JP5668272B2 - Digital photo frame and digital photo frame system - Google Patents

Description

  The present invention relates to a digital photo frame and a digital photo frame system.

  A digital photo frame provided with a display unit for electrically displaying an ornamental image is known (for example, see Patent Document 1).

JP 2001-67004 A

  However, when a plurality of images having different image quality stored in the internal memory or other systems are sequentially displayed at predetermined time intervals, there is a problem that the continuity of image quality is impaired.

  An object of the present invention is to provide a digital photo frame and a digital photo frame system capable of sequentially displaying a plurality of images at predetermined time intervals without impairing the continuity of image quality.

The digital photo frame of the present invention includes a display unit that sequentially displays images, a selection unit that selects an image to be displayed next on the display unit based on information on the image displayed on the display unit, and the like. A transmission unit that transmits the information used by the other digital photo frame to select an image .

The digital photo frame system of the present invention includes a first digital photo frame and a second digital photo frame. The first digital photo frame includes a first display unit for displaying an image and the second digital photo frame. A transmission unit that transmits the information of the image displayed on the first display unit, and the second digital photo frame receives the information from the first digital photo frame; and the information characterized in that it comprises a selector for selecting images, and a second display unit for displaying the image selected by the selecting unit based on.

  According to the digital photo frame and the digital photo frame system of the present invention, a plurality of images can be sequentially displayed at predetermined time intervals without impairing the continuity of image quality.

It is a perspective view which shows the external appearance of the digital photo frame which concerns on 1st Embodiment. 1 is a block diagram showing a system configuration of a digital photo frame according to a first embodiment. It is a flowchart for demonstrating the process at the time of a slide show being performed in the digital photo frame which concerns on 1st Embodiment. It is a figure which shows the structure of the digital photo frame system which concerns on 2nd Embodiment. It is a flowchart for demonstrating the process at the time of a slide show being performed in the digital photo frame system which concerns on 2nd Embodiment. It is a figure for demonstrating the area | region of the image displayed on a LCD panel. It is a flowchart for demonstrating the process at the time of a slide show being performed in the digital photo frame which concerns on 3rd Embodiment. It is a figure for demonstrating the area | region of the image displayed on a LCD panel.

  Hereinafter, a digital photo frame (hereinafter referred to as a DPF) according to a first embodiment of the present invention will be described with reference to the drawings. In general, there are DPFs that are installed on a desk or the like, and those that are installed on a wall. However, as an embodiment of the present invention, the DPF is installed on a desk or the like ( A description will be given using an example of an electronic photo frame. FIG. 1 is a perspective view showing the appearance of the DPF according to the first embodiment. The DPF 2 includes an apparatus main body 4 made of glass, plastic, or the like, and an LCD panel 6 as a display unit that electrically displays information such as an ornamental image and time is provided on the front surface of the apparatus main body 4. Further, an infrared detector 10 for detecting infrared rays output from a speaker 8 for outputting music and sound and an operation remote controller for the DPF 2 (not shown) is provided on the front surface of the apparatus body 4. Further, on the upper surface of the apparatus main body 4, there are provided a power switch 12 for switching the power on / off state of the DPF 2 and an operation key 14 used for function setting of the DPF 2 and display setting of the LCD panel 6. Further, one side of the apparatus body 4 is connected to a memory card slot 16 into which a memory card storing data such as images and music is inserted, a USB port 18 to which a USB device is connected, and a network such as the Internet. For this purpose, a network terminal 20 is provided.

  FIG. 2 is a block diagram showing a system configuration of the DPF 2 according to the first embodiment. The above-described infrared detection unit 10, power switch 12, operation key 14, memory card slot 16, USB port 18, and network terminal 20 are connected to the CPU 30 that comprehensively controls each unit of the DPF 2. Further, the CPU 30 is connected to a buffer memory 32 for temporarily storing data such as images and music, and an internal memory 34 for storing function settings of the DPF 2, information regarding data such as images and music, and image quality. ing. The CPU 30 is connected to a display control unit 36 that performs display control of images and information displayed on the LCD panel 6, and a playback control unit 38 that performs playback control of music and audio output from the speaker 8. .

