JP4163655B2 - Image display device - Google Patents

Description

  The present invention relates to an image display apparatus that reads out image data to which a frame number is assigned from a recording medium and reproduces and displays the image data.

In recent years, many electronic cameras have an image display function for reproducing and displaying an image file recorded on a recording medium by photographing as necessary.
In such an electronic camera, an image file obtained by photographing is generally a memory card that can be attached and detached according to a hierarchy such as shown in FIG. 7, which conforms to a certain format such as DCF (Design Rule for Camera File system). Or the like.

  FIG. 8 is a diagram showing an example of the data structure of the memory card in which the image file is recorded as described above. However, the memory card shown in the figure is managed by a FAT (File Allocation Tables) file system. As shown in the figure, on this memory card, as directory information, a directory area in which the information of the directory one layer below the directory or the first cluster number of the area in which the image file is recorded is recorded, An image file area in which the image file itself is recorded is provided, and a desired image file can be accessed by tracing the head cluster number in order from the root directory area. For example, in order from the root directory area, the “DCIM” directory area with the leading cluster number “3” and the “100OLYMP” directory area with the leading cluster number “10” are traced to “AAAA0001.jpg” with the leading cluster number “50”. The file can be accessed.

  However, with such a method of tracking the first cluster number in order from the root directory area, if the number of image files and directories recorded on the memory card becomes enormous, the process until the desired image file is accessed. The required time will be longer. Therefore, when reproducing an image file, it takes time to read out a desired image file, and smooth image reproduction according to an image reproduction instruction cannot be performed.

  In particular, in recent years, with the widespread use of electronic cameras, recording media such as removable memory cards are also becoming increasingly popular, and electronic cameras can be easily photographed by anyone. The number of image files recorded on one recording medium tends to increase. For these reasons, the problem relating to the time required to access the image file has become a larger problem.

On the other hand, Patent Document 1 proposes the following file management device. This apparatus divides the moving image file into a plurality of divided files and creates a divided file control file in which the reproduction order of the divided files is registered in order to perform the moving image file reverse reproduction process. When moving image file reverse reproduction is performed, data is sequentially read from the plurality of divided files based on the created divided file control file, and reverse reproduction processing is performed. As a result, smooth reverse reproduction can be performed without taking time to read the data.
JP-A-6-75833

  This Patent Document 1 describes that images to be reproduced are divided into a plurality of groups, a divided file in which the reproduction order is registered is created, and smooth reproduction is performed without taking time to read the data. . However, the above-described conventional technique only describes creation of a control file for controlling the reproduction order of image files that exist in advance, and does not describe what kind of control file is created.

Also, when creating a control file, it is necessary to create a control file for all of the divided files, which consumes time and memory.
In view of the above circumstances, the present invention is capable of efficiently obtaining a reproduction list in a short time and with a small memory capacity without waste, and capable of performing smooth reproduction without requiring time for data reading. An object is to provide an apparatus.

In order to achieve the above object, an image display device according to a first aspect of the present invention is a first display device in which frame numbers are consecutive in an image display device that reads out and reproduces image data assigned frame numbers from a recording medium . As the image information related to the image data corresponding to each frame number in the range, the frame number corresponding to each image data in the first range and each in the first range in the area on the recording medium a first cluster number corresponding to the image data, including at least playlist, and play list creating means to create, the user is played instructing the direction frame number that a small way, its reproduction designated frame number, smallest when contained within the second range continuous towards the frame number increases from frame number, frame number der not included before Symbol play list included in the prior SL play list As the first images information Ru engages the image data corresponding to each frame number in the third range continuous to the smallest frame number included in the prior SL play list Te, each image in the third range Start adding at least the frame number corresponding to the data and the top cluster number corresponding to each image data in the third range in the area on the recording medium to the playlist, or by the user is played instructing the direction frame number increases ing, its reproduction designated frame number, included from highest frame number included in the prior SL play list in the fourth range contiguous towards the frame number is smaller when it is, engaged in image data corresponding to each frame number in the fifth range of continuing to highest frame number to a frame number that is not included in the prior SL play list included in the prior SL play list Second As the image information, said a fifth frame numbers of the image data in the range, the first cluster number corresponding to each image data in the range of the fifth in the region on the recording medium, at least the play an image information adding means for starting to add to the list, to add the middle of the first image information, a frame number, which is reproduction instruction by the user, the a frame number included in the prior SL play list first when included outside the range of 2, to delete the first image information in said additional developing, or, during addition of the second image information, the frame number is reproduced instructed by the user, when pre SL included in the outside of the fourth a frame number included in the play list, in the configuration having a deletion means for deleting the second image information in said additional developing .

