second background button row 52 is operated when the background video signal selection input bus 46 selects an input line for supplying a video signal to be a background video signal to the second synthesis processing unit 48. The second key button row 51 and the second background button row 52 are arranged in parallel, and the same button number is assigned to the key button and the background button that are adjacent vertically in each button row.
[0069]
It should be noted that the number of buttons constituting each of the first key button row 49 to the second background button row 52 is not limited to 11 as shown in FIG. 12, but is constituted by a larger number of buttons. Alternatively, it may be configured with a smaller number of buttons.
[0070]
The control unit 55 refers to the built-in input combination table 56 to acquire an input line number corresponding to the index number notified from the selection input unit 53, and based on the input line number, the key source signal selection input bus 41 to the background The switching of the video signal selection input bus 46 is controlled. Further, the control unit 55 refers to the built-in keying attribute storage unit 57 to obtain the keying attribute value corresponding to the index number, and further refers to the built-in video correction value storage unit 58 to correspond to the index number. Image correction values (described later) are acquired, and these values are notified to the first synthesis processing unit 47 and the second synthesis processing unit 48.
[0071]
FIG. 13 shows an example of the button correspondence table 54 built in the selection input unit 53. The button correspondence table 54 includes a first table in which an index number corresponding to the button number notified from the first key button row 49 or the first background button row 50 is recorded, and the second key button row 51 or the second background. It consists of a second table in which index numbers corresponding to button numbers notified from the button row 52 are recorded. For example, the button number “5” is stored in association with the index number “11” in the first table, and the index number “21” is stored in the second table.
[0072]
FIG. 14 shows an example of the input combination table 56 built in the control unit 55. In the input combination table 56, first and second input line numbers corresponding to the index numbers notified from the selection input unit 53 are recorded. For example, the first input line number “L2” and the second input line number “L8” are recorded in association with the index number “8”, and the first input line number “L8” is recorded in the index number “51”. The line number “L10” and the second input line number “L7” are recorded in association with each other.
[0073]
Similarly to the keying attribute storage unit 31 (FIG. 7) described above, the keying attribute storage unit 57 built in the control unit 55 stores a keying attribute (keying) set in advance corresponding to each index number as shown in FIG. Values of density, keying discrimination value, boundary line type, etc.) are stored.
[0074]
The video correction value storage unit 58 built in the control unit 55 stores video correction values (black balance adjustment value, white balance adjustment value, and gamma correction value) set in advance corresponding to each index number.
[0075]
As the black balance adjustment value of the video correction value, a setting value of an output level (for example, a value of −100% to 100%) for an input of 0% level is stored for each RGB component of the video. As white balance adjustment values, output level setting values (for example, values of 0% to 200%) for 100% level input are stored for each RGB component of the video. As the gamma correction value, an offset setting value (for example, a value of −100% to 100%) for the luminance signal is stored for each RGB component of the video.
[0076]
The video signal correction value storage unit 58 may store parameters other than the black balance adjustment value, the white balance adjustment value, and the gamma correction value as the video correction value.
[0077]
Next, the operation of the video composition device 40 will be described with reference to the flowchart of FIG. The input lines L1 to L9 are supplied with a video signal that becomes a background video signal, a key source signal, or a key fill signal. The first synthesis processing unit 47 and the second synthesis processing unit 48 are respectively It is assumed that a composite image is generated using the input video signal and is output to the subsequent stage.
[0078]
In step S <b> 21, the selection input unit 53 selects one of the first key button row 49 to the second background button row 52 based on the presence / absence of notification of button information from the first key button row 49 to the second background button row 52. It is determined whether or not any of the buttons is pressed, and waits until it is determined that any of the buttons is pressed. If it is determined that any button has been pressed, the process proceeds to step S22.
[0079]
For example, when the “11” button in the second key button row 51 is pressed, button row information indicating the second key button row 51 and the button number “ The subsequent description will be continued on the assumption that “11” has been notified.
[0080]
In step S22, the selection input unit 53 refers to the built-in button correspondence table 54 shown in FIG. 13, and the button row information notified from the first key button row 49 to the second background button row 52 and the index for the button number. The number is acquired and output to the control unit 55 together with the button string information.
[0081]
In this case, the second table of the button correspondence table 54 is referred to, the index number “51” corresponding to the button number “11” is acquired, and the button row information indicating the second key button row 51 is stored in the control unit 55. Be notified.
[0082]
In step S <b> 23, the control unit 23 switches the background video based on whether the operated button row information notified from the selection input unit 53 indicates the first background button row 50 or the second background button row 52. It is determined whether or not an instruction has been given. If the button row information is neither information indicating the first background button row 50 or the second background button row 52, it is determined that switching of the background video is not instructed, and the process proceeds to step S24. On the other hand, if the button row information indicates the first background button row 50 or the second background button row 52, it is determined that background video switching has been instructed, and the process proceeds to step S28.
