JP5811398B2 - Display device, photographing device, image storage device, display control method, image storage method, and program - Google Patents

Description

The present invention detects a current position at the time of shooting, adds a position information indicating the detected current position to image data of a shot image, and stores the display device, an image storage device, a shooting device, a display control method , and an image storage It relates to a method and a program.

  2. Description of the Related Art Conventionally, a photographing apparatus that includes a GPS (Global Positioning System) and stores the position of the photographing apparatus detected by the GPS at the time of photographing as image position information in addition to the image data of the photographed image has been put into practical use. . Further, there has been proposed an imaging device that stores map data, displays a map based on the map data, and displays an imaging point on the map based on the position information (for example, Patent Document 1).

JP 2003-92718 A

  Nowadays, as a memory card becomes cheaper, a single user owns a plurality of memory cards, and one memory card selected from the plurality of memory cards is used by being mounted on the photographing apparatus main body. However, conventionally, image data to which the position information is added is stored in a memory card attached to the main body of the photographing apparatus, and the position information is read out together with the image data from the memory card, and the photographing point is displayed on the map. When the image data is moved from the memory card attached to the camera body to another storage medium, the image data is lost from the memory card. As a result, the shooting point is displayed on the map based on the position information. Cannot be displayed.

  Similarly, when the memory card held in the photographing apparatus main body is replaced with another memory card, image data cannot be read from the removed previous memory card. Therefore, it becomes impossible to display the shooting point on the map based on the position information of the image data stored in the conventional memory card.

  In other words, in the conventional technology, the control for displaying the shooting location etc. on the map depends only on the image data stored in the memory card currently mounted on the imaging apparatus body, and is mounted on the imaging apparatus body. It is impossible to perform control based on image data stored in another memory card. If one user owns a plurality of memory cards, the image data stored in the plurality of memory cards cannot be managed in a unified manner.

The present invention has been made in view of such conventional problems, and control based on position information is performed even when there is a change such as a reduction in image data from a removable storage medium or a change in the storage medium itself. It is an object of the present invention to provide a display device, an image storage device, a photographing device, a display control method , an image storage method, and a program that can be enabled.

In order to solve the above problems, a display device according to the present invention is detachably held in an apparatus main body, and stores a plurality of image data, and a second storage means fixedly provided in the apparatus main body. And the reduced image data stored in the second storage means and the image data stored in the first storage means are compared, and reduced image data corresponding to the image data is stored. First determination means for determining whether or not there is, second determination means for determining whether or not position information is added to the image data stored in the first storage means, and the first Based on the image data that has not been stored in the second storage unit by the determination unit and has been determined that the position information has been added by the second determination unit, the reduction is smaller in size than the image data. Image data Reduced data acquisition means for acquiring image data; and first storage control means for storing reduced image data acquired by the reduced data acquisition means in the second storage means together with the position information. To do.
In order to solve the above problems, an image storage device of the present invention includes a first storage unit fixedly provided in the apparatus main body and a second storage that is detachably held in the apparatus main body and stores image data. The position information is stored in the first determination means for determining whether the image data stored in the means is stored in the first storage means, and in the image data stored in the second storage means. A second judging means for judging whether or not the information is added; the first judging means is not stored in the first storage means, and the second judging means is added with position information. Storage control means for storing the image data stored in the second storage means determined to be stored in the first storage means together with the position information.

  According to the present invention, even when there is a change such as a reduction in the storage content of the first removable storage medium or a change in the storage medium itself, the storage content of the fixed second storage medium The storage contents of a plurality of first storage media that have been attached to the apparatus can be centrally managed. As a result, even if there is a change in the first storage medium attached to the device, it is stored in the first storage medium that has been attached to the device without being influenced by this. Control such as displaying the imaging position based on the obtained position information becomes possible.

  The second storage means fixedly provided in the apparatus stores reduced image data having a data size smaller than that of the image data together with position information. Therefore, it is possible to prevent inconvenience that the storage capacity of the second storage unit provided in a fixed manner becomes full at an early stage, and to store more reduced image data together with position information within a limited storage capacity. it can.