The image display device according to the second aspect of the present invention is an image display device that reads out and reproduces image data assigned frame numbers from a recording medium, and each frame number within the first range in which the frame numbers are consecutive. As the image information related to the image data corresponding to, the frame number corresponding to each image data in the first range and the leading cluster corresponding to each image data in the first range in the area on the recording medium And a reproduction list creating means for creating a reproduction list including at least a number, and a user instructs the reproduction in a direction in which the frame number decreases, and the reproduction-designated frame number is included in the first frame included in the reproduction list. When the frame number is smaller than the number, the second frame number that is not included in the playlist and that is consecutive to the smallest frame number included in the playlist. As the first image information relating to the image data corresponding to each frame number in the range, the frame number corresponding to each image data in the second range and the second range in the area on the recording medium Starting to add at least the first cluster number corresponding to each image data to the reproduction list, or the user instructs reproduction in the direction in which the frame number increases, and the reproduction-instructed frame number is When the frame number is larger than the second frame number included in the playlist, the frame number is not included in the playlist and is within the third range that is continuous with the largest frame number included in the playlist. As the second image information related to the image data corresponding to each frame number, the frame number corresponding to each image data in the third range and the area on the recording medium A first cluster number corresponding to each image data of the serial in the third range, and the image information adding means for starting to add at least the playlist, in the middle add the first image information, reproduced by the user when indicated frame number, becomes larger frame number than the third frame number prior Symbol a first frame number larger than the third frame number of definitive to play list, the additional Applications remove the first image information in, or in the middle add the second image information, a frame number, which is reproduction instruction by the user, than the second frame number definitive before Symbol play list small fourth time became smaller frame number than a frame number the fourth frame number is a structure having a deletion means for deleting the second image information in said additional developing .

  According to the present invention, it is possible to efficiently obtain a reproduction list in a short time and with a small memory capacity without waste, and smooth reproduction can be performed without requiring time for data reading.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram showing a main configuration of an electronic camera to which an image display apparatus according to an embodiment of the present invention is applied.
This electronic camera is based on DCF, and here, it is assumed that an image file is recorded on a recording medium in accordance with the hierarchy shown in FIG. Further, a FAT file system is adopted as the file system.

  In the electronic camera shown in FIG. 1, the subject image formed by the photographing lens system 1 is photoelectrically converted into an electric signal by the image pickup device 2 and further subjected to predetermined image pickup processing by the image pickup circuit 3. A / D conversion is performed by the unit 4. The image data obtained in this way is subjected to predetermined image processing by a system controller (hereinafter simply referred to as “syscon”) 5, and then subjected to predetermined compression processing by an image processing unit 6. It is recorded as an image file in the removable memory 9 attached to the card slot 8 via F7. The removable memory 9 is a recording medium in which recorded contents are not lost even when the power of the electronic camera is turned off.

  On the other hand, the image file recorded in the removable memory 9 attached to the card slot 8 is read via the I / F 7 in accordance with an image reproduction instruction and subjected to a predetermined expansion process by the image processing unit 6. Thereafter, predetermined image processing is performed by the syscon 5 and stored in the VRAM 10. Then, it is read by the LCD driver 11 and the image is displayed on the built-in LCD 12.

  The DRAM 13 which is a built-in RAM is further used by the system controller 5 for temporarily storing image data A / D converted by the A / D unit 4 and for temporarily storing image data being processed by the image processing unit 6. A memory used as a work area for executing the control process, and a later-described reproduction list created by the system controller 5 is also stored in the memory.

The syscon 5 includes a CPU (Central Processing Unit), and controls the overall operation of the electronic camera by reading and executing a camera program stored in the built-in ROM 14. Create / add / delete lists.
The operation unit 15 has various modes such as a release button for giving a shooting instruction, a cross button for giving a frame advance instruction for a reproduced image, a power button for turning on / off the power, a shooting mode and a playback mode. It is composed of various buttons and switches operated by the user, such as a mode switching switch for switching, and receives various instructions from the user and notifies the system controller 5 of them.

