JP2010226362A - Imaging apparatus and control method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a photographer to capture the most suitable image for three-dimensional (3D) viewing on a 3D image display device by customizing a lens position. <P>SOLUTION: A photographer photographs his/her own face by directing a lens 11 toward himself/herself (step S1). A face detection processing section 47 detects the face of the photographer 100 from the image, detects a distance E' on the image between both eyes from the detected face (step S2) and calculates a distance Z between the photographer 100 and a digital camera 1 from E'. Next, a distance N' between the digital camera 1 and a closest subject and a distance F' between the digital camera 1 and the farthest subject are detected (step S3). Finally, based on the information, a lens center distance A between a lens 11 and a lens 21 is calculated with which the photographer 100 can photograph the most suitable image for 3D viewing, and the lens 11 and the lens 21 are moved so that a lens distance A' between the lens 11 and the lens 21 becomes the calculated center distance A (step S4). <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an imaging apparatus and a control method thereof, and more particularly, to an imaging apparatus that captures a stereoscopic image optimal for a photographer to stereoscopically view and a control method thereof.

  There is known a method of stereoscopically viewing an image by photographing two or more images with parallax with a compound eye imaging device including a plurality of imaging means, and allowing an observer to simultaneously view these different images with the left and right eyes. ing. In Patent Document 1, by controlling the optical paths of the left and right images, the left-eye image is guided to the left eye and the right-eye image is guided to the right eye even when the observer's eyes move. A stereoscopic image display device capable of showing a stereoscopic image in the viewing zone is disclosed.

JP-A-8-62534

  In the stereoscopic image displayed on the stereoscopic image display device as described above, the optimal image for stereoscopic vision is different for each observer because the position of the black eye is different for each observer performing stereoscopic vision. However, since the lens position of the compound eye imaging device capable of stereoscopic imaging is fixed, the same stereoscopic image is captured regardless of the photographer. Therefore, there is a problem in that when a captured stereoscopic image is displayed in a stereoscopic manner, it is not necessarily an optimal image for stereoscopic viewing by itself even though it is a stereoscopic image captured by itself.

  The present invention has been made in view of such circumstances, and an imaging apparatus capable of acquiring an optimal image for a photographer to perform stereoscopic viewing on a stereoscopic image display apparatus by customizing a lens position, and the imaging apparatus An object is to provide a control method.

  In order to achieve the above object, an image pickup apparatus according to claim 1 includes a first image pickup unit that converts an optical image of a subject received through the first image pickup lens into an image signal, and a second image pickup lens. And a second imaging unit that converts an optical image of the subject received through the image sensor into an image signal, and a compound eye imaging unit that is arranged so that a distance between the first imaging lens and the second imaging lens can be changed. Means for calculating a first distance that is a distance between the compound-eye imaging means and a subject, display means for displaying a stereoscopic image generated from a plurality of images, and when the photographer visually recognizes the display means A means for calculating a second distance, which is a distance between the photographer and the display means, and a third distance, which is an optimum distance between the first imaging lens and the second imaging lens, are set as the first distance. Means for calculating based on the distance and the second distance; Thus, when a stereoscopic image generated based on a plurality of images captured by the compound eye imaging unit is displayed on the display unit, the stereoscopic image is optimal for the photographer to stereoscopically view. The first imaging lens and the second imaging unit are configured so that a distance between the means for calculating the third distance and the first imaging lens and the second imaging lens is equal to the calculated third distance. And a moving means for moving at least one of the imaging lenses.

  According to the first aspect of the present invention, it is possible to acquire a stereoscopic image that is optimal for a photographer to perform stereoscopic viewing on the display unit of the imaging apparatus.

  The imaging apparatus according to claim 1, wherein the second distance calculating unit is a captured image in which the photographer's face is a subject and the photographer is imaged. The second distance is calculated based on a photographed image in which the distance between the means and the photographer is the same distance as the second distance.

  Thereby, the second distance can be appropriately calculated.