  The CPU 30 is connected to a transmission unit 40 and a reception unit 42. The transmission unit 40 transmits information on the image quality of the image to the other DPF, and the reception unit 42 receives information on the image quality of the image transmitted from the other DPF. As shown in FIG. 2, the DPF 2 is connected to a Web server 48 existing on a network 46 such as the Internet connected via the network terminal 20, and various images are stored in the Web server 48. Has been.

  Next, processing when a slide show is performed in the DPF 2 will be described with reference to the flowchart of FIG. The slide show is a function for sequentially displaying a plurality of images on the LCD panel 6 at predetermined time intervals. The predetermined time is configured to be changeable, set in advance, and stored in the internal memory 34. In this embodiment, it is assumed that the plurality of images stored in the internal memory 34 have substantially the same image quality, and information relating to the image quality of these images is tag data together with the image data of each image. It is assumed that the data is stored in the internal memory 34 in advance in a predetermined format such as Exif (Exchangeable image file format). Here, the image quality refers to the pixel value (number of pixels) of the image, the compression ratio of the image, the white balance value of the image, the type of camera (manufacturer, model, etc.) that captured the image, and the speedlight when the image was captured. It is the presence or absence of.

  When the CPU 30 recognizes that the power switch 12 of the DPF 2 has been turned on by the viewer and that the slide show has been selected by operating the operation key 14, the image stored in the internal memory 34 is displayed on the LCD panel 6 at predetermined time intervals. Display sequentially. When the last image is displayed on the LCD panel 6 (step S10), the pixel value of the image displayed on the LCD panel 6 (hereinafter referred to as a display image) is stored in the internal memory 34. From the tag data (step S11).

  Next, the CPU 30 acquires the first image from a plurality of images stored in the Web server 48 via the network terminal 20 (step S12). That is, if image data of the first image and tag data including information related to the image are added, the tag data is also acquired and stored in the buffer memory 32. Next, the pixel value of the image acquired in step S12 (hereinafter referred to as an acquired image) is acquired (step S13). When tag data is added to the acquired image, and pixel value information is included in the tag data, the pixel value is acquired from the tag data, and the pixel value information is not included in the tag data Alternatively, when tag data is not added to the acquired image, the pixel value is acquired from the image data of the acquired image.

  Next, the CPU 30 compares the pixel value of the display image acquired in step S11 with the pixel value of the acquired image acquired in step S13 (step S14). Specifically, it is determined whether or not the pixel value of the acquired image is within a predetermined range with respect to the pixel value of the display image (step S15). The predetermined range is configured to be changeable, is preset, and is stored in the internal memory 34. For example, when the pixel value of the display image is T1, the pixel value of the acquired image is T2, and the predetermined range is ± 10%, the pixel value of the acquired image is T1 × 0.9 ≦ T2 ≦ T1 × 1.1. Is determined to be within the predetermined range. If T2 <T1 × 0.9 or T2> T1 × 1.1, it is determined that the pixel value of the acquired image is not within the predetermined range. Note that the predetermined range can be set to 0. In this case, it is determined that the pixel is within the predetermined range only when the pixel value of the acquired image matches the pixel value of the display image.

  When it is determined that the pixel value of the acquired image is not within the predetermined range (step S15, No), the CPU 30 deletes the acquired image from the buffer memory 32 (step S16) and returns to step S12. Then, the next image is acquired from the plurality of images stored in the Web server 48 (step S12), and the processing in steps S12 to S16 is performed until it is determined that the pixel value of the acquired image is within the predetermined range. repeat.

