JP2007037168A - Electronic camera and image recording and reproducing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a function of recording the information on position, direction, etc. when photographing together with the image information and of outputting these information, when reproducing the image. <P>SOLUTION: The electronic camera includes an image information processing system which consists of an image signal inputting means 401, having a structure including a CCD, etc., an image signal recording and reproducing means 402 such as a microcomputer, an image signal storage device 403 such as a RAM, an image signal outputting means 404 such as a liquid crystal panel, etc. and an image accessory information processing system which consists of a positional information input means 409, such as a GPS antenna, a directional information input means 410, such as a magnetic directional device, an image accessory information storing and controlling device 406 such as a microcomputer, an image accessory information storage device 407 such as a RAM. At recording, image accessory information, such as the position, direction is stored together with the image information. At reproducing, however the image information is output together with the image accessory information, since an instruction input means 405 controls the image information processing system together with the image accessory information processing system. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electronic camera and an image recording / reproducing method for converting an optical image into an electric signal for recording and storing.

  When trying to process a subject of an image after shooting, information regarding the situation of shooting the image is often important. For example, when you want to know a certain subject in detail later, it is thought that the information on where and where the image was taken is the most important.

  However, conventionally, an image recording / reproducing apparatus such as an electronic camera that converts an optical image into an electrical signal for recording and recording records information such as a photographing position, a photographing direction, or a photographing inclination at the time of photographing together with the information at the time of reproducing the image. Since there was no function for outputting such information, it was necessary to manage the information using another means.

  In view of such a point, an object of the present invention is to record an information such as a photographing position or a photographing orientation or a photographing inclination at the time of photographing, and to output the information together with the reproduction of the image and an image. It is to propose a recording / reproducing method.

  In order to solve the above-mentioned problems, the first invention is an electronic camera, which is an imaging input means for inputting an image signal obtained by converting an optical image captured from the front side, shooting position information indicating a shooting position, shooting direction The image supplementary information is acquired as image supplementary information, and the image supplementary information that superimposes the acquired image supplementary information on the image signal input from the imaging input means Superimposing means; storage means for storing the image signal on which the image supplementary information from the image supplementary information superimposing means is superimposed by the photographing command; and image signal reproducing means for reading out the image signal stored in the storage means by the reproduction command. An image signal output means for outputting an image signal read by the image signal reproduction means, and an image for extracting image supplementary information from the image signal read by the image signal reproduction means. Ancillary information extraction means, an image ancillary information output means for outputting the image ancillary information extracted by the image ancillary information extraction means, and an output from the image signal output means or the image ancillary information output means at the back of the electronic camera An electronic camera comprising display means for displaying.

  Note that the image supplementary information superimposing means superimposes the image supplementary information by superimposing the image supplementary information on the image signal as if it is a noise, or displaying the image supplementary information in a predetermined area of the effective screen of the image signal. It is preferable to superimpose by writing.

  In addition, the above-described electronic camera preferably includes a GPS antenna and a decoder in order to acquire position information.

  Further, the second invention is an imaging input step for inputting an image signal obtained by converting an optical image captured from the front side, shooting position information indicating a shooting position, shooting direction information indicating a shooting direction, and inclination of the apparatus at the time of shooting. Is acquired as image supplementary information, and the image supplementary information superimposing step for superimposing the acquired image supplementary information on the image signal input from the imaging input step and the imaging command is used to superimpose the image supplementary information. A storage step for storing the image signal on which the image supplementary information from the step is superimposed, an image signal reproduction step for reading out the image signal stored in the storage step by a reproduction command, and an image signal read out by the image signal reproduction step An image signal output step for outputting the image and an image for extracting the image supplementary information from the image signal read by the image signal reproduction step. Attached information extraction step, an image accompanying information output step for outputting the image accompanying information extracted by the image accompanying information extraction step, and an image signal output step or an image accompanying information output on the display means provided on the back part of the electronic camera And a display step for displaying an output from the step.

  According to the present invention, it is possible to realize an electronic camera that can record information such as a photographing position, a photographing orientation, or a photographing inclination at the time of photographing, and can output such information together with the reproduction of an image.