[0083]
In this case, since the button row information indicates the second key button row 51, it is determined that switching of the background video is not instructed, and the process proceeds to step S24.
[0084]
In step S <b> 24, the control unit 55 refers to the built-in input combination table 56 illustrated in FIG. 14 and acquires the first and second input line numbers corresponding to the index number notified from the selection input unit 53. In this case, “L10” is acquired as the first input line number corresponding to the index number “51”, and “L7” is acquired as the second input line number.
[0085]
In step S25, the control unit 55 determines the key source signal selection input bus 41, the key fill signal selection input bus 42, the key source signal selection input bus 44, based on the button string information and the first and second input line numbers. The key fill signal selection input bus 45 is switched appropriately. Thereby, in this case, the video signal supplied from the key fill signal selection input bus 45 to the second synthesis processing unit 48 is changed to the video signal input to the input line L10 (the output of the first synthesis processing unit 47). ), And the video signal supplied from the key source signal selection input bus 44 to the second synthesis processing unit 48 is switched to the video signal input to the input line L7.
[0086]
In step S <b> 26, the control unit 55 refers to the built-in keying attribute storage unit 57, acquires each value of the keying attribute corresponding to the index number notified from the selection input unit 53, and the first composition processing unit 47. Alternatively, the second composite processing unit 48 is notified. In this case, each value of the keying attribute corresponding to the index number “51” is acquired and notified to the second synthesis processing unit 48.
[0087]
In step S27, the first synthesis processing unit 47 uses the video signal supplied from the key source signal selection input bus 41 as a key source signal and the video signal supplied from the key fill signal selection input bus 42 as a key fill signal. Based on the source signal, the key fill signal is synthesized with the video signal inputted from the background video signal selection input bus 43 to generate a synthesized video, and the synthesized video is outputted from the output line to the input line 10.
[0088]
On the other hand, the second synthesis processing unit 48 uses the video signal supplied from the key source signal selection input bus 44 as a key source signal and the video signal supplied from the key fill signal selection input bus 45 as a key fill signal. In accordance with the keying attribute notified from the key source signal, the key fill signal is synthesized with the video signal input from the background video signal selection input bus 46 based on the key source signal, and the synthesized video is generated and output from the output line to the subsequent display, etc. To do. The process returns to step S21, and the subsequent processes are repeated.
[0089]
For example, in step S21, the button “1” in the first background button row 50 is pressed, and button row information indicating the first background button row 50 and the button are input from the first background button row 50 to the selection input unit 16. The following description will be continued on the assumption that the number “1” has been notified.
[0090]
In step S22, in this case, the first table of the button correspondence table 54 is referred to, the index number “1” corresponding to the button number “1” is acquired, and the button row information indicating the first background button row 50 is obtained. At the same time, the control unit 55 is notified.
[0091]
In step S23, in this case, since the button row information indicates the first background button row 50, it is determined that switching of the background video is instructed, and the process proceeds to step S28.
[0092]
In step S <b> 28, the control unit 55 refers to the built-in input combination table 56 shown in FIG. 14 and acquires the first input line number corresponding to the index number notified from the selection input unit 53. In this case, “L1” is acquired as the first input line number corresponding to the index number “1”.
[0093]
In step S29, the control unit 55 switches the background video signal selection input bus 43 or the background video signal selection input bus 46 based on the button string information and the first input line number. Thereby, in this case, the video signal supplied from the background video signal selection input bus 43 to the first composition processing unit 47 is switched to the video signal input to the input line L1.
[0094]
In step S <b> 26, the control unit 55 refers to the built-in video correction value storage unit 58, acquires the video correction value corresponding to the index number notified from the selection input unit 53, and obtains the first composition processing unit 47 or The second composite processing unit 48 is notified. In this case, a video correction value corresponding to the index number “1” is acquired and notified to the first composition processing unit 47.
[0095]
In step S27, the first synthesis processing unit 47 uses the video signal supplied from the key source signal selection input bus 41 as a key source signal and the video signal supplied from the key fill signal selection input bus 42 as a key fill signal. According to the video correction value, based on the key source signal, the key fill signal is synthesized with the video signal input from the background video signal selection input bus 43 to generate a composite video, and is output from the output line to the input line l0.
[0096]
On the other hand, the second synthesis processing unit 48 uses the video signal supplied from the key source signal selection input bus 44 as a key source signal, and uses the video signal supplied from the key fill signal selection input bus 45 as a key fill signal. Based on the above, the key fill signal is synthesized with the video signal input from the background video signal selection input bus 46 to generate a synthesized video, which is output from the output line to a subsequent display or the like.