It is a block diagram which shows the circuit structure of the digital camera which concerns on one embodiment of this invention. It is a flowchart which shows a main routine. It is a flowchart which shows the procedure of the process which adds the image for a new display to an internal memory. It is a flowchart which shows the procedure of the process which deletes the display image which is unnecessary in an internal memory. It is a flowchart which shows the procedure of an imaging process. It is a flowchart which shows the procedure of reproduction | regeneration processing.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a circuit configuration of a digital camera 1 according to an embodiment of the present invention. The digital camera 1 has a CPU 2 and is configured to control each unit by the CPU 2. That is, the imaging unit 3 includes an optical lens disposed on the front surface of the main body, an imaging element such as a CCD imaged by the optical lens, a TG (timing generator) for driving the imaging element, and an output from the imaging element. A unit circuit including a CDS that holds the captured image signal, a gain adjustment amplifier (AGC) that amplifies the image signal, and an A / D converter (AD) that converts the amplified image signal into a digital signal. .

  Then, the image of the subject is formed on the image sensor via the optical lens, and the image sensor outputs a signal. The signal output from the image pickup device is sampled, amplified, and digitized by the unit circuit, sent to the CPU 2, converted into luminance in the CPU 2, and luminance integration and histogram processing are performed. Further, the image sensor is driven by TG based on the shutter pulse sent from the CPU 2, and the charge accumulation time is controlled. Thereby, an electronic shutter is realized.

  The CPU 2 controls each unit as described above, and has various signal processing and image processing functions, and generates a video signal from an imaging signal converted into a digital signal through a unit circuit. Then, the subject image picked up by the image pickup unit 3 is displayed as a through image on the display unit 4 including a TFT liquid crystal monitor or the like.

  The digital camera 1 is provided with a slot portion 5 having a card slot for detachably holding a memory card 6 as an external storage medium and connected to the CPU 2. At the time of shooting, the CPU 2 generates an image file in JPEG format by compressing the image pickup signal, stores it in the memory card 6, and decompresses the compressed image file for display on the display unit 4 at the time of reproduction. Each memory card 6 that is selectively mounted in the slot 5 stores a unique memory card ID.

  Further, an operation unit 7, a power supply unit 8, an internal memory 9, a GPS unit 10, and a map storage unit 11 are connected to the CPU 2. The operation unit 7 includes a plurality of keys and buttons such as a power key, menu key, mode dial, cursor key, SET key, shutter button, and the operation state of each key and button is scanned by the CPU 2 as needed. The power supply unit 8 includes a battery or the like, and is controlled by the CPU 2 to supply power to each unit.

  The internal memory 9 is a storage unit fixedly provided in the digital camera 1 and includes a program ROM in which operation programs necessary for control of each unit and various data processing by the CPU 2 are stored. A program for executing the processing is stored. The internal memory 9 is provided with a storage area for storing reduced image data to which position information to be described later is added.

  The GPS unit 10 has a GPS receiving antenna 12, and receives and demodulates and decodes the L1 band C / A code from the geodetic satellite by the GPS receiving antenna 12 to determine the latitude and longitude of the current position. The latitude / longitude information determined by the GPS unit 10 is taken into the CPU 2. The map storage unit 11 stores map image data for displaying a map having a predetermined standard size (predetermined scale), and character display data including character data indicating a place such as a prefecture name or a town name. And position data indicating the latitude and longitude of the location are stored in correspondence.

  Next, the operation of the digital camera 1 according to the above configuration will be described. FIG. 2 is a flowchart showing a main routine in the present embodiment. When an on operation for the power key is detected by scanning the operation unit 7, the CPU 2 executes processing as shown in the flowchart of FIG. 2 based on the program stored in the program ROM included in the internal memory 9.

  That is, the power supply unit 8 is turned on to start supplying necessary power to each unit (step S101). Further, the file stored in the memory card currently held in the slot unit 5 is read (step S102).

