JP5574606B2 - Information processing system, processing method thereof, information processing apparatus, and program - Google Patents

Description

  The present invention relates to an information processing system, a processing method thereof, an information processing apparatus, and a program.

  In recent years, digital home appliances such as a digital still camera, a digital video camcorder, and a DVD recorder with a built-in hard disk drive are rapidly spreading, and the need for a highly interactive user interface is increasing.

  In these digital home appliances, in particular, embedded devices need to operate with a limited cache capacity, and it is necessary to control the limited cache capacity to improve the hit rate.

As conventional cache control, a technique that includes a plurality of image caches associated with access display conditions and a technique that changes prefetch conditions according to operation inputs are known (see Patent Document 1).
JP 2008-26986 A

  However, in the conventional technology described above, the number of caches increases as the number of data increases, and it is difficult to perform prefetch cache with a limited memory capacity.

  Therefore, the present invention has been made in view of the above problems, and an information processing system, a processing method thereof, and an information processing apparatus for improving a cache hit rate even when the cache capacity is limited And to provide a program.

In order to achieve the above object, an information processing system according to an aspect of the present invention includes:
A plurality of data, storage means for storing grouped into a plurality of groups based on attributes the data has,
Temporary storage means for temporarily storing data read from the storage means;
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups ;
Based on the number of acquired data by the acquisition unit, comprises a temporary memory control means for controlling reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of data acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage unit. Features.

An information processing system according to one embodiment of the present invention includes:
Storage means for storing a plurality of groups obtained by grouping a plurality of data based on an attribute of the data;
Temporary storage means for temporarily storing data read from the storage means;
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of groups arranged in a predetermined range on the display screen among the groups to be displayed on the display screen after switching ;
; And a temporary storage control means for controlling reading of data of the to the temporary storage means from said storage means based on the number of acquired groups by the acquisition unit,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of groups acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage unit. Features.

One embodiment of the present invention includes
The information processing system a plurality of data, comprising storage means for storing grouped into a plurality of groups based on attributes the data has a temporary storage means for temporarily storing data read from said memory means Processing method,
A display control step of generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
A detection step of detecting a user operation instructing switching of the display screen;
Based on the detection result in the detection step, an acquisition step of acquiring the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups ;
Based on the number of acquired data by the acquisition step, seen including a temporary storage control step for controlling the reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
In the temporary storage control step,
Based on the number of data acquired in the acquisition step, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage means. Features.

One embodiment of the present invention includes
Information processing system comprising: storage means for storing a plurality of groups obtained by grouping a plurality of data based on attributes of the data; and temporary storage means for temporarily storing data read from the storage means Processing method,
A display control step of generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
A detection step of detecting a user operation instructing switching of the display screen;
Based on the detection result in the detection step, among the groups to be displayed on the display screen after switching, an acquisition step of acquiring the number of groups arranged in a predetermined range on the display screen;
Look including a temporary storage control step for controlling the reading of data to the temporary storage unit from the storage unit based on the number of acquired groups in the acquisition step,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
In the temporary storage control step,
Preferentially reading either the first image data or the second image data from the data belonging to each group based on the number of groups acquired in the acquisition step to the temporary storage means. Features.

An information processing device according to one embodiment of the present invention includes:
A plurality of data, a temporary storage means for temporarily storing the data read from the storage means for storing grouped into a plurality of groups based on attributes the data has,
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups ;
Based on the number of acquired data by the acquisition unit, comprises a temporary memory control means for controlling reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of data acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage unit. Features.

An information processing device according to one embodiment of the present invention includes:
Temporary storage means for temporarily storing data read from storage means for storing a plurality of groups obtained by grouping a plurality of data based on attributes of the data;
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of groups arranged in a predetermined range on the display screen among the groups to be displayed on the display screen after switching ;
; And a temporary storage control means for controlling reading of data of the to the temporary storage means from said storage means based on the number of acquired groups by the acquisition unit,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of groups acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage unit. Features.

A program according to one embodiment of the present invention is provided by:
A plurality of data, the computer having a temporary storage means for temporarily storing the data read from the storage means for storing grouped into a plurality of groups based on attributes the data has,
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
An acquisition unit that acquires the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups based on the detection result by the detection unit;
Based on the number of acquired data by the acquisition unit, a program for functioning as a temporary storage control means for controlling reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of data acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage unit. Features .

A program according to one embodiment of the present invention is provided by:
A computer comprising temporary storage means for temporarily storing data read from storage means for storing a plurality of groups obtained by grouping a plurality of data based on attributes of the data,
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
An acquisition means for acquiring the number of groups arranged within a predetermined range on the display screen among the groups to be displayed on the display screen after switching based on the detection result by the detection means;
A program for functioning as a temporary storage control means for controlling reading of data to the temporary storage unit from the storage unit based on the number of acquired groups by the acquisition unit,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of groups acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage unit. Features .

  According to the present invention, an improvement in the cache hit rate can be expected even when the cache capacity is limited.

  Hereinafter, an information processing system, a processing method thereof, an information processing apparatus, and a program according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

(Embodiment 1)
FIG. 1 is a diagram illustrating an example of a hardware configuration of an information processing system according to an embodiment of the present invention.

  Reference numeral 100 denotes an information processing apparatus. Reference numeral 110 denotes a display, which includes, for example, a display such as a liquid crystal display or a CRT display. The display 110 displays various data based on the output from the information processing apparatus 100.

  An infrared remote controller 120 functions as an operation unit. For example, the infrared remote controller 120 has a function of selecting contents from various data displayed on the display 110 and instructing switching of display. Note that the operation means is not necessarily realized by an infrared remote controller, and may be, for example, a touch panel, a mouse, a keyboard, or the like.

  The information processing apparatus 100 includes a central control unit (CPU) 101, a ROM 102, a RAM 103, a display IF 104, an infrared remote control IF 105, and a hard disk drive (HDD) 106 as hardware configurations. Composed.

  A CPU (Central Processing Unit) 101 controls the overall operation of the information processing apparatus 100 according to a control program stored in the ROM 102, the HDD 106, or the like. In addition to this, the CPU 101 also performs input / output control and data processing of various data. A ROM (Read Only Memory) 102 stores programs and various data. A RAM (Random Access Memory) 103 is used as a work area when a control program is executed by the CPU 101. An HDD (Hard Disk Drive) 106 stores an OS and various programs.

  An infrared remote controller IF (Interface) 105 receives an infrared signal from the infrared remote controller 120 and converts it into information that can be processed by an interface device driver (not shown). The display IF 104 converts screen information from a display device driver (not shown) into a signal that can be displayed by the display 110.

