JP5452412B2 - Electronic apparatus and image output method - Google Patents

Electronic apparatus and image output method Download PDF

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JP5452412B2
JP5452412B2 JP2010175298A JP2010175298A JP5452412B2 JP 5452412 B2 JP5452412 B2 JP 5452412B2 JP 2010175298 A JP2010175298 A JP 2010175298A JP 2010175298 A JP2010175298 A JP 2010175298A JP 5452412 B2 JP5452412 B2 JP 5452412B2
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image
orientation
electronic device
device
means
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JP2012039224A (en
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喬 鈴木
健介 大野
正徳 石田
彰 渋谷
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株式会社Nttドコモ
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Description

  The present invention relates to an electronic apparatus and an image output method for displaying an appropriate image from a plurality of captured images.

In recent years, there are mobile phones and the like that allow a user to change the appearance of a mobile phone to a desired appearance by replacing parts of the casing. However, in order to replace parts, it was necessary to work with tools, and it was necessary to purchase parts separately.
By the way, in recent electronic devices such as mobile phones, the display unit has occupied a large part of the casing, such as a large screen of the display unit, a full-screen display using a touch panel, a retractable keypad, and the like. The appearance of a mobile phone or the like can be changed as when the parts of the housing are replaced. For example, since many mobile phones and the like in recent years have a camera function, an image is taken immediately before the mobile phone or the like is placed on a desk or when the user hangs the mobile phone or the like from a neck with a strap. By displaying the image on the display, the appearance of the mobile phone or the like can be adapted to the surrounding environment and can be made inconspicuous.
By the way, as a technique for capturing a plurality of images in advance for the purpose of later use, there is a technique conventionally used for a drive recorder or the like (for example, Patent Document 1).

JP 2000-280821 A

However, for example, when an electronic device is placed on a desk, in order to make its appearance familiar with the surrounding environment, what kind of image is displayed on the display becomes a problem.
Here, even when an image captured in advance as described in Patent Document 1 is used, there is a similar problem.
Accordingly, the present invention has been made in view of the above problems, and an object thereof is to provide an electronic device and an image output method capable of appropriately adapting the appearance to the surrounding environment.

  In order to solve the above-described problem, the present invention relates to an image capturing unit that captures an image, an image captured by the image capturing unit, and orientation information that indicates the orientation of the own device at the time of capturing the image. Image holding means, detecting means for detecting that the orientation of the own apparatus is in an invariable state, and if the detecting means detects that the orientation of the own apparatus is in an invariable state, Proposed is an electronic device having an image output means for outputting the image associated with a direction whose displacement is within a predetermined range to a display means of the device itself.

  According to this configuration, for example, the normal environment is always imaged by the camera at normal times, and the captured image is stored in association with the orientation of the electronic device at the time of imaging. When the orientation of the electronic device is not changed due to the electronic device being placed on the desk or the like, an image associated with the same or substantially the same orientation as that at that time is displayed on the display unit. As a result, when the electronic device is placed on a desk or the like, the image of the subject close to the camera is output to the display unit at that time, and the appearance of the electronic device becomes familiar with the surrounding environment and becomes inconspicuous. be able to.

  Further, the image output means, when the detection means detects that the orientation of the own apparatus is in an invariable state, the direction in which the displacement amount is within a predetermined range with respect to the orientation of the own apparatus at that time The image that is associated and that is captured before a predetermined time from the time of detection by the detection means may be output to the display means of the device itself. Further, the image output means, when it is detected by the detection means that the orientation of its own device has not changed, the brightness of the image first picked up by the image pickup means after the detection is less than a predetermined value. In some cases, the image is associated with an orientation whose displacement is within a predetermined range with respect to the orientation of the device at the time of detection of the invariant state, and is predetermined from the time of detection by the detection means. The image captured before the time may be output to the display unit of the device itself.

  For example, when the electronic device is placed on a desk with the camera facing down, an image with sufficient brightness cannot be captured because the camera and the subject are too close. Therefore, an image that is associated with the same or substantially the same orientation as the electronic device when the electronic device is placed on the desk and that is captured a little before is output to the display. Thus, an image with sufficient brightness can be displayed, the appearance of the electronic device can be adapted to the surrounding environment, and can be made inconspicuous.

