JP2007041866A - Information processing device, information processing method, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information processing device which enlarges and displays the respective face areas of a plurality of persons in an image, while automatically causing the facial regions to transition in optional order, based on various kinds of setting information, and to provide an information processing method and a program. <P>SOLUTION: In order to enlarge and display the face areas of designated persons in an image, the face areas of the plurality of persons in the image are detected, together with the positional information on each of the face areas to acquire attribute information on the persons, corresponding to each of the plurality of face areas. Then, the order for enlarging and displaying the plurality of detected face areas is determined, based on the attribute information on the respective persons, and the plurality of face areas are enlarged and displayed in a determined order, while sequentially causing the face areas to transit. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an information processing apparatus, an information processing method, and a program for sequentially enlarging and displaying a plurality of face images detected from an image.

  As a method of browsing a plurality of still images taken with a digital camera on a television or personal computer (PC) screen, there are a slide show and an electronic album. Also, a function of enlarging and displaying a specific partial area in those images is common. As a conventional enlarged display method, a method in which a user clicks on the enlarged display button with a mouse and an enlarged display method or an enlarged display method by pressing an enlarged display button provided on a remote control are generally used. .

  It is also generally known to move up, down, right, and left in an enlarged display state by operating a move button using a mouse or a remote controller.

  Furthermore, a method of enlarging and displaying a portion of a recent PC screen by using a software tool imitating a magnifying glass by a user clicking a desired position with a mouse is also generally known.

  Furthermore, the user does not specify the enlarged display position using a mouse or remote control, but the face position included in the still image is automatically detected by using face detection technology, and only the face portion is automatically detected. (See Patent Document 1). In the invention described in Japanese Patent Application Laid-Open No. H10-228707, when the enlarged display is performed, the face areas are displayed in descending order, that is, from the person in front.

  The face detection technology, the face recognition technology, and the like have been used so far mainly in the fields of security of a monitoring camera, a driver's monitor, and automatic robot control. The main face detection methods are as follows. For example, there is a technique for detecting the position of a face by scanning an entire image using a frame of a certain size, examining pixel values, and calculating an error from sample face sample data (see Patent Document 2). .) In addition, there is one that identifies a skin color region from an image and recognizes it as a face position (see, for example, Patent Document 3). Furthermore, methods for evaluating age and sex have also been proposed (see, for example, Patent Documents 4 and 5).

FIG. 1 is a diagram showing a result of specifying the position of a human face included in an image by using a conventional face detection technique. The four rectangular areas shown in FIG. 1 are positions recognized as faces. Also, attribute information of each face area such as the position and size of the face can be acquired from the upper left (x, y) coordinates of each rectangular area and the width and height of the rectangular area.
JP 2004-193933 A JP 7-311833 A Japanese Patent Application Laid-Open No. 11-15979 Japanese Patent Laid-Open No. 2003-099779 JP 2003-242486 A

  However, the method for sequentially enlarging and displaying a plurality of face regions described in Patent Document 1 has a fixed display order, and a slide show of face regions can be determined in various ways from one image including a plurality of face regions. Can not do it. In addition, the method of moving the display position by the user using a mouse, a remote controller, or the like is much more complicated for the user than the method of automatically expanding the face area and performing a slide show. It becomes a thing.

  The present invention has been made in view of such circumstances, and an object thereof is to provide the following information processing apparatus, information processing method, and program. That is, an object of the present invention is to suitably enlarge and display each face area of a plurality of persons in an image and automatically changing them in an arbitrary order based on various setting information.

In order to solve the above problems, the present invention is an information processing apparatus for enlarging and displaying a face area of a designated person in an image,
Detecting means for detecting face areas of a plurality of persons included in the image together with position information of each face area;
Acquisition means for acquiring attribute information of a person corresponding to each of a plurality of face areas detected by the detection means;
Determining means for deciding the order of enlarged display based on the attribute information for the plurality of face areas detected by the detecting means;
And an enlarged display means for enlarging and displaying the plurality of face areas in the order determined by the determining means.

