JP2003298925A - Electronic camera with multiple photographing function - Google Patents

Electronic camera with multiple photographing function

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Publication number
JP2003298925A
JP2003298925A JP2002101696A JP2002101696A JP2003298925A JP 2003298925 A JP2003298925 A JP 2003298925A JP 2002101696 A JP2002101696 A JP 2002101696A JP 2002101696 A JP2002101696 A JP 2002101696A JP 2003298925 A JP2003298925 A JP 2003298925A
Authority
JP
Japan
Prior art keywords
image
electronic camera
mode
images
means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002101696A
Other languages
Japanese (ja)
Inventor
Yasuyuki Motoki
Naoaki Yorita
康之 元木
直晶 寄田
Original Assignee
Nikon Corp
株式会社ニコン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corp, 株式会社ニコン filed Critical Nikon Corp
Priority to JP2002101696A priority Critical patent/JP2003298925A/en
Publication of JP2003298925A publication Critical patent/JP2003298925A/en
Pending legal-status Critical Current

Links

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic camera having multiple photographing functions capable of multiple photographing suitable for a state of a photographing object and having also multiple photographing functions with which a user can photograph second and succeeding pictures by a layout intended by the user in the multiple photographing. <P>SOLUTION: The electronic camera is characterized in that it has: an imaging means for imaging an object image to produce a picture; and an overlapping means for overlapping a plurality of pictures produced by repeating imaging with the imaging means to produce another picture, and that the overlapping means selects: a first overlapping mode wherein a plurality of pictures are weighted and then overlapped; and a second overlapping mode, wherein a plurality of pictures are not weighted and overlapped. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic camera having a multiple shooting function.

[0002]

2. Description of the Related Art Conventionally, there is an electronic camera having a multiple shooting function. Multiple shooting with an electronic camera is performed by superimposing a plurality of images. As a method of superimposing, there is a method of superimposing a predetermined weight on a plurality of images to be superposed and then superimposing them, or a method of simply superimposing a plurality of images to be superposed.

Further, in such an electronic camera, when photographing the second and subsequent images, an image obtained by performing thinning processing on the previously photographed image and the through image is displayed on the monitor, and the user The composition was determined by visually observing the image displayed on the monitor.

[0004]

In the case of using a method in which predetermined weighting is performed and then overlapping is performed in multiple shooting, the gradation level of individual images to be superimposed becomes low due to the weighting. For this reason, when a subject to be photographed with a dark background portion is subjected to multiple photographing by this method, the gradation level of the main portion of the subject to be photographed becomes low due to weighting, and as a result, it becomes transparent.

Further, in the case of simply using the superposing method, no matter what kind of image is superposed on the white image, only a white image is obtained. Therefore, when multiple shooting is performed on a subject with a bright background (close to white) by this method, the portion of the previously captured image that is close to white is close to white even if the later captured images are superimposed. The image remains as it is, and the effect of superposition cannot be obtained.

Further, since the display when photographing the second and subsequent images is accompanied by the thinning-out process, the image displayed on the monitor seems to be transparent and sometimes difficult to see.
For this reason, the second and subsequent images may not be captured with the composition intended by the user. An object of the present invention is to provide an electronic camera having a multiple shooting function capable of performing multiple shooting suitable for the state of a shooting target.

Another object of the present invention is to provide an electronic camera having a multiplex photographing function capable of photographing the second and subsequent images with a composition intended by the user in multiplex photographing. .

[0008]

According to another aspect of the present invention, there is provided an electronic camera having a multiplex photographing function, wherein an image pickup unit picks up a subject image to generate an image, and a plurality of image pickup units generated by repeating the image pickup by the image pickup unit. And a superimposing means for superimposing the images to generate a new image, the superimposing means weighting the plurality of images to superimpose them, and the plurality of images. The second superposition mode in which superposition is performed without weighting is performed by switching.

An electronic camera having a multiple shooting function according to a second aspect is the electronic camera having the multiple shooting function according to the first aspect, further comprising detection means for detecting background portions in the plurality of images, The superposition means is
It is characterized in that the first superposing mode and the second superposing mode are switched based on a characteristic of the background portion detected by the detecting means.

An electronic camera having a multiple shooting function according to a third aspect is the electronic camera having a multiple shooting function according to the first aspect, wherein the superimposing means includes the first superimposing mode and the second superimposing mode. The overlay mode of
The feature is that switching is performed based on a user operation. An electronic camera having a multiple shooting function according to claim 4 is the electronic camera having a multiple shooting function according to claim 1, wherein the superimposing means performs the plurality of operations when performing the first superimposing mode. The image is weighted with an equal weighting amount.