  The above is an example of a functional configuration in the information processing system. Note that the configurations provided in these information processing systems do not necessarily have to be realized as illustrated, and may be realized entirely or partially in any device in the system. For example, in the case of FIG. 1, the display 110 and the infrared remote controller 120 are provided outside the information processing apparatus 100, but these configurations may be provided inside the information processing apparatus 100.

  FIG. 2 is a block diagram illustrating an example of a functional configuration of the information processing apparatus 100 illustrated in FIG. Note that the functional configuration of the priority determination unit 202, the temporary storage control unit 203, the attribute information acquisition unit 205, the operation input detection unit 206, the display control unit 207, and the like is, for example, a control program stored in the ROM 102. This is realized by being executed by the CPU 101.

  The information processing apparatus 100 has, as its functional configuration, a storage unit 201, a priority determination unit 202, a temporary storage control unit 203, a temporary storage unit 204, an attribute information acquisition unit 205, and an operation input detection unit 206. And a display control unit 207.

  The storage unit 201 stores digital data including a wide range of sentences (text), music, images, videos, and the like. In the present embodiment, it is assumed that the storage unit 201 stores image data as digital data. The storage unit 201 stores a plurality of data (for example, preview image data and thumbnail image data) having different image quality for each data. Each data is grouped according to attribute information included in the data, and the storage unit 201 stores a plurality of groups. The storage unit 201 is realized as a part of the storage area of the HDD 106, for example.

  The operation input detection unit 206 detects one or a plurality of user operation inputs from the operation means (in the present embodiment, the infrared remote controller 120). The attribute information acquisition unit 205 acquires data to be displayed from the storage unit 201 based on the detection result of the operation input by the operation input detection unit 206, and attribute information of the data (in this embodiment, information on the group). To get. Note that the acquisition of data does not necessarily require acquisition of the substance of the data, and an identifier or the like indicating the data may be acquired.

  The priority determination unit 202 determines the priority for each data to be displayed. The priority determination unit 202 determines the priority based on attribute information (hereinafter referred to as attribute data) included in each data. The priority is determined every time the screen display is switched. Note that the higher the priority, the higher the probability of being read out to the temporary storage unit 204.

  The temporary storage control unit 203 performs control for reading data from the storage unit 201 to the temporary storage unit 204. This read control is performed based on the priority determined by the priority determination unit 202.

  The temporary storage unit 204 is a so-called cache, and temporarily stores data in association with a plurality of read conditions. The temporary storage unit 204 is realized as a part of the storage area of the RAM 103, for example. Data reading / writing to the temporary storage unit 204 can be performed at a higher speed than data reading / writing to the storage unit 201.

  The display control unit 207 generates a display screen and outputs the generated display screen on the display 110. The display control unit 207 generates a display screen based on the data stored in the temporary storage unit 204.

  Next, an example of attribute data according to the first embodiment will be described with reference to FIG.

  The attribute data 300 includes a file name, a thumbnail image file name, a preview image file name, an event name, and the like. The attribute data 300 is stored in the storage unit 201, for example.

  Here, the file name indicates the file name of the original image data, the thumbnail image file name indicates the file name of the thumbnail image data of the original image data, and the preview image file name indicates the file name of the preview image data. Yes. The event name indicates event information corresponding to the file. Each data is grouped by event name. For example, data whose event name is “travel” belongs to the same group. Thumbnail image data (first image data) refers to images with low resolution suitable for list display, and preview image data (second image data) refers to images with higher resolution than thumbnail image data. Yes. In this embodiment, preview image data is provided separately from the original image data, but the original image data may be used as the preview image data.

  In the case of the attribute data shown in FIG. 3, for example, the thumbnail image data with the file name “IMG — 0001.jpg” is “THM — 0001.jpg”, and the preview image data is “PRE — 0001.jpg”. The event information corresponding to this file is “travel”.

  Next, an example of a user interface screen according to the first embodiment will be described with reference to FIG.

  Reference numeral 401 denotes an event list screen, 402 denotes a thumbnail list screen, and 403 denotes a preview display screen. These screens have a hierarchical structure in the order of the thumbnail list screen 402 and the preview display screen 403 below the event list screen 401.

  First, the event list screen 401 shown in FIG. Reference numeral 411 denotes a screen name display area, and in the case of FIG. 4A, it is shown that it is an event list display. Reference numeral 412 denotes an event name display area. In the case of FIG. 4A, it is indicated that the associated event is “travel”. Reference numeral 413 denotes an area for displaying an image representing the event. Note that the image representing the event may be any image data belonging to the event, and may be image data selected at random or predetermined image data.

  Reference numeral 414 denotes an area for displaying the number of image data items belonging to the event (travel). In the case of FIG. 4A, it is indicated that there are 500 image data items belonging to “travel”. Similarly, it is shown that there are 50 image data of “birthday”, 300 images of “athletic meet”, 300 images of “wedding”, 50 images of “camp”, and 50 images of “ski”. Reference numeral 415 denotes a scroll bar, which indicates a displayed position and its range when the event list display can be scrolled left and right.

  Next, the thumbnail list screen 402 shown in FIG. 4B will be described. Reference numeral 421 denotes a screen name display area. In the case of FIG. 4B, it is indicated that the thumbnail list display of “travel” is displayed. Reference numeral 422 denotes a thumbnail image display area. Next, the preview display screen 403 shown in FIG. Reference numeral 431 denotes a screen name display area. In the case of FIG. 4C, it is indicated that a preview of “travel” is displayed. Reference numerals 432 to 437 are preview image display areas.

  Next, an example of the appearance of the infrared remote controller 120 shown in FIG. 1 will be described with reference to FIG. The appearance of the infrared remote controller 120 shown here is merely an example, and the button configuration, arrangement, button name, and the like are not limited thereto.

  Reference numerals 501 and 502 denote scroll buttons. The user instructs scrolling in the left direction by pressing the scroll button 501, and instructs scrolling in the right direction by pressing the scroll button 502.

  Reference numeral 503 denotes a thumbnail list button. For example, when the user presses the thumbnail list button 503 when the event list screen 401 is displayed, the thumbnail list screen 402 is displayed on the display 110. At this time, thumbnail image data belonging to the event selected on the event list screen 401 is displayed on the thumbnail list screen 402.

  Reference numeral 504 denotes a preview display button. For example, when the user presses the preview display button 504 when the event list screen 401 is displayed, the preview display screen 403 is displayed on the display 110. At this time, preview image data belonging to the event selected on the event list screen 401 is displayed on the preview display screen 403.

  Reference numeral 505 denotes an event list button. For example, when the user presses the event list button 505 when the thumbnail list screen 402 or the preview display screen 403 is displayed, the event list screen 401 is displayed on the display 110.