[0097]
Note that the switching of the key source signal selection input bus 41 to the background video signal selection input bus 46 is executed during the vertical blanking period of the video signal.
[0098]
In the above description, the video correction value is applied only to the background video, but may be applied to the foreground video (key fill signal).
[0099]
Two kinds of foreground images can be combined with the background image by the operation of the image combining device 40 as described above. This will be specifically described with reference to FIG.
[0100]
For example, the video signal shown in FIG. 16B from the key source signal selection input bus 41 and the video signal shown in FIG. However, the button row is operated so that the video signal shown in FIG. 16A is supplied from the background video signal selection input bus 43, and the key source signal selection input bus 44 is sent to the second synthesis processing unit 48. 16E generates the video signal shown in FIG. 16E, the key fill signal selection input bus 45 generates the video signal shown in FIG. 16F, and the background video signal selection input bus 46 generates the first synthesis processing unit 47. When the button row is operated so that the composite video signal shown in FIG. 16D is supplied, the composite video shown in FIG. 16G is output from the second composite processing unit 48.
[0101]
As described above, the control unit 55 of the video composition device 40 operates the first input line number stored in the built-in input combination table 56 by the first key button row 49 or the second key button row 51. When the first background button row 50 or the second background button row 52 is operated, it is used for switching of the background video signal selection input buses 43 and 46. Use.
[0102]
Therefore, the user can use the same video for the key button and the background button that are vertically adjacent to each other in the first key button row 49 and the first background button row 50 and in the second key button row 51 and the second background button row 52. It is possible to recognize that the button is a button for selecting and the only difference between the use of both buttons is whether the same video signal is used as a background video or a foreground video. it can. By arranging the button rows in this way, the user can easily select the foreground video and the background video.
[0103]
The video composition device 40 may be provided with a plurality of sets of the first key button row 49 to the second background button row 52 and the selection input unit 53.
[0104]
If a plurality of sets of the first key button row 49 to the second background button row 52 and the selection input section 53 are provided and arranged in different places, different operators can be operated simultaneously.
[0105]
For example, an apparatus for supplying video output of a video camera installed in a shooting studio to a part of the input lines L1 to L9 and generating video of a subtitle character string installed in another room on other input lines, When supplying video output of an apparatus that generates animation video, a set of a first key button row 49 to a second background button row 52 and a selection input unit 53 is arranged in each of the shooting studio and the other room for selection. If the contents of the button correspondence table 78 built in the input unit 53 are appropriately set, switching can be executed while monitoring the video output of the first synthesis processing unit 47 in the other room. In one shooting studio, switching can be performed while monitoring the video output of the second composite processing unit 48.
[0106]
Further, when a plurality of first key button rows 49 to second background button rows 52 and selection input units 53 are provided, the plurality of selection input units 53 do not need to incorporate the button correspondence table 54, and a plurality of selection inputs are provided. Of the units 53, only one selection input unit 53 may incorporate the button correspondence table 54, and it may be shared by the plurality of selection input units 53. The plurality of selection input units 53 are connected to each other through a LAN or the like.
[0107]
Next, FIG. 17 shows a fourth configuration example of the video composition apparatus to which the present invention is applied. This video synthesizing device 70 is switched in accordance with the control from the input lines L1 to L9 and the control unit 82 to which the video signal to be the background video signal, the key source signal, or the key fill signal is input, and is input to the input lines L1 to L9. One of the video signals input to the input lines L1 to L9 is switched according to the control from the key source signal selection input bus 71 and the control unit 82 for supplying one of the video signals to the synthesis processing unit 75. Are switched in accordance with the control from the key fill signal selection input bus 72 and the control unit 82, and one of the video signals input to the input lines L1 to L9 is combined. 75 comprises a first background video signal selection input bus 73 and a second background video signal selection input bus 74 which are respectively supplied to 75 It is.
[0108]
The video composition device 70 also includes a composition processing processing unit 75 that generates two types of composite images with different background images, a plurality of buttons that accept user operations, and identifies a button row in which the pressed buttons are arranged. A button row 76-1 for notifying the selection input unit 77-1 of the button row information and the button number indicating the number of the pressed button, and a built-in button correspondence table 78-1 (similar to the button correspondence table 17 in FIG. 3) ), A selection input unit 77-1 for obtaining an index number corresponding to the button number notified from the button sequence 76-1 and notifying the control unit 82, and a button sequence 76-2 and selection made in the same manner A control program stored in the magnetic disk 21, the optical disk 22, the magneto-optical disk 23, or the semiconductor memory 24 by controlling the input unit 77-2 and the drive 20. A controller 82 for controlling the entire video synthesizing apparatus 70 based on a control program and the like, and two types of video signals among a plurality of video signals to be input to the input lines L1 and L2. It comprises a matrix switcher 84 to be supplied.