An electronic camera having a multiple shooting function according to a fifth aspect is the electronic camera having a multiple shooting function according to the first aspect, wherein the superposing means is configured to perform the first superposing mode. The plurality of images are weighted with a weighting amount individually determined based on a user operation. An electronic camera having a multiple shooting function according to claim 6, wherein a detecting unit that detects a background portion of an arbitrary image, an image capturing unit that captures a subject image to generate an image, and the It is characterized by further comprising display means for displaying the portion other than the background portion detected by the detection means and the image generated by the image pickup means in an overlapping manner.

An electronic camera having a multiple shooting function according to a seventh aspect is the electronic camera having a multiple shooting function according to the sixth aspect, wherein the detecting means sets the background portion of the arbitrary image to the arbitrary portion. Is detected based on the luminance information of the image.

[0013]

DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an electronic camera according to an embodiment of the present invention. First, the configuration of the electronic camera 1 according to the embodiment of the present invention will be described with reference to FIG. As shown in FIG. 1, the electronic camera 1 includes an imaging unit 2, an image temporary recording unit 3, a control unit 4, an image processing unit 5,
A display processing unit 6 is provided, and a memory card interface unit 8 that interfaces with a memory card (card-shaped removable memory) 7 is provided, and these are connected to each other via a bus.

The image pickup section 2 is provided with a lens (not shown), various sensors for measuring the brightness and photographing distance of a subject, an image pickup element, an A / D converter and the like. In addition, the control unit 4
A program indicating the operation contents of each unit is recorded in advance in a memory (not shown) therein. Furthermore, the electronic camera 1
An operation unit 9 that receives a user operation and a liquid crystal monitor 10 are provided. In FIG. 1, the output of the operation unit 9 is connected to the control unit 4, and the liquid crystal monitor 10 is connected to the output of the display processing unit 6.

Here, the operation unit 9 includes a power button, a release button (not shown), other cross keys related to selection operations, a decision button, and the like. In the electronic camera 1 configured as described above, when the power button (not shown) is turned “ON”, the control unit 4 detects this and instructs each unit to start capturing and displaying a through image.

Further, when the scene photographing mode or the multiple photographing mode which is a feature of the present invention is selected through the operation unit 9, the control unit 4 detects this and according to the selected mode, Instruct each part to perform initial settings and wait for shooting. When a release button (not shown) is pressed, the control unit 4 detects it and instructs each unit to execute shooting according to the selected mode, and the image generated by shooting is displayed on the memory card interface unit 8. Via the memory card 7.

The multiple shooting, which is a feature of the present invention, will be described below. The multiple shooting is performed by superimposing a plurality of images shot by a user by using an image processing method, and thus a silver halide camera is used. This is to generate an image similar to the image obtained by the multiple shooting used. The superimposing methods are roughly classified into a method of weighting the images to be superposed and a method of not weighting, and the weighting method is further classified by the weighting method.

2 to 6 are flowcharts showing the control procedure of the electronic camera 1 in the multiple shooting. First, overall processing when the user selects the multiple shooting mode will be described with reference to FIG. In step S1, the control unit 4 determines whether the multiple shooting mode is selected via the operation unit 9. The control unit 4 repeats step S1 until the multiple shooting mode is selected.

In step S2, the control unit 4 detects the background portion of the latest image generated for the through image via the image processing unit 5. That is, the control unit 4 analyzes the luminance information of the image via the image processing unit 5, and detects a portion having substantially the same luminance distribution as the background portion. Then, the range of the brightness level in the portion detected as the background portion is recorded in a memory (not shown) in the control unit 4. For example, when the background portion is dark, information such as 0 to 25 is recorded as a range of brightness levels in a memory (not shown) in the control unit 4.

In step S3, the control unit 4 determines whether or not images to be superposed are weighted at the time of superposition. For example, the control unit 4 displays a message asking the user “whether or not to perform weighting” on the liquid crystal monitor 10 via the display processing unit 6. Then, when it is selected whether or not to perform weighting through the operation unit 9, the control unit 4 proceeds to step S4 when performing weighting,
When weighting is not performed, the process proceeds to step S5.

In step S4, the control unit 4 determines whether or not the weighting amount is designated. The control unit 4 makes an inquiry to the user in the same manner as in step S3. If the weighting amount is designated, the process proceeds to step S6. If the weighting amount is not designated, the process proceeds to step S7. Step S
In 5, the control unit 4 performs the processing in the first mode (details will be described later), and when the processing is completed, the process proceeds to the end.