  On the other hand, when it is determined that the pixel value of the acquired image is within the predetermined range (step S15, Yes), the CPU 30 determines whether or not a predetermined time which is a display time of one image in the slide show has elapsed. (Step S17). Then, after the predetermined time has elapsed (step S17, Yes), the CPU 30 displays the acquired image on the LCD panel 6 via the display control unit 36 (step S18).

  While the acquired image is displayed on the LCD panel 6, the CPU 30 returns to step S <b> 11, and the acquired image (currently displayed image) data (image data or tag data) stored in the buffer memory 32. The pixel value of the acquired image is acquired (step S11), the next image is acquired from the plurality of images stored in the Web server 48 (step S12), and the pixel value of the next image is displayed on the LCD panel 6. It is determined whether the pixel value of the acquired image is within a predetermined range (step S15). Thus, CPU30 repeats the process of step S11-step S18 until operation etc. which stop a slide show are performed by the viewer. That is, an image having an appropriate pixel value is sequentially displayed on the LCD panel 6 at a predetermined time interval from among a plurality of images stored in the Web server 48.

  According to the DPF 2 according to the first embodiment, the images stored in the Web server 48 can be displayed even after all the images stored in the internal memory 34 are displayed. Can continue. Further, since an image approximate to the pixel value (image quality) of the image displayed on the LCD panel 6 can be displayed from among a plurality of images stored in the Web server 48, the continuity of the image quality of the image is improved. A plurality of images can be displayed sequentially without loss.

  In the above-described embodiment, when an image is acquired from a Web server on the Internet, the number of pixels may increase or decrease depending on how the image is acquired. In such a case, first, a predetermined number of images are acquired from the Web server, an image having a pixel value within a predetermined range is selected from the acquired images, and the selected images are sorted. Here, the sort order includes characteristic values (pixel value, compression rate, white balance value, type of imaging device that captured the image, presence or absence of a speedlight at the time of image capturing, shooting position information, shooting date / time information, color feature value ( For example, it is set in the order of any one of (Scalable Color value) and texture feature amount (for example, Edge Histogram value)). This can be ascending or descending. Further, for images that have the same rank as a result of sorting by a certain characteristic value, images having the same rank may be sorted using another characteristic value. For example, when there are a plurality of images having the same rank as a result of sorting by pixel values, the images are sorted using the image compression rate as the second characteristic value. Further, for example, when there are a plurality of images having the same rank as a result of sorting by pixel value, the color characteristic amount (for example, the value of Scalable Color) or the texture characteristic amount (for example, the value of Edge Histogram) is used as the second characteristic value. ) To sort those images. For example, when there are a plurality of images having the same rank as a result of sorting by shooting date and time, the pixel values or the compression rate are used as the second characteristic value, and the images are sorted. These images are displayed on the LCD panel 6 in the sort order. Thereby, there is no increase / decrease in pixel value, and a constant feeling of image quality can be maintained.

  In the first embodiment, it has been described that a plurality of images stored in the internal memory 34 have substantially the same image quality. However, as a modification, the internal memory 34 has a high pixel value. A process when a slide show is performed when an image and an image having a low pixel value are stored will be described.

  First, an image having a high pixel value stored in the internal memory 34 is displayed on the LCD panel 6. Next, an image having a pixel value that is lower by a predetermined range (for example, −1 to −10%) than a pixel value of an image having a high pixel value from among a plurality of images stored in the Web server 48 (hereinafter referred to as “image”). , A web image) is acquired and displayed on the LCD panel 6. Next, the next image having a pixel value lower than the pixel value of the Web image by a predetermined range is acquired from the plurality of images stored in the Web server 48 and displayed on the LCD panel 6. In this way, the pixel value of the image acquired from the Web server 48 and displayed on the LCD panel 6 is gradually reduced. When it is determined that the image having a low pixel value stored in the internal memory 34 has a pixel value lower than the pixel value of the image displayed on the LCD panel 6 by a predetermined range, An image having a low pixel value is displayed on the LCD panel 6.