  The imaging device according to claim 2, wherein the captured image is an image captured by any one of the first imaging unit and the second imaging unit. And

  Thereby, it is possible to acquire a captured image with a simple configuration without providing a new imaging unit.

  According to a fourth aspect of the present invention, in the imaging apparatus according to the second aspect, the captured image is a third imaging unit disposed on the same plane as the display unit.

  As a result, a captured image can be acquired while holding the imaging device in the same direction as in normal use.

  The imaging device according to any one of claims 2 to 4, wherein a face detection unit that detects a human face area from the photographed image, and a region of both eyes from the detected face area. Means for detecting, and means for calculating the distance between both eyes on the image from the detected area of both eyes, and the means for calculating the second distance includes the distance between both eyes on the calculated image and the photographing. The second distance is calculated on the basis of the focal length of the imaging means that images the person.

  Thereby, the second distance can be appropriately calculated.

  The imaging apparatus according to any one of claims 2 to 4, wherein the transmissive touch panel provided on the front surface of the display means includes both eyes of a photographed image displayed on the display means. A touch panel capable of inputting data corresponding to the position of both eyes by touching a portion corresponding to the position, and means for calculating the distance between the eyes on the image based on the data corresponding to the position of both eyes input from the touch panel And the means for calculating the second distance calculates the second distance based on the distance between both eyes on the calculated image and the focal length of the image pickup means that picked up the photographer. To do.

  Thereby, the second distance can be appropriately calculated.

  In the imaging device according to any one of claims 2 to 4, as shown in claim 7, means for displaying an auxiliary line for dividing the photographed image in the horizontal direction and the vertical direction together with the photographed image on the display means, Means for inputting a position corresponding to the position of both eyes of the captured image displayed on the display means in association with the auxiliary line; and means for calculating a distance between the eyes on the image based on the input coordinates. The means for calculating the second distance calculates the second distance on the basis of the distance between both eyes on the calculated image and the focal length of the imaging means for imaging the photographer.

  Thereby, the second distance can be appropriately calculated.

  The imaging apparatus according to any one of claims 1 to 7, wherein the means for calculating the first distance includes a distance between the compound eye imaging means and the closest subject, and the compound eye imaging means. The distance to the farthest subject is calculated.

  Thereby, it is possible to appropriately acquire an optimal stereoscopic image for performing stereoscopic viewing.

  9. The imaging apparatus according to claim 1, wherein the third distance calculating unit calculates the third distance based on a horizontal width of the display unit. It is characterized by doing.

  Thereby, it is possible to appropriately acquire an optimal stereoscopic image for performing stereoscopic viewing.

  In order to achieve the object, a method for controlling an imaging apparatus according to claim 10 includes: a first imaging unit that converts an optical image of a subject received through the first imaging lens into an image signal; Second imaging means for converting an optical image of a subject received through the imaging lens into an image signal, and an interval between the first imaging lens and the second imaging lens is arranged to be changeable. An imaging step of capturing an image with a compound eye imaging unit, a step of calculating a first distance that is a distance between the compound eye imaging unit and a subject, a step of displaying a stereoscopic image generated from a plurality of images on a display unit, Calculating a second distance that is a distance between the photographer and the display means when the photographer visually recognizes the display means; and an optimum of the first imaging lens and the second imaging lens. A third distance, which is an interval, is the first distance A step of calculating based on the distance and the second distance, and when the stereoscopic image generated based on the plurality of images captured by the imaging step is displayed on the display means, the photographer A step of calculating a third distance for obtaining a stereoscopic image that is optimal for stereoscopic viewing, and a distance between the first imaging lens and the second imaging lens is the calculated third distance. And a step of moving at least one of the first imaging lens and the second imaging lens by a moving means.

  According to the present invention, it is possible to acquire an optimal image for a photographer to perform stereoscopic viewing on a stereoscopic image display device.