  Thereafter, the CPU 2 adds a new display image to an internal memory to be described later (step S103), deletes an unnecessary display image in the internal memory (step S104), photographing process (step S105), and reproduction process. (Step S106) is sequentially executed. When an off operation on the power key is detected by scanning the operation unit 7, the power supply unit 8 is turned off, supply of necessary power to each unit is stopped (step S107), and the process ends.

  FIG. 3 is a flowchart showing details of the adding process (step S103) for adding a new display image to the internal memory. The CPU 2 reads the card ID of the memory card 6 that is currently held and mounted in the slot unit 5 and reads the display image corresponding to the read card ID from the internal memory 9 (step S201).

  That is, as will be described later, the internal memory 9 has a display image composed of reduced image data having a data size smaller than the image data of an image (hereinafter referred to as an original image) stored in the memory card 6 along with photographing. It is remembered. Further, the card ID of the memory card 6 in which the corresponding original image is stored is added to the display image. Therefore, in step S201, a display image to which the same card ID as the memory card 6 currently installed in the slot 5 of the digital camera 1 is added is read from the internal memory 9.

  Next, the display image read from the internal memory 9 is compared with the original image stored in the attached memory card 6 (step S202). Further, based on the comparison result in step S202, it is determined whether or not there is a new image (new original image) that is not stored in the internal memory 9 in the loaded memory card 6 (step S203). If there is no new image in the memory card 6, the process returns to step S103 without performing the processes of steps S204 to S206.

  If there is a new image not stored in the internal memory 9 in the memory card 6, it is determined whether or not the new image has position information (step S204).

  That is, in this type of digital camera 1 having the GPS receiving antenna 12 and the GPS unit 10, as will be described later, the original image generated when shooting is a file having a header such as Exif (Exchangeable Image File Format). The position (latitude / longitude) acquired by the GPS unit 10 or the like at the time of shooting is stored in the header as position information indicating the shooting position. However, naturally, the position information is not stored in image data of an image taken by a digital camera that does not include the GPS unit 10 or the like. Therefore, when a memory card that is used for shooting with a digital camera that does not include the GPS unit 10 or the like and is removed from the camera is attached to the digital camera 1 according to the present embodiment, a new image is displayed. Even if there is no location information. Since an image without position information is not subject to processing in the present embodiment, the processing returns to step S103 without performing the processing of steps S205 and S206.

  If there is a new image with position information added to the memory card 6, a display image including position information is generated from the new image (step S205). Such a case occurs, for example, when a memory card that is attached to another digital camera having a GPS function and stores image data having position information is removed and attached to the digital camera 1 according to the present embodiment. At this time, the display image is composed of image data having an image data size smaller than the image data size of the original image and having a data size corresponding to the thumbnail image. The image data of the display image is also stored in a file having a header, and position information (latitude / longitude) indicating the photographing position is stored in the header.

In addition, when storing an original image in the memory card 6, a digital camera of a type in which a thumbnail image is generated and stored in advance in a part of an Exif file has also appeared. Therefore, when the thumbnail image is already stored in the Exif file as described above, in step S205, the thumbnail image is read from the memory card 6 without adding a display image, and position information is added and displayed. It can be used as an image.
The image size of the display image is the data size corresponding to the thumbnail image, but may be a data size that matches the number of display pixels of the display unit 4.
A plurality of display images generated by including position information from a new image may be generated. In this case, instead of the images having the same composition, for example, a plurality of whole images and a partly enlarged image may be generated with an image data size smaller than the image data size of the original image.

  Thereafter, the display image with the position information added is stored in the internal memory 9 in association with the card ID of the memory card 6 from which the original image is read (step S206), and the process returns to step S103. Therefore, when the process shown in the flowchart of FIG. 3 is executed in step S103 in the flowchart of FIG. 2, when there is a new image having position information in the memory card 6 mounted in the slot unit 5, A display image including the position information of the new image is generated and added to the internal memory 9. At this time, as described above, since the display image has a data size corresponding to a thumbnail image smaller than the image data size of the original image, it is possible to prevent inconvenience that the storage capacity of the internal memory 9 becomes full early. More display images can be stored together with position information within a limited storage capacity.

