KR20060102887A - Method of controlling digital image processing apparatus wherein name of photographing location is displayed - Google Patents

Abstract

The control method of the digital image processing apparatus according to the present invention includes steps (a) to (d). In step (a), map data having location-name data corresponding to the coordinate data is stored in the recording medium. In step (b), a GPS receiver is used to obtain coordinate data indicating the position of the digital image processing apparatus. In step (c), in the shooting mode, when shooting is performed, the image data obtained by shooting is stored in the recording medium, and a map of a setting range is displayed centering on the coordinates of the coordinate data from the GPS receiver. Position-name data from the recording medium corresponding to the coordinate data of the position selected by the user in the map of the setting range is stored in the recording medium as the imaging information of the image data. In step (d), in the reproduction mode, the image of the image data stored in the recording medium is displayed together with the position-name of the position-name data.

Description

Method of controlling digital image processing apparatus wherein name of photographing location is displayed}

FIG. 1 is a rear view of a rear surface of a digital camera as a digital image processing apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating the overall configuration of the digital camera of FIG. 1.

FIG. 3 is a diagram illustrating an example of a preview image displayed on the color LCD panel of FIG. 2 when the GPS receiver of FIG. 2 operates.

FIG. 4 is a flowchart illustrating a photographing algorithm of the digital camera processor of FIG. 2 when the GPS receiver of FIG. 2 operates.

FIG. 5 is a diagram illustrating an example of a map image in which an identification image of an activation cursor is synthesized in step S422 of FIG. 4.

FIG. 6 is a diagram illustrating a file storage structure of a memory card connected to the memory card interface of FIG. 2.

7 is a flowchart illustrating a playback algorithm of the digital camera processor of FIG. 2.

FIG. 8 is a diagram illustrating an example in which an image captured and stored by the algorithm of FIG. 4 is displayed by performing step S902 of FIG. 7.

FIG. 9 is a flowchart illustrating in detail the steps of performing the map-display mode of FIG. 7.

 <Explanation of symbols for the main parts of the drawings>

1 ... digital camera, 12 ... flash,

13 ... shutter release button, 14 ...

15 ... function buttons, 15 _R ... self-timer / right button,

15 _L ... flash / left button, 15 _D ... macro / down button,

15 _U ... Voice-Memo / Up Button, 15 _M ... Menu / Select-OK Button,

17b ... view finder, 21 ... external interface,

MIC ... microphone, SP ... speaker, 32 ... monitor button, 33 ... auto-focus lamp,

34 ... flash standby lamp, 35 ... color LCD panel,

36 ... Manual-Focusing / Delete button, 37 ... Manual-Adjusting / Play / Stop button,

39 _W ... wide-zoom button, 39 _T ... tele-zoom button,

OPS ... optical system, OEC ... photoelectric conversion unit,

M _Z ... zoom motor, M _F ... focus motor,

M _A ... aperture motor, 501 ... analog-to-digital converter,

502 timing circuit, 503 real time clock,

504 ... DRAM, 505 ... EEPROM,

506 memory card interface, 507 digital camera processor, 508 RS232C interface, 509 video filter,

21a ... USB connection, 21b ... RS232C connection,

21c ... video output, 510 ... lens drive,

511 ... flash controller, 512 ... microcontroller,

INP ... user input, LAMP ... light emitter,

513 audio processor, 514 LCD driver,

45 ... GPS receiver, 43 ... GPS mode button.

The present invention relates to a control method of a digital image processing apparatus, and more particularly, to a digital image processing apparatus which photographs an input image in a photographing mode and stores the image on a recording medium, and reproduces the image stored in the recording medium in a reproduction mode. For example, the present invention relates to a control method of a digital camera or a camera-phone.

Conventional digital image processing apparatuses, for example, the digital cameras of Japanese Patent Application Laid-Open Nos. 1999-308566 and 2004-80359 may additionally employ a Global Positioning System to display coordinates of a photographing position.

Nevertheless, the problem remains that the user cannot immediately remember what the shooting position was during the playback process.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a control method of a digital image processing apparatus that enables a user to immediately remember where a photographing position of a reproduced image was. have.