Further, the image output means, when the detection means detects that the orientation of the own apparatus is in an invariable state, the direction in which the displacement amount is within a predetermined range with respect to the orientation of the own apparatus at that time The image that is associated and has a lightness equal to or higher than a predetermined value may be output to a display unit of the device itself.
For example, when the electronic device is placed on a desk with the camera facing down, an image with sufficient brightness cannot be captured because the camera and the subject are too close. Therefore, an image that is associated with the same or substantially the same orientation as the electronic device when the electronic device is placed on the desk and that has a lightness greater than or equal to a predetermined value is output to the display. Thus, an image with sufficient brightness can be displayed, the appearance of the electronic device can be adapted to the surrounding environment, and can be made inconspicuous.

The imaging unit may capture an image every predetermined time while the orientation of the own device is changing.
According to this configuration, since the image is not captured while the orientation of the electronic device is not changed, power consumption can be suppressed.
The electronic device may be a portable terminal.
In recent mobile phones and the like, many users have a display on the exterior when the user carries the mobile phone or the like. Therefore, an image associated with the same or almost the same orientation as that when the orientation of the electronic device becomes unchanged is output on the display, so that the appearance of the electronic device becomes familiar with the surrounding environment and becomes inconspicuous. be able to.

Further, the display means may be provided in an external part of the own device.
An image associated with the same or almost the same orientation as when the orientation of the electronic device is unchanged is output on the display provided in the exterior part, so that the appearance of the electronic device is adapted to the surrounding environment. Can be inconspicuous.
The display direction on the display unit and the imaging direction on the imaging unit may be opposite to each other.

According to this configuration, the electronic device is provided with the camera and the display at a back-to-back position. Therefore, an image captured by the camera when the orientation of the electronic device becomes unchanged is displayed on the display, so that the appearance of the electronic device can be adapted to the surrounding environment and can be made inconspicuous.
Further, the image output means performs image processing on the state of the image held in the image holding means, or superimposes it on another image and outputs it to the display means of its own device. It may be.

  Further, the present invention is an image output method executed in an electronic apparatus, and includes an imaging step for capturing an image (for example, step S101 in FIG. 4 and step S201 in FIG. 5), and an image captured in the imaging step. And an image holding step (for example, step S102 and step S103 in FIG. 4, step S202 and step S203 in FIG. 5) for holding the electronic device in association with the orientation information indicating the orientation of the electronic device at the time of capturing the image, A detection step (for example, step S104 in FIG. 4 and step S204 in FIG. 5) for detecting that the orientation of the electronic device has not changed, and that the orientation of the electronic device has become unchanged in the detection step. Is detected, the displacement amount is within a predetermined range with respect to the direction of the electronic device at that time. An image output method comprising: an image output step (for example, steps S107 and S108 in FIG. 4 and steps S205 to S207 in FIG. 5) for outputting the image associated with the orientation to the display unit of the electronic device. suggest.

According to this configuration, for example, the normal environment is always imaged by the camera at normal times, and the captured image is stored in association with the orientation of the electronic device at the time of imaging. When the orientation of the electronic device is not changed due to the electronic device being placed on the desk or the like, an image associated with the same or substantially the same orientation as that at that time is displayed on the display unit. As a result, when the electronic device is placed on a desk or the like, the image of the subject close to the camera is output to the display unit at that time, and the appearance of the electronic device becomes familiar with the surrounding environment and becomes inconspicuous. be able to.
In the image output step, the image is processed with respect to the state when held in the image holding step, or is superimposed on another image and output to the display unit of the electronic apparatus. It may be.

  As described above, according to the present invention, when an electronic device is placed on a desk or the like and its orientation is not changed, an appropriate image among pre-captured images is displayed on the electronic device. Can be displayed on the display.

1 is a diagram illustrating a configuration example of an electronic device 1. 6 is a diagram illustrating a specific example of data held in an image holding unit 102. FIG. FIG. 3 is a diagram illustrating the orientation of the electronic device 1. FIG. 3 is a flowchart showing the flow of processing in the electronic apparatus 1. FIG. 3 is a flowchart showing the flow of processing in the electronic apparatus 1.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in each figure referred in the following description, an equivalent part is shown with the same code | symbol.
(Configuration of electronic device)
First, the configuration of the electronic device according to the present embodiment will be described with reference to FIG. FIG. 1 is a diagram illustrating a configuration example of an electronic device according to the present embodiment.
The electronic device 1 illustrated in FIG. 1 includes an imaging unit 101, an image holding unit 102, a detection unit 103, an image output unit 104, a display unit 105, and a tilt sensor (or an acceleration sensor or the like) 110. In the present embodiment, the electronic device 1 is a portable terminal such as a cellular phone.