In order to solve the above problems, the present invention is an information processing method for enlarging and displaying a face area of a designated person in an image on a screen of an information processing apparatus,
Detecting a plurality of human face areas included in the image together with position information of each face area;
An acquisition step of acquiring attribute information of a person corresponding to each of a plurality of face regions detected by the detection step;
For the plurality of face regions detected by the detection step, a determination step for determining an order for enlarged display based on the attribute information;
An enlarged display step of enlarging and displaying the plurality of face regions on the screen while sequentially changing the plurality of face regions in the order determined by the determining step.

Furthermore, in order to solve the above problem, the present invention is a program for enlarging and displaying a face area of a designated person in an image on a screen of an information processing apparatus,
A detection procedure for detecting face areas of a plurality of persons included in the image together with position information of each face area;
An acquisition procedure for acquiring attribute information of a person corresponding to each of a plurality of face regions detected by the detection procedure;
For the plurality of face areas detected by the detection procedure, a determination procedure for determining an order of enlarged display based on the attribute information;
An enlarged display procedure for performing enlarged display on the screen while sequentially transitioning the plurality of face regions in the order determined by the determination procedure.

  According to the present invention, each of the face regions of a plurality of persons in an image and each of them can be suitably enlarged and displayed while automatically transitioning in an arbitrary order based on various setting information. Accordingly, it is possible to provide a display method with higher appreciation without causing the user to spend time and effort when enlarging and displaying the face area in an arbitrary order.

  Specifically, it is possible to automatically shift to a plurality of face positions in order, and the user does not need to set a plurality of face positions that the user wants to enlarge and display in advance. In addition, it is not necessary for the user to move within the image using a mouse or remote control when viewing the face of another person included in the image after enlarging and displaying one person's face as in the past. Troublesome work can be omitted.

  Hereinafter, an information processing apparatus according to an embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 2 is a diagram showing a schematic configuration of an information processing system including an information processing apparatus according to an embodiment of the present invention. In FIG. 2, a television 101 that is an information processing apparatus according to an embodiment of the present invention is connected to a LAN 102. In addition, a digital camera 103 that captures images, a PC 104 that processes captured images and the like, and a file server 105 that stores captured images and the like are connected to the LAN 102.

  FIG. 3 is a block diagram showing a detailed configuration of the television 101 according to the embodiment of the present invention. In FIG. 3, a CPU 201 is a system control unit and controls the entire apparatus. The ROM 202 stores a control program for the CPU 201 and various fixed data. The RAM 203 is configured by SRAM, DRAM, or the like, and stores program control variables and the like. Various setting parameters and various work buffers are also stored in the RAM 203. The operation unit 204 includes buttons, a touch panel, and the like, and is used by an operator to perform various input operations. The display unit 205 is a television screen that displays an image. A LAN I / F 206 is an interface for connecting to a LAN line 207. The USB I / F 208 is an interface for connecting to the USB line 209.

  Next, a method for enlarging and displaying a face part on the display unit 205 of the television 101 while automatically zooming to a plurality of face positions will be described. FIG. 4 is a flowchart for explaining a procedure for performing enlarged display while automatically transitioning to each position of a plurality of faces included in an image in the television 101 according to an embodiment of the present invention.

  First, the type of image data is analyzed (step S102), and it is determined whether the image data is compressed image data (step S103). As a result, when it is determined that the data is compressed image data (Yes), the compressed image data is decompressed and converted into image data such as a bitmap and stored in the internal memory (step S104), and the process proceeds to step S105. . On the other hand, if it is determined in step S103 that the data is not compressed image data (No), the process proceeds to step S105 without being converted into data such as a bitmap image. In step S105, the position of the human face area is detected in the image data.

  Then, it is determined whether or not the position of the face area can be detected (step S106). As a result, when it is determined that the position of the face area can be detected (Yes), the position information of the face area in the image data is stored in the internal memory (step S107). On the other hand, if it is determined that the position of the face area cannot be detected (No), the entire image is displayed on the display unit 205 (step S108).