According to an aspect of the present invention, there is provided a method of controlling a digital image processing apparatus for photographing an input image in a photographing mode and storing the image on a recording medium, and reproducing the image stored in the recording medium in steps (a). ) To (d). In the step (a), map data having location-name data corresponding to coordinate data is stored in the recording medium. In step (b), a GPS receiver is used to acquire coordinate data indicating the position of the digital image processing apparatus. In the step (c), in the photographing mode, when photographing is performed, image data obtained by photographing is stored in the recording medium, and a map of a setting range centers on the coordinates of the coordinate data from the GPS receiver. Is displayed, and location-name data from the recording medium corresponding to the coordinate data of the position selected by the user in the map of the setting range is stored in the recording medium as the imaging information of the image data. In the step (d), in the reproduction mode, the image of the image data stored in the recording medium is displayed together with the position-name of the position-name data.

According to the control method of the digital image processing apparatus of the present invention, the image of the image data stored in the recording medium is displayed together with the position-name of the position-name data in the reproduction mode. Accordingly, the user can immediately remember where the photographing position of the reproduced image was in the playback process. Furthermore, the user has the convenience of selecting the position-name of the image data in the photographing mode.

Hereinafter, preferred embodiments according to the present invention will be described in detail.

Referring to FIG. 1, a digital camera 1 as a digital image processing apparatus according to the present invention includes a GPS mode button 43, a shutter release button 13, a mode dial 14, and a mode-indicating lamp 14. _L ), function buttons 15, manual focusing / delete button 36, manual adjustment / play / stop button 37, playback mode button 42, speaker SP, monitor button 32, Auto-focus lamp 33, viewfinder 17b, flash standby lamp 34, color LCD panel 35, wide angle-zoom button 39 _W , telephoto-zoom There is a button 39 _T , and an external interface 21.

The GPS mode button 43 determines whether to add the GPS function in the shooting or playback mode according to the user's operation.

The shutter release button 13 has a two-stage structure. That is, when the user operates the wide-angle zoom button 39 _W and the tele-zoom button 39 _T , and presses the shutter release button 13 only one step, the SH1 signal from the shutter release button 13 is turned on. And the second stage, the SH2 signal from the shutter release button 13 is turned on (see FIGS. 3 and 5).

The mode dial 14 is any one of operation modes of the camera, for example, a simple shooting mode, a program shooting mode, a portrait shooting mode, a night view shooting mode, a manual shooting mode, a movie shooting mode, a personal loading mode, and a recording mode. Used to select the operating mode by the user.

Herein, the personal loading mode 14 _MY indicates an operation mode in which the personal shooting conditions of the user stored in the memory card as the recording medium are loaded and used in the shooting mode.

Meanwhile, the recording mode 14 _V indicates an operation mode for simply recording a sound, for example, only a user's voice. After switching to the recording mode (14 _V), the user pressing the shutter release button of the primary (13), audio (audio) file is created on the memory card as a storage medium, the audio data inputted is stored in the audio file. Next, when the user presses the shutter release button 13 again, the storage of the input audio data is stopped and the audio file is completed.

The function buttons 15 are used by the user to perform specific functions of the digital camera 1 while being used as direction-shift buttons and the like of the activation cursor in the menu screen of the color LCD panel 35. For example, each function of the function buttons 15 will be described in detail as follows.

If the image currently displayed in the playback mode is not magnified, when the user presses the self-timer / right button 15 _R , the next file in the forward order is displayed. In addition, when the image currently displayed in the reproduction mode is enlarged, when the user presses the self-timer / right button 15 _R , the display area of the enlarged image is moved to the right. Then, when the user presses the self-timer / right button 15 _R in the preview mode, a self-timer operation, for example, an operation of automatically photographing after 10 seconds is performed.

If the currently displayed image in the reproduction mode is not enlarged, the following files in the reverse order is displayed when the user presses the flash / Left button (15 _L). Further, if the currently displayed image in a reproduction mode, the zoom, the user and the display area of the magnified image by pressing the flash / Left button (15 _L) is moved to the left. And, the user can set the flash mode for any one of a shooting mode according to the pressing the flash / Left button (15 _L) in a preview (Preview) mode.