In step S6, the control unit 4 determines whether the object for which the weighting amount is specified is each image or an image including a main subject (hereinafter referred to as "main image"). The control unit 4 makes an inquiry to the user in the same manner as in step S3, and when the target for which the weighting amount is specified is each image, the process proceeds to step S8, and when the target for which the weighting amount is specified is the main image. Go to step S9.

In step S7, the control unit 4 controls the second
The process according to the mode is performed (details will be described later), and when the process is completed, the process proceeds to the end. In step S8, the control unit 4
Performs processing in the third mode (details will be described later),
When the process is completed, the process proceeds to the end. In step S9,
The control unit 4 performs the process in the fourth mode (details will be described later), and when the process is completed, the process proceeds to the end.

Here, the processing in the first mode in step S5 will be described in detail with reference to FIG. First
The process according to the mode is a process of simply superimposing without weighting.

First, in step S11, the control unit 4
Determines whether or not shooting has been performed. The control unit 4 repeats step S11 until shooting is performed. In step S12, the control unit 4 performs the image capturing and the image capturing unit 2
The image obtained by is recorded in the image temporary recording unit 3. In step S13, the control unit 4 controls the image temporary recording unit 3
The background replacement process is performed on each of the images recorded in step 1 through each section, and the images are displayed on the liquid crystal monitor 10.

The background replacement process is a process of replacing the background portion of the image obtained by the image pickup unit 2 with a through image, and is realized as follows. First, the control unit 4
Is the background portion of the image obtained by the image pickup unit 2 (control unit 4
(A portion within the range of the brightness level recorded in a memory (not shown)) is initialized. Here, the initialization means to set the gradation level of each color of RGB to 0. Next, the control unit 4
The display processing unit 6 superimposes the background-initialized image and the through image, and displays the superimposed image on the liquid crystal monitor 10.

As a result, the liquid crystal monitor 10 displays an image in which the background portion of the image obtained by the first photographing is replaced with the through image. Step S
At 14, the control unit 4 determines whether or not photographing has been performed. The control unit 4 operates in step S1 until shooting is performed.
Repeat 4. In step S15, the control unit 4
The image obtained by the image pickup unit 2 is subjected to a superimposing process via the image processing unit 5, and is recorded in the image temporary recording unit 3.

The superimposing process is a process for superimposing the image obtained by the image pickup section 2 and the image recorded in the image temporary recording section 3 to generate a new image. Note that a specific method of superimposing images in the image processing unit 5 can be performed in the same manner as a known technique, and thus description thereof will be omitted. In step S16, the control unit 4 performs background replacement processing on the image recorded in the image temporary recording unit 3 via each unit, and displays the image on the liquid crystal monitor 10.

That is, the control unit 4 controls the image temporary recording unit 3
The background part of the image recorded in step S13 is initialized by the same method as in step S13, the background-initialized image and the through image are overlapped via the display processing unit 6, and the liquid crystal monitor 1 is displayed.
Display at 0. In step S17, the control unit 4
It is determined whether the end of the multiple shooting is instructed.

The control unit 4 makes an inquiry to the user in the same manner as in step S3 of FIG. 2, and if the end of the multiple shooting is instructed, the process proceeds to step S18, and if the end of the multiple shooting is not instructed, the process proceeds to step S14. Return and wait until the next shot is taken. In step S18, the control unit 4 records the image (recorded in the image temporary recording unit 3) generated by the final superimposing process on the memory card 7 via the memory card interface unit 8,
The process in the first mode ends.

As described above, according to the first mode, by performing superposition without weighting,
When the background part of the shooting target is dark, it is possible to perform the superimposition while avoiding the deterioration of the gradation level. Next, the processing in the second mode in step S7 will be described in detail with reference to FIG.

The process in the second mode is a process in which images to be superposed are weighted with equal weighting amounts and superposed. For example, when the number of times of photographing is 3, each image is weighted by 100/3 = 33%. First, in step S21, the control unit 4 determines whether or not the number of times of photographing has been designated via the operation unit 9. The control unit 4 repeats step S21 until the number of times of photographing is designated, and when the designation is performed, the designated number of times of photographing is recorded in a memory (not shown) in the control unit 4, and the process proceeds to step S22.