  According to the present invention, it is possible to eliminate inconvenience that information related to an image, that is, image supplementary information, must be managed separately from the image.

  Hereinafter, preferred embodiments of an electronic camera according to the present invention will be described in detail with reference to the drawings.

  Hereinafter, in describing embodiments of the present invention, specific examples are described for each means or electronic camera of the invention described in the scope of claims. It goes without saying that it is not meant to be limited to the specific examples described. It is obvious that the present invention can be realized using any of these means or any other method having the same function as the electronic camera.

  In this specification, an image formed through a lens or the like is referred to as an optical image. An electrical signal obtained by converting an optical image is denoted as an image signal. However, the image signal includes a signal obtained by superimposing image supplementary information on the image signal.

  Further, in this specification, information indicating a single place on the earth is denoted as position information. In addition, information indicating an angle obtained by projecting the photographing direction of the electronic camera onto a plane parallel to the ground surface is denoted as azimuth information. In addition, information indicating the angle at which the photographing direction of the electronic camera is projected onto a plane perpendicular to the ground surface is denoted as inclination information. In addition, when all or any of the position information, the azimuth information, and the gradient information is indicated, it is marked as image supplementary information.

  FIG. 1 is a block diagram of an electronic camera to which the present invention is applied.

  The image signal input unit 101 converts the input optical image into an image signal and supplies the image signal to the image signal recording / reproducing unit 102. A specific example of the image signal input means is a device composed of a CCD and its peripheral circuits.

  The image signal recording / reproducing means 102 writes the image signal input from the image signal input means 101 into the image signal storage device 103 by the photographing command from the command input means 105 or by the reproduction command from the command input means 105. An image signal is read from the signal storage device 103 and supplied to the image signal output means 104. Examples of the image signal recording / reproducing means include a microcomputer and a DSP (Digital Signal Processor).

  The image signal storage device 103 stores the image signal supplied from the image signal recording / reproducing unit 102 or supplies the stored image signal to the image signal recording / reproducing unit 102. Specific examples of the image signal storage device 103 include an electronic recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image signal output unit 104 outputs the image signal supplied from the image signal recording / reproducing unit 102. Specific examples of the image signal output means 104 include a standard interface such as a video signal output terminal and an image output device such as a liquid crystal panel.

  The command input means 105 gives a shooting command or a playback command to the image signal recording / playback means 102 and the image-accompanying information converter 106 at the same time. Specific examples of the command input means 105 include operators (operation keys, operation buttons).

  The position information input means 109 acquires position information at the time of shooting and supplies it to the image supplementary information storage control device 106. Specific examples of the position information input unit 109 include a GPS (Global Positioning System) antenna and a decoder.

  If there is a shooting command from the command input means 105, the image supplementary information storage control device 106 writes the position information from the position information input means 109 into the image supplementary information storage device 107, or a reproduction command from the command input means 105. If there is, the position information is read from the image supplementary information storage device 107 and supplied to the image supplementary information output means 108. A specific example of the image supplementary information storage control device 106 is a microcomputer.

  The image supplementary signal storage device 107 stores the image supplementary signal supplied from the image supplementary information storage control device 106 or supplies the stored image supplementary signal to the image supplementary information storage control device 106. Specific examples of the image-accompanying signal storage device 107 include a recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image supplementary information output unit 108 outputs the position information supplied from the image supplementary information storage control device 106. Specific examples of the image supplementary information output means 108 include a character information output device including a serial interface, a liquid crystal panel, and a character generator.

  Next, a processing procedure performed by the electronic camera will be described with reference to the flowchart of FIG.

  In S201, it is determined whether or not a shooting command has been input. If it has been input, the process proceeds to S202, and if not, the process proceeds to S204.

  In S202, an image signal is input from the image input means, written in the image signal storage device, and the process proceeds to S203.

  In S203, the position information is acquired from the position information input means, the position information is written in the image supplementary information storage device, and the process proceeds to S204.

  In S204, it is determined whether or not a reproduction command is input. If it is input, the process proceeds to S205, and if not input, the process returns to S201.

  In S205, the image signal is read from the image signal storage device and output from the image signal output means.

  In S203, position information is read from the image supplementary information storage device, output from the image supplementary information output means, and the process returns to S201.