  As another display method in step S108, an animation display may be performed in which the entire image is gradually enlarged / reduced repeatedly with time. Or you may perform the animation display which repeats the scroll display (parallel movement to a x-axis direction or a y-axis method) of the horizontal direction / vertical direction of an image. Or you may perform the animation display which performs the rotation display centering on the arbitrary positions of an image. Furthermore, a combination thereof may be used. Furthermore, it is conceivable that the image moves due to the animation effect according to various rules determined in advance in the display device.

  FIG. 5 is a diagram illustrating a face position detected in an image including a plurality of persons in a rectangle. FIG. 6 is a diagram showing position information about the detected face. As position information, for example, the upper left (x, y) coordinates of the rectangular area and the width and height of the rectangle are detected. Here, the numbers at the time of “face” in FIG. 6 are added in the order of the detected faces. Then, the user designates an initial position, which is the first departure from the face to face, in order from the menu on the user interface (UI) screen by using a remote controller or a pointing device. The designated initial position is stored in the internal memory (step S109). As the initial position, for example, the center position of the image data, the focus position of the camera at the time of taking a picture included in the Exif information of the image data, and the like can be considered. For example, when the focal position is not designated, it may be set in advance so that the center position of the image automatically becomes the initial position.

  Next, the user designates a method of transition from face to face on the UI screen from the menu. Then, it is determined whether or not the transition is specified based on the face position (step S110). As a result, if it is determined that the transition is specified based on the face position (Yes), the order is changed based on the face position information, and the order field is stored in the internal memory (step). S111).

  As the order of transition from face to face, a method may be considered in which transition is performed in ascending order with respect to the upper left x coordinate of the rectangular area indicating the position of the face. If the x-coordinates of each face in the table of FIG. 6 are rearranged in ascending order, the result is as shown in FIG. That is, FIG. 7 is a diagram in which the order of transition from face to face is rearranged based on the x-coordinates included in the face position information shown in FIG. As shown in FIG. 7, in this embodiment, it is assumed that the face transitions from face to face in the order of face 2 → face 1 → face 0 → face 3.

  FIG. 8 is a diagram illustrating an example of transition from face to face in the obtained order. Here, the speed of transition from face to face is a speed determined in advance by the user or in the apparatus, and a method of enlarging and displaying from face to face is conceivable. In addition, a method is conceivable in which the user designates in advance the time for completing the transition to all faces, or a fixed time is determined in advance in the apparatus, and animation is displayed based on that time.

  Further, as the order of transition from face to face, a method may be considered in which the y-coordinate at the upper left corner of the rectangular area indicating the position of the face transitions in a large order. FIG. 9 is a diagram illustrating an example when the faces are rearranged in the descending order of the y-coordinates illustrated in FIG. 6. In this case, the transition is made in the order of face3 → face2 → face1 → face0. FIG. 10 is a diagram illustrating an example of transition from face to face in the order obtained as illustrated in FIG. 9.

  Furthermore, it is conceivable that the initial position of transition from face to face is the focal position at the time of photographing that is included in the Exif information of the image data. For example, if the focus position is set for the rightmost person at the time of shooting, a method may be considered in which the face of the person is taken as the starting point and the face is shifted from the face to the face with the shortest distance. The distance can be obtained from the coordinates of each face in the table shown in FIG. Then, when transitioning from face to face, a method is conceivable in which the face once transitioned is stored in an internal memory so that the face does not transit to the same face repeatedly.

  FIG. 11 is a diagram in which face 3 shown in FIG. 6 is set as the focal position, the position is set as the initial position, and the face is rearranged in the order of the transition from the face to the face closer to the distance. That is, in this case, transition is made in the order of face3 → face0 → face1 → face2. FIG. 12 is a diagram showing an example of transition from face to face in the order obtained as shown in FIG.

  In step S110, if it cannot be determined that the transition is set based on the face position (No), it is then determined whether the transition is set based on the face size (step S112). ). As a result, when it is determined that the user has set the transition based on the size of the face (Yes), the area of each rectangular area is determined from the width and height of the rectangle in the table of FIG. Obtained (step S113). Then, the order of the faces that transition in the order of the area is obtained and stored in the internal memory (step S114), and the process proceeds to step S121.