  Next, an example of a data configuration in the temporary storage unit 204 illustrated in FIG. 1 will be described with reference to FIG. Note that data starting with “THM-” indicates thumbnail image data, and data starting with “PRE-” indicates preview image data.

  Reference numeral 610 denotes a data configuration of the temporary storage unit 204 when the thumbnail list screen 402 described with reference to FIG. That is, thumbnail image data is stored in the temporary storage unit 204 when the thumbnail list screen 402 is displayed.

  Reference numeral 620 denotes a data configuration of the temporary storage unit 204 when the preview display screen 403 described with reference to FIG. That is, preview image data is stored in temporary storage unit 204 when preview display screen 403 is displayed.

  Reference numeral 630 denotes a data configuration of the temporary storage unit 204 when the event list screen 401 described with reference to FIG. Reference numeral 631 denotes thumbnail image data representing each event. Reference numerals 632, 634, and 635 denote thumbnail image data corresponding to events such as “travel”, “athletic meet”, and “wedding”. Reference numerals 633 and 636 denote preview image data corresponding to events such as “birthday” and “camp”. That is, when the event list screen 401 is displayed, either the thumbnail image data or the preview image data is stored in the temporary storage unit 204 according to the priority.

  FIG. 7 is a flowchart illustrating an example of a flow of activation processing in the information processing apparatus 100 illustrated in FIG.

  First, the information processing apparatus 100 starts a temporary storage control processing thread (S101). That is, data is read from the storage unit 201 to the temporary storage unit 204. In the display control unit 207, the information processing apparatus 100 reads data from the temporary storage unit 204, generates an initial screen from the read data, and outputs the initial screen to the display 110 (S102).

  After the screen display, the information processing apparatus 100 waits for detection of an operation input from the infrared remote controller 120 in the operation input detection unit 206 (NO in S103 to S107). Specifically, it waits until any of “thumbnail list operation”, “preview operation”, “event list operation”, “scroll operation”, and “end operation” is input by the user.

  If “thumbnail list operation (thumbnail list button 503 is pressed)” is detected (YES in S103), the information processing apparatus 100 causes the display control unit 207 to read thumbnail image data from the temporary storage unit 204 (S108). ). Specifically, thumbnail image data belonging to the event selected on the event list screen 401 is read from the temporary storage unit 204. Thereafter, the information processing apparatus 100 generates the thumbnail list screen 402 based on the data read from the temporary storage unit 204 in the display control unit 207, and outputs the generated display screen to the display 110 (S112).

  If “preview operation (preview display button 504 is pressed)” is detected (YES in S104), the information processing apparatus 100 reads preview image data from the temporary storage unit 204 in the display control unit 207 (S109). Specifically, preview image data belonging to the event selected on the event list screen 401 is read from the temporary storage unit 204. Thereafter, the information processing apparatus 100 generates the preview display screen 403 based on the data read from the temporary storage unit 204 in the display control unit 207, and outputs the generated display screen to the display 110 (S112).

  When “event list operation (event list button 505 pressed)” is detected (YES in S105), the information processing apparatus 100 causes the display control unit 207 to temporarily display thumbnail image data representing each event in the temporary storage unit 204. (S110). In the display control unit 207, the information processing apparatus 100 generates the event list screen 401 based on the data read from the temporary storage unit 204, and outputs the generated display screen to the display 110 (S112).

  When “scroll operation (pressing scroll button 502)” is detected (YES in S106), the information processing apparatus 100 causes the display control unit 207 to read image data corresponding to the scroll direction from the temporary storage unit 204 ( S111). In the display control unit 207, the information processing apparatus 100 generates a display screen based on the data read from the temporary storage unit 204, and outputs the generated display screen to the display 110 (S112).

  If “end operation” is detected (YES in S107), the process ends. When the “end operation” is not detected (NO in S107), the process returns to S103 again.

  8 and 9 are flowcharts showing an example of the flow of the temporary storage control process in the information processing apparatus 100 shown in FIG.

  When this process starts, the information processing apparatus 100 initializes the priority given to each data (S201). After initialization, the information processing apparatus 100 waits for detection of an operation input from the infrared remote controller 120 in the operation input detection unit 206 (NO in S202 to S207). Specifically, it waits until any of “thumbnail list operation”, “preview operation”, “event list operation”, “scroll operation”, and “end operation” is input by the user.

  If “thumbnail list operation (thumbnail list button 503 is pressed)” is detected (YES in S202), the information processing apparatus 100 increases the priority of thumbnail image data in the priority determination unit 202 (S208). . Specifically, the priority of thumbnail image data belonging to the event selected on the event list screen 401 is increased.

  When “preview operation (pressing preview display button 504)” is detected (YES in S203), the information processing apparatus 100 increases the priority of the preview image data in the priority determination unit 202 (S209). Specifically, the priority of the preview image data belonging to the event selected on the event list screen 401 is increased.

  When “event list operation (event list button 505 is pressed)” is detected (YES in S204), the information processing apparatus 100 uses the priority determination unit 202 to set the priority of thumbnail image data representing each event. (S210). Next, in the attribute information acquisition unit 205, the information processing apparatus 100 acquires information about a group (that is, an event) to which data to be displayed belongs, and derives the number of image data items belonging to each event (S211). Then, the number of image data belonging to each event is compared with a predetermined value in order. The predetermined value is a value serving as a reference for determining whether the number of image data is large, and can be changed as appropriate.

  If the number of image data is smaller than the predetermined value as a result of the comparison (YES in S212), the information processing apparatus 100 increases the priority of the preview image data belonging to the event in the priority determination unit 202 (S214). This is because when the number of image data is small, the user has a high tendency to view high-quality data.

  On the other hand, if the number of image data is not smaller than the predetermined value (NO in S212), the information processing apparatus 100 increases the priority of the thumbnail image data belonging to the event in the priority determination unit 202 (S213). This is because when the number of image data is large, the user has a high tendency to view a large amount of data through a list display or the like. Note that the processing of S211 to S214 is executed for all groups (events) to be displayed (NO in S215).

  Moving to FIG. 9, when a “scroll operation (pressing scroll buttons 501 and 502)” is detected (YES in S 205), the information processing apparatus 100 uses the priority determination unit 202 to prioritize image data corresponding to the scroll direction. The degree is increased (S216).

  After the processing described above, the information processing apparatus 100 determines whether the priority has been changed. As a result, if there is a change in priority and the temporary storage unit 204 is empty (YES in S206), the information processing apparatus 100 causes the temporary storage control unit 203 to store the storage unit 201 based on the changed priority. The data is read out and stored in the temporary storage unit 204 (S217). If an “end operation” is detected (YES in S207), this process ends. If “end operation” is not detected (NO in S207), the process returns to S202 again.

