JP4576941B2 - Information processing apparatus and method, program, and image processing apparatus - Google Patents

Description

Information The present invention relates to an information processing apparatus and method, a program, and an image processing apparatus, in particular, in the case of recording by storing still images and videos to different directories, which can be easily manage the recorded order The present invention relates to a processing apparatus and method, a program, and an image processing apparatus .

  In a photographing device such as a digital camera, usually, when photographing is performed, a file name is given so that the order of photographing is known. For example, in the order of photographing, the file (exactly its icon) or thumbnail image Is displayed. In this way, by displaying the file icons and thumbnail images in the order of shooting, for example, the user can easily grasp the order of shooting, and for example, can appropriately select an image to be displayed.

  By the way, in recent years, with the advent of high-performance CPUs, digital cameras can shoot not only still images but also moving images.

  Therefore, with a conventional digital camera that can shoot moving images and still images, both the moving image and still image files can be recorded in order to assign a common shooting order for the captured still images and moving images. Are stored in a directory defined by the DCF (Design Rule for Camera File System) standard, and file names are assigned according to the order of storage (hereinafter referred to as a first file storage method).

  Still image and video files are stored in a separate directory, but an index file (for example, a file that stores the recorded order) that associates the still image file with the video file is prepared. A method (hereinafter referred to as a second file storage method) is also conceivable in which the order in which images are taken can be confirmed by referring to.

  However, in the first file storage method, on a device that can only handle still images, the movie file number in the DCF directory has no meaning, but the movie file number is not used when recording a still image. There is a problem that file management becomes complicated.

  In the second file storage method, it is necessary to prepare a separate index file. For example, if the index file is deleted due to an erroneous operation by the user, there is a problem that the relevance of the directory cannot be understood. .

  The present invention has been made in view of such a situation, and makes it possible to easily manage the order of shooting even when still and moving image files are recorded in different directories.

Information processing apparatus of the present invention includes: a generating means for generating a plurality of directories that assigned the same identifier, when storing a new file in a directory, all stored in a plurality of directories with the same identifier The file name of the file is read out, the file number based on the read file name plus the largest file number plus 1 is the file number of the new file, and the file name based on the file number of the new file is File management means for attaching to a new file and storing and recording in a directory corresponding to the type of the file .

Display means and control means, the file management means reads out the file names of all files stored in a plurality of directories having the same identifier, and the control means responds to the file number based on the file name Information indicating the files in order can be displayed on the display means .

Information processing method of the present invention includes a generation step of generating a plurality of directories that assigned the same identifier, when storing a new file in a directory, all stored in a plurality of directories with the same identifier The file name of the file is read out, the file number based on the read file name plus the largest file number plus 1 is the file number of the new file, and the file name based on the file number of the new file is A file management step of attaching to a new file and storing and recording in a directory corresponding to the type of the file .

The program of the present invention generates a plurality of directories assigned the same identifier, and stores all files stored in a plurality of directories having the same identifier when a new file is stored in the directory. The file name is read out, and the file number based on the read file name plus the largest file number plus 1 is used as the file number of the new file, and the file name based on the file number of the new file is renewed. And a file management step for storing and recording in a directory corresponding to the file type .

Information processing apparatus and method of the present invention, and the program is generated a plurality of directories that assigned the same identifier, when a new file is stored in the directory, is stored in a plurality of directories with the same identifier The file names of all the files that have been read are read, and the file number based on the read file name plus 1 is added to the largest file number as the new file number. A file name based on the file number is attached to a new file , stored in a directory corresponding to the file type, and recorded.
The image processing apparatus according to the present invention includes a generating unit that generates a plurality of directories to which the same identifier is assigned, and all the information stored in the plurality of directories having the same identifier when a new image file is stored in the directory. The file name of the image file is read out, the file number based on the read file name is added with 1 to the largest file number, and the file number of the new image file is set as the file number of the new image file. File management means for assigning a file name based on the new image file and storing and recording it in a directory corresponding to the type of the image file.
In the image processing apparatus of the present invention, when a plurality of directories to which the same identifier is assigned are generated and a new image file is stored in the directory, all of the directories stored in the plurality of directories having the same identifier are stored. The file name of the image file is read out, and the file number based on the read file name is obtained by adding 1 to the largest file number as the file number of the new image file. A file name based on the file number is attached to a new image file, stored in a directory corresponding to the type of the image file, and recorded.