Next, the reproduction list stored in the DRAM 13 will be described.
The playlist is created, added, or deleted by the system controller 5, and for each of a specific number of image files (image data) recorded in the attach / detach memory 9, the image file is stored in the attach / detach memory 9 in the order of storage. This shows the correspondence between a certain frame number, the file name of the image file, and the leading cluster number of the area on the removable memory 9 where the image file is recorded.

  When the image is reproduced, the start cluster number of the image file of the frame number to be reproduced is obtained by referring to this reproduction list, and the area starting from the start cluster number on the removable memory 9 is directly accessed to obtain the image file. By reading out and reproducing the image, it is possible to shorten the time required to access the image file and to perform smooth reproduction according to the reproduction instruction.

FIG. 2 is a diagram showing an example of a reproduction list stored in the DRAM 13.
As shown in the figure, the reproduction list 16 shows the correspondence between the frame number, the file name, and the head cluster number for each of a specific number of image files recorded in the removable memory 9. For example, when playing back the image file of frame number 1, first, the corresponding cluster number “50” is obtained by referring to this play list 16, and the area of cluster number 50 on the removable memory 9 is directly accessed. Then, the “AAAAA0001.JPG” file is read and the image is reproduced.

  In the following, the corresponding frame number, file name, and leading cluster number are also referred to as image information of the frame number. For example, in the example of FIG. 2, the corresponding frame number 1, the file name “AAAA0001.jpg”, and the head cluster number 50 are also referred to as image information of frame number 1.

In this embodiment, the frame number corresponds to the playback order.
Next, as an operation of the electronic camera, an operation performed when the power of the electronic camera is turned on or when the playback mode is first set will be described.
3 (a), 4 (a), (b), FIG. 5 and FIG. 6 (a) are flowcharts related to this operation, and FIG. 3 (b) is created / added / deleted in this operation. 6 (b), (c), (d), and (e) are image diagrams of the playlist added in this operation.

First, the playlists A, B, and C used in this operation will be described with reference to FIG.
As shown in FIG. 6B, in this operation, the reproduction list A is N (where N ≧ 500), and the N number of image files (image data) recorded in the removable memory 9 When a frame number is assigned to an image file, this is a reproduction list having image information for 100 frames backward from frame number 1, and the reproduction list B is 100 frames forward from frame number N at that time. A reproduction list having image information. The reproduction list C is a reproduction list having frame numbers other than the frame numbers included in the reproduction list A and the reproduction list B at that time, and having image information for a predetermined number of continuous frames. In this operation, the front indicates the direction in which the frame number decreases, and the rear indicates the direction in which the frame number increases.

Next, this operation will be described in detail with reference to FIGS. 3 (a), 4 (a), 4 (b), 5 and 6 (a).
When this operation starts, as shown in FIG. 3A, first, N, which is the frame number of the last image in the reproduction order, is set to X, which is the reproduction frame number (S1). Then, a reproduction list A having image information for 100 frames backward from frame number 1 and a reproduction list B having image information for 100 frames forward from frame number N are created (S2), and both reproduction lists are incorporated. Store in the RAM 13. Note that the image data related to the image file with the frame number N is the image data that was last captured and recorded in the removable memory 9.

Subsequently, the cluster number of the frame number X is acquired from the reproduction list stored in the internal RAM 13 (S3), the corresponding image file is read from the removable memory 9, and the image is displayed on the internal LCD 12 (S4).
Subsequently, it is determined whether or not the frame number X is included in the reproduction list A (S5). If the determination result is Yes, the process proceeds to S6, and if the determination result is No, the process proceeds to S10.

In the determination of S5, when the determination result is Yes, it is subsequently determined whether or not the frame number X is included in the 50 frames forward from the last frame number in the playlist A. (S6) If the determination result is Yes, the process proceeds to S7, and if the determination result is No, the process proceeds to S31.
In the determination of S6, if the determination result is Yes, then whether or not the last frame number in the reproduction list A and the foremost frame number in the reproduction list C are adjacent (continuous). (S7). If the determination result is Yes, the process proceeds to S31, and if the determination result is No, the process proceeds to S8. In the determination of S7, if the playlist C does not exist at the time of the determination, the determination result of S7 is No.