  According to this processing procedure, it is possible to store the location information of the shooting location as image supplementary information at the time of shooting, and to output the image supplementary information, that is, the position information when reproducing the shot image.

  An electronic camera can be realized by combining the means, apparatus, and processing procedure shown above.

  FIG. 3 is a schematic view of an electronic camera to which the present invention is applied.

  By applying the present invention, the electronic camera 301 includes a GPS antenna 302 serving as a position input unit, and can acquire a shooting position by receiving a signal from the GPS artificial satellite 305.

  The electronic camera 301 also includes an image signal output liquid crystal monitor 303 as image signal output means, and a position information output character display liquid crystal panel 304 as image supplementary information output means.

  Therefore, the position information acquired by the GPS antenna 302 is stored together with the image signal at the time of photographing, and the position information of the image is displayed on the character display liquid crystal panel 304 while being displayed on the liquid crystal monitor 303 at the time of reproduction. It is.

  The electronic camera described above records and reproduces position information together with an image signal, so that a place where a certain image is taken can be specified. However, the position information alone can only be known to have been taken at that location.

  Therefore, an electronic camera having a function of recording and reproducing the direction information together as information for knowing more in detail about the shooting location of certain image information is preferable.

  FIG. 4 is a block diagram of an electronic camera to which the present invention is applied.

  The image signal input unit 401 converts the input optical image into an image signal and supplies the image signal to the image signal recording / reproducing unit 402. A specific example of the image signal input means is a device composed of a CCD and its peripheral circuits.

  The image signal recording / reproducing means 402 writes the image signal input from the image signal input means 401 into the image signal storage device 403 by the photographing command from the command input means 405 or the image signal by the reproduction command from the command input means 405. An image signal is read from the signal storage device 403 and supplied to the image signal output means 404. Examples of the image signal recording / reproducing means include a microcomputer and a DSP.

  The image signal storage device 403 stores the image signal supplied from the image signal recording / reproducing unit 402 or supplies the stored image signal to the image signal recording / reproducing unit 402. Specific examples of the image signal storage device 403 include an electronic recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image signal output unit 404 outputs the image signal supplied from the image signal recording / reproducing unit 402. Specific examples of the image signal output means 404 include a standard interface such as a video signal output terminal and an image output device such as a liquid crystal panel.

  The command input unit 405 gives a shooting command or a playback command to the image signal recording / playback unit 402 and the image supplementary information converter 406 at the same time. Specific examples of the command input means 405 include operators (operation keys, operation buttons).

  The position information input unit 409 acquires position information at the time of shooting and supplies it to the image supplementary information storage control device 406. Specific examples of the position information input unit 409 include a GPS (Global Positioning System) antenna and a decoder.

  The azimuth information input means 410 acquires azimuth information at the time of shooting and supplies it to the image supplementary information storage control device 406. A specific example of the azimuth information input means 410 is a magnetic azimuth device that knows the azimuth by sensing geomagnetism.

  The image supplementary information storage control device 406 writes the position information from the positional information input unit 409 and the orientation information from the orientation information input unit 410 to the image supplementary information storage device 407 when there is a photographing command from the command input unit 405. Alternatively, when there is a reproduction command from the command input unit 405, the position information and the direction information are read from the image supplementary information storage device 407 and supplied to the image supplementary information output unit 408. A specific example of the image supplementary information storage control device 406 is a microcomputer.

  The image supplementary signal storage device 407 stores the image supplementary signal supplied from the image supplementary information storage control device 406 or supplies the stored image supplementary signal to the image supplementary information storage control device 406. Specific examples of the image-accompanying signal storage device 407 include an electronic recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image supplementary information output means 408 outputs position information and azimuth information supplied from the image supplementary information storage control device 406. Specific examples of the image supplementary information output means 408 include a character information output device including a serial interface, a liquid crystal panel, and a character generator.

  By using the electronic camera described above, it is possible to store the location information and orientation information of the shooting location as image supplementary information at the time of shooting, and to output the image supplementary information together when reproducing the shot image. Is possible.

  The above-described electronic camera is an apparatus having a function of recording and reproducing the inclination information as information for further knowing the shooting location of certain image information.