  According to this modification, even when a plurality of images with different image quality are stored in the internal memory 34, an image stored in the internal memory 34 among the plurality of images stored in the Web server 48 is stored. Since an image having a pixel value slightly lower than the pixel value (image quality) can be displayed and the pixel value of the image displayed on the LCD panel 6 can be gradually lowered, the image quality stored in the internal memory 34 can be reduced. A slide show can be performed using different images without impairing the continuity of image quality. It should be noted that an image having a low pixel value is first displayed on the LCD panel 6 and acquired from the Web server 48, and the pixel value of the image to be displayed is gradually improved, and finally the high pixel value stored in the internal memory 34. May be displayed on the LCD panel 6.

  Next, a digital photo frame system according to a second embodiment of the invention will be described with reference to the drawings. FIG. 4 is a diagram showing a configuration of a digital photo frame system 50 according to the second embodiment. As shown in FIG. 4, the digital photo frame system 50 includes two DPFs 52 and 54. The DPF 52 is set in advance to operate as a main DPF that transmits information about the image quality of the image to the DPF 54, and the DPF 54 operates as a slave DPF that receives information about the image quality of the image from the DPF 52. For example, the main DPF is automatically set from the smaller or larger network address of each DPF. Alternatively, it is manually set beforehand by the viewer using the operation key 14 or the like.

  The external appearance and system configuration of the main DPF 52 and the secondary DPF 54 are the same as the external appearance and system configuration of the DPF 2 shown in FIGS. The description will be made assuming that the main DPF 52 and the sub DPF 54 are installed side by side on a desk or the like. The transmission unit 40 a of the main DPF 52 transmits information regarding the image quality of the image displayed on the LCD panel of the main DPF 52 to the reception unit 42 a of the sub DPF 54. The receiving unit 42 a of the slave DPF 54 receives information related to the image quality of the image transmitted from the transmitting unit 40 a of the main DPF 52.

  Next, processing when a slide show is performed in the main DPF 52 and the sub DPF 54 will be described with reference to the flowchart of FIG.

  First, when the main DPF 52 (or its CPU) recognizes that the power switch of the main DPF 52 has been turned on by the viewer and that the slide show has been selected, an image to be displayed on the LCD panel of the main DPF 52 (hereinafter referred to as a display image). Is determined (step S20), and the pixel value of the display image is acquired (step S21). For example, a display image is determined from images stored in an internal memory, a Web server, or a memory card inserted in a memory card slot, and a pixel is determined from image data of the display image or tag data added to the image data. Get the value.

  Next, the main DPF 52 transmits the pixel value of the display image acquired in Step S21 to the sub DPF 54 via the transmission unit 40a (Step S22), and displays the display image on the LCD panel of the main DPF 52 (Step S22). S23). Then, the main DPF 52 returns to step S20, determines the next image to be displayed on the LCD panel (step S20), acquires the pixel value of the next image (step S21), and sets the pixel value of the next image to the sub DPF 54. (Step S22). Then, after a predetermined time, which is the display time for one image in the slide show ,, the main DPF 52 displays the next image on the LCD panel (step S23). In this way, the main DPF 52 repeats the processing from step S20 to step S23 until the viewer performs an operation to stop the slide show or an operation to turn off the power switch of the sub DPF 54. That is, images are sequentially displayed on the LCD panel at predetermined time intervals.