In step S22, the control unit 4 determines whether or not photographing has been performed. The control unit 4 repeats step S22 until the photographing is performed. When the photographing is performed, the value of the photographing number counter (not shown) in the control unit 4 is set to 1 and the process proceeds to step S23. In step S23,
The control unit 4 weights the image obtained by the image capturing unit 2 with a weighting amount of (100 / designated number of times of photography) via the image processing unit 5, and stores the weighted image in the image temporary recording unit 3. Record.

In step S24, the control unit 4 sends the image recorded in the image temporary recording unit 3 via each unit.
The background replacement process is performed and the result is displayed on the liquid crystal monitor 10. That is, the control unit 4 initializes the background portion of the image recorded in the image temporary recording unit 3 by the same method as in step S13 of the first mode, and the background portion is initialized via the display processing unit 6 as an image. The through image is superimposed and displayed on the liquid crystal monitor 10.

In step S25, the control section 4 determines whether or not photographing has been performed. The control unit 4 repeats step S24 until the photographing is performed. When the photographing is performed, the value of the photographing number counter (not shown) in the control unit 4 is incremented by 1 and the process proceeds to step S25. In step S26, the control unit 4 weights the image obtained by the image capturing unit 2 via the image processing unit 5 with a weighting amount of (100 / designated number of times of photographing).

In step S 27, the control unit 4 performs the superimposing process on the weighted images via the image processing unit 5 and records the images in the image temporary recording unit 3. That is,
The control unit 4 superimposes the weighted image and the image recorded in the image temporary recording unit 3 via the image processing unit 5, and records them in the image temporary recording unit 3 as a new image.

In step S28, the control unit 4 controls the image temporary recording unit 3 as in step S13 in the first mode.
The background replacement process is performed on the image recorded in step 1 and the image is displayed on the liquid crystal monitor 10. In step S29, the control unit 4
Determines whether or not the photographing of the designated number of times has been completed. That is, the control unit 4 determines whether or not the value of the photographing counter (not shown) in the control unit 4 has reached the number of photographing times recorded in the memory (not shown) in the control unit 4, and the designated photographing is performed. When the photographing of the number of times is completed, the process proceeds to step S30, and when it is not completed, the process returns to step S25 and stands by until the next photographing is performed.

In step S30, the control section 4 records the image (recorded in the image temporary recording section 3) generated by the final superimposition processing in the memory card 7 via the memory card interface section 8. Then, the processing in the second mode ends. As described above, according to the second mode, the images to be superposed are weighted with the same weighting amount, so that the images to be superposed can be superposed while being similarly emphasized.

Next, the processing in the third mode in step S8 will be described in detail with reference to FIG. The process in the third mode is a process in which images to be superimposed are weighted with a weighting amount designated by the user and are superimposed. First, in step S31, the control unit 4 determines whether or not the number of times of photographing and the weighting amount of each image are designated via the operation unit 9. The control unit 4 repeats step S31 until the number of times of photographing and the weighting amount of each image are designated, and when designated, the designated number of times of photographing and the weighting amount of each image are not stored in the control unit 4. It is recorded in the memory shown and the process proceeds to step S32.

In step S32, the control section 4 determines whether or not photographing has been performed. The control unit 4 repeats step S32 until the photographing is performed. When the photographing is performed, the value of the photographing number counter (not shown) in the control unit 4 is set to 1 and the process proceeds to step S33. In step S33,
The control unit 4 weights the image obtained by the image pickup unit 2 with the designated weighting amount via the image processing unit 5,
The weighted image is recorded in the image temporary recording unit 3.

In step S34, the control unit 4 controls the image recorded in the image temporary recording unit 3 via each unit.
The background replacement process is performed and the result is displayed on the liquid crystal monitor 10. That is, the control unit 4 initializes the background portion of the image recorded in the image temporary recording unit 3 by the same method as in step S13 of the first mode, and the background portion is initialized via the display processing unit 6 as an image. The through image is superimposed and displayed on the liquid crystal monitor 10.

In step S35, the control section 4 determines whether or not photographing has been performed. The control unit 4 repeats step S34 until the photographing is performed. When the photographing is performed, the value of the photographing number counter (not shown) in the control unit 4 is incremented by 1 and the process proceeds to step S36. In step S36, the control unit 4 weights the image obtained by the imaging unit 2 with the designated weighting amount via the image processing unit 5.

In the processing of steps S37 to S40, the control section 4 performs the same processing as steps S27 to S30 in the second mode. And step S
When the process of 40 is completed, the control unit 4 ends the process in the third mode. As described above, according to the third mode, by weighting the images to be superimposed with the weighting amount designated by the user, it is possible to meet the user's detailed request.