Perspective view of digital camera 1 The figure which shows an example of the electrical constitution of the digital camera 1 Flow chart showing the lens movement process The figure which shows the distance of the photographer 100 and the digital camera 1 The figure for explaining the pop-out amount and the retract amount in the stereoscopic view Block diagram showing an example of the electrical configuration of the digital camera 1 Flow chart showing the lens movement process The figure which shows a mode that the picked-up image is displayed on the display part 44. FIG. Perspective view of camera-equipped mobile phone 2

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the accompanying drawings.

<First Embodiment>
FIG. 1A is a front perspective view of the digital camera 1 in the present embodiment. As shown in the figure, the housing of the digital camera 1 is formed in a substantially rectangular parallelepiped box shape, and a lens 11 and a lens 21 are provided on the front surface thereof. As described above, the digital camera 1 is a compound-eye digital camera including a plurality of imaging systems, and can capture a stereoscopic image when the same subject is viewed from a plurality of viewpoints (two left and right viewpoints are illustrated in FIG. 1). As will be described later, the digital camera 1 is configured to be able to change the distance A ′ between the lens 11 and the lens 21 (the distance between the center of the lens 11 and the center of the lens 21) A ′.

  FIG. 1B is a rear perspective view of the digital camera 1. As shown in the figure, a display unit 44 is disposed on the back surface of the digital camera 1. The display unit 44 is a lenticular lens type 3D monitor capable of stereoscopically displaying a stereoscopic image, and has a width of W [mm] in the direction in which both eyes are aligned when stereoscopically viewed.

  FIG. 2 is a diagram illustrating an example of the electrical configuration of the digital camera 1. As shown in the figure, the digital camera 1 includes a first imaging optical system 10, a second imaging optical system 20, an imaging signal processing unit 31, a control bus 32, a data bus 33, a memory control unit 36, a main memory 37, a digital Signal processing unit 38, compression / decompression processing unit 39, integration unit 40, external memory control unit 41, recording medium 42, display control unit 43, display unit 44, CPU 45, operation unit 46, face detection processing unit 47, imaging optical system drive It comprises the part 50 grade | etc.,.

  Each unit operates under the control of the CPU 45, and the CPU 45 controls each unit of the digital camera 1 by executing a predetermined control program based on an input from the operation unit 46.

  The digital camera 1 includes a ROM (not shown), and various data necessary for control are recorded in the ROM in addition to a control program executed by the CPU 45. The CPU 45 controls each part of the digital camera 1 by reading the control program recorded in the ROM into the main memory 37 and sequentially executing it.

  The main memory 37 is composed of SDRAM, and is used as a program execution processing area, a temporary storage area for image data, and various work areas.

  The operation unit 46 includes a power button, a shutter release button, a mode switch, a cross key, and the like (not shown), and outputs a signal corresponding to each operation to the CPU 45.

  The first imaging optical system 10 includes a lens 11, a lens driving unit 12, an imaging element 13, and an imaging element driving unit 15. The lens 11 includes a zoom lens, a focus lens, a diaphragm, and a mechanical shutter (not shown). The lens 11 is driven by a lens driving unit 12 to perform zooming, focusing, changing the aperture amount (F value) of the diaphragm, and opening / closing the mechanical shutter.

  The image sensor 13 is disposed at the rear stage of the lens 11 and receives subject light transmitted through the lens 11.

  A large number of light receiving elements (not shown) are two-dimensionally arranged on the light receiving surface of the CCD 13, and red (R), green (G), and blue (B) primary color filters (not shown) are provided corresponding to the light receiving elements. They are arranged in a predetermined arrangement structure. The subject light imaged on the light receiving surface is converted into an electrical signal by each light receiving element and accumulated.

  The electrical signal accumulated in each light receiving element is read out to a vertical transfer path (not shown). The vertical transfer path transfers this signal to the horizontal transfer path (not shown) line by line in synchronization with the clock supplied from the image sensor driving unit 15. Further, the horizontal transfer path outputs the signal for one line transferred from the vertical transfer path to the imaging signal processing unit 31 in synchronization with the clock supplied from the imaging element driving unit 15.