If the currently displayed image in a reproduction mode, the zoom, the user presses the macro / down button (15 _D) display area of the enlarged image is moved downward. In addition, the user-up auto focus for the recording mode by pressing the macro / down button (15 _D) is set in the preview mode.

When the image currently displayed in the reproduction mode is enlarged, when the user presses the voice memo / up button 15 _U , the display area of the enlarged image is moved upward. In addition, when the user presses the voice memo / up button 15 _U in the preview mode, recording is possible for 10 seconds after the following shooting operation.

User menu / selection in the state in which the selection cursor is activated in the setting mode which is switched from the preview mode as described above - by pressing the OK button (15 _M) the operating conditions corresponding to the selected item is set.

Manual-adjust / play / stop button 37 is used for manual adjustment of certain conditions. In addition, in the playback mode, when the user presses the manual-adjustment / playback / stop button 37 while the user selects any video file, the selected video file can be played or stopped.

The manual focusing / deletion button 36 is used to manually focus or delete operation by the user in the shooting mode.

The monitor button 32 is used by the user to control the operation of the color LCD panel 35. For example, in the shooting mode, when the user presses the monitor button 32 firstly, the image of the subject and the shooting information thereof are displayed on the color LCD panel 35, and when the user presses the monitor button 32 first, power applied to the color LCD panel 35 is pressed. Is blocked. In addition, in the playback mode, when a user presses the monitor button 32 first while a video file is being played back, shooting information of the video file being played is displayed on the color LCD panel 35, and when the second button is pressed, Only pure images are displayed.

The playback mode button 42 is used for switching to the playback or preview mode.

The auto-focus lamp 33 operates when the focus is well achieved. The flash standby lamp 34 operates when the flash 12 (in FIG. 2) is in an operation standby state. Mode refers to the selection mode of the indicator lamps (14 _L), a mode dial 14.

FIG. 2 shows the overall configuration of the digital camera 1 of FIG. 1. 1 and 2, the overall configuration and operation of the digital camera 1 of FIG. 1 will be described.

The optical system OPS including the lens unit and the filter unit optically processes light from a subject.

The lens unit of the optical system OPS includes a zoom lens, a focus lens, and a compensation lens.

When the user presses the wide angle-zoom button 39w or the telephoto-zoom button 39t included in the user input unit INP, a corresponding signal is input to the microcontroller 512. Accordingly, as the microcontroller 512 controls the driving unit 510, the zoom motor M _Z is driven to move the zoom lens. That is, when the wide-angle zoom button 39w is pressed, the focal length of the zoom lens is shortened to widen the angle of view, and when the telephoto-zoom button 39t is pressed, the focus of the zoom lens is pressed. The longer the length, the narrower the angle of view. Here, since the position of the focus lens is adjusted while the position of the zoom lens is set, the angle of view is hardly influenced by the position of the focus lens.

Meanwhile, in the auto focus mode, the focus motor M _F is driven by the main controller embedded in the digital camera processor 507 controlling the lens driver 510 through the microcontroller 512. As a result, the focus lens is moved, and in this process, the position of the focus lens where the high frequency component of the image signal is the largest, for example, the number of driving steps of the focus motor M _F is set.

The compensating lens of the lens unit of the optical system OPS is not driven separately because it serves to compensate the overall refractive index. Reference numeral M _A denotes a motor for driving an aperture (not shown).

In the filter section of the optical system OPS, an optical low pass filter removes optical noise of high frequency components. Infra-Red cut filter cuts the infrared component of the incident light.

A photoelectric conversion unit (OEC) of a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) converts light from an optical system (OPS) into an electrical analog signal. Here, the digital camera processor 507 controls the timing circuit 502 to control the operation of the photoelectric converter OEC and the Correlation Double Sampler and Analog-to-Digital Converter (CDS-ADC) element 501. The CDS-ADC element 501 processes the analog signal from the photoelectric conversion unit OEC, removes the high frequency noise, adjusts the amplitude, and converts it into a digital signal.

The real time clock 503 provides time information to the digital camera processor 507. The digital camera processor 507 processes the digital signal from the CDS-ADC element 501 to generate a digital video signal classified into luminance and chroma signals.