[0109]
In accordance with control from the control unit 82, the composition processing unit 75 uses the video signal input from the key source signal selection input bus 71 as a key source signal and the video signal supplied from the key fill signal selection input bus 72 as a key fill signal. Then, the video signal supplied from the first background video signal selection input bus 73 is used as the first background video signal, and the key fill signal is synthesized with the first background video signal to generate the first synthesized video signal. Further, the video signal supplied from the second background video signal selection input bus 74 is used as the second background video signal, and the second background video signal is combined with the key fill signal to generate the second composite video signal.
[0110]
Furthermore, the composition processing unit 75 has two output lines (a program output line and a preview output line), and outputs the first composite video signal from one of the two output lines and the second from the other. 2 composite video signals can be output. In addition, for example, the synthesis processing unit 75 outputs the second synthesized video signal (or the first synthesized video signal) from one of the two output lines, and outputs the first synthesized video from the other. The signal can be gradually switched from the second composite video signal (or from the second composite video signal to the first composite video signal).
[0111]
The operation of switching the composite video signal to be output may be manually controlled by the user by operating a dedicated lever (not shown) or the mouse 80-1. Alternatively, the switching speed may be designated and automatically switched.
[0112]
The selection input unit 77-1 includes a keyboard 79-1 that receives a user operation on a graphical user interface (described later with reference to FIGS. 20 to 22) for setting the button correspondence table 78-1 and the like, and a mouse. 80-1 and a display 81-1 for displaying a graphical user interface (hereinafter referred to as GUI) are connected. Similarly, a keyboard (not shown) or the like is connected to the selection input unit 77-2.
[0113]
The control unit 82 has an input combination table 83 (similar to the input combination table 19 in FIG. 3) containing the first and second input line numbers corresponding to the index numbers notified from the selection input units 77-1 and 77-2. And the switching of the key source signal selection input bus 71 through the second background video signal selection input bus 74 is controlled based on the button row information and the first and second input line numbers.
[0114]
Specifically, when the button row information indicates the key button row 92 (FIG. 18), the key fill signal selection input bus 72 is associated with the first input line number and the key fill signal is associated with the second input line number. The source signal selection input bus 71 is switched. When the button row information indicates the first background button row 93 (FIG. 18), the first background video signal selection input bus 73 is switched corresponding to the first input line number. When the button row information indicates the second background button row 94 (FIG. 18), the second background video signal selection input bus 74 is switched corresponding to the first input line number.
[0115]
In accordance with control from the control unit 82, the matrix switcher 84 converts two types of video signals out of a maximum of 99 types of video signals input to the input lines ML1 to ML99 to the key source signal selection input bus 71 to the second background video signal. The signal is supplied to the input lines L1 and L2 connected to the selection input bus 74. Note that the number of input lines of the matrix switcher 84 is not limited to 99.
[0116]
The controller 82 also appropriately selects the key source signal selection input bus 71 to the second background video signal when the first or second input line number corresponding to the index number indicates the input lines ML1 to ML99 of the matrix switcher 84. The input bus 74 is switched to the input line L1 or L2, and the switching of the matrix switcher 84 is also controlled.
[0117]
FIG. 18 shows the button arrangement of the button row 76-1. The character string display column 91 displays character information associated with the index number corresponding to the button number of the button arranged below in the figure. The character information is stored in the control unit 82, and the user can set the character information.
[0118]
The character information may be stored in association with the input line number. In that case, either of the character information associated with the first input line number corresponding to the index number corresponding to the button number of the button or the character information associated with the second input line number corresponding to the index number. Is displayed.
[0119]
The key button column 92 includes an input line for supplying a video signal for which the key source signal selection input bus 71 is a key source signal to the synthesis processing unit 75, and a video signal for which the key fill signal selection input bus 72 is a key fill signal. This is operated when a combination with an input line to be supplied to the composite processing unit 75 is selected. The first background button row 93 is operated when the first background video signal selection input bus 73 selects an input line that supplies a video signal to be a background video signal to the synthesis processing unit 75. The second background button row 94 is operated when the second background video signal selection input bus 74 selects an input line that supplies a video signal that is a background video signal to the synthesis processing unit 75.
[0120]
For example, when the output from the program output line of the composition processing unit 75 is gradually switched, the background video before switching is specified by pressing the button in the first background button row 93, and then the second background button A background video after switching is designated in advance by pressing a button in column 94. The background image after switching can be monitored by the image of the preview output line. It should be noted that the background number to be switched next can be selected using the second background button row 94, and the button number selected in the second background button row 94 at the time of switching is displayed in the first background button row 93. You may make it select.