  The output of the image signal is started when the digital camera 1 is set to the shooting mode. In other words, when the digital camera 1 is set to the photographing mode, output of an image signal is started to display a through image on the display unit 44. The output of the image signal for the through image is temporarily stopped when the instruction for the main photographing is given, and is started again when the main photographing is finished. Note that, at the end of the main shooting, the captured image is displayed on the display unit 44 for a predetermined time (postview). The user can confirm whether or not the captured image has been properly captured by confirming the postview.

  The second imaging optical system 20 has the same configuration as that of the first imaging optical system 10. That is, the subject light transmitted through the lens 21 is converted into an electrical signal by each light receiving element of the imaging element 23 and is output to the imaging signal processing unit 31. The above-described through image may be displayed based on the image signal captured by the second imaging optical system 20 or may be captured by the image signal captured by the first imaging optical system 10 and the second imaging optical system 20. The displayed image signal may be displayed in a stereoscopic manner.

  The imaging signal processing unit 31 includes a correlated double sampling circuit (CDS), a clamp processing circuit, an automatic gain control circuit (AGC), and an A / D converter (not shown).

  CDS removes noise contained in an image signal. The clamp processing circuit performs processing for removing dark current components. Further, the AGC amplifies the image signal from which the dark current component is removed with a predetermined gain corresponding to the set photographing sensitivity (ISO sensitivity). The analog image signal subjected to the required signal processing is converted into a digital image signal having a gradation width of a predetermined bit by an A / D converter. This image signal is so-called RAW data, and has a gradation value indicating the density of R, G, and B for each pixel. The digital image signal is stored in the main memory 37 via the data bus 33 and the memory control unit 36.

  In addition to the memory control unit 36, the control bus 32 and the data bus 33 include a digital signal processing unit 38, a compression / decompression processing unit 39, an integration unit 40, an external memory control unit 41, a display control unit 43, a face detection processing unit 47, and the like. Are connected to each other via a data bus 33 based on a control signal of the control bus 32.

  The digital signal processing unit 38 performs predetermined signal processing on the image signals of R, G, and B colors stored in the main memory 37, and an image signal (Y that includes the luminance signal Y and the color difference signals Cr and Cb). / C signal).

  In accordance with a compression command from the CPU 45, the compression / decompression processing unit 39 performs compression processing in a predetermined format (for example, JPEG) on the input image signal (Y / C signal) composed of the luminance signal Y and the color difference signals Cr and Cb. Generate compressed image data. Further, in accordance with a decompression command from the CPU 45, the input compressed image data is subjected to decompression processing in a predetermined format to generate non-compressed image data.

  The accumulating unit 40 takes R, G, and B image signals stored in the main memory 37 in accordance with a command from the CPU 45 and calculates an accumulated value necessary for AE control. The CPU 45 calculates a luminance value from the integrated value and obtains an exposure value from the luminance value. Further, the aperture value and the shutter speed are determined from the exposure value according to a predetermined program diagram.

  The external memory control unit 41 controls reading / writing of data with respect to the recording medium 42 in accordance with a command from the CPU 45. The recording medium 42 may be removable from the main body of the digital camera 1 such as a memory card, or may be built into the main body of the digital camera 1. In the case of detachable, a card slot is provided in the main body of the digital camera 1, and the card slot is used by being loaded.

  The display control unit 43 controls display on the display unit 44 in accordance with a command from the CPU 45. The display unit 44 is a lenticular lens type 3D monitor as described above, and displays images simultaneously captured by the first imaging optical system 10 and the second imaging optical system 20 with directivity alternately in time division. Can be made. Further, the display unit 44 can display a moving image (through image) and use it as an electronic viewfinder, and can display a captured image before recording (postview image), a reproduced image read from the recording medium 42, and the like. Is possible.