  On the other hand, the slave DPF 54 (or its CPU) receives the pixel value of the display image from the main DPF 52 via the receiver 42a (step S24). At the time of reception, it is assumed that the power switch of the slave DPF 54 is turned on and execution of the slide show is selected. Next, the slave DPF 54 is within a predetermined range with respect to the pixel value received in step S24 from the plurality of images stored in the internal memory, the Web server, or the memory card inserted in the memory card slot. An image having a pixel value is selected (step S25), and the selected image is displayed on the LCD panel of the slave DPF 54 (step S26). Then, the slave DPF 54 returns to step S24, receives the pixel value of the next image from the main DPF 52 (step S24), and stores the next image having a pixel value within a predetermined range with respect to the received pixel value in the internal memory. Then, a selection is made from a Web server or a memory card inserted in the memory card slot (step S25), and after a predetermined time, which is the display time of one image in the slide show, is displayed, the next selected image is displayed on the LCD panel ( Step S26). As described above, the sub DPF 54 repeats the processing from step S24 to step S26 until the viewer performs an operation to stop the slide show or an operation to turn off the power switch of the main DPF 52. That is, images are sequentially displayed on the LCD panel at predetermined time intervals.

  According to the digital photo frame system 50 according to the second embodiment, the pixel values (image quality) of images sequentially displayed on the main DPF 52 and the sub DPF 54 installed side by side on a desk or the like can be approximated. Since the continuity of the image quality of the images sequentially displayed on the main DPF 52 and the sub DPF 54 is not impaired, the images displayed on the main DPF 52 and the sub DPF 54 can be viewed without a sense of incongruity.

  Note that the digital photo frame system according to the second embodiment includes one slave DPF 54, but may include two or more slave DPFs. In this case, the main DPF 52 transmits the pixel value of the display image to the plurality of sub DPFs.

  In the second embodiment, the main DPF 52 transmits information about the image quality of the image, and the sub DPF 54 receives the information about the image quality of the image, but the main DPF 54 transmits the information about the image quality of the image. A DPF may be used, and the main DPF 52 may be a slave DPF that receives information related to image quality.

  In the second embodiment, the main DPF 52 includes both the transmission unit and the reception unit. However, the main DPF 52 may include only the transmission unit. Further, although the slave DPF 54 includes both the transmission unit and the reception unit, a configuration including only the reception unit may be employed.

  In the second embodiment, the main DPF 52 transmits information about the image stored in the internal memory and displays the image. However, the image or memory card slot stored in the Web server is displayed. It is also possible to transmit information related to the image stored in the memory card inserted in the memory card and display the image.

  Next, a DPF according to a third embodiment of the present invention will be described with reference to the drawings. The external appearance and system configuration of the DPF according to the third embodiment are the same as the external appearance and system configuration of the DPF 2 shown in FIGS. Further, in the DPF according to the third embodiment, the same components as those of the DPF 2 according to the first embodiment will be described using the same reference numerals.

  When a slide show is performed in the DPF 2 according to this embodiment, as shown in FIG. 6, the LCD panel 6 is divided into four regions 60a to 60d, and images are sequentially displayed in the regions 60a to 60d at predetermined time intervals. At this time, the image may be displayed in the regions 60b to 60d at the same time as the image is displayed in the region 60a. The image is displayed in the region 60b several seconds after the image is displayed in the region 60a, and the regions 60c and 60d are sequentially displayed. The image may be displayed with a timing difference of several seconds.

  Next, processing when a slide show is performed in the DPF 2 according to the third embodiment will be described with reference to a flowchart of FIG. In this embodiment, it is assumed that the plurality of images stored in the internal memory 34 have substantially the same image quality, and information relating to the image quality of these images is tag data together with the image data of each image. Is stored in advance in the internal memory 34. Further, the description will be made assuming that the image is displayed in the region 60b after 2 to 3 seconds after the image is displayed in the region 60a, the region 60c after 2 to 3 seconds, and the region 60d after 2 to 3 seconds. Moreover, the predetermined time which is the time for which one image is displayed in one area is 8 to 12 seconds.