[0121]
In the button row 76-1, the key button row 92, the first background button row 93, and the second background button row 94 are arranged in parallel. A button number is assigned. Therefore, the vertically adjacent buttons correspond to the same index number. In this way, the buttons that are operated when the same video signal is used as the background video signal and the buttons that are operated when used as the key fill signal are arranged side by side in the vertical direction, so that the user can easily select the desired signal. can do.
[0122]
Each button constituting the key button row 92, the first background button row 93, and the second background button row 94 of the button row 76-1 incorporates a light emitting device such as an LED (Light-Emitting Diode), When it is in the pressed state, it lights up corresponding to the control from the selection input unit 77-1.
[0123]
Even when the buttons constituting the button row 76-2 are pressed, the LEDs of the matching buttons among the buttons constituting the button row 76-1 are turned on in conjunction with the button. Here, the “matching button” refers to a button having the same result when pressed.
[0124]
As described above, an operation of lighting the buttons constituting the button row 76-1 in conjunction with the operation on the button row 76-2 will be described with reference to the flowchart of FIG.
[0125]
In step S41, the control unit 82 determines whether any button of the button sequence 76-2 is pressed based on the index number from the selection input unit 77-2 and the presence / absence of notification of the button sequence information, Wait until it is determined that any button is pressed. If it is determined that any button has been pressed, the process proceeds to step S42. In step S42, the control unit 82 notifies the selection input unit 77-1 of the index number and button string information notified from the selection input unit 77-2.
[0126]
In step S43, the selection input unit 77-1 determines whether or not information corresponding to the index number notified from the control unit 82 exists in the built-in button correspondence table 78-1. If it is determined that information corresponding to the index number notified from the control unit 82 exists in the built-in button correspondence table 78-1, the process proceeds to step S44.
[0127]
In step S44, the selection input unit 77-1 acquires the button number corresponding to the index number notified from the control unit 82 with reference to the built-in button correspondence table 78-1, and stores the button row 76- together with the button row information. 1 is notified. The button row 76-1 is a button constituting a button row corresponding to the button row information notified from the selection input unit 77-1 and corresponds to the button number notified from the selection input unit 77-1. Turn on only the button. Returning to step S41, the subsequent processing is repeated.
[0128]
If it is determined in step S43 that there is no information corresponding to the index number notified from the control unit 82 in the built-in button correspondence table 78-1, the process proceeds to step S45.
[0129]
In step S45, the selection input unit 77-1 notifies the button sequence 76-1 of the button sequence information notified from the control unit 82. The button row 76-1 turns off all the buttons constituting the button row corresponding to the button row information notified from the selection input unit 77-1. Returning to step S41, the subsequent processing is repeated.
[0130]
In addition, since the operation | movement which lights the button which comprises the button row 76-2 in response to operation with respect to the button row 76-1 is also the same, the description is abbreviate | omitted.
[0131]
Similarly, when the matrix switcher 84 is switched, the corresponding button can be lit.
[0132]
As described above, the video composition device 70 uses the index number and the button row information to link the lighting of the buttons constituting the button rows 76-1 and 76-2. Even when the video composition device 70 uses the keying attribute value and the video correction value as in the video composition device 40 of FIG. Button lighting can be linked.
[0133]
Next, the switching state of the key source signal selection input bus 71 to the second background video signal selection input bus 74 and the matrix switcher 84 is stored at an arbitrary timing, and then the stored switching state at an arbitrary timing. The operation of the video composition device 70 that reproduces the above will be described.
[0134]
The video composition device 70 controls the switching of the key source signal selection input bus 71 to the second background video signal selection input bus 74 and the matrix switcher 84 as the switching states when the state storage is instructed by the user. The index number is stored. Thereafter, when state reproduction is instructed by the user, the previously stored index number is read out, and based on the index number, the key source signal selection input bus 71 to the second background video signal selection input bus 74 and the matrix switcher 84 are read out. Reproduce the switching. Even when switching is reproduced in this way, the button row 76-1 can be turned on based on the index number.
[0135]
Next, GUIs that are operated when setting information stored in the button correspondence table 78-1 and the input combination table 83 will be described with reference to FIGS.
[0136]
FIG. 20 is a display example of a screen for setting information stored in the input combination table 83. In this GUI, an index number is selected, and a first input line number (Vfill signal) and a second input line number (Ksrc signal) corresponding to the index number are selected. When there are a plurality of input lines LM1 to LM99 (matrix) of the matrix switcher 84 and a combination processing unit 75 in addition to the normal input lines L1 to L9 (Primary input), the input line number can be arbitrarily combined. The output (reentry) of the processing unit 75 can be designated. Each index number can store a character string of a display name.