(Imaging unit 101)
The imaging unit 101 has a function of capturing an image. The imaging unit 101 includes a lens (not shown), an imaging element such as a CMOS (Complementary Metal Oxide Semiconductor) and a CCD (Charge Coupled Devices). Specifically, in the imaging unit 101, for example, light taken in via a lens is converted into an electrical signal by an imaging element such as a CMOS or CCD, and A / D converted. The A / D converted signal is subjected to image processing such as gamma correction, and then recorded in the image holding unit 102 including a flash memory.

Further, the imaging unit 101 may capture an image every predetermined time while the orientation of the electronic device 1 is changing. Thereby, since the image is not captured while the direction of the electronic apparatus 1 is not changed, power consumption can be suppressed.
Here, “the orientation of the electronic device 1” mainly means the orientation of the housing of the electronic device 1, but for example, the orientation of the imaging in the imaging unit 101 (that is, the orientation of the camera or lens), the display unit, The orientation may be 105 (that is, a direction perpendicular to the display surface of the display). This is because when the position of the camera, lens, and display is fixed to the electronic apparatus 1, the direction of the electronic apparatus 1 can be regarded as the direction of the camera, lens, and display.

  The orientation of the electronic device 1 is specifically detected by an inclination sensor, an acceleration sensor, or the like 110. The detected orientation of the electronic device 1 may be a biaxial inclination or a triaxial inclination. If it is possible to detect the inclination in the three-axis directions, it is preferable because the orientation of the imaging unit 101 provided in the electronic apparatus 1 can be more accurately known. Specifically, for example, if the acceleration sensor is provided in the electronic device 1 so as to be orthogonal to each other, the inclination of the electronic device 1 in the three-axis directions can be detected.

In addition, “capturing an image every predetermined time while the orientation of the electronic apparatus 1 is changing” specifically means that, for example, during normal times, an image is captured every predetermined time. When it is detected that the orientation of the device 1 has not changed (for example, when the same tilt is detected more than a certain number of times within a certain time), the imaging is stopped, and the tilt of the electronic device 1 is again detected. If it has changed, it means that imaging is resumed.
Further, the imaging unit 101 may capture an image triggered by the change in the direction of the electronic device 1. Specifically, “the direction of the electronic device 1 has started to change” corresponds to, for example, a case where the detected inclination of the electronic device 1 is different from the previously detected inclination.

(Image holding unit 102)
The image holding unit 102 holds the image captured by the imaging unit 101 in association with the orientation information indicating the orientation of the electronic device 1 at the time of image capture. “Direction information” is acquired from the tilt sensor 110 or the like. The image holding unit 102 includes a storage device such as a flash memory.
FIG. 2 is a diagram illustrating a specific example of data held in the image holding unit 102 when a placing operation for placing the electronic apparatus 1 on a desk or the like is performed. In this example, FIG. 2B shows an image captured at each time when the orientation of the electronic device 1 changes as shown in FIG. 2A at a predetermined time interval (every 20 ms (milliseconds)). This shows that such data is held in the image holding unit 102. Arrows 10 to 16 in FIG. 2A indicate the direction of the electronic device 1 at each time. In this example, it is assumed that the detected orientation of the electronic apparatus 1 is a biaxial inclination.

In the data of FIG. 2B, “image ID” is an identifier for identifying an image. For easy understanding in this example, an image captured in the direction indicated by the arrow X (X = 10 to 16) in FIG. 2A is an image with the image ID = X in FIG. 2B. And “Time” is the time when each image is captured, and each image is captured at intervals of 20 ms.
“Inclination” indicates the direction of the electronic apparatus 1 when an image is captured. In FIG. 2B, for easy understanding, the “tilt” is illustrated by an arrow, but is actually represented by a vector value indicating the tilt.
Note that the image holding unit 102 holds entity data (that is, image data) of each image in addition to the data of FIG.

(Detector 103)
The detection unit 103 detects that the orientation of the electronic device 1 has become unchanged. Further, the detection unit 103 acquires the orientation of the electronic device 1 from the tilt sensor 110 or the like.
Here, “the orientation of the electronic device 1 is in an invariable state” means that, for example, a tilt whose displacement is within a predetermined range (including a case where the tilt does not change) is detected for a certain time or a certain number of times. It means the case. More specifically, for example, the case where the inclination in the biaxial direction does not change (or the amount of change is within a predetermined range) and the acceleration does not change within a certain time.