  As described above, according to the first embodiment, the number of data belonging to the event is determined for each event, the thumbnail image data is prioritized for an event with a large number of data, and the preview image data is selected for an event with a small number of data. Read into the cache with priority. This is because a user generally has a high tendency to browse more data in a list display when the number of data is large, and has a high tendency to browse with high-quality data when the number of data is small. Thus, according to the configuration of the first embodiment, an improvement in the cache hit rate can be expected even when the cache capacity is limited.

(Embodiment 2)
Next, Embodiment 2 will be described. The hardware configuration and functional configuration of the system and apparatus according to the second embodiment are the same as those in FIG. 1 and FIG. Here, differences from the first embodiment will be mainly described.

  First, an example of attribute data according to the second embodiment will be described with reference to FIG.

  The attribute data 900 includes a file name, thumbnail image file name, shooting date and time, and the like. The attribute data 900 is stored in the storage unit 201, for example.

  Here, the file name indicates the file name of the original image data, the thumbnail image file name indicates the file name of the thumbnail image data, and the shooting date / time indicates shooting date / time information corresponding to the file. Each data is grouped by shooting date and time. For example, data whose shooting dates are 2007/1/1 to 2007/1/31 belong to the same group. The thumbnail image data (first image data) refers to an image with a low resolution suitable for list display. In the present embodiment, the original image data (second image data) is used as the preview image data. However, like the first embodiment, preview image data may be provided separately from the original image data.

  In the case of the attribute data shown in FIG. 10, for example, the thumbnail image data of the file name “IMG — 0001.jpg” is “THM — 0001.jpg”, and the shooting date / time information is “2007/1/1”.

  Next, an example of a user interface screen according to the second embodiment will be described with reference to FIG. Reference numeral 1001 denotes a monthly list screen, reference numeral 1002 denotes a daily list screen, and reference numeral 1003 denotes a preview display screen. These screens have a hierarchical structure in the order of a daily list screen 1002 and a daily list screen 1002 and a preview display screen 1003 in the lower order.

  First, the monthly list screen 1001 shown in FIG. Reference numeral 1011 denotes a screen name display area. In the case of FIG. 11A, it is shown that the list is a monthly list display for 2007. Reference numeral 1012 denotes a month name display area, which indicates “2007/1” in the case of FIG. An area 1014 displays an image representing the year and month. The image representing the moon may be any image data whose shooting date / time belongs to the year / month, may be image data selected at random, or may be predetermined image data. May be.

  Reference numeral 1013 denotes an area for displaying the number of image data belonging to the date (January 2007). In the case of FIG. 11A, it is indicated that there are 500 pieces of image data photographed in January 2007. ing. Similarly, "2007/2" contains 50 images, "2007/3" contains 50 images, "2007/4" contains 100 images, "2007/5" contains 50 images, and "2007/6" contains 100 image data. It is shown that there is. Reference numeral 1015 denotes a scroll bar, which indicates the position being displayed and its range when the event list display can be scrolled left and right.

  Next, the daily list screen 1002 shown in FIG. Here, reference numeral 1021 denotes a screen name display area. In the case of FIG. 11B, it is shown that the display is a daily list display for January 2007. Reference numeral 1022 denotes a date display area, and in the case of FIG. 11B, “2007/1/1” is indicated. Reference numeral 1023 denotes an area for displaying the number of image data belonging to the date. In the case of FIG. 11B, it is indicated that there are 50 image data taken on January 1, 2007. Similarly, “2007/1/2” is 10 sheets, “2007/1/5” is 25 sheets, “2007/1/7” is 10 sheets, “2007/1/10” is 50 sheets, “2007/1” “/ 11” indicates that there are 80 image data. An area 1024 displays an image representing the date.

  Next, the preview display screen 1003 shown in FIG. Reference numeral 1031 denotes a screen name display area. In the case of FIG. 11C, it is shown that the preview display is January 1, 2007. Reference numeral 1037 denotes a file name display area. In the case of FIG. 11C, it is indicated that the name of the data is “2007/1/1”. Reference numerals 1032 to 1037 denote preview image display areas. 1032 to 1036 are moved back and forth by a scroll operation. For example, when a right scroll operation is instructed, 1032 image data is moved to the position 1033 and 1033 image data is moved to the position 1034. Others are moved in the same way.

  Here, the operation means according to the second embodiment, that is, the infrared remote controller 120 has the same appearance as that of FIG. 5 describing the first embodiment. However, the functions assigned to the buttons of the infrared remote controller 120 are different.

  Reference numeral 503 functions as a daily list button. For example, when the user presses the daily list button 503 when the monthly list screen 1001 is displayed, the daily list screen 1002 is displayed on the display 110.

  Reference numeral 504 functions as a preview display button. For example, when the user presses the preview display button 504 when the daily list screen 1002 or the monthly list screen 1001 is displayed, the preview display screen 1003 is displayed on the display 110.

  Reference numeral 505 functions as a monthly list button. For example, when the user presses the monthly list button 505 when the daily list screen 1002 or the preview display screen 1003 is displayed, the monthly list screen 1001 is displayed on the display 110.

  Next, an example of a data configuration in the temporary storage unit 204 according to the second embodiment will be described with reference to FIG. Note that data starting with “THM-” indicates thumbnail image data, and data starting with “IMG-” indicates original image data.

  Reference numeral 1110 denotes the data structure of the temporary storage unit 204 when the preview display screen 1003 described with reference to FIG. That is, when the preview display screen 1003 is displayed, the original image data is stored in the temporary storage unit 204.

  Reference numeral 1120 denotes a data configuration of the temporary storage unit 204 when the daily list screen 1002 described with reference to FIG. That is, thumbnail image data is stored in the temporary storage unit 204 when the daily list screen 1002 is displayed.

  Reference numeral 1130 denotes a data configuration of the temporary storage unit 204 when the monthly list screen 1001 described with reference to FIG. Reference numeral 1131 denotes thumbnail image data representing each month. Reference numerals 1132 and 1135 denote thumbnail image data corresponding to “2001/2” and “2001/5”. Reference numerals 1133, 1134, and 1136 denote original image data corresponding to “2001/2”, “2001/2”, and “2001/2”. That is, when the monthly list screen 1001 is displayed, either the thumbnail image data or the original image data is stored in the temporary storage unit 204 according to the priority.

  FIG. 13 is a flowchart illustrating an example of a flow of activation processing in the information processing apparatus 100 according to the second embodiment.

  First, the information processing apparatus 100 starts a temporary storage control processing thread (S301). That is, data is read from the storage unit 201 to the temporary storage unit 204. In the display control unit 207, the information processing apparatus 100 reads data from the temporary storage unit 204, generates an initial screen from the read data, and outputs the initial screen to the display 110 (S302). As the initial screen, for example, a monthly list screen 1001 including thumbnail image data representing each month is displayed.