  FIG. 13 is a diagram in which the area of the rectangular area of each face is obtained from the table of FIG. 8, and the order of the face to be transitioned is rearranged based on the area. That is, in this case, it is assumed that the transition is made in the order of face3 → face0 → face2 → face1. FIG. 14 is a diagram showing an example of transition from face to face in the order obtained as shown in FIG.

  Next, when it cannot be determined that the user has set the transition based on the size of the face in Step S112 (No), it is determined whether the transition is set based on the gender of the person (Step S115). . As a result, if it is determined that the transition is set based on gender (Yes), the male face is first estimated, and the order of the transitioning face is obtained based on the size of the x coordinate or the y coordinate. Save in the internal memory (step S116). Next, the female face is estimated, the order of faces with the smallest x-coordinate or y-coordinate is obtained and stored in the internal memory (step S117), and the process proceeds to step S121.

  FIG. 15 estimates the gender of each face, and first obtains the order of transition from a male face having a rectangle with a small x coordinate to a male face having a rectangle with a large x coordinate. An example in which That is, FIG. 15 is a diagram illustrating an example in which the order of transition from face to face is rearranged based on the gender estimated from the face image. FIG. 16 is a diagram illustrating an example in which a transition is first made to a male face and then to a female face in the order obtained as shown in FIG. In this method, for example, when it is desired to display only the face of a man or a woman in a group photo in which a plurality of men and women are irregularly arranged, this method can be used to automatically display the man and woman separately. It becomes possible.

  On the other hand, if it cannot be determined in step S115 that the user has set the transition based on the gender of the person (No), the transition is based on the age (step S118). Therefore, the age of each person is estimated, and the estimated result is stored in the internal memory (step S119). In addition to the method shown in the background art, if the face detected by face detection matches the face information stored in the server or the like, the age of the individual is stored in the server, It can be calculated from the shooting date and time stored in Exif information. Then, based on the estimated age, for example, when it is assumed that the transition is in the order of the highest age, the order of the face estimated to be the highest age is stored in the internal memory (step S120), and the process proceeds to step S121. . Here, FIG. 17 is a diagram illustrating an example in which the age of each face is estimated and rearranged in order of increasing age. FIG. 18 is a diagram showing an example of transition from face to face in the order obtained as shown in FIG. In addition, a face of only a certain age group may be extracted to make a transition.

  Next, an example in which the display method of automatically zooming to a plurality of face positions on the display unit 205 of the television 101 is used for a slide show will be described. FIG. 19 is a diagram illustrating an example of a slide show setting screen displayed on the display unit 205 of the television 101. FIG. 20 is a flowchart for explaining the procedure for setting the slide show display method by the user.

  Here, the nine images at the upper left in FIG. 19 show a reduced display of the images used in the slide show. For example, if the user currently selects the upper left image, an enlarged image of the selected reduced image is displayed as a preview. In the upper right part of the setting screen, there is a menu for designating the order of images to be displayed, and a list of image files to be displayed in the slide show is displayed. On the right side of the image file list display, there are buttons for "Move Up", "Move Down", and "Delete". By using these buttons, the order of the images to be displayed in the slide show is specified. it can. Further, it is assumed that an image is selected by deleting an image that is not browsed in the slide show from the list of images used in the slide show (step S202).

  Further, as shown in FIG. 19, there is a menu for designating the switching method of the image used in the slide jaw at the bottom of the menu for designating the display order, and the user selects the switching method (step S203). In the present embodiment, the following selection is possible as an example. That is, a method of automatically switching images in a specified order at a specified time, a method of automatically switching images in a random order at a specified time, and a method of switching by a mouse or key input by a user can be selected. In FIG. 19, it is assumed that the method of automatically switching images in the order designated at 10 second intervals is selected.

  Furthermore, at the bottom right of the setting screen, there are a check box for selecting whether or not to automatically zoom to the face position, and an enlargement magnification designation field. Each is selected by the user, and as a result, it is determined whether or not to automatically zoom to the face position (step S204). The enlargement magnification specifies how many times the face portion is enlarged and displayed with respect to the original size of the image. In FIG. 19, as an example, it is specified that the slide show is performed while automatically zooming to the face position to double the size.