  FIG. 5 is a block diagram of an electronic camera to which the present invention is applied.

  The image signal input unit 501 converts the input optical image into an image signal and supplies it to the image signal recording / reproducing unit 502. A specific example of the image signal input means is a device composed of a CCD and its peripheral circuits.

  The image signal recording / reproducing means 502 writes the image signal input from the image signal input means 501 into the image signal storage device 503 by the photographing command from the command input means 505 or the image signal by the reproduction command from the command input means 505. The image signal is read from the signal storage device 503 and supplied to the image signal output means 504. Examples of the image signal recording / reproducing means include a microcomputer and a DSP.

  The image signal storage device 503 stores the image signal supplied from the image signal recording / reproducing unit 502 or supplies the stored image signal to the image signal recording / reproducing unit 502. Specific examples of the image signal storage device 503 include an electronic recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image signal output unit 504 outputs the image signal supplied from the image signal recording / reproducing unit 502. Specific examples of the image signal output means 504 include a standard interface such as a video signal output terminal and an image output device such as a liquid crystal panel.

  The command input unit 505 gives a shooting command or a playback command to the image signal recording / playback unit 502 and the image supplementary information converter 506 at the same time. Specific examples of the command input means 505 include operators (operation keys, operation buttons).

  The position information input unit 509 acquires position information at the time of shooting and supplies it to the image supplementary information storage control device 506. Specific examples of the position information input unit 509 include a GPS (Global Positioning System) antenna and a decoder.

  The azimuth information input means 510 acquires azimuth information at the time of shooting and supplies it to the image supplementary information storage control device 506. A specific example of the azimuth information input means 510 is a magnetic azimuth device that knows the azimuth by sensing geomagnetism.

  The gradient information input unit 511 acquires gradient information at the time of shooting and supplies it to the image supplementary information storage control device 506. A specific example of the inclination information input unit 510 is an inclination sensing device.

  If there is a shooting command from the command input unit 505, the image-accompanying information storage control device 506 can detect the position information from the position information input unit 509, the azimuth information from the azimuth information input unit 510, and the gradient information from the gradient information input unit 511. Is read into the image supplementary information storage device 507, or if there is a reproduction command from the command input means 505, the position information, the azimuth information, and the gradient information are read from the image supplementary information storage device 507 and sent to the image supplementary information output means 508. Supply. A specific example of the image supplementary information storage control device 506 is a microcomputer.

  The image supplementary signal storage device 507 stores the image supplementary signal supplied from the image supplementary information storage control device 506 or supplies the stored image supplementary signal to the image supplementary information storage control device 506. Specific examples of the image-accompanying signal storage device 507 include an electronic recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image supplementary information output unit 508 outputs position information and orientation information supplied from the image supplementary information storage control device 506. Specific examples of the image supplementary information output means 508 include a character information output device including a serial interface, a liquid crystal panel, and a character generator.

  If the electronic camera shown above is used, the location information, orientation information, and inclination information of the shooting location are stored as image supplementary information at the time of photographing, and the image supplementary information is also output when the photographed image is reproduced. Is possible.

  In the description and examples so far, the image information and the image supplementary information are stored separately in the storage device, but it is obvious that it is convenient to handle them together as much as possible.

  In particular, when the image information storage device that stores the image information and the image supplementary information storage device that stores the image supplementary information are removable devices such as optical disks and magnetic tapes, the effect of being able to handle both together is remarkable. It is.

  As the method, there is a method in which the image information and the image supplementary information are stored in the same storage device, that is, the image signal storage device and the image supplementary signal storage device are shared by one storage device.

  When both storage devices are removable devices, it is obvious that it is easier to handle both storage devices in the same housing.

  Furthermore, in the description and examples so far, image information and image supplementary information have been handled separately, but if the image supplementary information can be embedded in the image information, both can be treated as one physically. Is possible. That is, the image supplementary information is superimposed on the image signal.

  As a method of superimposing, such as a method of superimposing so that it is not noticeable as a viewer like a method of placing it as thin as a whole, or a method of writing information in a predetermined area of the effective screen, There is a method of positively placing it on an image signal, but it goes without saying that the effect does not change when any method is used.