  After the screen display, the information processing apparatus 100 waits for detection of an operation input from the infrared remote controller 120 in the operation input detection unit 206 (NO in S303 to S307). Specifically, it waits until any of “daily list operation”, “preview operation”, “monthly list operation”, “scroll operation”, and “end operation” is input by the user.

  If “daily list operation (press daily list button 503)” is detected (YES in S303), the information processing apparatus 100 causes the display control unit 207 to temporarily store thumbnail image data representing each day. Read from 204 (S308). Specifically, thumbnail image data that is representative of each day belonging to the year and month selected on the monthly list screen 1001 is read from the temporary storage unit 204. Thereafter, the information processing apparatus 100 generates a daily list screen 1002 based on the data read from the temporary storage unit 204 in the display control unit 207, and outputs the generated display screen to the display 110 (S312). When displaying the monthly list screen 1001 or the daily list screen 1002, the user can select the month or day by pressing the scroll buttons 501 and 502. When the left scroll button 501 is pressed at the upper left, the previous list screen is displayed. When the right scroll button 502 is pressed at the lower right, the next list screen is displayed.

  If “preview operation (pressing preview display button 504)” is detected (YES in S304), the information processing apparatus 100 causes the display control unit 207 to store the original image data of the selected month or day temporarily. The data is read from 204 (S309). Specifically, original image data belonging to the month or day selected on the monthly list screen 1001 or the daily list screen 1002 is read from the temporary storage unit 204. After that, the information processing apparatus 100 generates a preview display screen 1003 based on the data read from the temporary storage unit 204 in the display control unit 207, and outputs the generated display screen to the display 110 (S312).

  When “monthly list operation (pressing monthly list button 505)” is detected (YES in step S305), the information processing apparatus 100 temporarily stores thumbnail image data representing each month in the display control unit 207. Reading from the unit 204 (S310). Thereafter, the information processing apparatus 100 generates a monthly list screen 1001 in the display control unit 207 based on the data read from the temporary storage unit 204, and outputs the generated display screen to the display 110 (S312).

  If “scroll operation (pressing scroll buttons 501 and 502)” is detected (YES in S306), the information processing apparatus 100 causes the display control unit 207 to store image data corresponding to the scroll direction from the temporary storage unit 204. Read (S311). In the display control unit 207, the information processing apparatus 100 generates a display screen based on the data read from the temporary storage unit 204, and outputs the generated display screen to the display 110 (S312).

  If “end operation” is detected (YES in S307), the process ends. When the “end operation” is not detected (NO in S307), the process returns to S303 again.

  14 and 15 are flowcharts illustrating an example of the flow of temporary storage control processing in the information processing apparatus 100 according to the second embodiment.

  When this process starts, the information processing apparatus 100 initializes the priority given to each data (S401). After initialization, the information processing apparatus 100 waits for detection of an operation input from the infrared remote controller 120 in the operation input detection unit 206 (NO in S402 to S407). Specifically, it waits until any of “daily list operation”, “preview operation”, “monthly list operation”, “scroll operation”, and “end operation” is input by the user.

  Here, when “daily list operation (press daily list button 503)” is detected (YES in S402), the information processing apparatus 100 causes the priority determination unit 202 to prioritize thumbnail image data representing each day. (S408). Specifically, the priority of thumbnail image data that represents each day belonging to the year and month selected on the monthly list screen 1001 is increased.

  When the “preview operation (press preview display button 504)” is detected (YES in S403), the information processing apparatus 100 increases the priority of the original image data in the priority determination unit 202 (S409). Specifically, the priority of the original image data belonging to the month or day selected on the monthly list screen 1001 or the daily list screen 1002 is increased.

  When “monthly list operation (pressing monthly list button 505)” is detected (YES in S404), the information processing apparatus 100 causes the priority determination unit 202 to prioritize thumbnail image data representing each month. (S410). Next, in the attribute information acquisition unit 205, the information processing apparatus 100 acquires information about the group (that is, month) to which the data to be displayed belongs, and derives the number of image data belonging to each month (S411). Then, the number of image data belonging to each month is compared with a predetermined value in order. The predetermined value is a value serving as a reference for determining whether the number of image data is large, and can be changed as appropriate.

  If the number of image data is smaller than the predetermined value as a result of the comparison (YES in S412), the information processing apparatus 100 increases the priority of the original image data belonging to the month in the priority determination unit 202 (S414). This is because when the number of image data is small, the user has a high tendency to view high-quality data.

  On the other hand, if the number of image data is not smaller than the predetermined value (NO in S412), the information processing apparatus 100 raises the priority of thumbnail image data representing each day belonging to the month in the priority determination unit 202. (S413). This is because when the number of image data is large, the user has a high tendency to view a large amount of data through a list display or the like. Note that the processing of S411 to S414 is executed for all groups (months) to be displayed (NO in S415).

  Moving to FIG. 15, when “scroll operation (pressing scroll buttons 501, 502)” is detected (YES in S 405), the information processing apparatus 100 uses the priority determination unit 202 to prioritize image data corresponding to the scroll direction. The degree is increased (S416).

  After the processing described above, the information processing apparatus 100 determines whether the priority has been changed. As a result, if the priority is changed and the temporary storage unit 204 is empty (YES in S406), the information processing apparatus 100 causes the temporary storage control unit 203 to store the storage unit 201 based on the changed priority. The data is read out and stored in the temporary storage unit 204 (S417). If an “end operation” is detected (YES in S407), this process ends. If “end operation” is not detected (NO in S407), the process returns to S402 again.

  As described above, according to the second embodiment, the number of data photographed in the month is determined every month, the thumbnail image data is prioritized for a month with a large number of data, and the original for a month with a small number of data. The image data is preferentially read into the cache. This is because a user generally has a high tendency to browse more data in a list display when the number of data is large, and has a high tendency to browse with high-quality data when the number of data is small. Thus, according to the configuration of the second embodiment, an improvement in the cache hit rate can be expected even when the cache capacity is limited.

(Embodiment 3)
Next, Embodiment 3 will be described. Note that the hardware configuration and functional configuration of the system and apparatus according to the third embodiment are the same as those in FIG. 1 and FIG. 2 describing the first embodiment, and a description thereof will be omitted. Here, differences from the first embodiment will be mainly described. In the third embodiment, unlike the first and second embodiments, a mouse is used as the operation means.

  First, an example of attribute data according to the third embodiment will be described with reference to FIG.

  The attribute data 1400 includes a file name, a thumbnail image file name, a preview image file name, a shooting location, and the like. The attribute data 1400 is stored in the storage unit 201, for example.