In the light-emitting portion LAMP driven by the microcontroller 512 according to control signals from the digital camera processor 507 incorporating the main controller, a self-timer lamp (not shown), an auto-focus lamp 33 ), A mode indication lamp 14 _L and a flash standby lamp 34 are included. The user input unit INP includes a shutter release button 13, a mode dial 14, function buttons 15, a monitor button 32, a manual focusing / delete button 36, a manual adjustment / playback button ( 37), wide-zoom button 39 _W , telephoto-zoom button 39 _T , and the like.

A digital video signal from the digital camera processor 507 is temporarily stored in a DRAM (Dynamic Random Access Memory) 504. The EEPROM (Electrically Erasable and Programmable Read Only Memory) 505 stores algorithms and setting data necessary for the operation of the digital camera processor 507 as a controller.

In the memory card interface 506, the memory card MC as a recording medium of a user is detached. Of course, a large internal memory may be used instead of the removable memory card MC.

The digital image signal from the digital camera processor 507 is input to the LCD driver 514, whereby the image is displayed on the color LCD panel 35.

On the other hand, the digital video signal from the digital camera processor 507 can be transmitted by serial communication via the USB (Universal Serial Bus) connection 21a or the RS232C interface 508 and its connection 21b, and the video filter ( 509 and the video output unit 21c may be transmitted as a video signal.

The audio processor 513 outputs the audio signal from the microphone MIC to the digital camera processor 507 or the speaker SP, and outputs the audio signal from the digital camera processor 507 to the speaker SP.

On the other hand, the microcontroller 512 drives the flash 12 by controlling the operation of the flash controller 511 according to a signal from a flash-light amount sensor (not shown).

The GPS receiver (45 in FIG. 2) operating in the GPS photographing mode receives signals from three satellites, obtains coordinate data indicating its current location, and digitalizes the obtained coordinate data. Input to the camera processor 507. On the other hand, map data having position-name data corresponding to coordinate data is stored in the memory card MC as a recording medium. As described above, the removable memory card MC may be used as the recording medium, or a large internal memory may be used.

3 illustrates an example of a preview image 35IP displayed on the color LCD panel 35 of FIG. 2 when the GPS receiver 45 of FIG. 2 operates. 1 to 3, when the user presses the GPS mode button 43 to generate a GPS application signal, the digital camera processor 507 displays an icon 351 indicating this and displays the GPS ( GPS) The receiver 45 is driven. In addition, when the user presses the GPS mode button 43 again to generate a GPS cancellation signal, the digital camera processor 507 does not display the icon 351 and the GPS receiver 45 ) Is terminated. The process is repeated. That is, after the power is turned on, the GPS receiver 45 operates when the GPS mode button 43 is pressed in an odd number, and the GPS receiver 45 when the even number is pressed in the even number. ) Does not work.

4 illustrates a photographing algorithm of the digital camera processor 507 of FIG. 2 when the GPS receiver 45 of FIG. 2 operates. FIG. 5 shows an example of the map image 35M to which the identification image 352 of the activation cursor is synthesized in step S422 of FIG. 4. The algorithm of FIG. 4 will be described with reference to FIGS. 1 to 5.

First, the digital camera processor 507 obtains coordinate data indicating the current position from the GPS receiver 45 (step S402). Next, the digital camera processor 507 loads the map data corresponding to the coordinate data obtained from the GPS receiver 45 into the DRAM 504 (step S404). More specifically, map data of a setting range is loaded into the DRAM 504 centering on the coordinates from the GPS receiver.

Next, when shooting is performed by the user's operation (step S406), the digital camera processor 507 displays the image of the image data loaded into the DRAM 504 by shooting only on the color LCD panel 35 for a few seconds. Display (step S408). Next, the digital camera processor 507 displays the map and the activation cursor on the color LCD panel 35 using the map data loaded in the DRAM 504 (step S410). That is, the map of the setting range and the activation cursor are displayed centering on the coordinates from the GPS receiver 45.

Next, when the user generates the direction button signal by pressing the function buttons 15 (step S412), the digital camera processor 507 moves the activation cursor according to the input direction button signal (step S414). In addition, when the zoom button signal is generated by the user pressing the wide-zoom button 39w or the tele-zoom button 39t (step S416), the digital camera processor 507 displays the map image according to the input zoom button signal. Is displayed by zooming in or out (step S418).