  As a result, when it is determined that the user does not select a slide show for zooming to the face position (No), a slide show for displaying the image selected by the user on the display unit as in the past is performed (step S206). finish. On the other hand, if it is determined that the user has selected to automatically enlarge and display the position of the face (Yes), the initial display position when the user transitions from the face to the face is set as the focus at the time of photographing. It is determined whether or not to perform (step S205). As a result, if it is determined that the initial display position is set as the focus (Yes), the initial position is set as the focus position (step S207), and the process proceeds to step S209. On the other hand, when it is determined that the focus is not set (No), the initial position is set at the center of each image (step S208), and the process proceeds to step S209.

  Next, in step S209, as a method of transition from face to face, a transition method is designated based on the position and size of the face, the estimated gender and age. Then, the transition result by the designated transition method is displayed on the display unit 205 (step S210).

  In this way, each image is enlarged and displayed while changing from face to face based on the setting information of the user, according to the procedure of each step of the flowchart shown in FIG. Then, when 10 seconds set as the time for switching to the next image have elapsed, it is possible to realize a slide show by switching to the next image and displaying it sequentially.

  If there are a plurality of images, the display order of the images to be enlarged and displayed is designated in advance. Then, as described above, the plurality of face regions included in the image are shifted one by one in the designated image order, and are enlarged and displayed.

  Although the embodiment has been described in detail above, the present invention can take an embodiment as a system, apparatus, method, program, storage medium (recording medium), or the like. 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.

  In the present invention, a software program (in the embodiment, a program corresponding to the flowchart shown in the drawing) that realizes the functions of the above-described embodiments is directly or remotely supplied to a system or apparatus. In addition, this includes a case where the system or the computer of the apparatus is also achieved by reading and executing the supplied program code.

  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 the OS, or the like.

  Examples of the recording medium for supplying the program include the following. 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, the program can be supplied by downloading it from a homepage on the Internet to a recording medium such as a hard disk using a browser of a client computer. That is, it connects to a homepage and downloads the computer program itself of the present invention or a compressed file including an automatic installation function from the homepage. 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 homepage. That is, 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 is also included in the present invention.

  Further, the program of the present invention is encrypted, stored in a storage medium such as a CD-ROM, and distributed to users. Then, the user who has cleared the predetermined condition is allowed to download key information for decryption from the homepage via the Internet. It is also possible to execute the encrypted program by using the key information and install the program on a computer.

  Further, the functions of the above-described embodiments are realized by the computer executing the read program. In addition, the function of the above-described embodiment can be realized by an OS running on the computer based on an instruction of the program and performing part or all of the actual processing.

  Further, the functions of the above-described embodiments are realized even after 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. That is, the functions of the above-described embodiments are realized by performing a part or all of the actual processing by the CPU or the like provided in the function expansion board or function expansion unit based on the instructions of the program.

It is a figure which shows the result of having specified the position of the person's face contained in an image by using the conventional face detection technique. 1 is a diagram illustrating a schematic configuration of an information processing system including an information processing apparatus according to an embodiment of the present invention. 1 is a block diagram illustrating a detailed configuration of a television 101 according to an embodiment of the present invention. It is a flowchart for demonstrating the procedure of performing an enlarged display, changing automatically to each position of the some face contained in the image in the television 101 which concerns on one Embodiment of this invention. It is a figure which shows the position of the face detected in the image containing a some person with a rectangle. It is a figure shown about the positional information about the detected face. It is the figure which rearranged the order which changes from a face to a face based on the x coordinate contained in the positional information on the face shown in FIG. It is a figure which shows the example which changes from face to face in the calculated | required order. It is a figure which shows an example at the time of rearranging in order with the big y coordinate of each face shown in FIG. It is a figure which shows the example which changes to a face in the order calculated | required as shown in FIG. FIG. 7 is a diagram in which face 3 shown in FIG. 6 is set as a focal position, the position is set as an initial position, and the face is rearranged in order of transition from a face to a face with a short distance. It is a figure which shows the example which changes to a face in the order calculated | required as shown in FIG. It is the figure which calculated | required the area of the rectangular area of each face from the table | surface of FIG. 8, and rearranged the order of the face which changes based on the area. It is a figure which shows the example which changes from face to face in the order calculated | required as shown in FIG. It is a figure which shows the example which rearranged the order which changes from face to face based on the sex estimated from the image of the face. It is a figure which shows the example which changes to a male face first and then changes to a female face in the order calculated | required as shown in FIG. It is a figure which shows the example which estimated the age of each face and rearranged in order with the high age. It is a figure which shows the example which changes to a face in the order calculated | required as shown in FIG. FIG. 25 is a diagram showing an example of a slide show setting screen displayed on the display unit 205 of the television 101. It is a flowchart for demonstrating the setting procedure of the display method of the slide show by a user.