If the result of determination in S7 is No, all elements (image information) included in the reproduction list C are deleted (S8), and the process proceeds to S9. However, in S8, if the reproduction list C does not exist at this time, the process proceeds to S9 without doing anything.
In subsequent S9, image information for the last 100 frames subsequent to the last frame number in the reproduction list A is added to the reproduction list C, and the process proceeds to S31. However, in S9, if the reproduction list C does not exist at this time, a reproduction list C having image information for 100 frames is created and stored in the built-in RAM 13.

On the other hand, in the determination of S5, if the determination result is No, it is subsequently determined whether or not the frame number X is included in the reproduction list B (S10). If the determination result is Yes, Proceed to S11. If No, proceed to S15.
In the determination of S10, if the determination result is Yes, then it is determined whether or not the frame number X is included in the 50 frames backward from the foremost frame number in the playlist B. (S11), if the determination result is Yes, the process proceeds to S12, and if the determination result is No, the process proceeds to S31.

  In the determination of S11, if the determination result is Yes, then, the foremost frame number in the reproduction list B and the last frame number in the reproduction list C are adjacent (continuous). (S12), if the determination result is Yes, the process proceeds to S31, and if the result is No, the process proceeds to S13. In the determination at S12, if the playlist C does not exist at the time of the determination, the determination result at S12 is No.

In the determination at S12, if the determination result is No, all elements (image information) included in the reproduction list C are deleted (S13), and the process proceeds to S14. However, in S13, if the reproduction list C does not exist at this time, the process proceeds to S14 without doing anything.
In subsequent S14, image information for the 100 frames ahead of the frame number in front of the playlist B is added to the playlist C, and the process proceeds to S31. However, in S14, if the reproduction list C does not exist at this time, a reproduction list C having image information for 100 frames is created and stored in the built-in RAM 13.

  On the other hand, if the determination result in S10 is No, then whether or not the frame number X is included in the 50 frames backward from the foremost frame number in the playlist C is determined. If the determination result is Yes, the process proceeds to S16 in FIG. 4A, and if the determination result is No, the process proceeds to S23.

  In the determination at S15, when the determination result is Yes, as shown in FIG. 4 (a), the last frame number in the reproduction list A and the foremost frame number in the reproduction list C are then continued. Are adjacent (continuous) or not (S16). If the determination result is Yes, the process proceeds to S31 in FIG. 3A, and if No, the process proceeds to S17.

  If the result of this determination in S16 is No, then the total number of frame numbers existing between the last frame number in the playlist A and the foremost frame number in the playlist C Is less than 100 (S17). If the determination result is Yes, the total number of frame numbers in between is set to n (S18), and if the determination result is No, 100 is set to n (S19). Subsequently, image information for the previous n frames consecutive to the foremost frame number in the reproduction list C is added to the reproduction list C (S20).

  Subsequently, it is determined whether or not the total number of frame numbers included in the playlist C is greater than 300 (S21). If the determination result is Yes, the last frame number in the playlist C is forwarded. The image information for n frames is deleted from the reproduction list C (S22). If the determination result is No, S22 is skipped and the process proceeds to S31 in FIG.

  On the other hand, in the determination of S15 in FIG. 3 (a), if the determination result is No, then the frame number X is forwarded from the last frame number in the reproduction list C into 50 frames. Whether it is included is determined (S23). If the determination result is Yes, the process proceeds to S24 in FIG. 4B, and if it is No, the process proceeds to S31.

  In the determination of S23, when the determination result is Yes, as shown in FIG. 4B, the foremost frame number in the reproduction list B and the last frame number in the reproduction list C are subsequently continued. Are adjacent (continuous) or not (S24). If the determination result is Yes, the process proceeds to S31 in FIG. 3A, and if No, the process proceeds to S25.

  In the determination of S24, if the determination result is No, then the total number of frame numbers existing between the foremost frame number in the reproduction list B and the last frame number in the reproduction list C. Is less than 100 (S25). If the determination result is Yes, the total number of frame numbers between them is set to n (S26). If the determination result is No, 100 is set to n (S27). Subsequently, image information for the subsequent n frames following the last frame number in the reproduction list C is added to the reproduction list C (S28).

  Subsequently, it is determined whether or not the total number of frame numbers included in the playlist C is greater than 300 (S29). If the determination result is Yes, backward from the foremost frame number in the playlist C. The image information for n frames is deleted from the reproduction list C (S30). If the determination result is No, S30 is skipped and the process proceeds to S31 in FIG.