  The display image is stored in the internal memory 9 in association with the card ID of the memory card 6 from which the original image is read. Therefore, based on the stored contents of the internal memory 9, it is possible to manage which memory card stores the original image corresponding to each display image, and the memory card that has been attached to the digital camera 1 Can be managed centrally on the digital camera 1 side.

  FIG. 4 is a flowchart showing details of an unnecessary display image deletion process (step S104) in the internal memory. The CPU 2 reads the card ID of the memory card 6 that is currently held and mounted in the slot unit 5, and reads the display image corresponding to the read card ID from the internal memory 9 (step S301). Next, the display image read from the internal memory 9 is compared with the original image stored in the attached memory card 6 (step S302). Further, based on the comparison result in step S302, it is determined whether or not a display image corresponding to an original image not present in the currently installed memory card 6 is stored in the internal memory 9 (step S303).

  When the determination in step S303 is NO and there is no display image corresponding to the original image not in the memory card 6 in the internal memory 9, the display image stored in the internal memory 9 and the memory card 6 are stored. This is a case where the stored original image corresponds completely and corresponds, and the original image is not deleted from the memory card 6. In this case, the process returns to step S104 without performing the process of step S305.

  When the determination in step S303 is YES and the display image not in the memory card 6 is in the internal memory 9, the display image stored in the internal memory 9 and the original image stored in the memory card 6 are used. This is a case where the image does not correspond and the original image is deleted from the memory card 6. In this case, the display image corresponding to the original image that does not exist in the memory card 6 is deleted from the internal memory 9 (step S304).

  That is, the image deleted from the memory card 6 is presumed to have been deleted because it is unnecessary for the user of the digital camera 1. Therefore, it is not necessary to save the display image corresponding to the image which is determined to be unnecessary in the internal memory 9, and saving the storage image may be a cause of pressing the storage capacity of the internal memory 9. Therefore, in such a case, by deleting the corresponding display image from the internal memory 9, the intention of the user is reflected in the stored contents of the internal memory 9, and the storage capacity is secured.

  FIG. 5 is a flowchart showing details of the photographing process (step S105). When the operation on the shutter button is detected by scanning the operation unit 7, the CPU 2 controls the imaging unit 3 to photograph the subject (step S401) and obtains image data (step S402). Further, the latitude / longitude of the current position determined by the GPS unit 10 at the time of shooting is acquired as position information (step S403).

  Thereafter, the image data with the position information added is stored in the memory card 6 attached. That is, the image data acquired by photographing the subject is stored in a file having a header such as Exif as described above, and the position information is stored in the header.

  Next, a display image including position information is generated from the image data stored in the memory card 6 (step S405). Thereby, image data of a display image having a header is generated, and position information is stored in the header. Thereafter, the display image including the position information is stored in the internal memory 9 in association with the card ID of the memory card 6 from which the original image is read (step S406), and the process returns to step S105.

  Therefore, by performing the process shown in the flowchart of FIG. 5 in step S105 in the flowchart of FIG. 2, not only the image data of the original image taken on the memory card 6 is stored together with the position information at the time of shooting, The internal memory 9 stores a display image corresponding to the original image together with position information. Therefore, even if the memory card 6 is removed from the digital camera 1 after the photographing is completed, the photographing position is determined based on the position information stored at the time of photographing in the memory card 6 that has been mounted without being influenced by this. It is possible to control display.

  FIG. 6 is a flowchart showing details of the reproduction process (step S106). When the reproduction mode setting is detected by scanning the operation unit 7, the CPU 2 reads map data corresponding to the area designated by the user from the map storage unit 11, and displays the map data on the display unit 4 based on the read map data. A map image is displayed (step S501). Then, a display image to which position information belonging to the range of the map displayed on the display unit 4 is added is read from the internal memory 9 (step S502).