  The face detection processing unit 47 detects the face area of the person from the R, G, and B color image signals stored in the main memory 37, and extracts both eye areas from the detected face area.

  The imaging optical system drive unit 50 moves the first imaging optical system 10 and the second imaging optical system 20 within the housing of the digital camera 1 by a moving mechanism (not shown) according to a command from the CPU 45, and the lens 11 and the lens 21. The interval A ′ is changed. Note that the imaging optical system driving unit 50 may change the distance A ′ between the lens 11 and the lens 21 by moving one of the first imaging optical system 10 and the second imaging optical system 20.

  Next, the lens movement process of the digital camera 1 will be described with reference to FIG.

  First, the mode change switch of the operation unit 46 is switched to set the photographer inter-camera distance measurement mode. After setting the mode, the photographer takes a picture of his / her face with the lens 11 facing the user (step S1). This shooting is performed in the first imaging optical system 10, but may be performed in the second imaging optical system 20 with the lens 21 facing itself.

  As shown in FIG. 4A, Z is the distance between the photographer 100 and the digital camera 1 (display unit 44) when the photographer 100 performs stereoscopic viewing using the display unit 44. As shown in FIG. 4B, the user himself / herself in step S1 is performed while holding the digital camera 1 so that the distance between the photographer 100 and the digital camera 1 (lens 11) is the same as Z. .

  The face detection processing unit 47 detects the face of the photographer 100 from the image thus taken. Further, the face detection processing unit 47 detects a distance E ′ on the image between both eyes from the detected face (step S2).

  Here, since the interval E between human eyes is substantially constant, E = 60 mm is set, and the CPU 45 determines the photographer 100 based on E ′ detected as E and the focal length of the lens 11 at the time of photographing. A distance Z between the digital camera 1 and the digital camera 1 is calculated. When the photographer 100 is a child, E may be set to a small value such as 50 mm. Further, the photographer 100 may be configured to be able to input his / her own eye interval.

  In the present embodiment, the photographer 100 calculates the distance Z between the photographer 100 and the digital camera 1 by photographing his / her face, but Z may be measured by a distance sensor, or the photographer 100 May be configured such that the distance Z can be input.

  Next, using a focus lens (not shown), a distance N ′ between the digital camera 1 and the closest subject and a distance F ′ between the digital camera 1 and the farthest subject are calculated (step S3).

  The first imaging optical system 10 and the second imaging optical system 20 can acquire the distance between the digital camera 1 and the subject by the position of a focus lens (not shown) at the time of focusing. Therefore, it is possible to obtain distance information between the digital camera 1 and each subject by searching the focus lens from the closest position to the infinity position. The digital camera 1 does not search one of the focus lens of the lens 11 and the focus lens of the lens 12 from the closest position to the infinity position, but searches one focus lens from the closest position to the infinity position side. The distance F ′ from the digital camera 1 to the farthest subject may be obtained by obtaining the distance N ′ between the digital camera 1 and the closest subject.

  Further, the distance N ′ and the distance F ′ may be measured by a distance sensor.

  Finally, based on these pieces of information, an optimal distance A between the lens 11 and the lens 21 that can capture an image that is optimal for the photographer 100 to stereoscopically view is calculated. Further, the lens 11 and the lens 21 are driven and moved using the imaging optical system driving unit 50 so that the distance A ′ between the lens 11 and the lens 21 becomes the calculated optimum distance A (step S4). Thereafter, by setting the normal shooting mode and shooting, it is possible to obtain an optimal image for the photographer 100 to stereoscopically view.

  Here, the optimum interval A is calculated as follows.