Next, the user menu / selection-confirmation button (15 _M) for when, by pressing OK signal is generated (step S420), the digital camera processor 507 identifies image representing the shooting position to the current position of the active cursor (Fig. 352 of 5 is synthesized into a map image (35M of FIG. 5), and the position-name data of the shooting position corresponding to the coordinates of the activation cursor is obtained from the map data stored in the memory card MC as a recording medium and loaded. (Step S422).

Next, the digital camera processor 507 stores the shooting information including the loaded position-name data and the image data obtained by the shooting in the memory card MC (step S424). Here, the photographing information and the image data are stored in the same image file.

In addition, the digital camera processor 507 stores the map data of the guidance image (35M of FIG. 5), to which the identification image of the activation cursor is synthesized, in the memory card MC (step S426). Here, the folder of the map file in which the map data is stored is different from the folder of the image file. Accordingly, link information for linking the map file is included in the photographing information stored in the image file.

The above steps S402 to S426 are repeatedly performed until the end signal, for example, the signal from the reproduction mode button 42 is generated (step S428).

FIG. 6 shows a file storage structure of a memory card connected to the memory card interface 506 of FIG. 2.

Referring to FIG. 6, a folder "DCIM" and a map folder "101MAPDB" for storing user's data files are created under the top-level folder "ROOT" created by the formatting of the memory card MC.

Under the folder " DCIM ", a shooting-image folder " 100ABCDE " for storing all files generated by the user's shooting operation and a map folder " 101MAPDB &quot; for storing the map data are created.

Here, the name "100ABCDE" of the shooting-image folder includes the folder index "100" and the unique code "ABCDE". Similarly, the name "101MAPDB" of the map folder includes a folder index "101" and a unique code "MAPDB". Unique codes " ABCDE " and " MAPDB " are arbitrarily set in the manufacturing process of a digital image processing apparatus such as a digital camera.

In this shooting-image folder " 100ABCDE ", all files generated by the shooting operation of the user are stored in order. Here, the file index according to the file creation order is used together with the unique code "ABCDE" to generate the file name. For example, a file of "ABCD0001.JPG" is the file that was created first, and a file of "ABCD0100.JPG" is a file that was recently created.

The map folder " 101MAPDB " is created with the entire map folder " 102BASED ", which stores the entire map data, and the photography-linked map folder " 103LINKD "

7 shows a playback algorithm of the digital camera processor 507 of FIG. FIG. 8 shows an example in which an image captured and stored by the algorithm of FIG. 4 is displayed by performing step S902 of FIG. 7. 1, 2, 7, and 8, the playback algorithm of the digital camera processor 507 is described as follows.

First, the digital camera processor 507 controls the LCD driver 514 to display an image of a file recently stored in a memory card (MC in FIG. 2) on the color LCD panel 35 as a reference standard (step S902). , See FIG. 8). Here, the position-name (353 in FIG. 8, "viewing") is displayed as one of the photographing information. Accordingly, the user can immediately remember where the photographed position of the reproduced image was. For reference, the reference standard refers to a standard of an image displayed on all display areas of the color LCD panel 35.

Next, the user presses the self-timer / right button 15 _R , the flash / left button 15 _L , the macro / down button 15 _D , and / or the voice-memo / up button 15 _U. When the direction signal is generated (step S904), the digital camera processor 507 controls the LCD driver 514 to display the image of the file corresponding to the generated direction signal on the color LCD panel 35 as a reference standard. (Step S906).

Next, when the tele-zoom button signal is generated by the user pressing the tele-zoom button 39 _T (step S908), the digital camera processor 507 controls the LCD driver 514 to display the currently displayed file. The image of the camera is enlarged and displayed on the color LCD panel 35 (step S910).

With the image magnified in this way, the user can set the self-timer / right button 15 _R , the flash / left button 15 _L , the macro / down button 15 _D , and / or the voice-memo / up button ( When a direction signal is generated by pressing 15 _U ) (step S912), the digital camera processor 507 controls the LCD driver 514 to move the display area of the enlarged image according to the generated direction signal (step S912). S914).