  In FIG. 3 (a), in S31, an instruction input from the user is awaited. Here, when pressing of the left button of the cross button is detected, X-1 is set to X (S32), and then it is determined whether X is smaller than 1 (S33), and the determination result is Yes. In the case of N, N is set to X (S34), and in the case of No, S34 is skipped and the process returns to S3.

  On the other hand, when it is detected in S31 that the right button of the cross button is pressed, X + 1 is set to X (S35), and then it is determined whether X is greater than N (S36). In this case, 1 is set to X (S37), and in the case of No, S37 is skipped and the process returns to S3.

  In this operation, in S9, S14, S20, and S28 described above, the pressing of the left button and the right button of the cross button can be detected even during the processing, and the pressing is detected. In this case, the corresponding image can be displayed based on a certain condition, and the process of adding the image information to the reproduction list C, which is the process, can be canceled.

FIG. 5 is a diagram showing a flowchart relating to each process of S9, S14, S20, and S28.
In the figure, if the image information to be added to the play list C is the image information of frame numbers a to b (b−a + 1 frame), first, a (the first frame number to be added to the play list C) is set to i. The setting is made (S38), and the image information of the frame number i is added to the reproduction list C (S39).

Subsequently, it is determined whether i = b (the last frame number to be added to the reproduction list C) (S40). If the determination result is Yes, this flow ends. If it is No, the flow ends. i + 1 is set to i (S41).
Subsequently, the presence / absence of an instruction input from the user is detected (S42), and if no instruction input is detected, the process returns to S39.

  On the other hand, when it is detected in S42 that the left button of the cross button is pressed, the same processing as S32 to 34 described above is performed (S43 to 45), and the process proceeds to S49, and the press of the right button of the cross button is detected. If this happens, the same processing as in S35 to S37 described above is performed (S46 to S48), and the process proceeds to S49.

In the subsequent S49, as will be described in detail later with reference to FIG. 6A, a process of determining whether or not to cancel the process of adding image information to the reproduction list C is performed.
Subsequently, it is determined whether or not the processing result of S49 is a determination result of canceling (S50). If the determination result is Yes, the image information of the added frame numbers a to i is displayed in the reproduction list C. (S51), and this flow ends. As a result, if the determination result is that the image is to be canceled, the reproduction list C returns to the state before the image information is added, and the image information of the frame numbers a to b is not added at all.

  On the other hand, in the determination of S50, if the determination result is No, it is subsequently determined whether or not the frame number X is included in any of the reproduction lists A, B, and C (S52). If the result is Yes, the top cluster number of the frame number X is acquired from the reproduction list (S53), the corresponding image file is read from the removable memory 9, the image is displayed on the built-in LCD 12 (S54), and the process goes to S39. Return. As a result, when it is determined that the frame number X is not canceled and the frame number X is included in any of the reproduction lists A, B, and C, an image corresponding to the frame number X is displayed.

  On the other hand, if the determination result in S52 is No, the image information of frame numbers i to b is added to the reproduction list C (S55), and this flow ends. As a result, when it is determined that the cancellation is not performed and the frame number X is not included in any of the playlists A, B, and C, an instruction from the user is made until all the additions to the playlist C are completed. Input detection is not performed.

FIG. 6 (a) is a diagram showing a flowchart relating to the processing of S49 described above, and FIGS. 6 (b), (c), (d), and (e) are image diagrams of reproduction lists relating to the processing.
As shown in FIG. 5A, in this process, first, the frame number of the image information added to the reproduction list C is the last 100 frames continuous to the last frame number in the reproduction list A. Whether it is image information, the image information for the 100 frames ahead of the foremost frame number in the playlist B, or the n frames ahead of the frame number in the playback list C. It is determined whether it is image information or image information for the n frames following the last frame number in the reproduction list C (S56).

  In the determination of S56, the frame number of the image information added to the reproduction list C is the last 100 frames following the last frame number in the reproduction list A, as shown in FIG. If it is image information, then it is determined whether or not the frame number X is included in the 60 frames ahead of the last frame number in the playlist A (S57). If the determination result is Yes, the processing result is not canceled (S58), and if the determination result is No, the processing result is cancellation (S59), and this flow is terminated.