(Image output unit 104)
When the detection unit 103 detects that the orientation of the electronic device 1 has not changed, the image output unit 104 has a direction in which the amount of displacement is within a predetermined range with respect to the orientation of the electronic device 1 at that time. The associated image is output to the display unit 105.
Further, when the detection unit 103 detects that the orientation of the electronic device 1 has not changed, the image output unit 104 has a displacement amount within a predetermined range with respect to the orientation of the electronic device 1 at that time. An image that is associated with the orientation and is captured before a predetermined time from the time of detection by the detection unit 103 may be output to the display unit 105.

  Specifically, the “predetermined time” is about 1 to 2 seconds in consideration of general human hand movements and taking into account the distance that can be taken close-up with adequate focus and sufficient brightness. It seems to be. In addition, when it is determined that the image before the predetermined time from the detection of the invariant state is out of focus, or when the brightness is less than the predetermined value, it is determined that the image is inappropriate for display. In this case, the image captured immediately before that may be displayed on the display unit 105. Further, if the image is inappropriate for display, the process of displaying the image captured immediately before that on the display unit 105 may be repeated.

  Here, the case where the orientation of the electronic device 1 is in an invariable state means that, for example, as shown in FIG. 3A, the electronic device 1 stands and the imaging unit 101 is parallel to the table top. When it is placed on a desk or the like in a state of being directed, that is, when the distance between the imaging unit 101 and the subject is considerable and the imaging unit 101 can capture the subject clearly, or as shown in FIG. As described above, it is assumed that the imaging unit 101 is placed on a desk or the like with the imaging unit 101 facing the top surface of the desk. In the former case, since the imaging unit 101 can capture an image of a subject so that the brightness is sufficient, the image output unit 104 is placed when the orientation of the electronic device 1 is unchanged (that is, placed upright). The image associated with the same orientation as that of the electronic device 1 may be output to the display unit 105.

  However, in the latter case, an image with insufficient brightness is captured because the camera and the subject are too close together. Therefore, in such a case, the image output unit 104 is an image captured before a predetermined time from the detection of the invariant state, and has substantially the same orientation as the orientation of the electronic device 1 when the invariant state is detected. The image may be output to the display unit 105. Thereby, an image with sufficient brightness can be displayed on the display unit 105.

  Here, the processing in the image output unit 104 in the latter case will be described with reference to FIG. For example, in the example of FIG. 2, since the inclination of the electronic device 1 indicated by the arrows 14 to 16 is the same, the detection unit 103 detects that the orientation of the electronic device 1 has become unchanged. . Then, the image output unit 104 is in a direction before the predetermined time from the detection of the invariant state and the displacement amount is within a predetermined range with respect to the direction indicated by the arrows 14 to 16, for example, the arrow 12 or the arrow 13. An image with the image ID “12” or “13” captured in the direction indicated by is output to the display unit 105.

  In the case of FIG. 3A, the image captured by the imaging unit 101 immediately after the detection unit 103 detects that the orientation of the electronic device 1 is in an invariable state has sufficient brightness. It is thought that it contributes also to displaying on 105. Therefore, assuming the case of FIG. 3B, when the image output unit 104 detects that the orientation of the electronic device 1 has not changed in the detection unit 103, the image output unit 101 is first detected after the detection. When the brightness of the image picked up by the method is less than a predetermined value, the image is associated with a direction whose displacement is within a predetermined range with respect to the direction of the electronic device 1 when the invariant state is detected. And the image imaged before the predetermined time from the time of the detection in the detection part 103 may be output to the display part 105. FIG.

  Further, when the detection unit 103 detects that the orientation of the electronic device 1 has not changed, the image output unit 104 has a displacement amount within a predetermined range with respect to the orientation of the electronic device 1 at that time. An image that is associated with the orientation and has a lightness equal to or higher than a predetermined value may be output to the display unit 105. As a result, for example, as shown in FIG. 3B, even when the imaging unit 101 cannot capture an appropriate image immediately after it is detected that the orientation of the electronic device 1 has become unchanged, It is possible to display an image with the same brightness and sufficient brightness as that at the time of detection. Therefore, the external appearance of the electronic device 1 can be adapted to the surrounding environment and can be made inconspicuous.