When the user generates a signal of the wide-zoom button 39 _W in this state of enlarged image (step S916), the digital camera processor 507 controls the LCD driver 514 to display the currently displayed file. Image is displayed on the color LCD panel 35 according to the reference standard (step S918).

When the user generates a signal of the wide-zoom button 39 _W in the state where the image is displayed in the reference standard (step S921), the digital camera processor 507 performs an index-playback mode (step S925). ). In this index-playback mode, a plurality of thumbnail images may be displayed on one screen, and an image selected by the user may be displayed or enlarged and displayed as a reference standard.

Next, when the GPS button signal is generated by the user operating the GPS mode button 43 (step S926), the digital camera processor 507 performs the map-display mode (step S927). . This map-display mode will be described in detail with reference to FIG.

Steps S904 to S927 are repeatedly performed until the reproduction mode button 42 is pressed by the user (step S928).

FIG. 9 illustrates a detailed step S927 of performing the map-display mode of FIG. 7. The algorithm of performing the map-display mode (step S927) of FIG. 7 will be described with reference to FIGS. 1, 2, and 9 as follows.

First, the digital camera processor 507 loads the map data of the map file linked with the currently displayed file to the DRAM 504 (step S801).

Next, the digital camera processor 507 displays the map and the activation cursor using the loaded map data (step S802).

Next, when the user generates the direction button signal by pressing the function buttons 15 (step S803), the digital camera processor 507 moves the activation cursor according to the input direction button signal (step S804). In addition, when the zoom button signal is generated by the user pressing the wide-zoom button 39w or the tele-zoom button 39t (step S805), the digital camera processor 507 displays the map image according to the input zoom button signal. Is displayed by zooming in or out (step S806).

In this way, since the map image of the map file is additionally displayed according to the user's selection, the user can more surely store the photographing position of the reproduced image.

Steps S803 to S806 are repeatedly performed until the user presses the GPS mode button 43 again (step S807).

As described above, according to the control method of the digital image processing apparatus according to the present invention, the image of the image data stored in the recording medium is displayed together with the position-name of the position-name data in the reproduction mode. Accordingly, the user can immediately remember where the photographing position of the reproduced image was in the playback process. Furthermore, the user has the convenience of selecting the position-name of the image data in the photographing mode.

The present invention is not limited to the above embodiments, but may be modified and improved by those skilled in the art within the spirit and scope of the invention as defined in the claims.

Claims (6)

A control method of a digital image processing apparatus for photographing an input image in a photographing mode and storing the image on a recording medium, and reproducing the image stored in the recording medium in a reproduction mode (a) storing map data having location-name data corresponding to coordinate data on the recording medium; (b) acquiring coordinate data indicating a position of the digital image processing apparatus using a GPS receiver; (c) in the photographing mode, when photographing is performed, image data obtained by photographing is stored in the recording medium, and a map of a setting range is displayed based on the coordinates of the coordinate data from the GPS receiver; Storing position-name data from the recording medium corresponding to the coordinate data of the position selected by the user in the map of the setting range on the recording medium as the imaging information of the image data; And and (d) displaying the image of the image data stored in the recording medium together with the position-name of the position-name data in the reproduction mode. The method of claim 1, wherein in the step (c), when the photographing is performed, (c1) displaying a map of a set range and an activation cursor based on the coordinates from the GPS receiver; (c2) moving the activation cursor according to a user's operation; (c3) when a confirmation signal for setting the activation cursor is input from the user, the identification image of the activation cursor is synthesized to the map image of the setting range, and the position from the recording medium corresponding to the coordinates of the activation cursor. Loading name data; (c4) storing photographing information including the loaded position-name data and image data obtained by the photographing on the recording medium; And and (c5) performing the step of storing map data of the map image obtained by synthesizing the identification image of the activation cursor on the recording medium. The method of claim 2, wherein in step (c4), And the photographing information including the loaded position-name data and the image data obtained by the photographing are stored in the same image file. The method of claim 3, wherein in step (c5), And a folder of the map file in which the map data is stored is different from a folder of the image file. The method of claim 4, wherein in step (c4), And link information for linking the map file to the photographing information stored in the image file. The method of claim 5, wherein in step (d), And a map image of the map file is additionally displayed according to a user's selection.

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