  First, when the CPU 30 recognizes that the power switch 12 of the DPF 2 is turned on by the viewer and that the slide show is selected, the image stored in the internal memory 34 is stored in each area 60 a to 60 d of the LCD panel 6. Display sequentially at time intervals. Then, the CPU 30 determines the reference image after the last image is displayed in any region (in this embodiment, the region 60a) (step S30). The reference image is an image serving as a reference for determining the image quality of an image to be displayed when an image to be displayed in the areas 60a to 60d is selected. Conditions and the like (regions and images) of the reference image can be freely set, and the conditions and the like are stored in the internal memory 34 in advance. For example, a predetermined area may be determined from the areas 60a to 60d, and an image displayed in the predetermined area may be used. An image displayed at the beginning of the slide show or a plurality of images stored in the internal memory 34 may be displayed. Among them, the last displayed image or the image with the shortest display time among the images displayed in the regions 60a to 60d may be used. In addition, the viewer can manually set conditions for the reference image in advance using the operation keys 14 and the like. In this embodiment, the image displayed in the area 60a is used as the reference image.

  Next, the CPU 30 acquires the pixel value of the reference image (image displayed in the region 60a) determined in step S30 from the image data or tag data stored in the internal memory 34 (step S31). In addition, since the process of step S32-S37 is the same as the process of step S12-S17 shown in FIG. 3, description is abbreviate | omitted.

  After the predetermined time has elapsed (step S37, Yes), the CPU 30 displays the image acquired in step S32 in the area 60b of the LCD panel 6 (step S38). Next, the CPU 30 returns to step S31, obtains the pixel value of the reference image (image displayed in the region 60a) (step S31), and selects the next image from the plurality of images stored in the web server 48. An image is acquired (step S32), and it is determined whether or not the pixel value of the next image is within a predetermined range with respect to the pixel value of the reference image (step S35). If it is within the predetermined range, the next image is displayed in the area 60c. In this manner, the CPU 30 repeats the processes of Steps S31 to S37 until the viewer performs an operation for stopping the slide show. That is, an image having an appropriate pixel value among a plurality of images stored in the Web server 48 is sequentially displayed on each area 60a to 60d of the LCD panel 6 at a predetermined time interval.

  According to the DPF 2 according to the third embodiment, even after all the images stored in the internal memory 34 are displayed, the images accumulated in the Web server 48 can be displayed in the areas 60a to 60d. As a result, the slide show can be continued. In addition, since a reference image can be determined and an image approximated to the pixel value (image quality) of the reference image can be selected from a plurality of images stored in the Web server 48 and acquired, continuity of image quality can be obtained. A plurality of images can be sequentially displayed in the regions 60a to 60d without impairing the image quality.

  In the third embodiment, every time an image displayed in the areas 60a to 60d is selected from a plurality of images accumulated in the Web server 48, the reference image (displayed in the area 60a) is selected. The pixel value of the image) is acquired from the image data or the tag data, but the pixel value of the reference image once acquired may be stored in the buffer memory 32 and the pixel value of the reference image may be read from the buffer memory 32. it can. In this case, when a new image is displayed in the area 60a, the new image may be used as a new reference image, and the pixel value stored in the buffer memory 32 may be replaced with the pixel value of the new reference image. Alternatively, after a predetermined time has elapsed since the pixel value of the reference image is stored in the buffer memory 32, the image displayed in the area 60a or the other areas 60b to 60d is set as a new reference image and stored in the buffer memory 32. The existing pixel value may be replaced with a new reference image pixel value.

  Further, in the third embodiment, one reference image is provided, but two or more reference images may be provided. Further, although the images are displayed in the four regions 60a to 60d, the images can be displayed in three or less regions or five or more regions. In addition, although images are displayed in the same size area, images can be displayed in different size areas. For example, as shown in FIG. 8, an image can be displayed in each of three different size regions 62a to 62c.

  In the first and third embodiments, after the image stored in the internal memory 34 is displayed, the image stored in the Web server 48 is displayed. However, the image stored in the Web server 48 is stored. After the displayed image is displayed, the image stored in the internal memory 34 can also be displayed. In this case, an image having a pixel value within a predetermined range with respect to the pixel value of the image displayed on the LCD panel 6 or the reference image is selected from a plurality of images stored in the internal memory 34. To display.