Furthermore, in view of the case of FIG. 3B, when the image output unit 104 detects that the orientation of the electronic device 1 is in an invariable state in the detection unit 103, the image output unit 104 first performs the detection by the imaging unit 101 after the detection. When the brightness of the captured image is less than a predetermined value, the image is associated with a direction in which the amount of displacement is within a predetermined range with respect to the direction of the electronic device 1 when the invariant state is detected, In addition, an image having a lightness equal to or higher than a predetermined value may be output to the display unit 105.
In addition, the image output unit 104 performs image processing on the image captured by the imaging unit 101 with respect to the state held in the image holding unit 102 or superimposes it on another image and outputs the image to the display unit 105. You may come to do. Accordingly, for example, the captured image is displayed and output on the display unit 105 in a state suitable for display, such as a clearer image.

(Display unit 105)
The display unit 105 displays the image output from the image output unit 104. Further, in the present embodiment, the display unit 105 is provided in the external part of the electronic device 1. Here, specifically, the “appearance portion” corresponds to a portion that becomes an outer surface in a folded state when the electronic device 1 is a folding type mobile phone, for example. For example, when the electronic device 1 is a straight-type mobile phone, a surface provided with operation keys operated by the user when making a call or creating a mail corresponds.

  Further, the display direction on the display unit 105 and the imaging direction on the imaging unit 101 may be opposite to each other. Specifically, this is the case where the electronic device is provided in such a position that the camera and the display are back to back. In such a case, when the electronic apparatus 1 is placed on a desk or the like with the camera facing down, the display is in an upward state. Therefore, when the electronic device 1 is placed on the desk and an image captured by the camera immediately before the electronic device 1 is displayed on the display, which is substantially the same as the orientation of the electronic device 1, the electronic device 1 is displayed on the display. An image of a part of the placed desk is displayed. Thereby, the external appearance of the electronic device 1 becomes familiar with the surrounding environment, and the electronic device 1 becomes inconspicuous. Further, the display unit 105 may be provided so as to cover the entire surface of the specific surface of the casing of the electronic device 1. In this case, for example, when the electronic device 1 is placed on a desk so that the display faces upward, the appearance of the electronic device 1 becomes more familiar with the surrounding environment because there is no frame of the casing around the display. The electronic device 1 becomes inconspicuous.

  The electronic apparatus 1 shown in FIG. 1 has a general computer configuration such as a CPU (Central Processing Unit), a RAM (Random Access Memory) and the like, a storage device such as an SSD and a hard disk, and a network interface (not shown). This is realized by the same configuration. The functions of the components of the electronic device 1 described above are functions realized by, for example, reading and executing a program stored in an SSD or the like on a memory such as a RAM.

(Operation of electronic device)
Hereinafter, the operation of the electronic apparatus 1 will be described. 4 and 5 are flowcharts showing the flow of processing in the electronic apparatus 1.
First, the flowchart shown in FIG. 4 will be described. In the process of FIG. 4, when the orientation of the electronic device 1 is in an invariable state, an image that is the same orientation as that of the electronic device 1 at that time and is captured a predetermined time before the detection of the invariant state is displayed. This is a process when displayed on the part 105.
First, in the imaging unit 101, a camera is activated and image capturing is started (step S101). Next, in the detection unit 103, an inclination sensor, an acceleration sensor, etc. 110 are activated (step S102). Thereafter, orientation information indicating the orientation of the electronic apparatus 1 is transmitted from the tilt sensor 110 or the like to the imaging unit 101 at predetermined time intervals.

Then, in the image holding unit 102, the captured images captured by the camera at predetermined time intervals are stored and stored in a storage device such as an SSD together with the orientation information (step S103).
When the detection unit 103 detects that the orientation information output from the tilt sensor 110 and the acceleration output from the tilt sensor 110 within a predetermined time does not change and the orientation of the electronic device 1 is unchanged (step S104), immediately thereafter. It is determined whether the brightness of the captured image first captured by the imaging unit 101 (step S105) is less than a predetermined value (step S106).

  When the brightness of the captured image is less than a predetermined value, the image holding unit 102 is referred to in the image output unit 104 and is associated with the same or substantially the same direction as the electronic device 1 at this time. An image that is captured before the predetermined time from the detection in step S104 is read from a storage device such as an SSD (step S107). Then, the read image is displayed and output on the display unit 105 (step S108).

In step S106, if the brightness of the captured image captured in step S105 is greater than or equal to a predetermined value, the captured image is read from a storage device such as an SSD (step S109) and displayed on the display unit 105. Is output (step S108).
Next, the flowchart shown in FIG. 5 will be described. In the process of FIG. 5, when the orientation of the electronic device 1 is in an invariable state, an image that has the same orientation as the orientation of the electronic device 1 at that time and has a lightness greater than or equal to a predetermined value is displayed on the display unit 105. Process.