  According to the present invention, even when still and moving image files are recorded in different directories, the order of shooting can be easily managed.

  FIG. 1 shows a configuration example of a digital camera 1 to which the present invention is applied. The digital camera 1 can shoot still images and moving images.

  A CPU (Central Processing Unit) 11 executes various processes according to a program recorded in a ROM (Read Only Memory) 12. The RAM 13 also appropriately stores data necessary for the CPU 11 to execute various processes.

  The drive 14 records the image data supplied from the CPU 11 on a recording medium 15 made of a magnetic disk, an optical disk, a magneto-optical disk, a hard disk, or a semiconductor memory, and reads the image data recorded on the recording medium 15. To the CPU 11.

  In addition, when the recording medium 15 is removable and a program that operates with the digital camera 1 is stored in the recording medium 15, the drive 14 may read it from the recording medium 15 and cause the CPU 11 to execute it. it can.

  The camera unit 21 includes a lens, a CCD (Charged Coupled Device), and the like, and supplies image data obtained as a result of imaging to the image processing unit 22.

  The image processing unit 22 performs image processing such as gamma conversion, color space conversion, and white balance on the image data supplied from the camera unit 21, and supplies the image data obtained as a result to the CPU 11.

  The still image codec unit 23 performs JPEG (Joint Photographic Experts Group) compression processing on the image data supplied from the CPU 11 and processed by the image processing unit 22, and the resulting image data (still image image). Data) is returned to the CPU 11. The still image codec unit 23 also performs JPEG decompression processing on the JPEG compressed image data supplied from the CPU 11, for example, stored in the recording medium 15, and obtains still image data (YUV format Return digital image data) to the CPU 11.

  The moving image codec unit 24 performs MPEG (Moving Picture Experts Group) compression processing on the moving image data (YUV digital image data) processed by the image processing unit 22 supplied from the CPU 11, and the resulting moving image data The image data is returned to the CPU 11. The moving image codec unit 24 also performs MPEG expansion processing on the MPEG compressed image data supplied from the CPU 11, for example, stored in the recording medium 15, and results in moving image data (YUV format digital image). Data) is returned to the CPU 11.

  The display control unit 25 converts the image data (YUV digital image data) supplied from the CPU 11 into an RGB signal, and supplies the RGB signal to a display unit 26 constituted by an LCD (Liquid Crystal Display) or the like for display.

  The shutter switch 27 is a switch operated by the user when taking a still image.

  The operation button group 28 is a button group necessary for the user to operate the digital camera 1, such as a cross key and a determination button. Note that a still image shooting mode for shooting a still image or a moving image shooting mode for shooting a normal moving image is set by operating a predetermined button of the operation button group 28.

  FIG. 2 shows a functional configuration example of the digital camera 1.

  The image data input unit 51 inputs the image data captured by the camera unit 21 (FIG. 1) and supplies the input image data to the camera control unit 52.

  The camera control unit 52 generates image data for a still image from the image data supplied from the image data input unit 51 and supplies the image data to the still image processing unit 53 under the control of the central control unit 62, or for moving images. Image data is generated and supplied to the moving image processing unit 54.

  The still image processing unit 53 requests the still image codec unit 23 to perform JPEG compression processing on the image data of the still image supplied from the camera control unit 52 under the control of the central control unit 62, and the still image codec unit 23 is supplied. JPEG compression processing is performed on the still image data (hereinafter, for the sake of simplicity, it is described that the still image processing unit 53 performs JPEG compression processing as appropriate), and the resulting image data is managed as a file. Supplied to the unit 55. The still image processing unit 53 also requests the still image codec unit 23 to perform JPEG expansion processing on the JPEG compressed image data recorded on the recording medium 15 supplied from the file management unit 55 according to the control of the central control unit 62. The still image codec unit 23 performs JPEG expansion processing on the supplied JPEG compressed image data (hereinafter, for the sake of simplicity, it is described that the still image processing unit 53 performs JPEG expansion processing as appropriate), and the result The obtained image data is supplied to the central control unit 62.

  Under the control of the central control unit 62, the moving image processing unit 54 requests the moving image codec unit 24 to perform MPEG compression processing on the moving image data supplied from the camera control unit 52, and the moving image codec unit 24 supplies the moving image image. The data is subjected to MPEG compression processing (hereinafter, for the sake of simplicity, it is described that the moving image processing unit 54 performs MPEG compression processing as appropriate), and the resulting image data is supplied to the file management unit 55. .