  Here, the file name indicates the file name of the original image data, the thumbnail image file name indicates the file name of the thumbnail image data, and the preview image file name indicates the file name of the preview image data. The shooting location indicates shooting location information corresponding to the file. Each data is grouped according to the shooting location. For example, data whose shooting location is Shimomaruko Ota-ku, Tokyo belongs to the same group. The thumbnail image data (first image data) refers to an image having a low resolution suitable for display when arranged on a map, and the preview image data (second image data) refers to thumbnail image data. Also refers to high-resolution images. In this embodiment, preview image data is provided separately from the original image data, but the original image data may be used as the preview image data.

  In the case of the attribute data shown in FIG. 16, for example, the thumbnail image data of the file name “IMG — 0001.jpg” is “THM1 — 0001.jpg”, and the preview image data is “PRE — 0001.jpg”. The shooting location information corresponding to this file is “Shimomaruko, Ota-ku, Tokyo”.

  Next, an example of a user interface screen according to the third embodiment will be described with reference to FIG.

  Reference numeral 1501 denotes a wide area map display screen, 1502 denotes a preview display screen, and 1503 denotes an enlarged map display screen. These screens have a hierarchical structure in the order of an enlarged map display screen 1503 and a preview display screen 1502 below the wide area map display screen 1501.

  First, the wide area map display screen 1501 shown in FIG. Reference numeral 1511 denotes a screen name display area. In the case of FIG. 17A, it is indicated that the display is a wide area map display. Reference numerals 1512 to 1515 denote up / down / left / right key buttons. When the user clicks this button with a mouse, for example, the map is scrolled in the designated direction. Reference numerals 1516 and 1517 denote zoom buttons. When the user clicks an enlarge button 1516 with a mouse, for example, the map is displayed in an enlarged manner. For example, when the user clicks a reduction button 1517 with a mouse, the map is reduced and displayed. Reference numerals 1521 to 1526 denote areas for displaying images representative of the shooting locations. Representative image data is displayed from among the image data grouped as the same shooting location. Note that the image representing the shooting location may be any image data belonging to the group, and may be image data selected at random or predetermined image data. FIG. 17C shows an example in which a part of the wide area map display screen 1501 is enlarged. The screen configuration is the same as that of the wide area map display screen 1501 shown in FIG.

  Next, the preview display screen 1502 shown in FIG. Reference numeral 1531 denotes a screen name display area, which indicates a preview display in this case. For example, when the user clicks a shooting location (representative image data) on the map data with a mouse on the wide area map display screen 1501, a preview display screen 1502 related to the shooting location is displayed. Reference numerals 1532 to 1536 denote preview image display areas. 1532 to 1536 move back and forth by a scroll operation. For example, when a right scroll operation is instructed, the image data 1532 is moved to the position 1533, and the image data 1533 is moved to the position 1534. Others are moved in the same way.

  Next, an example of a data configuration in the temporary storage unit 204 according to the third embodiment will be described with reference to FIG. Note that data starting with “THM-” indicates thumbnail image data, and data starting with “PRE-” indicates preview image data.

  Reference numeral 1610 denotes a data configuration of the temporary storage unit 204 when the preview display screen 1502 described with reference to FIG. That is, preview image data is stored in temporary storage unit 204 when preview display screen 1502 is displayed.

  Reference numeral 1620 denotes a data configuration of the temporary storage unit 204 when the enlarged map display screen 1503 described with reference to FIG. That is, the thumbnail image data is stored in the temporary storage unit 204 when the enlarged map display screen 1503 is displayed.

  Reference numeral 1630 denotes the data structure of the temporary storage unit 204 when the wide area map display screen 1501 described with reference to FIG. Reference numerals 1631 and 1633 denote thumbnail image data representing each shooting location. Reference numerals 1632 and 1634 denote preview image data belonging to the shooting location. That is, when the wide area map display screen 1501 is displayed, either the thumbnail image data or the preview image data is stored in the temporary storage unit 204 according to the priority.

  FIG. 19 is a flowchart illustrating an example of a flow of activation processing in the information processing apparatus 100 according to the third embodiment.

  First, the information processing apparatus 100 starts a temporary storage control processing thread (S501). That is, data is read from the storage unit 201 to the temporary storage unit 204. In the display control unit 207, the information processing apparatus 100 reads data from the temporary storage unit 204, generates an initial screen from the read data, and outputs the initial screen to the display 110 (S502). As the initial screen, for example, a wide area map display screen 1501 in which thumbnail image data representing each shooting location is arranged on the map data is displayed.

  After the screen is displayed, the information processing apparatus 100 waits for detection of an operation input from the infrared remote controller 120 in the operation input detection unit 206 (NO in S503 to S507). Specifically, the process waits until one of “preview operation”, “enlargement operation”, “reduction operation”, “scroll operation”, and “end operation” is input by the user.

  If a “preview operation” is detected (YES in S503), the information processing apparatus 100 reads preview image data from the temporary storage unit 204 in the display control unit 207 (S508). Specifically, preview image data belonging to the shooting location selected on the wide area map display screen 1501 is read from the temporary storage unit 204. Thereafter, the information processing apparatus 100 generates the preview display screen 1502 based on the data read from the temporary storage unit 204 in the display control unit 207, and outputs the generated display screen to the display 110 (S512).

  When an “enlargement operation” is detected (YES in S504), the information processing apparatus 100 reads thumbnail image data from the temporary storage unit 204 in the display control unit 207 (S509). Specifically, thumbnail image data representing each shooting location within a predetermined range (within the display range after enlarged display) is read from the temporary storage unit 204. Thereafter, the information processing apparatus 100 generates an enlarged map display screen 1503 in the display control unit 207 based on the data read from the temporary storage unit 204 and the map data, and outputs the generated display screen to the display 110. (S512).

  If a “reduction operation” is detected (YES in S505), the information processing apparatus 100 causes the display control unit 207 to read thumbnail image data from the temporary storage unit 204 (S510). Specifically, thumbnail image data representing each shooting location within a predetermined range (within the display range after reduced display) is read from the temporary storage unit 204. Thereafter, the information processing apparatus 100 generates a wide area map display screen 1501 in the display control unit 207 based on the data read from the temporary storage unit 204 and the map data, and outputs the generated display screen to the display 110. (S512).

  When the “scroll operation” is detected (YES in S506), the information processing apparatus 100 reads the image data corresponding to the scroll direction from the temporary storage unit 204 in the display control unit 207 (S511). In the display control unit 207, the information processing apparatus 100 generates a display screen based on the data read from the temporary storage unit 204 and the map data, and outputs the generated display screen to the display 110 (S512).

  If “end operation” is detected (YES in S507), this process ends. If the “end operation” is not detected (NO in S507), the process returns to S503 again.

  20 and 21 are flowcharts illustrating an example of the flow of temporary storage control processing in the information processing apparatus 100 according to the third embodiment.