Explanation of symbols

101 Television 102 LAN
103 Digital camera 104 PC
105 File server 201 CPU
202 ROM
203 RAM
204 Operation unit 205 Display unit 206 LAN I / F
207 LAN line 208 USB I / F
209 USB line

Claims (11)

An information processing apparatus for enlarging and displaying a face area of a designated person in an image,
Detecting means for detecting face areas of a plurality of persons included in the image together with position information of each face area;
Acquisition means for acquiring attribute information of a person corresponding to each of a plurality of face areas detected by the detection means;
Determining means for deciding the order of enlarged display based on the attribute information for the plurality of face areas detected by the detecting means;
An information processing apparatus comprising: an enlargement display unit configured to enlarge and display the plurality of face regions in order in the order determined by the determination unit. Further comprising designation means for designating an initial position at the time of enlarged display of the plurality of face areas;
The information processing apparatus according to claim 1, wherein the determining unit determines the order based on a relationship between the initial position specified by the specifying unit and the plurality of face regions. When the focus position at the time of shooting the image is specified as the initial position by the specifying means, the determining means determines the order of the enlarged display of the plurality of face regions in order of increasing distance from the initial position. The information processing apparatus according to claim 2.   When the initial position is not specified by the specifying means, the determining means determines the order of the enlarged display of the plurality of face areas in order of increasing distance from the center position of the image. Item 3. The information processing device according to Item 2. An image order designating unit for designating a display order of images to be enlarged and displayed for a plurality of images;
5. The method according to any one of claims 1 to 4, wherein a plurality of face regions included in the images are shifted one by one in the order of the images designated by the image order designating means and displayed in an enlarged manner. The information processing apparatus according to claim 1.   6. The display device according to claim 1, further comprising a display unit configured to display the entire image when a face region cannot be detected from the image by the detection unit. Information processing device.   If the face area cannot be detected from the image by the detecting means, the image is gradually enlarged / reduced over time and repeatedly scrolled horizontally / vertically with time. The information processing apparatus according to claim 1, further comprising display means for performing animation display including at least one of rotation display around an arbitrary position. Further comprising estimation means for estimating attribute information as to whether a person of the plurality of face regions is male or female;
The information processing apparatus according to claim 1, wherein the determination unit determines an order of enlarged display for each male and each female. An estimation means for estimating the ages of persons in the plurality of face regions;
The information processing apparatus according to claim 1, wherein the determining unit determines an order in which the plurality of face regions are enlarged and displayed based on the age estimated by the estimating unit. An information processing method for enlarging and displaying a face area of a designated person in an image on a screen of an information processing device,
Detecting a plurality of human face areas included in the image together with position information of each face area;
An acquisition step of acquiring attribute information of a person corresponding to each of a plurality of face regions detected by the detection step;
For the plurality of face regions detected by the detection step, a determination step for determining an order for enlarged display based on the attribute information;
And an enlarged display step of enlarging and displaying the plurality of face areas in the order determined in the determining step. A program for enlarging and displaying a face area of a designated person in an image on a screen of an information processing device,
A detection procedure for detecting face areas of a plurality of persons included in the image together with position information of each face area;
An acquisition procedure for acquiring attribute information of a person corresponding to each of a plurality of face regions detected by the detection procedure;
For the plurality of face areas detected by the detection procedure, a determination procedure for determining an order of enlarged display based on the attribute information;
A program for executing an enlarged display procedure for enlarging and displaying the plurality of face areas on the screen while sequentially changing the plurality of face regions in the order determined by the determining procedure.

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