First, in the imaging unit 101, a camera is activated and image capturing is started (step S201). Next, in the detection unit 103, an inclination sensor, an acceleration sensor, etc. 110 are activated (step S202). Thereafter, orientation information indicating the orientation of the electronic apparatus 1 is transmitted from the tilt sensor 110 or the like to the imaging unit 101 at predetermined time intervals.
Then, in the image holding unit 102, captured images captured by the camera at predetermined time intervals are stored and stored in a storage device such as an SSD together with the orientation information (step S203).

  When the detection unit 103 detects that the orientation information output from the tilt sensor 110 or the like and the acceleration are not changed within a certain time and the orientation of the electronic device 1 is unchanged (step S204), the image output unit In 104, the image holding unit 102 is referred to, and an image associated with the same or substantially the same orientation as the electronic device 1 at this time is read from a storage device such as an SSD (step S205).

If the brightness of the image read in step S205 is equal to or greater than a predetermined value (step S206), this image is displayed and output on the display unit 105 (step S207). In step S206, if the brightness of the image is less than the predetermined value, the process of step S205 is repeated.
(Summary)
As described above, according to the present invention, when an electronic device is placed on a desk or the like and its orientation is not changed, an appropriate image among pre-captured images is displayed on the electronic device. Can be displayed on the display.

DESCRIPTION OF SYMBOLS 1 Electronic device 101 Imaging part 102 Image holding part 103 Detection part 104 Image output part 105 Display part 110 Tilt sensor etc.

Claims (11)

  1. An imaging means for capturing an image;
    An image holding unit that holds an image captured by the imaging unit and direction information indicating a direction of the own device at the time of capturing the image in association with each other;
    Detection means for detecting that the orientation of the own device has become unchanged,
    When it is detected by the detection means that the orientation of the own device is in an invariable state, the image associated with the orientation whose displacement is within a predetermined range with respect to the orientation of the own device at that time, Image output means for outputting to the display means of its own device;
    An electronic device.
  2.   When the detecting means detects that the orientation of the own device is in an invariable state, the image output means is associated with an orientation whose displacement is within a predetermined range with respect to the orientation of the own device at that time. The electronic apparatus according to claim 1, wherein the image is an image and the image captured before a predetermined time from the detection by the detection unit is output to a display unit of the apparatus itself.
  3.   The image output means, when the detection means detects that the orientation of its own device is in an invariable state, and after the detection, the brightness of the image first picked up by the image pickup means is less than a predetermined value In addition, the image is associated with an orientation in which the amount of displacement is within a predetermined range with respect to the orientation of the device at the time of detecting the invariant state, and before a predetermined time from the time of detection by the detection means The electronic apparatus according to claim 2, wherein the image picked up by the apparatus is output to display means of the apparatus.
  4.   When the detecting means detects that the orientation of the own device is in an invariable state, the image output means is associated with an orientation whose displacement is within a predetermined range with respect to the orientation of the own device at that time. The electronic apparatus according to claim 1, wherein the electronic apparatus outputs the image having a lightness equal to or higher than a predetermined value to a display unit of the apparatus.
  5.   5. The electronic apparatus according to claim 1, wherein the imaging unit captures an image every predetermined time while the direction of the apparatus is changing.
  6.   6. The electronic device according to claim 1, wherein the electronic device is a portable terminal.
  7.   The electronic device according to claim 1, wherein the display unit is provided in an appearance portion of the device itself.
  8.   The electronic apparatus according to claim 1, wherein a display direction on the display unit and an imaging direction on the imaging unit are opposite to each other.
  9.   The image output means performs image processing on the state of the image held in the image holding means, or superimposes the image on another image and outputs the image to the display means of its own device. The electronic device according to claim 1.
  10. An image output method executed in an electronic device, comprising:
    An imaging step for imaging an image;
    An image holding step for holding the image captured in the imaging step and the orientation information indicating the orientation of the electronic device at the time of capturing the image in association with each other;
    A detecting step for detecting that the orientation of the electronic device has become unchanged;
    When it is detected in the detection step that the orientation of the electronic device is in an invariable state, the image associated with the orientation in which the amount of displacement is within a predetermined range with respect to the orientation of the electronic device at that time An image output step for outputting to the display means of the electronic device;
    An image output method comprising:
  11.   In the image output step, the image is subjected to image processing on the state when held in the image holding step, or is superimposed on another image and output to the display unit of the electronic device. The image output method according to claim 10.
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