  When this process starts, the information processing apparatus 100 initializes the priority given to each data (S601). After initialization, the information processing apparatus 100 waits for detection of an operation input from the infrared remote controller 120 in the operation input detection unit 206 (NO in S602 to S606). Specifically, the process waits until one of “preview operation”, “enlargement operation”, “reduction operation”, “scroll operation”, and “end operation” is input by the user.

  Here, when the “preview operation” is detected (YES in S602), the information processing apparatus 100 increases the priority of the preview image data in the priority determination unit 202 (S607). Specifically, the priority of the preview image data belonging to the shooting location selected on the wide area map display screen 1501 is increased.

  When the “enlargement operation or reduction operation” is detected (YES in S603), the information processing apparatus 100 acquires, in the attribute information acquisition unit 205, information related to the group to which the data to be displayed belongs (that is, the shooting location). . In the third embodiment, the display position on the display screen to which each group is associated is acquired as information about the group. Then, the number of groups arranged within a predetermined range on the display screen (which may be the same as the display range) is derived (S608). In the third embodiment, cache control is performed based on the number of groups arranged within a predetermined range, that is, the group arrangement density.

  In the information processing apparatus 100, in the processes of S <b> 609 to S <b> 611, the number of shooting locations arranged in a predetermined range is compared with a predetermined value in order. The predetermined value is a value serving as a reference for determining whether or not the number of groups arranged in the predetermined range is large, and can be changed as appropriate.

  If the number of groups is smaller than the predetermined value as a result of the comparison (YES in S609), the information processing apparatus 100 increases the priority of the preview image data belonging to the shooting location in the priority determination unit 202 (S611). This is because when the number of data is large and the user is congested, the user has a high tendency to browse with a detailed classification display.

  On the other hand, if the number of groups is not smaller than the predetermined value (NO in S609), the information processing apparatus 100 increases the priority of thumbnail image data representing the shooting location in the priority determination unit 202 (S610). Note that the processing of S608 to S611 is executed for all the groups (shooting locations) to be displayed (NO in S612).

  Moving to FIG. 21, when the “scroll operation (pressing scroll buttons 501 and 502)” is detected (YES in S604), the information processing apparatus 100 causes the priority determination unit 202 to prioritize image data corresponding to the scroll direction. The degree is increased (S613).

  After the processing described above, the information processing apparatus 100 determines whether the priority has been changed. As a result, if there is a change in priority and the temporary storage unit 204 is empty (YES in S605), the information processing apparatus 100 causes the temporary storage control unit 203 to store the storage unit 201 based on the changed priority. The data is read out and stored in the temporary storage unit 204 (S614). If an “end operation” is detected (YES in S606), this process ends. If “end operation” is not detected (NO in S606), the process returns to S602 again.

  As described above, according to the third embodiment, the arrangement density of the image data (group) on the display screen is determined. If the arrangement density is high, the thumbnail image data has priority, and if the arrangement density is low, the preview image data has priority. And read it into the cache. This is because users are more likely to browse by displaying a detailed classification because the group cannot be specified when the number of data on the display screen is large and crowded, and when the number of data is small, the group can be specified. This is because there is a high tendency to browse with data of image quality. Thus, according to the configuration of the third embodiment, an improvement in the cache hit rate can be expected even when the cache capacity is limited.

  The above is an example of a typical embodiment of the present invention, but the present invention is not limited to the embodiment described above and shown in the drawings, and can be appropriately modified and implemented without departing from the scope of the present invention. . For example, Embodiments 1 and 2 may be combined with Embodiment 3.

  It should be noted that the present invention can take the form of, for example, a system, apparatus, method, program, or recording medium. Specifically, the present invention may be applied to a system composed of a plurality of devices, or may be applied to an apparatus composed of a single device.

  Further, the present invention achieves the functions of the embodiments by supplying a software program directly or remotely to a system or apparatus, and reading and executing the supplied program code by a computer incorporated in the system or apparatus. This includes cases where In this case, the supplied program is a computer program corresponding to the flowchart shown in the drawings in the embodiment.

  Accordingly, since the functions of the present invention are implemented by computer, the program code installed in the computer also implements the present invention. In other words, the present invention includes a computer program itself for realizing the functional processing of the present invention. In that case, as long as it has the function of a program, it may be in the form of object code, a program executed by an interpreter, script data supplied to an OS (Operating System), or the like.

  Examples of the computer-readable recording medium for supplying the computer program include the following. For example, floppy (registered trademark) disk, hard disk, optical disk, magneto-optical disk, MO, CD-ROM, CD-R, CD-RW, magnetic tape, nonvolatile memory card, ROM, DVD (DVD-ROM, DVD- R).

  As another program supply method, a browser of a client computer is used to connect to a web page on the Internet, and the computer program of the present invention is downloaded from the web page to a recording medium such as a hard disk. In this case, the downloaded program may be a compressed file including an automatic installation function. It can also be realized by dividing the program code constituting the program of the present invention into a plurality of files and downloading each file from a different web page. That is, the present invention includes a WWW server that allows a plurality of users to download a program file for realizing the functional processing of the present invention on a computer.

  Further, the program of the present invention may be encrypted, stored in a recording medium such as a CD-ROM, and distributed to users. In this case, a user who has cleared a predetermined condition is allowed to download key information for decryption from a web page via the Internet, execute a program encrypted using the key information, and install the program on the computer. You can also

  In addition to the functions of the above-described embodiment being realized by the computer executing the read program, the embodiment of the embodiment is implemented in cooperation with an OS or the like running on the computer based on an instruction of the program. A function may be realized. In this case, the OS or the like performs part or all of the actual processing, and the functions of the above-described embodiments are realized by the processing.

  Furthermore, the program read from the recording medium is written in a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer, so that part or all of the functions of the above-described embodiments are realized. May be. In this case, after a program is written to the function expansion board or function expansion unit, the CPU (Central Processing Unit) provided in the function expansion board or function expansion unit is a part of the actual processing or based on the instructions of the program. Do everything.