  Subsequently, it is determined whether or not the card ID associated with the display image read from the internal memory 9 matches the card ID of the memory card 6 currently installed in the slot unit 5 (step S503). . If they match, the currently installed memory card 6 stores the original image corresponding to the display image read from the internal memory 9 in step S502. The original image corresponding to the display image read from the internal memory 9 in step S502 is not stored in the currently installed memory card 6.

  If both match and there is an original image on the memory card 6, the color of the marker displayed on the map is set to red (step S504), and if both do not match and there is no original image on the memory card 6. Sets the marker color displayed on the map to black (step S505). Thereafter, the marker is superimposed and displayed at the position indicated by the position information on the map image displayed on the display unit 4 in the color set in step S504 or S505 (step S506).

  Therefore, by executing the processing shown in the flowchart of FIG. 6, it is only necessary to indicate that there is an image photographed at a position in the map by the marker on the map displayed on the display unit 4. Instead, whether or not the corresponding original image is present in the currently installed memory card 6 is displayed by being distinguished by the color of the marker.

  Therefore, when the marker is displayed in black and the corresponding original image is not present in the currently mounted memory card 6, a display image is displayed in response to a click operation on the marker. However, if the marker is displayed in red and the corresponding original image is in the currently installed memory card 6, the original image is read from the memory card 6 in response to a click operation on the marker and displayed in an enlarged manner, etc. Display control according to the presence or absence of the original image.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to these, The invention described in the claim and its equal range are included.

  The invention described in the claims of the present application will be added below.

<Claim 1>
A first storage means detachably held in the apparatus main body and storing a plurality of image data;
A second storage means fixedly provided in the apparatus body;
Whether or not reduced image data corresponding to the image data is stored by comparing the reduced image data stored in the second storage unit with the image data stored in the first storage unit A first determination means for determining whether or not
Second determination means for determining whether or not position information is added to the image data stored in the first storage means;
Based on the image data that is determined not to be stored in the second storage means by the first determination means and to which position information is added by the second determination means, the data is more data than the image data. Reduced data acquisition means for acquiring reduced image data with a small size;
First storage control means for storing the reduced image data acquired by the reduced data acquisition means in the second storage means together with the position information;
A display device comprising:

<Claim 2>
A map storage means for storing map data;
The display means includes
Map display means for reading the map data from the map storage means and displaying a map;
Reading means for reading out reduced image data associated with position information belonging to the range of the map displayed by the map display means from the second storage means;
On the displayed map, identifier display means for displaying an identifier superimposed on the position indicated by the position information associated with the reduced image data read by the reading means;
The display device according to claim 1, further comprising:

<Claim 3>
The first storage means stores different unique identification information,
3. The display device according to claim 2, wherein the first storage control unit stores the reduced image data in the second storage unit in association with the identification information.

<Claim 4>
An identification information comparison unit that reads the identification information of the first storage unit and compares it with identification information associated with the reduced image data stored in the second storage unit;
The determination means determines whether reduced image data corresponding to the image data is stored in the second storage means for each first storage means specified by the identification information compared by the identification information comparison means. The display device according to claim 3, wherein the determination is made.

<Claim 5>
The identifier display means matches the identification information of the first storage means with the identification information associated with the reduced image data stored in the second storage means based on the comparison result of the information comparison means. The display device according to claim 4, wherein the identifier is displayed in a different form depending on a case and a case different from the case.

<Claim 6>
Image data comparison means for comparing image data stored in the first storage means and reduced image data of the second storage means for each identification information;
If reduced image data corresponding to the image data deleted from the first storage means is stored in the second storage means based on the comparison result of the image data comparison means, this is stored in the second storage means. The display device according to claim 1, further comprising a deleting unit that deletes the display device.

<Claim 7>
7. The reduced data acquisition unit is a generation unit that generates the reduced image data using image data stored in the first storage unit. Display device.

<Claim 8>
8. The display device according to claim 7, wherein the reduced image data generated by the generation unit is thumbnail image data corresponding to the image data or a data size corresponding to the display unit.

<Claim 9>
The first storage means stores corresponding thumbnail image data together with the image data,
The camera according to any one of claims 1 to 6, wherein the reduced data acquisition unit is a reading unit that reads thumbnail image data stored in the first storage unit.