[0137]
FIG. 21 is a display example of a screen showing information set in the input combination table 83 using the screen shown in FIG. The screen displays a first input line number (Vfill signal), a second input line number (Ksrc signal), and a display name corresponding to each index number.
[0138]
FIG. 22 shows a display example of a screen for setting information to be stored in the button correspondence table 78-1. In this display example, the index number associated with the button number “7” is selected. For example, when the selected index number is already associated with another button number, the button number is displayed as the already assigned button number.
[0139]
By the way, when the video synthesizing apparatus 70 is provided with interlocking information and one of the key source signal selection input bus 71 to the second background video signal selection input bus 74 is switched, the other buses are interlocked with it. You may make it switch. Thereby, for example, the switching operation of the background video signal and the key source signal and key fill signal can be linked. If a plurality of composite processing units 75 are provided, the input selection of two composite processing units 5 at the same time when the output of any composite processing unit 75 is used in another composite processing unit 75. By switching, operations with a high degree of freedom become possible.
[0140]
The linkage information is stored in association with the linkage source and linkage destination index numbers. In the video composition device 70, hereinafter, a set of the key source signal selection input bus 71 and the key fill signal selection input bus 72 is referred to as a key string, and a first background video signal selection input bus 73 and a second background video signal selection input bus 74 are referred to as a key sequence. Is referred to as a background row. Furthermore, the key column and the background column are collectively referred to as a column.
[0141]
When switching is performed in the link source sequence corresponding to an arbitrary index number, switching is also performed in the link destination sequence at the same time.
[0142]
FIG. 23 shows a display example of a screen for setting a link. In this screen, a plurality of linkage destinations can be set for one link source column. A plurality of linkage destinations for one link source column is referred to as a link group. A plurality (for example, 5) of link groups are provided.
[0143]
FIG. 24 shows a display example of a screen for setting a link destination column. The link destination column is set using an ME number, column designation, and table number that specify one of the plurality of composite processing units. Here, the table number is a number that identifies a link table that stores information on correspondence between index numbers.
[0144]
FIG. 25 shows a display example of a screen showing information stored in the link table. On the screen, the index numbers displayed side by side are the index number of the link source column and the index number of the link destination column linked to it. A display name is also displayed next to the index number.
[0145]
FIG. 26 shows a display example of a screen for setting information stored in the link table. On this screen, the index number of the link source column is selected, and the index number of the link destination column linked to it is selected.
[0146]
As described above, it is assumed that the key source signal selection input bus 71 and the key fill signal selection input bus 72 are simultaneously controlled for the key string by setting the correspondence between the link source string and the link destination string using the index number. It can be set in the link source column and vice versa. Therefore, it is possible to easily execute an operation in accordance with the intention of creating a video.
[0147]
The link can be set simultaneously with the setting of the keying attribute and the application of the video correction value. Further, since the link is set using the index number, it is possible to cope with lighting the button.
[0148]
By the way, a set of key strings, that is, a key source signal selection input bus 71 and a key fill signal selection input bus 72 are connected to the composition processing unit 75 of the video composition device 70, and the key source signal and the key fill signal are received. Although only one set is supplied, a plurality of key strings may be provided, and a plurality of sets of key source signals and key fill signals may be supplied to the composition processing unit 75.
[0149]
For example, three sets of key strings are provided, and three sets of key source signals and key fill signals are supplied to the composition processing unit 75.
[0150]
Even in such a case, a plurality of key sequences can be switched using the index number.
[0151]
FIG. 27 shows an example of the button arrangement of the button row 76-1 corresponding to the case where three sets of key rows are provided. In this button arrangement, an operation on the first key button row 92-1 controls switching of the first key row. The operation on the second key button row 92-2 controls the switching of the second key row. The operation on the third key button row 92-3 controls the switching of the third key row.
[0152]
Thus, even when the first key button row 92-1 to the third key button row 92-3 are provided, the same button number is assigned to the five buttons arranged in the vertical direction, and the same index number is assigned. Converted.
[0153]
Instead of providing the first key button row 91-1 to the third key button row 92-3, the operation target of the key button row 92 is set to the first one in the arrangement of the button row 76-1 shown in FIG. A changeover switch for switching from the key row to the third key row may be additionally provided.
[0154]
Next, in the video composition device 70, the button correspondence table 78-1 is built in the selection input unit 77-1, but the button correspondence table 78-1 may be built in the control unit 82. The same applies to the video composition devices 10, 30, and 40.
[0155]
By the way, the series of processes described above can be executed by hardware, but can also be executed by software. When a series of processing is executed by software, a program constituting the software may execute various functions by installing a computer incorporated in dedicated hardware or various programs. For example, it is installed from a recording medium in a general-purpose personal computer or the like.