As shown in FIG. 5A, when the photographer 100 visually recognizes 101R and 101L displayed on the display unit 44 in the right eye 100R and the left eye 100L, the subject 101 in the image is a distance B _N more than the display unit 44. It pops out and is stereoscopically viewed. 5B, when the photographer 100 visually recognizes 102R and 102L displayed on the display unit 44 with the right eye 100R and the left eye 100L, the subject 102 in the image is more distant from the display unit 44 by the distance B. Only _{F is} retracted for stereoscopic viewing. Projection amount of the distance _{B N,} referred to as the amount of retraction distance _{B F.}

First, when the allowable maximum value of the pop-out amount of the generated stereoscopic image is N [mm], the parallax d _N [mm] on the display unit 44 at the time of the maximum pop-up is
d _N = NE / (Z−N) (Formula 1)
It is represented by

Similarly, if the allowable maximum value of the amount of retraction of the generated stereoscopic image is F [mm], the parallax d _F [mm] on the display unit 44 at the time of maximum retraction is
d _F = FE / (Z + F) (Formula 2)
It is represented by

Based on the ratio R (= d _N / d _F ) of the parallax d _N at the time of maximum projection and the parallax d _F at the time of maximum retraction, assuming a virtual screen in the shooting scene, the distance from the digital camera 1 to the virtual screen The distance Z ′ [mm] is
Z ′ = (R + 1) / (1 / N ′ + R / F ′) (Formula 3)
It is represented by

The ratio S between the virtual screen width and the actual screen width (the width W of the display unit 44) is:
S = W '/ W
It becomes. Here, W ′ represents the width of the virtual screen.

Using these values, the optimum distance A [mm] is
A = Sd _{N N ′} / (Z′− _{N ′} ) (Formula 4)
Is calculated using

  As described above, the optimal distance between the center of the lens is calculated from the distance between the eyes when viewing the display unit, the distance between the subject and the camera, the focal length at the time of shooting, and the like. By moving the lens in this manner, it is possible to capture an image that is optimal for the photographer to view stereoscopically thereafter.

<Second Embodiment>
FIG. 6 is a block diagram illustrating an example of an electrical configuration of the digital camera 1 according to the second embodiment. In addition, the same code | symbol is attached | subjected to the part which is common in the block diagram of FIG. 2, and the detailed description is abbreviate | omitted.

  The difference from the first embodiment shown in FIG. 2 is that a touch panel 48 is provided instead of the face detection processing unit 47. The touch panel 48 is made of, for example, glass, plastic, or the like, and is provided on the substrate body having light transmittance, the surface detection electrode having light transmittance on the substrate body, and the position detection electrode. It is a capacitive touch panel which has an insulating layer formed. The touch panel 48 is disposed in front of the display unit 44, and the display unit 44 can be used as a user interface display screen using the touch panel 48.

  FIG. 7 is a flowchart illustrating lens movement processing according to the second embodiment. In addition, the same code | symbol is attached | subjected to the part which is common in the flowchart of FIG. 3, and the detailed description is abbreviate | omitted.

  First, the mode change switch of the operation unit 46 is switched to set the photographer inter-camera distance measurement mode. After setting the mode, the photographer takes a picture of his / her face with the lens 11 and the lens 21 facing each other (step S11). As in the first embodiment, as shown in FIG. 4B, this shooting is performed so that the distance between the lens 11 and the face of the photographer 100 is the same as Z shown in FIG. This is performed while holding the digital camera 1.

  Next, the CPU 45 displays the captured image on the display unit 44 via the display control unit 43 (step S12). FIG. 8A is a diagram illustrating a state in which a captured image is displayed on the display unit 44.

  The photographer designates the positions of both eyes of the displayed photographed image (step S13). To specify the positions of both eyes, as shown in FIG. 8A, the positions of the eyes in the image displayed on the display unit 44 are pressed by pressing the touch panel 48 with a touch pen 49 or a finger.

  The CPU 45 detects the position of both eyes in the captured image in accordance with the input from the touch panel 48 and calculates a distance E ′ on the image between the eyes.

  As shown in FIG. 8B, the positions of both eyes of the photographer 100 in the photographed image are displayed on the display unit 44 as squares (auxiliary lines) for dividing the photographed image into a plurality of coordinates. You may specify by inputting. Furthermore, a cursor corresponding to the grid may be displayed and designated by moving the cursor. In these cases, the CPU 45 calculates a distance E ′ on the image between the eyes using the designated distance between the cells.