<Claim 10>
Photographing means for photographing a subject and generating image data;
Position detecting means for detecting the current position of the device;
Second storage control means for adding position information indicating the current position detected by the position detection means when the photographing means has taken an image to the image data and storing the position information in the first storage means;
The display device according to any one of claims 1 to 9,
An imaging apparatus comprising:

<Claim 11>
A display method in a display device, comprising: a first storage unit that is detachably held in the apparatus main body and stores a plurality of image data; and a second storage unit fixedly provided in the apparatus main body,
Whether or not reduced image data corresponding to the image data is stored by comparing the reduced image data stored in the second storage unit with the image data stored in the first storage unit A first determination step for determining whether or not
A second determination step of determining whether position information is added to the image data stored in the first storage means;
Based on the image data that has not been stored in the second storage means by the first determination step and has been determined that position information has been added by the second determination step, the data is more data than the image data. A reduced data acquisition step for acquiring reduced image data of a small size;
A first storage control step of storing the reduced image data acquired in the reduced data acquisition step in the second storage unit together with the position information;
A display control method comprising:

<Claim 12>
A computer included in a display device that includes a first storage unit that is detachably held in the apparatus body and stores a plurality of image data, and a second storage unit that is fixedly provided in the apparatus body.
Whether or not reduced image data corresponding to the image data is stored by comparing the reduced image data stored in the second storage unit with the image data stored in the first storage unit A first determination means for determining whether or not
Second determination means for determining whether or not position information is added to the image data stored in the first storage means;
Based on the image data that is determined not to be stored in the second storage means by the first determination means and to which position information is added by the second determination means, the data is more data than the image data. Reduced data acquisition means for acquiring reduced image data with a small size;
First storage control means for storing the reduced image data acquired by the reduced data acquisition means in the second storage means together with the position information;
A program characterized by making it function.

1 Digital camera 2 CPU
DESCRIPTION OF SYMBOLS 3 Image pick-up part 4 Display part 5 Slot part 6 Memory card 7 Operation part 8 Power supply part 9 Internal memory 10 GPS part 11 Map memory | storage part 12 GPS receiving antenna

Claims (15)