  The moving image processing unit 54 also requests the moving image codec unit 24 to perform MPEG expansion processing on the MPEG compressed image data stored in the recording medium 15 supplied from the file management unit 55 according to the control of the central control unit 62. The codec unit 24 performs MPEG expansion processing on the supplied MPEG compressed image data (hereinafter, for the sake of simplicity, it is described that the moving image processing unit 54 performs MPEG expansion processing as appropriate), and the resulting moving image Are supplied to the central control unit 62.

  The file management unit 55 stores the still image and moving image image data supplied from the still image processing unit 53 and the moving image processing unit 54 in different directories and records them in the recording medium 15.

  As shown in FIG. 3, the file management unit 55 separately provides a directory for recording still images and a directory for recording moving images, for example, under the top directory TOP / of the recording medium 15. (No. 100) and a directory name including the identifier (No. 100) is assigned (for example, a directory name having the first three characters as an identifier number is assigned).

  In the example of FIG. 3, the directory for recording still images is provided under the directory DCIM / under the top directory TOP /, and 100MSDCF is assigned as the directory name. A directory for recording moving images is provided under the directory MP_ROOT / under the top directory TOP /, and 100MNV01 is assigned as the directory name.

  Although details will be described later, the file management unit 55 records the files stored in the directory having the same directory identifier (in the example of FIG. 3, both the directory 100MSDCF / and the directory 100MNV01) when recording an image. Read the name. Since the file name is given including, for example, a serial number (hereinafter referred to as a file number) indicating the order in which the files are stored in a directory having the same directory identifier, the file management unit 55 sets the largest file number. The file name including the number obtained by adding 1 is set as the file name of the image to be recorded.

  If the image to be recorded is a still image, the file management unit 55 adds the still image extension (JPG) to the determined file name and records it in the directory 100MSDCF /. If the image to be recorded is a moving image, Then, an extension (MP4) for moving images is added to the determined file name and recorded in the directory 100MNV01 /.

  That is, when still images and moving images are recorded in different directories in this way, the same identifier is given to each directory, and the file name is determined including information indicating the order in which the entire directory having the same identifier is recorded there. As a result, even when still images and moving images are recorded in different directories, the shooting order (recorded order) can be easily managed from the file name.

  Returning to FIG. 2, the control signal input unit 61 inputs a signal corresponding to a user operation on the shutter switch 27 and the operation button group 28 and supplies the signal to the central control unit 62.

  The central control unit 62 controls the camera control unit 52, the still image processing unit 53, the moving image processing unit 54, and the file management unit 55 according to the signal input from the control signal input unit 61, and shoots a still image or a moving image. And play back the image.

  Next, recording processing in the digital camera 1 will be described with reference to the flowchart of FIG.

  When an operation for starting photographing is performed on the operation button group 28, the central control unit 62 receives a signal indicating that recording is requested from the control signal input unit 61 in step S1.

  In step S2, the central control unit 62 determines whether the image to be recorded is a still image or a moving image, and determines that the image is a still image (for example, the operation button group 28 is a still image shooting mode). If it has been operated to set the mode), the process proceeds to step S3.

  In step S <b> 3, the central control unit 62 outputs a still image recording command to the still image processing unit 53.

  In step S4, the still image processing unit 53 performs still image processing. Specifically, the still image processing unit 53 requests the camera control unit 52 to supply image data of a still image, and the captured still image supplied from the camera control unit 52 in response to the request. JPEG compression processing is performed on the image data. In step S5, the still image processing unit 53 supplies the image subjected to the still image processing to the file management unit 55 and requests recording thereof.

  In step S6, the file management unit 55 determines the identifier of the still image directory to be recorded here. In this example, the directory identifier is number 100.

  In step S7, the file management unit 55 reads all the file names stored therein from the directory having the directory name including the identifier determined in step S6.

  For example, in the example of FIG. 3, since the directory 100MSDCF / and the directory 100MNV01 / have directory names including the identifier of the number 100, the file names (DSC00001, DSC00003) of the file Fa1 and the file Fa2 from the directory 100MSDCF / Then, the file names (M4V00002, M4V00004) of the file Fb1 and the file Fb2 are read from the directory 100MNV01.