  Alternatively, in the determination of S56, the frame number of the image information added to the reproduction list C is the number of the previous 100 frames continuous to the foremost frame number in the reproduction list B as shown in FIG. Then, it is determined whether or not the frame number X is included in the backward 60 frames that are continuous with the foremost frame number in the reproduction list B (S60). If the determination result is Yes, the processing result is that the cancellation is not performed (S58). If the determination result is No, the processing result is that the cancellation is not performed (S59), and the flow ends.

  Alternatively, in the determination of S56, the frame number of the image information added to the reproduction list C is the number corresponding to the front n frames continuous to the foremost frame number in the reproduction list C as shown in FIG. In the case of the image information, it is determined whether or not the frame number X is included in the 60 frames that follow the frontmost frame number in the playlist C (S61). If the determination result is Yes, the processing result is that the cancellation is not performed (S58). If the determination result is No, the processing result is that the cancellation is not performed (S59), and the flow ends.

  Alternatively, in the determination of S56, the frame number of the image information added to the reproduction list C is the number of the backward n frames that are consecutive to the last frame number in the reproduction list C, as shown in FIG. Then, it is determined whether or not the frame number X is included in the 60 frames ahead of the last frame number in the playlist C (S62). If the determination result is Yes, the processing result is that the cancellation is not performed (S58). If the determination result is No, the processing result is that the cancellation is not performed (S59), and the flow ends.

  Here, the processing when the left and right buttons are pressed during the process of adding image information to the reproduction list C has been described with reference to FIGS. 5 and 6A to 6E. The same process is performed when the left and right buttons are pressed during the process of creating the play list C performed when the play list C does not exist.

  As described above, according to this embodiment, during the process of adding image information to the playlist C, the frame number X is a fixed number from the frame number of the image information added to the playlist C when the user presses the left or right button. When the frame number is more distant than the above, the process of adding the image information to the reproduction list C is canceled, so that the image information that is less likely to be reproduced recently is stored in the built-in RAM 13. You can avoid it. Therefore, it is possible to efficiently obtain a reproduction list without waste with a small memory capacity, and it is possible to perform smooth reproduction without requiring time for data reading.

  In addition, even when image information is being added to the playlist C in this way, the addition processing is canceled based on a certain condition in response to the user's right button or left button being pressed. Processing for adding image information for the previous n frames consecutive to the foremost frame number in list C, and image information for the subsequent n frames for the last frame number in reproduction list C are added. It is possible to prevent the processing from being performed at the same time, and the burden on the syscon 5 can be reduced.

  Further, the number of frames (for example, 50 frames in S6 in FIG. 3A) serving as a threshold when determining whether or not to add image information to the reproduction list C and the processing for adding the image information to the reproduction list C are performed. The right button and the left button are pressed in the vicinity of the threshold by providing a difference in the number of frames (for example, 60 frames in S57 in FIG. 6A) used as a threshold when determining whether or not to cancel. Thus, frequent addition and deletion of image information can be prevented, and the burden on the system controller 5 can be reduced. If there is no particular problem such as the processing capacity of the syscon 5 being sufficiently high, the number of frames can be the same.

  In this embodiment, the reproduction lists A, B, and C are stored in the built-in RAM 13 different from the removable memory 9 in which the image file is recorded, but the image file is recorded. It is also possible to record in the removable memory 9. In this case, at least the playlists A, B, and C are recorded and held in the removable memory 9 while the electronic camera is being activated (powered on).

In addition, the electronic camera is provided with a plurality of card slots so that a plurality of detachable memories can be mounted at the same time, and playlists A, B, and C relating to image files recorded in one detachable memory are transferred to the other detachable memory. It is also possible to record in a memory.
In this embodiment, the image display device according to the present invention is applied to an electronic camera. However, other devices such as PDAs, PHSs, and cellular phones that can reproduce image files recorded on a recording medium are also available. Needless to say, the present invention may be applied to an image display apparatus that reproduces an image file recorded on a recording medium.

  The present invention has been described in detail above. However, the present invention is not limited to the above-described embodiments, and various modifications and changes may be made without departing from the scope of the present invention.