  Further, using a focus lens (not shown), the distance N ′ between the digital camera 1 and the closest subject and the distance F ′ between the digital camera 1 and the farthest subject are calculated (step S3).

  Next, based on these pieces of information, an optimal distance A between the lens 11 and the lens 21 that can capture an image optimal for the photographer 100 to stereoscopically view is calculated. Further, the lens 11 and the lens 21 are driven and moved using the imaging optical system driving unit 50 so that the distance A ′ between the lens 11 and the lens 21 becomes the calculated optimum distance A (step S4). What is necessary is just to calculate the optimal space | interval A similarly to 1st Embodiment.

  Finally, the lens is moved by calculation from the selected positions of both eyes (step S14).

  As described above, even if the face detection processing unit 47 is not provided, the photographer 100 and the digital camera 1 can be specified by specifying the positions of both eyes using the grids provided on the touch panel 48 or the display unit 44. The distance Z can be calculated, and the optimum distance A can be calculated using this distance Z.

<Third Embodiment>
Next, a third embodiment will be described. In the following description, the description of the same configuration as that of the first embodiment is omitted.

  FIG. 9A is a front perspective view of the camera-equipped mobile phone 2 in the present embodiment. As shown in the figure, a lens 201 and a lens 202 are provided on the front surface of the camera-equipped mobile phone 2. Thus, the camera-equipped mobile phone 2 has a stereoscopic shooting function including a plurality of imaging systems, and can capture a stereoscopic image of the same subject viewed from a plurality of viewpoints. Similarly to the digital camera 1 of the first embodiment, the camera-equipped mobile phone 2 is configured to be able to change the interval A ′ between the lens 201 and the lens 202.

  FIG. 9B is a rear perspective view of the camera-equipped mobile phone 2. As shown in the figure, a display unit 204 is disposed on the back of the camera-equipped mobile phone 2. Similar to the digital camera 1 of the first embodiment, the display unit 204 is a lenticular lens type 3D monitor capable of stereoscopically displaying a stereoscopic image, and has a horizontal width (a direction in which both eyes line up when stereoscopically viewing). ) Is W [mm]. A touch panel may be disposed on the front surface of the display unit 204.

  A lens 203 is provided on the same plane as the display unit 204 of the housing of the camera-equipped mobile phone 2. Similarly to the lens 201 and the lens 202, the lens 203 includes an imaging optical system (not shown) so that an image can be taken.

  Since the lens is provided in the same direction as the display unit 204 of the housing of the camera-equipped mobile phone 2 (opposite direction to the lens 201 and the lens 202), the camera is set to the photographer inter-camera distance measurement mode. You don't have to change your mobile phone 2 and you can shoot yourself.

  In the camera-equipped mobile phone 2 configured as described above, it is possible to obtain an optimal stereoscopic image for the photographer 100 to perform stereoscopic viewing.

  DESCRIPTION OF SYMBOLS 1 ... Digital camera, 2 ... Camera-equipped mobile phone, 10 ... 1st imaging optical system, 11, 21, 201, 202, 203 ... Lens, 20 ... 2nd imaging optical system, 31 ... Imaging signal processing part, 38 ... Digital Signal processing unit 43 ... Display control unit 44, 204 ... Display unit, 45 ... CPU, 46 ... Operation unit, 47 ... Face detection processing unit, 48 ... Touch panel, 50 ... Imaging optical system drive unit, 100 ... Photographer

Claims (10)