  In step S8, the file management unit 55 determines the file name of the image to be recorded here based on the file name read in step S7.

  Specifically, the file name has a format of DSCxxxxxx or M4Vxxxxxx, and a directory containing the same identifier in the "xxxxxx" part of the filename. A number (file number) indicating the order of recording in a directory having a name is incorporated. That is, in the example of FIG. 3, the file Fa1 has the directory name including the 100th identifier, the file Fb1 the second, the file Fa2 the third, and the file Fb2 the fourth. It is stored in the directory.

  Therefore, the file management unit 55 adds the number (000005) obtained by adding 1 to the largest file number (00004 in the example of FIG. 3) in the read file name of the still image to be recorded from now. The file number is used, and the file name is a file name (DSC00005) for a still image including the file number.

  In step S9, the file management unit 55 adds the still image extension (JPG) to the determined file name (DSC00005) from the still image supplied from the still image processing unit 53 as shown in FIG. The file Fa3 is stored in the directory 100MSDCF / where still images are stored.

  On the other hand, if it is determined in step S2 that the image to be recorded is a moving image, the process proceeds to step S10.

  In step S <b> 10, the central control unit 62 outputs a moving image recording command to the moving image processing unit 54.

  In step S11, the moving image processing unit 54 performs moving image processing. Specifically, the moving image processing unit 54 requests the camera control unit 52 to supply moving image data, and in response to the request, the moving image processing unit 54 converts the captured moving image data to the captured moving image data. On the other hand, MPEG compression processing is performed.

  In step S12, the moving image processing unit 54 supplies the image subjected to the moving image processing to the file management unit 55, and requests recording thereof.

  In step S13, the file management unit 55 determines the identifier of the moving image directory to be recorded here. In this example, the directory identifier is number 100.

  In step S14, the file management unit 55 reads all the file names stored in the directory having the directory name including the identifier determined in step S13.

  For example, when files as shown in FIG. 5 are recorded, since the directory 100MSDCF / and the directory 100MNV01 / have directory names including the identifier No. 100, the file names of the files Fa1 to Fa3 from the directory 100MSDCF / (DSC00001, DSC00003, DSC00005) and the file names (M4V00002, M4V00004) of the file Fb1 and the file Fb2 are read from the directory 100MNV01.

  In step S15, the file management unit 55 determines a file name to be recorded here based on the file name read in step S14.

  Specifically, as in the case of step S8, the file management unit 55 adds 1 to the largest file number in the read file name (00005 in the example of FIG. 5) ( No. 00006) is the file number of the moving image to be recorded now, and the file name (M4V00006) for the moving image including it is the file name of the moving image that is currently recorded.

  In step S16, the file management unit 55 converts the moving image supplied from the moving image processing unit 54 into the file Fb3 in which the determined file name (M4V00006) is attached with the moving image extension (MP4) as shown in FIG. Are stored in the directory 100MNV01 / in which moving images are stored.

  A still image or a moving image is recorded as described above.

  Next, for example, a file list display process referred to when the user determines an image to be displayed will be described with reference to a flowchart of FIG.

  In step S21, when the central control unit 62 receives a signal indicating that the file list display is requested from the control signal input unit 61, in step S22, the central control unit 62 determines a predetermined directory identifier (in this example, the 100th identifier). The file management unit 55 is requested to provide the file name of the file stored in the directory having the directory name including.

  In step S <b> 23, the file management unit 55 reads all the file names of the files stored in the directory having the directory name including the 100th identifier and supplies the read file names to the central control unit 62.

  In step S24, the central control unit 62 arranges the file icons from the file names supplied from the file management unit 55, for example, in ascending order of the file numbers, and displays them on the display unit 63. That is, since the file number is assigned for each shooting order (the order recorded in the directory having the directory name including the 100th identifier), if the file icons are displayed in the order of the file numbers, the file icons are displayed. Can be displayed in the order of shooting.

  Next, an operation for reproducing an image recorded on the recording medium 15 will be described with reference to a flowchart of FIG.

  In step S51, the central control unit 62 requests the file management unit 55 to play the designated file. For example, when an icon of a predetermined file displayed in the process of FIG. 7 is designated as a file to be played, the file management unit 55 is requested to play the file.

  In step S52, the file management unit 55 refers to the extension of the file requested to be played, and notifies the central control unit 62 whether the file is a moving image or a still image.