1 is a diagram illustrating a main configuration of an electronic camera according to Embodiment 1. FIG. It is a figure which shows an example of the reproduction | regeneration list | wrist memorize | stored in DRAM. (a) is a figure which shows the flowchart which concerns on an example of operation | movement of an electronic camera, (b) is an image figure of the play list created / added / deleted by this operation | movement. (a), (b) is a figure which shows the flowchart which concerns on an example of operation | movement of an electronic camera. It is a figure which shows the flowchart which concerns on an example of operation | movement of an electronic camera. (a) is a diagram showing a flowchart according to an example of the operation of the electronic camera, and (b), (c), (d), and (e) are image diagrams of a playlist related to the processing of (a). It is a figure which shows an example when an image file is recorded on the recording medium according to the hierarchy based on a fixed format. It is a figure which shows an example of the data structure of the memory card with which the image file was recorded.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shooting lens system 2 Image sensor 3 Imaging circuit 4 A / D part 5 Syscon 6 Image processing part 7 I / F
8 Card slot 9 Removable memory 10 VRAM
11 LCD driver 12 Built-in LCD
13 Built-in RAM (DRAM)
14 Internal ROM
15 Operation section 16 Playlist

Claims (2)

In an image display device that reads out image data with a frame number from a recording medium and reproduces and displays the image data,
As image information related to image data corresponding to each frame number in the first range in which the frame numbers are continuous, the frame number corresponding to each image data in the first range, and the area in the area on the recording medium a first cluster number corresponding to each image data in the first range, at least including playlist, and play list creating means to create,
The user is played instructing the direction frame number that a small way, the reproduction designated frame number, the second a continuous range from the smallest frame number contained before Symbol play list towards the frame number increases image data corresponding to each frame number when contained within a third range that is continuous with the smallest frame number included in the prior SL play list even before Symbol frame number which is not included in the play list in the first images information Ru engagement, the third frame numbers of the image data in the range, the head cluster corresponding to each image data in said third range in area on the recording medium start adding the number to at least the playlist, or, most users are reproduction instruction to the direction frame number ing significantly depending, its reproduction designated frame number is included in the prior SL play list When contained within a fourth range which is continuous from the listening frame number for those frame number is small, the largest frame that contains a pre-Symbol frame number which is not included in the play list before Symbol play list a fifth second images information Ru engages the image data corresponding to each frame number in the range of continuing to number, a frame number corresponding to each image data in the range of the fifth, on the recording medium Image information adding means for starting to add at least a head cluster number corresponding to each image data in the fifth range in the region to the reproduction list;
Said additional middle of the first image information, when the frame number is reproduced instructed by the user, is included outside the second range to a frame number included in the prior SL play list, the additional Applications remove the first image information in, or, wherein the middle addition of a second image information, a frame number frame number reproduced instructed by the user, it included in the prior SL play list when included outside the fourth range, and deleting means for deleting the second image information in said additional developing,
An image display apparatus. In an image display device that reads out image data with a frame number from a recording medium and reproduces and displays the image data,
As image information related to image data corresponding to each frame number in the first range in which the frame numbers are continuous, the frame number corresponding to each image data in the first range, and the area in the area on the recording medium A playlist creating means for creating a playlist including at least a first cluster number corresponding to each image data in the first range;
When the user gives a playback instruction in the direction of decreasing frame number, and the playback-instructed frame number becomes a frame number smaller than the first frame number included in the playback list, it is not included in the playback list. Each image in the second range is used as the first image information relating to the image data corresponding to each frame number in the second range that is a frame number and continues to the smallest frame number included in the playlist. Starting to add at least the frame number corresponding to the data and the top cluster number corresponding to each image data in the second range in the area on the recording medium to the playlist, or by the user A playback instruction is given in the direction of increasing the frame number, and the playback-instructed frame number is a frame number greater than the second frame number included in the playlist. As the second image information relating to the image data corresponding to each frame number within a third range that is a frame number not included in the playlist and that is continuous with the largest frame number included in the playlist. The frame number corresponding to each image data in the third range and the first cluster number corresponding to each image data in the third range in the area on the recording medium are added to at least the reproduction list. Image information adding means for starting
During addition of the first image information, a frame number, which is reproduction instruction by the user, the first frame number is larger than a third said a frame number a third frame number definitive before Symbol play list when it becomes larger frame number than deletes the first image information in said additional developing, or, during addition of the second image information, the frame number is reproduced instructed by the user, before SL is when it becomes smaller frame number than said a second frame number smaller than the fourth frame number of definitive to play list 4 of the frame number, the second image in said additional developing and deleting means for deleting the information,
An image display apparatus.

Images