  FIG. 6 is a block diagram of an electronic camera to which the present invention is applied, wherein image supplementary information is superimposed on an image signal, and the signal is recorded and reproduced by an image signal storage device.

  The image signal input unit 601 converts the input optical image into an image signal and supplies it to the image supplementary information superimposing unit 602. A specific example of the image signal input means is a device composed of a CCD and its peripheral circuits.

  The image supplementary information superimposing unit 602 superimposes the image supplementary information input from the image supplementary information conversion device 608 on the image signal input from the image signal input unit 601, and supplies it to the image signal recording / reproducing unit 603. A specific example of the superimposing method is a spread spectrum method.

  The image signal recording / reproducing means 603 writes the image signal input from the image supplementary signal superimposing means 602 into the image signal storage device 604 by a photographing command from the command input means 607 or by a reproduction command from the command input means 607. The image signal is read from the image signal storage device 604 and supplied to the image signal output means 605 and the image supplementary signal extraction means 606. Examples of the image signal recording / reproducing means include a microcomputer and a DSP.

  The image signal storage device 604 stores the image signal supplied from the image signal recording / reproducing unit 603 or supplies the stored image signal to the image signal recording / reproducing unit 603. Specific examples of the image signal storage device 604 include an electronic recording medium such as a RAM, a magnetic tape, a magnetic disk, and an optical disk.

  The image signal output unit 605 outputs the image signal supplied from the image signal recording / reproducing unit 603. Specific examples of the image signal output means 605 include a standard interface such as a video signal output terminal and an image output device such as a liquid crystal panel.

  The command input unit 607 gives a shooting command or a playback command to the image signal recording / playback unit 603. Specific examples of the command input means 608 include operation elements (operation keys, operation buttons).

  The position information input unit 609 acquires position information at the time of shooting and supplies it to the image supplementary information control device 608. Specific examples of the position information input unit 609 include a GPS (Global Positioning System) antenna and a decoder.

  The azimuth information input means 610 acquires azimuth information at the time of shooting and supplies it to the image supplementary information control device 608. As a specific example of the azimuth information input means 610, a magnetic azimuth device that knows the azimuth by sensing geomagnetism can be cited.

  The gradient information input unit 611 acquires gradient information at the time of shooting and supplies it to the image supplementary information control device 608. A specific example of the inclination information input unit 610 is an inclination sensing device.

  The image supplementary information control device 608 supplies the positional information from the positional information input means 609, the orientation information from the orientation information input means 610, and the inclination information from the inclination information input means 611 to the image supplementary information superimposing means 602. A specific example of the image supplementary information control device 608 is a microcomputer.

  The image supplementary signal extraction unit 606 extracts the image supplementary information superimposed on the image signal and supplies it to the image supplementary information output unit 612. A specific example of the image-accompanying signal extraction unit 606 is a DSP.

  The image supplementary information output unit 612 outputs the position information and orientation information supplied from the image supplementary information extraction unit 606. Specific examples of the image supplementary information output unit 612 include a character information output device including a serial interface, a liquid crystal panel, and a character generator.

  By using the electronic camera described above, it is possible to superimpose the image supplementary information at the time of shooting on the image signal and to record and reproduce it in the image signal storage device. The image storage device and the image supplementary information storage device are separately provided. There is no need to think about it.

  In the above description and examples, the present invention is applied to a still image recording / reproducing apparatus. However, it goes without saying that the same effect can be obtained even if the present invention is applied to a moving image recording / reproducing apparatus. Yes.

  Further, in the description and examples so far, information on the image, that is, image supplementary information, information on the shooting location, that is, position information, orientation information, or gradient information is treated, but any other information such as aperture value, zoom ratio, It goes without saying that the same effect can be obtained by the present invention even if information relating to a photographing method such as shutter speed is handled.