It is a figure which shows an example of the hardware constitutions of the information processing system concerning one embodiment of this invention. It is a block diagram which shows an example of a functional structure in the information processing apparatus 100 shown in FIG. It is a figure which shows an example of the attribute data concerning Embodiment 1. FIG. 6 is a diagram illustrating an example of a user interface screen according to the first embodiment. FIG. It is a figure which shows an example of the external appearance of the infrared remote control 120 shown in FIG. It is a figure which shows an example of a data structure in the temporary memory part 204 shown in FIG. 3 is a flowchart illustrating an example of a flow of activation processing in the information processing apparatus 100 illustrated in FIG. 1. 3 is a flowchart illustrating an example of a flow of a temporary storage control process in the information processing apparatus 100 illustrated in FIG. 1. 3 is a flowchart illustrating an example of a flow of a temporary storage control process in the information processing apparatus 100 illustrated in FIG. 1. An example of attribute data according to the second embodiment will be described. 10 is a diagram illustrating an example of a user interface screen according to Embodiment 2. FIG. 10 is a diagram illustrating an example of a data configuration in a temporary storage unit 204 according to the second embodiment. FIG. 10 is a flowchart illustrating an example of a flow of activation processing in the information processing apparatus 100 according to the second embodiment. 10 is a flowchart illustrating an example of a flow of temporary storage control processing in the information processing apparatus 100 according to the second embodiment. 10 is a flowchart illustrating an example of a flow of temporary storage control processing in the information processing apparatus 100 according to the second embodiment. An example of attribute data according to the third embodiment will be described. FIG. 10 is a diagram illustrating an example of a user interface screen according to the third embodiment. 10 is a diagram illustrating an example of a data configuration in a temporary storage unit 204 according to the third embodiment. FIG. 14 is a flowchart illustrating an example of a flow of activation processing in the information processing apparatus 100 according to the third embodiment. 14 is a flowchart illustrating an example of a flow of temporary storage control processing in the information processing apparatus 100 according to the third embodiment. 14 is a flowchart illustrating an example of a flow of temporary storage control processing in the information processing apparatus 100 according to the third embodiment.

100 Information processing apparatus 101 CPU
102 ROM
103 RAM
104 Display IF
105 Infrared remote control 106 HDD
DESCRIPTION OF SYMBOLS 110 Display 120 Infrared remote control 201 Storage part 202 Priority determination part 203 Temporary storage control part 204 Temporary storage part 205 Attribute information acquisition part 206 Operation input detection part 207 Display control part

Claims (10)

A plurality of data, storage means for storing grouped into a plurality of groups based on attributes the data has,
Temporary storage means for temporarily storing data read from the storage means;
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups ;
Based on the number of acquired data by the acquisition unit, comprises a temporary memory control means for controlling reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of data acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage unit. A featured information processing system. The temporary storage control means
If the number of data belonging to the group acquired by the acquisition means is smaller than a predetermined value, the second image data is preferentially read from the data belonging to the group to the temporary storage means, otherwise In this case, the information processing system according to claim 1 , wherein the first image data is preferentially read out from the data belonging to the group to the temporary storage unit. Storage means for storing a plurality of groups obtained by grouping a plurality of data based on an attribute of the data;
Temporary storage means for temporarily storing data read from the storage means;
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of groups arranged in a predetermined range on the display screen among the groups to be displayed on the display screen after switching ;
; And a temporary storage control means for controlling reading of data of the to the temporary storage means from said storage means based on the number of acquired groups by the acquisition unit,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of groups acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage unit. A featured information processing system. The temporary storage control means
When the number of groups acquired by the acquisition unit is smaller than a predetermined value, the second image data is preferentially selected from the data belonging to the group for the groups arranged in the predetermined range. Read to the temporary storage means, otherwise, for the group arranged within the predetermined range, the first image data is preferentially read from the data belonging to the group to the temporary storage means. The information processing system according to claim 3 . The information processing system a plurality of data, comprising storage means for storing grouped into a plurality of groups based on attributes the data has a temporary storage means for temporarily storing data read from said memory means Processing method,
A display control step of generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
A detection step of detecting a user operation instructing switching of the display screen;
Based on the detection result in the detection step, an acquisition step of acquiring the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups ;
Based on the number of acquired data by the acquisition step, seen including a temporary storage control step for controlling the reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
In the temporary storage control step,
Based on the number of data acquired in the acquisition step, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage means. A processing method of an information processing system as a feature. Information processing system comprising: storage means for storing a plurality of groups obtained by grouping a plurality of data based on attributes of the data; and temporary storage means for temporarily storing data read from the storage means Processing method,
A display control step of generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
A detection step of detecting a user operation instructing switching of the display screen;
Based on the detection result in the detection step, among the groups to be displayed on the display screen after switching, an acquisition step of acquiring the number of groups arranged in a predetermined range on the display screen;
Look including a temporary storage control step for controlling the reading of data to the temporary storage unit from the storage unit based on the number of acquired groups in the acquisition step,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
In the temporary storage control step,
Based on the number of groups acquired in the acquisition step, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage means. A processing method of an information processing system as a feature. A plurality of data, a temporary storage means for temporarily storing the data read from the storage means for storing grouped into a plurality of groups based on attributes the data has,
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups ;
Based on the number of acquired data by the acquisition unit, comprises a temporary memory control means for controlling reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of data acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to the group to the temporary storage unit. A characteristic information processing apparatus. Temporary storage means for temporarily storing data read from storage means for storing a plurality of groups obtained by grouping a plurality of data based on attributes of the data;
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
Based on the detection result by the detection means, an acquisition means for acquiring the number of groups arranged in a predetermined range on the display screen among the groups to be displayed on the display screen after switching ;
; And a temporary storage control means for controlling reading of data of the to the temporary storage means from said storage means based on the number of acquired groups by the acquisition unit,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of groups acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage unit. A characteristic information processing apparatus. A plurality of data, the computer having a temporary storage means for temporarily storing the data read from the storage means for storing grouped into a plurality of groups based on attributes the data has,
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
An acquisition unit that acquires the number of data belonging to each of the groups to be displayed on the display screen after switching among the plurality of groups based on the detection result by the detection unit;
Based on the number of acquired data by the acquisition unit, a program for functioning as a temporary storage control means for controlling reading of data of the to the temporary storage means from said storage means,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of data acquired by the acquisition unit, the first image data or the second image data is preferentially read from the data belonging to the group to the temporary storage unit.
A program characterized by that . A computer comprising temporary storage means for temporarily storing data read from storage means for storing a plurality of groups obtained by grouping a plurality of data based on attributes of the data,
Display control means for generating a display screen based on data temporarily stored in the temporary storage means and displaying the display screen on a display;
Detecting means for detecting a user operation instructing switching of the display screen;
An acquisition means for acquiring the number of groups arranged within a predetermined range on the display screen among the groups to be displayed on the display screen after switching based on the detection result by the detection means;
A program for functioning as a temporary storage control means for controlling reading of data to the temporary storage unit from the storage unit based on the number of acquired groups by the acquisition unit,
The storage means
As data to be grouped and stored based on the attribute information, first image data for displaying each of a plurality of images with a first image quality, and a second image quality higher than the first image quality Storing the second image data to be displayed in
The temporary storage control means
Based on the number of groups acquired by the acquisition unit, the first image data or the second image data is preferentially read out from the data belonging to each group to the temporary storage unit.
A program characterized by that .

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