[0156]
As shown in FIG. 3, the recording medium is distributed to provide a program to the user separately from the computer, and includes a magnetic disk 21 (including a floppy disk) on which the program is recorded, an optical disk 22 (CD- It is not only composed of a package medium consisting of ROM (Compact Disc-Read Only Memory), DVD (Digital Versatile Disc), magneto-optical disk 23 (including MD (Mini Disc)), or semiconductor memory 24. It is configured by a ROM, a hard disk or the like on which a program is recorded, which is provided to the user in a state of being pre-installed in the computer.
[0157]
In the present specification, the step of describing the program recorded in the recording medium is not limited to the processing performed in time series according to the described order, but is not necessarily performed in time series, either in parallel or individually. The process to be executed is also included.
[0158]
【The invention's effect】
As described above, according to the image processing apparatus and method and the storage medium program of the present invention, a user's operation is accepted, a corresponding button number is generated, and the first correspondence table is referenced to obtain the button number. A corresponding index number is generated, the second correspondence table is referenced to obtain the first and second supply information corresponding to the index number, the first selection process is controlled according to the first supply information, the first Since the second selection process is controlled according to the supply information of 2, the combination of the key fill signal and the key source signal can be selected from a number of options with an easy operation.
[Brief description of the drawings]
FIG. 1 is a diagram for explaining keying synthesis processing;
FIG. 2 is a diagram for explaining keying synthesis processing;
FIG. 3 is a block diagram illustrating a configuration example of a video composition device 10 according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating an example of information stored in a button correspondence table 17;
FIG. 5 is a diagram illustrating an example of information stored in an input combination table 19;
FIG. 6 is a flowchart for explaining the operation of the video composition device 10;
FIG. 7 is a block diagram illustrating a configuration example of a video composition device 30 according to an embodiment of the present invention.
8 is a diagram illustrating an example of information stored in a keying attribute storage unit 31. FIG.
FIG. 9 is a diagram for explaining keying composition processing of the image composition device 30;
10 is a diagram showing an example of information stored in an input combination table 19. FIG.
FIG. 11 is a flowchart for explaining the operation of the video composition device 30;
FIG. 12 is a block diagram illustrating a configuration example of a video composition device 40 according to an embodiment of the present invention.
13 is a diagram showing an example of information stored in a button correspondence table 54. FIG.
14 is a diagram showing an example of information stored in an input combination table 56. FIG.
15 is a flowchart for explaining the operation of the video composition device 40. FIG.
FIG. 16 is a diagram for explaining keying composition processing of the image composition device 40;
FIG. 17 is a block diagram showing a configuration example of a video composition device 70 according to an embodiment of the present invention.
FIG. 18 is a diagram illustrating an example of button arrangement of a button row 76-1.
FIG. 19 is a flowchart for explaining the operation of the video composition device 40;
FIG. 20 is a diagram showing a display example of a screen for setting an input combination table 78-1.
FIG. 21 is a diagram illustrating a display example of a screen indicating information stored in the input combination table 78-1.
FIG. 22 is a diagram showing a display example of a screen for setting a button correspondence table 78-1.
FIG. 23 is a diagram illustrating a display example of a screen for setting a link group.
FIG. 24 is a diagram illustrating a display example of a screen for setting a link destination column.
FIG. 25 is a diagram illustrating a display example of a screen indicating information stored in a link table.
FIG. 26 is a diagram illustrating a display example of a screen for setting a correspondence relationship between a link source column and a link destination column.