Finally, the processing in the fourth mode in step S9 will be described in detail with reference to FIG. Fourth
The processing by the mode means that the main image is weighted by the weighting amount specified by the user, and the other images are weighted by the same weighting amount,
This is a process for superimposing. For example, if the number of shootings is four and the weighting amount of the main image is 40%, the main image is weighted by 40%, and the other images are (100-40) / 3 = Weighting by 20% is performed. Note that, here, for the sake of simplicity, the main image is the first image captured.

First, in step S41, the control unit 4
Determines whether the number of times of photographing and the weighting amount of the main image are designated via the operation unit 9. The control unit 4
Step S41 is repeated until the number of times of photographing and the weighting amount of the main image are designated, and when the designation is made,
The designated number of times of photographing and the weighting amount of the main image are recorded in a memory (not shown) in the control unit 4, and the process proceeds to step S42.

In step S42, the control section 4 calculates the weighting amount of each image. That is, the control unit 4
(100-weighted amount of designated main image) / (designated number of times of photographing-1) is calculated, and the calculation result is recorded in a memory (not shown) in the control unit 4. In step S43, the control unit 4 determines whether or not the main image has been captured. The control unit 4 repeats step S43 until the photographing is performed, and when the photographing is performed, the value of the photographing number counter (not shown) in the control unit 4 is set to 1 and the step S43 is performed.
Proceed to 44.

In the processing of steps S43 to S51, the control section 4 performs the same processing as steps S32 to S40 in the third mode. And step S
When the process of 51 is completed, the control unit 4 ends the process in the fourth mode. As described above, according to the fourth mode, by weighting the main image with the weighting amount designated by the user, the main image can be emphasized and superimposed.

As described above, according to the present embodiment, by switching the first to fourth modes in response to the user's operation, it is possible to carry out multiple photographing suitable for the state of the photographing target. Further, in the present embodiment, by performing the background replacement process, an image in which the background portion of the image to be superimposed is replaced with the through image is displayed. As a result, it is possible to prevent the image from appearing transparent,
The user can shoot the second and subsequent images with an intended composition.

In the second mode of the present embodiment, an example has been shown in which the number of times of photographing is designated in advance and then the multiple photographing is started. However, the number of times of photographing is not designated in advance and one image is taken every time photographing is performed. The weighting amount per hit may be changed.
That is, the first image taken is recorded as is,
When the second image is taken, weighting is performed so that the weighting amount of the first image becomes 1/2 (50%).
When the first image is photographed, the weighting amount of the first image may be reweighted so that it becomes 1/3 (33%).

However, in this case, the weighted images are not superposed on each other but are individually recorded in the image temporary recording section 3, and the superimposition of the images is carried out after the instruction to end the multiple photographing is given. In addition, in the second mode and the fourth mode of the present embodiment, an example in which the arithmetic mean process is used when calculating the weighting amount is shown, but the geometric mean process may be used.

Further, in the second to fourth modes of this embodiment, an example in which the image after weighting is used when displaying is shown, but the image before weighting may be used. That is, when displaying, the images obtained by photographing are simply superimposed, and the background images are subjected to the background replacement processing and displayed. By performing such display, the main part is displayed more clearly.

Further, in the present embodiment, an example in which the first mode and the second mode to the fourth mode are switched based on the selection by the user has been shown, but the characteristics of the background portion of the image detected in step S2 of FIG. The first mode and the second to fourth modes may be switched based on the above. For example, when the brightness level of the background image is lower than a predetermined value (the background part is dark), the mode is switched to the first mode, and when the brightness level of the background image is higher than the predetermined value, the second mode to the fourth mode. You may make it switch to.

In this embodiment, the background portion of the image is detected based on the luminance information, but the background portion of the image may be detected based on the distribution of the single color component of the image. good. In this case, the range of the gradation level of each color of RGB in the portion detected as the background portion may be recorded and used in the background replacement process. Also,
As described above, when switching between the first mode and the second to fourth modes based on the characteristics of the background portion, the first mode is selected based on the range of the gradation levels of the RGB colors recorded in advance. The mode may be switched between the second mode and the fourth mode.

In the present embodiment, the first mode-
It is also possible to switch to another mode while performing multiple shooting in any one of the fourth modes. This makes it possible to deal with the case where the background of the shooting target changes from a bright state to a dark state during the multiple shooting. Further, in the present embodiment, an example is shown in which images taken after the user selects the multiple shooting mode are overlapped, but an image obtained by a new shooting on an image previously taken and recorded by the user is shown. Overlay the images,
Multiple shooting may be performed. As a result, it is possible to superimpose an image of a newly photographed person on the previously recorded landscape image.