A first storage means detachably held in the apparatus main body and storing a plurality of image data;
A second storage means fixedly provided in the apparatus body;
Whether or not reduced image data corresponding to the image data is stored by comparing the reduced image data stored in the second storage unit with the image data stored in the first storage unit A first determination means for determining whether or not
Second determination means for determining whether or not position information is added to the image data stored in the first storage means;
Based on the image data that is determined not to be stored in the second storage means by the first determination means and to which position information is added by the second determination means, the data is more data than the image data. Reduced data acquisition means for acquiring reduced image data with a small size;
First storage control means for storing the reduced image data acquired by the reduced data acquisition means in the second storage means together with the position information;
A display device comprising: Display means;
It includes a map storage means for storing map data, and
The display means includes
Map display means for reading the map data from the map storage means and displaying a map;
Reading means for reading out reduced image data associated with position information belonging to the range of the map displayed by the map display means from the second storage means;
On the displayed map, identifier display means for displaying an identifier superimposed on the position indicated by the position information associated with the reduced image data read by the reading means;
The display device according to claim 1, further comprising: The first storage means stores different unique identification information,
3. The display device according to claim 2, wherein the first storage control unit stores the reduced image data in the second storage unit in association with the identification information. An identification information comparison unit that reads the identification information of the first storage unit and compares it with identification information associated with the reduced image data stored in the second storage unit;
The first determination means stores reduced image data corresponding to the image data in the second storage means for each first storage means specified by the identification information compared by the identification information comparison means. The display device according to claim 3, wherein it is determined whether or not it is present. The identifier display means matches the identification information of the first storage means with the identification information associated with the reduced image data stored in the second storage means based on the comparison result of the identification information comparison means. The display device according to claim 4, wherein the identifier is displayed in a different form depending on whether or not it is performed. Image data comparison means for comparing image data stored in the first storage means and reduced image data of the second storage means for each identification information;
If reduced image data corresponding to the image data deleted from the first storage means is stored in the second storage means based on the comparison result of the image data comparison means, this is stored in the second storage means. The display device according to claim 3, further comprising a deletion unit that deletes the display device. The reduced data acquisition means, using the image data stored in the first storage unit, according to any one to 6 claims 2, characterized in that the generating means for generating the reduced image data Display device.   8. The display device according to claim 7, wherein the reduced image data generated by the generation unit is thumbnail image data corresponding to the image data or a data size corresponding to the display unit. The first storage means stores corresponding thumbnail image data together with the image data,
7. The camera according to claim 1, wherein the reduced data acquisition unit is a reading unit that reads out thumbnail image data stored in the first storage unit. Photographing means for photographing a subject and generating image data;
Position detecting means for detecting the current position of the device;
Second storage control means for adding position information indicating the current position detected by the position detection means when the photographing means has taken an image to the image data and storing the position information in the first storage means;
The display device according to any one of claims 1 to 8 ,
An imaging apparatus comprising: A display method in a display device, comprising: a first storage unit that is detachably held in the apparatus main body and stores a plurality of image data; and a second storage unit fixedly provided in the apparatus main body,
Whether or not reduced image data corresponding to the image data is stored by comparing the reduced image data stored in the second storage unit with the image data stored in the first storage unit A first determination step for determining whether or not
A second determination step of determining whether position information is added to the image data stored in the first storage means;
Based on the image data that has not been stored in the second storage means by the first determination step and has been determined that position information has been added by the second determination step, the data is more data than the image data. A reduced data acquisition step for acquiring reduced image data of a small size;
A first storage control step of storing the reduced image data acquired in the reduced data acquisition step in the second storage unit together with the position information;
A display control method comprising: A computer included in a display device that includes a first storage unit that is detachably held in the apparatus main body and stores a plurality of image data, and a second storage unit that is fixedly provided in the apparatus main body.
Whether or not reduced image data corresponding to the image data is stored by comparing the reduced image data stored in the second storage unit with the image data stored in the first storage unit A first determination means for determining whether or not
Second determination means for determining whether or not position information is added to the image data stored in the first storage means;
Based on the image data that is determined not to be stored in the second storage means by the first determination means and to which position information is added by the second determination means, the data is more data than the image data. Reduced data acquisition means for acquiring reduced image data with a small size;
First storage control means for storing the reduced image data acquired by the reduced data acquisition means in the second storage means together with the position information;
A program characterized by making it function. First storage means fixedly provided in the apparatus body;
First determination means for determining whether or not the image data stored in the second storage means that is detachably held in the apparatus main body and that stores the image data is stored in the first storage means; ,
Second determination means for determining whether or not position information is added to the image data stored in the second storage means;
An image stored in the second storage means that has not been stored in the first storage means by the first determination means, and that position information has been added by the second determination means. Storage control means for storing data in the first storage means together with the position information;
An image storage device comprising: An image storage method of an image storage device comprising first storage means fixedly provided in the apparatus body,
A first determination step of determining whether or not the image data stored in the second storage unit that is detachably held in the apparatus main body and stores the image data is stored in the first storage unit; ,
A second determination step of determining whether position information is added to the image data stored in the second storage means;
An image stored in the second storage means that has not been stored in the first storage means by the first determination step and that position information has been determined to have been added by the second determination step. A storage control step of storing data in the first storage means together with the position information;
An image storage method comprising: A computer included in an image storage device including first storage means fixedly provided in the apparatus main body,
First determination means for determining whether or not the image data stored in the second storage means that is detachably held in the apparatus main body and that stores the image data is stored in the first storage means; ,
Second determination means for determining whether or not position information is added to the image data stored in the second storage means;
An image stored in the second storage means that has not been stored in the first storage means by the first determination means, and that position information has been added by the second determination means. Storage control means for storing data in the first storage means together with the position information;
A program characterized by making it function.

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