  When a memory card is inserted in the memory card slot 16, an image stored in the memory card and an image stored in the internal memory 34 are displayed after displaying an image stored in the memory card. Alternatively, the image stored in the memory card may be displayed after the image stored in the Web server 48 or the image stored in the internal memory 34 is displayed. The same applies when a USB memory in which a plurality of images are recorded is connected to the USB port 18.

  In each of the embodiments described above, the pixel value is used as a reference for determining the image quality of the image. However, the pixel value, the compression rate, the white balance value, the type of the imaged camera, and the presence / absence of a speedlight at the time of imaging When at least one of the above information is added as tag data in a predetermined format such as Exif together with the image data of the image, the image quality of the image may be determined using at least one of the information related to the image quality. Among the images stored in the Web server, there are images that do not include tag data, and for images that do not include tag data, the white balance value, the type of camera that has been imaged, and the presence or absence of a speedlight at the time of imaging are acquired. I can't. In this case, the image quality of the image is determined using at least one of the pixel value and the compression rate that can be acquired from the image data of the image. Further, the image quality of the image may be determined according to the image storage location. For example, it is determined that the images stored in the memory card inserted into the memory card slot are taken by the same camera and have the same image quality.

  2, 52, 54 ... Digital photo frame (DPF), 4 ... Main body, 6 ... LCD panel, 14 ... Operation keys, 16 ... Memory card slot, 30 ... CPU, 32 ... Buffer memory, 34 ... Internal memory, 40, 40a ... Transmitter, 42, 42a ... Receiver, 48 ... Web server, 50 ... Digital photo frame system.

Claims (10)

A display unit for sequentially displaying images;
A selection unit for selecting an image to be displayed next on the display unit based on information on the image displayed on the display unit;
A transmission unit that transmits the information to be used for image selection by the other digital photo frame to another digital photo frame ;
A digital photo frame comprising:   The selection unit selects an image to be displayed in another area of the display unit based on the information of a reference image displayed in at least a partial area of the display unit. The described digital photo frame.   The digital image processing apparatus according to claim 2, further comprising: a reference image determination unit that uses the displayed new image as a reference image when a new image is displayed in at least a partial area of the display unit. Photo frame.   The digital photo frame according to any one of claims 1 to 3, further comprising a receiving unit that receives the information from another digital photo frame.   The digital photo frame according to claim 4, wherein the selection unit selects an image to be displayed on the display unit based on the received information.   The digital according to any one of claims 1 to 5, wherein the information is at least one of a pixel value, a white balance value, a color feature amount, and a texture feature amount of the image. Photo frame.   The information includes the pixel value of the image, the compression rate, the white balance value, the type of the imaging device that captured the image, the presence / absence of a speedlight at the time of imaging the image, shooting position information, shooting date / time information, color feature amount, and texture 6. The digital photo frame according to claim 1, wherein the digital photo frame is at least one of the feature amounts. An image acquisition unit for acquiring the image from another system;
The digital photo frame according to claim 1, wherein the selection unit selects an image to be displayed on the display unit from the images acquired by the image acquisition unit. . An image storage unit storing a plurality of the images;
The digital photo according to any one of claims 1 to 7, wherein the selection unit selects an image to be displayed on the display unit from the images stored in the image storage unit. flame. A first digital photo frame and a second digital photo frame;
The first digital photo frame includes a first display unit for displaying an image, and a transmission unit for transmitting the information of the second digital photo frame the image displayed on the first display portion with respect to,
It said second digital photo frame displays a receiving section for receiving the information from said first digital photo frame, a selection unit that selects the images based on the information, the image selected by the selection unit A digital photo frame system comprising: a second display unit .

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