A first imaging unit that converts an optical image of a subject received through the first imaging lens into an image signal, and a second that converts an optical image of the subject received through the second imaging lens into an image signal. A compound-eye imaging unit that includes an imaging unit and is arranged so that an interval between the first imaging lens and the second imaging lens can be changed.
Means for calculating a first distance which is a distance between the compound eye imaging means and the subject;
Display means for displaying a stereoscopic image generated from a plurality of images;
Means for calculating a second distance that is a distance between the photographer and the display means when the photographer visually recognizes the display means;
Means for calculating a third distance, which is an optimum distance between the first imaging lens and the second imaging lens, based on the first distance and the second distance, the compound eye imaging means; When the stereoscopic image generated based on the plurality of images captured by the camera is displayed on the display unit, a third distance for calculating the optimal stereoscopic image for the photographer to stereoscopically view is calculated. Means,
Movement that moves at least one of the first imaging lens and the second imaging lens so that the distance between the first imaging lens and the second imaging lens is equal to the calculated third distance. Means,
An imaging apparatus comprising:   The means for calculating the second distance is a photographed image in which the photographer's face is a subject, and the distance between the photographing means for photographing the photographer and the photographer is the same distance as the second distance. The imaging apparatus according to claim 1, wherein the second distance is calculated based on a captured image.   The imaging apparatus according to claim 2, wherein the captured image is an image captured by any one of the first imaging unit and the second imaging unit.   The imaging apparatus according to claim 2, wherein the captured image is third imaging means arranged on the same plane as the display means. Face detection means for detecting a human face region from the captured image;
Means for detecting a region of both eyes from the detected region of the face;
Means for calculating the distance between the eyes on the image from the detected area of both eyes,
The means for calculating the second distance calculates the second distance based on a distance between both eyes on the calculated image and a focal length of an image pickup means for picking up the photographer. 5. The imaging device according to any one of 4 to 4. A transmissive touch panel provided on the front surface of the display means, wherein the touch panel can input data corresponding to the positions of both eyes by touching a portion corresponding to the positions of both eyes of the captured image displayed on the display means. When,
Means for calculating the distance between the eyes on the image based on the data corresponding to the positions of both eyes input from the touch panel,
The means for calculating the second distance calculates the second distance based on a distance between both eyes on the calculated image and a focal length of an image pickup means for picking up the photographer. 5. The imaging device according to any one of 4 to 4. Means for displaying an auxiliary line for dividing the photographed image in the horizontal and vertical directions together with the photographed image on the display means;
Means for inputting a position corresponding to the position of both eyes of the captured image displayed on the display means in association with the auxiliary line;
Means for calculating a distance between both eyes on the image based on the input coordinates,
The means for calculating the second distance calculates the second distance based on a distance between both eyes on the calculated image and a focal length of an image pickup means for picking up the photographer. 5. The imaging device according to any one of 4 to 4.   The means for calculating the first distance calculates a distance between the compound eye imaging unit and the closest subject and a distance between the compound eye imaging unit and the farthest subject. The imaging device described in 1.   9. The imaging apparatus according to claim 1, wherein the means for calculating the third distance calculates the third distance based on a horizontal width of the display means. A first imaging unit that converts an optical image of a subject received through the first imaging lens into an image signal, and a second that converts an optical image of the subject received through the second imaging lens into an image signal. An imaging step of imaging an image by a compound eye imaging unit that includes an imaging unit, and an interval between the first imaging lens and the second imaging lens can be changed, and
Calculating a first distance that is a distance between the compound eye imaging means and a subject;
Displaying a stereoscopic image generated from a plurality of images on a display means;
Calculating a second distance that is a distance between the photographer and the display means when the photographer visually recognizes the display means;
A step of calculating a third distance, which is an optimum distance between the first imaging lens and the second imaging lens, based on the first distance and the second distance, wherein the imaging step Calculating a third distance for a stereoscopic image generated based on a plurality of captured images to be an optimal stereoscopic image for the photographer to stereoscopically view when displayed on the display means; When,
At least one of the first imaging lens and the second imaging lens is moved by moving means so that the distance between the first imaging lens and the second imaging lens is the calculated third distance. A moving process;
An image pickup apparatus control method comprising:

Images