Further, in the present embodiment, an example in which the user is made to select the superimposing mode (first mode to fourth mode) each time the user selects the multiple shooting mode has been described. If selected, it may be possible to switch to the previously used superposition mode among the first mode to the fourth mode, and to change to another mode when requested by the user.

[0057]

As described above, according to the first to fifth aspects of the present invention, a plurality of superposition modes having different superposition methods are provided, and these modes are used as the object to be photographed (for example, the background portion). It is possible to perform multiplex shooting suitable for the state of the shooting target.

Further, according to the sixth and seventh aspects of the present invention, by displaying the portion excluding the background portion of the image to be superimposed and the through image in a superimposed manner, the second and subsequent images are taken in multiple shooting. The image can be captured with the composition intended by the user.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an electronic camera.

FIG. 2 is a flowchart showing a control procedure of an electronic camera in multiple shooting.

FIG. 3 is a flowchart (continuation) showing a control procedure of the electronic camera in multiple shooting.

FIG. 4 is a flowchart (continuation) showing a control procedure of the electronic camera in multiple shooting.

FIG. 5 is a flowchart (continuation) showing a control procedure of the electronic camera in multiple shooting.

FIG. 6 is a flowchart (continuation) showing a control procedure of the electronic camera in multiple shooting.

[Explanation of symbols]

1 electronic camera 2 Imaging unit 3 Image temporary recording section 4 control unit 5 Image processing unit 6 Display processing unit 7 memory card 8 Memory card interface 9 Operation part 10 LCD monitor

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 5B057 BA11 BA26 CE08 CH11 CH16                       CH18 DA08                 5C022 AA13 AB19 AC01 AC11 AC69                       CA00                 5C076 AA12 AA19 BA06

Claims (7)

[Claims]
1. An image pickup means for picking up a subject image to generate an image, and a superposition means for superposing a plurality of images generated by repeating the image pickup by the image pickup means to generate a new image, The superimposing means performs a first superimposition mode in which the plurality of images are weighted for superimposition, and a second superimposition mode in which the plurality of images are superposed without weighting.
An electronic camera having a multiple photographing function, which is performed by switching between the superimposing mode of 1.
2. The electronic camera having the multiplex photographing function according to claim 1, further comprising a detection unit that detects a background portion in the plurality of images, wherein the superposition unit is configured to operate in the first superposition mode. An electronic camera having a multiple shooting function, wherein the second superposition mode is switched based on a characteristic of the background portion detected by the detecting means.
3. The electronic camera having the multiplex photographing function according to claim 1, wherein the superimposing means switches between the first superimposing mode and the second superimposing mode based on a user operation. An electronic camera having a multiple shooting function characterized by the above.
4. The electronic camera having the multiplex photographing function according to claim 1, wherein the superimposing means weights the plurality of images with equal weighting amounts when performing the first superimposing mode. An electronic camera having a multiple shooting function characterized by performing.
5. The electronic camera having a multiplex photographing function according to claim 1, wherein the superimposing means individually applies the plurality of images to the plurality of images based on a user operation when performing the first superimposing mode. The weighting is performed by the weighting amount determined in step 1. An electronic camera having a multiple shooting function characterized by the above.
6. A detection means for detecting a background portion in an arbitrary image, an imaging means for capturing a subject image to generate an image, and a background portion detected by the detection means in the arbitrary image. An electronic camera having a multiplex photographing function, comprising: a portion to be excluded and display means for displaying the image generated by the image pickup means in an overlapping manner.
7. The electronic camera having the multiplex photographing function according to claim 6, wherein the detecting unit detects the background portion of the arbitrary image based on luminance information of the arbitrary image. An electronic camera having a multiple shooting function.
JP2002101696A 2002-04-03 2002-04-03 Electronic camera with multiple photographing function Pending JP2003298925A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2417850A (en) * 2004-09-07 2006-03-08 Hewlett Packard Development Co Imaging device adapted to generate a stacked image
JP2009232385A (en) * 2008-03-25 2009-10-08 Sony Corp Image processing apparatus, image processing method, and program
JP2012235227A (en) * 2011-04-28 2012-11-29 Canon Inc Imaging apparatus and control method therefor
US8564691B2 (en) 2004-10-26 2013-10-22 Nikon Corporation Digital camera and image combination device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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