FIG. 27 is a diagram illustrating an example of button arrangement in a button row 76-1.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Image composition apparatus, 11 Key source signal selection input bus, 12 Key fill signal selection input bus, 13 Background image signal input bus, 14 Composition processing part, 15 Key button row, 16 Selection input part, 17 Button correspondence table, 18 Control Unit, 19 input combination table, 20 drive, 21 magnetic disk, 22 optical disk, 23 magneto-optical disk, 24 semiconductor memory, 30 video synthesis device, 31 keying attribute storage unit, 40 video synthesis device, 41 key source signal selection input bus, 42 key fill signal selection input bus, 43 background video signal selection input bus, 44 key source signal selection input bus, 45 key fill signal selection input bus, 46 background video signal selection input bus, 47 first synthesis processing unit, 48 second synthesis Processing section, 49 1st key button row, 5 First background button row, 51 Second key button row, 52 Second background button row, 53 Selection input section, 54 Button correspondence table, 55 Control section, 56 Input combination table, 57 Keying attribute storage section, 58 Video correction value storage , 70 video synthesis device, 71 key source signal selection input bus, 72 key fill signal selection input bus, 73 first background video signal selection input bus, 74 second background video signal selection input bus, 75 synthesis processing unit, 76 button Column, 77 selection input section, 78 button correspondence table, 79 keyboard, 80 mouse, 81 display, 82 control section, 83 input combination table, 84 matrix switcher, 91 character display row, 92 key button row, 93 first background button Row, 94 second background button row

Claims (9)

In an image processing apparatus for synthesizing a foreground video corresponding to a second video signal in a predetermined area of a background video corresponding to the first video signal,
Input means for inputting the first video signal;
Supply means for supplying a plurality of video signals;
First selection means for selecting one of the plurality of video signals supplied by the supply means as the second video signal;
Second selection means for selecting one video signal as a key source signal among the plurality of video signals supplied by the supply means;
The first video signal and the second video signal are combined so that a region specified based on the key source signal in the entire region of the background video is replaced with the foreground video. Combining means for generating a signal;
Button number generating means for receiving a user operation and generating a button number corresponding to the user operation;
An index number generating means for generating the index number corresponding to the button number with reference to a first correspondence table storing a correspondence between the button number and the index number;
Obtaining means for obtaining the first and second supply information corresponding to the index number by referring to a second correspondence table storing a correspondence between the index number and the first and second supply information; ,
An image processing apparatus comprising: a selection control unit that controls the first selection unit in accordance with the first supply information and controls the second selection unit in accordance with the second supply information. The obtaining means obtains the keying attribute corresponding to the index number by referring to a third correspondence table storing a correspondence between the index number and the keying attribute;
The image processing apparatus according to claim 1, wherein the control unit also controls the combining unit according to the keying attribute. The image processing apparatus according to claim 2, wherein the keying attribute includes at least one of keying density, keying determination value, boundary line type, offset value, and boundary blurring setting. A third selection means for selecting one of the plurality of video signals supplied by the supply means as the first video signal;
The image processing apparatus according to claim 1, wherein the control unit also controls the third selection unit according to the first supply information. The button number generation means includes a key button row including a plurality of buttons for selecting a combination of the key source signal and the second video signal, and a plurality of buttons for selecting the first video signal. The image processing apparatus according to claim 1, wherein the image processing apparatus comprises a background button row consisting of: The key button row and the background button row are arranged in parallel, and the button forming the adjacent first button row and the button forming the second button row correspond to the same button number. The image processing apparatus according to claim 5. First changing means for changing the association between the button number and the index number stored in the first correspondence table;
2. The image according to claim 1, further comprising: a second changing unit that changes a correspondence between the index number stored in the second correspondence table and the first and second supply information. Processing equipment. In an image processing method of an image processing apparatus for synthesizing a foreground video corresponding to a second video signal in a predetermined region of a background video corresponding to the first video signal,
An input step for inputting the first video signal;
Supplying a plurality of video signals;
A first selection step of selecting one video signal as the second video signal among the plurality of video signals supplied in the processing of the supply step;
A second selection step of selecting one video signal as a key source signal among the plurality of video signals supplied in the processing of the supply step;
The first video signal and the second video signal are combined so that a region specified based on the key source signal in the entire region of the background video is replaced with the foreground video. A synthesis step to generate a signal;
A button number generation step for receiving a user operation and generating a button number corresponding to the user operation;
An index number generating step for generating the index number corresponding to the button number with reference to a first correspondence table storing a correspondence between the button number and the index number;
An obtaining step of obtaining the first and second supply information corresponding to the index number by referring to a second correspondence table storing a correspondence between the index number and the first and second supply information; ,
And a selection control step of controlling the processing of the first selection step according to the first supply information and controlling the processing of the second selection step according to the second supply information. Method. An image processing program for synthesizing a foreground video corresponding to a second video signal in a predetermined area of a background video corresponding to the first video signal,
An input step for inputting the first video signal;
Supplying a plurality of video signals;
A second selection step of selecting one video signal as the first video signal among the plurality of video signals supplied in the processing of the supply step;
A second selection step of selecting one video signal as a key source signal among the plurality of video signals supplied in the processing of the supply step;
The first video signal and the second video signal are combined so that a region specified based on the key source signal in the entire region of the background video is replaced with the foreground video. A synthesis step to generate a signal;
A button number generation step for receiving a user operation and generating a button number corresponding to the user operation;
An index number generating step for generating the index number corresponding to the button number with reference to a first correspondence table storing a correspondence between the button number and the index number;
An obtaining step of obtaining the first and second supply information corresponding to the index number by referring to a second correspondence table storing a correspondence between the index number and the first and second supply information; ,
And a selection control step of controlling the processing of the first selection step according to the first supply information and controlling the processing of the second selection step according to the second supply information. A recording medium on which a readable program is recorded.

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