  In step S53, based on the notification from the file management unit 55, the central control unit 62 determines whether the file requested for reproduction is a moving image or a still image, and determines that the file is a still image. In step S54, the still image processing unit 53 is requested to reproduce the designated file.

  In step S55, the still image processing unit 53 requests the file management unit 55 to provide the designated file, expands the still image supplied from the file management unit 55 in response to the request, and obtains the result. The obtained image data is supplied to the central control unit 62. The central control unit 62 supplies the supplied image data to the display unit 63 for display.

  If it is determined in step S53 that the movie is a moving image, the process proceeds to step S56, and the central control unit 62 requests the moving image processing unit 54 to play the designated file.

  In step S57, the moving image processing unit 54 requests the file management unit 55 to provide the designated file, expands the moving image supplied from the file management unit 55 in response to the request, and obtains the result. The obtained image data is supplied to the central control unit 62. The central control unit 62 supplies the supplied image data to the display unit 63 for display.

  An image is reproduced as described above.

  In the present specification, the step of describing the program provided by the recording medium is not limited to the processing performed in chronological order according to the described order, but is not necessarily performed in chronological order. It also includes processes that are executed individually.

It is a block diagram which shows the structural example of the digital camera which provided this invention. It is a block diagram which shows the functional structural example of the digital camera of FIG. It is a figure which shows the structural example of a directory. It is a flowchart explaining a recording process. It is another figure which shows the structural example of a directory. It is another figure which shows the structural example of a directory. It is a flowchart explaining the display process of a file list. It is a flowchart explaining a reproduction | regeneration process.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Digital camera, 11 CPU, 12 ROM, 13 RAM, 14 Drive, 15 Recording medium, 21 Camera part, 22 Image processing part, 23 Still image codec part, 24 Movie codec part, 25 Display control part, 26 Display part, 51 Image data input unit, 52 Camera control unit, 53 Still image processing unit, 54 Movie processing unit, 56 File management unit, 61 Control signal input unit, 62 Central control unit, 63 Display unit

Claims (5)

A plurality of file types, in the information processing apparatus for recording and stored in different directories,
Generating means for generating a plurality of the directories assigned the same identifier;
When a new file is stored in the directory, the file names of all the files stored in the plurality of directories having the same identifier are read, and the file number based on the read file name The file number of the new file is obtained by adding 1 to the largest file number from 1 and the file name based on the file number of the new file is attached to the new file, and the directory according to the type of the file information processing apparatus and a file management means for recording stored in. Display means;
Control means and
With
The file management means reads the file names of all the files stored in a plurality of the directories having the same identifier,
The control means displays information indicating the file on the display means in an order corresponding to the file number based on the file name.
Information processing apparatus according to claim 1. A plurality of file types, the information processing method of an information processing apparatus for recording and stored in different directories,
Generating a plurality of said directories assigned the same identifier;
When a new file is stored in the directory, the file names of all the files stored in the plurality of directories having the same identifier are read, and the file number based on the read file name The file number of the new file is obtained by adding 1 to the largest file number from 1 and the file name based on the file number of the new file is attached to the new file, and the directory according to the type of the file information processing method including the file management step of recording stored in. A plurality of types of files, a program which is executed by a processor for controlling the information processing apparatus and stored in different directories recorded respectively,
Generating a plurality of said directories assigned the same identifier;
When a new file is stored in the directory, the file names of all the files stored in the plurality of directories having the same identifier are read, and the file number based on the read file name The file number of the new file is obtained by adding 1 to the largest file number from 1 and the file name based on the file number of the new file is attached to the new file, and the directory according to the type of the file A file management step for storing and recording the image, and the image input by the input step with information indicating the order in which the image is stored in the directory having the same identifier, and the directory corresponding to the type of the image Recording step to store and record in
Including programs.   In an image processing apparatus for storing and recording a plurality of types of image files in different directories,
  Generating means for generating a plurality of the directories assigned the same identifier;
  When storing a new image file in the directory, file names of all the image files stored in the plurality of directories having the same identifier are read, and file numbers based on the read file names The file number of the new image file is obtained by adding 1 to the largest file number from among the file numbers, and a file name based on the file number of the new image file is attached to the new image file. File management means for storing and recording in the directory according to type;
  An image processing apparatus comprising:

Images