It is a block diagram of the electronic camera provided with the positional information input means by this invention. It is an example of the process flowchart of an electronic camera by this invention. It is the schematic of the electronic camera by this invention. It is a block diagram of the electronic camera provided with the positional information input means and the azimuth | direction information input means by this invention. It is a block diagram of the electronic camera provided with the positional information input means, the azimuth | direction information input means, and the inclination information input means by this invention. It is a block diagram of the electronic camera which superimposes image supplementary information on an image signal by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 ... Image signal input means 102 ... Image signal recording / reproducing means 103 ... Image signal recording device 104 ... Image signal output means 105 ... Command input means 106 ... Image supplementary information storage control device 107 ... Image supplementary information storage device 108 ... Image supplementary information Output means 109 ... Position information input means 201 ... Acoustic signal input means 202 ... BPF
DESCRIPTION OF SYMBOLS 203 ... A / D converter 204 ... Signal conversion means 205 ... Sound control signal control signal corresponding | compatible memory device 301 ... Electronic camera 302 ... GPS antenna 303 ... Liquid crystal monitor for image output 304 ... Character liquid crystal panel for image incidental information output 305 ... For GPS Artificial satellite 401 ... Image signal input means 402 ... Image signal recording / reproducing means 403 ... Image signal recording apparatus 404 ... Image signal output means 405 ... Command input means 406 ... Image supplementary information storage controller 407 ... Image supplementary information storage apparatus 408 ... Image Attached information output means 409 ... Position information input means 410 ... Direction information input means 501 ... Image signal input means 502 ... Image signal recording / reproducing means 503 ... Image signal recording device 504 ... Image signal output means 505 ... Command input means 506 ... Image accompanying means Information storage control device 507... 508 ... Image supplementary information output means 509 ... Position information input means 510 ... Direction information input means 511 ... Gradient information input means 601 ... Image signal input means 602 ... Image supplementary information superimposing means 603 ... Image signal recording / reproducing means 604 ... Image signal Recording device 605 ... Image signal output means 606 ... Image supplementary information extraction means 607 ... Command input means 608 ... Image supplementary information control apparatus 609 ... Position information input means 610 ... Direction information input means 611 ... Gradient information input means

Claims (4)

An electronic camera,
Imaging input means for inputting an image signal obtained by converting an optical image captured from the front side;
Any one of the shooting position information indicating the shooting position, the shooting direction information indicating the shooting direction, and the inclination information indicating the tilt of the apparatus at the time of shooting is acquired as the image auxiliary information, and the acquired image auxiliary information is acquired by the imaging input unit. Image supplementary information superimposing means for superimposing on the image signal input from
Storage means for storing an image signal in which the image supplementary information from the image supplementary information superimposing means is superimposed by a photographing command;
Image signal reproduction means for reading out the image signal stored in the storage means by a reproduction command;
Image signal output means for outputting the image signal read by the image signal reproducing means;
Image supplementary information extracting means for extracting image supplementary information from the image signal read out by the image signal reproducing means;
Image supplementary information output means for outputting the image supplementary information extracted by the image supplementary information extraction means;
An electronic camera comprising a display unit on a rear surface of the electronic camera, the display unit displaying an output from the image signal output unit or the image supplementary information output unit.   The image supplementary information superimposing means superimposes the image supplementary information by superimposing the image supplementary information on the image signal in a thin noise manner, or the image supplementary information in a predetermined area of the effective screen of the image signal. The electronic camera according to claim 1, wherein the electronic camera is superimposed by writing.   The electronic camera according to claim 1, further comprising a GPS antenna and a decoder for acquiring the position information. An imaging input step for inputting an image signal obtained by converting an optical image captured from the front side;
Any one of the shooting position information indicating the shooting position, the shooting direction information indicating the shooting direction, and the inclination information indicating the inclination of the apparatus at the time of shooting is acquired as image supplementary information, and the acquired image supplementary information is the imaging input step. An image supplementary information superimposing step for superimposing on the image signal input from
A storage step of storing an image signal on which the image supplementary information from the image supplementary information superimposing step is superimposed by a photographing command;
An image signal reproduction step of reading out the image signal stored in the storage step by a reproduction command;
An image signal output step for outputting the image signal read out in the image signal reproduction step;
An image supplementary information extracting step for extracting image supplementary information from the image signal read out by the image signal reproducing step;
An image supplementary information output step for outputting the image supplementary information extracted by the image supplementary information extraction step;
An image recording / reproducing method, comprising: a display unit provided on a back surface of the electronic camera; and a display step of displaying an output from the image signal output step or the image supplementary information output step.

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