Method and apparatus for presenting panoramic photo in mobile terminal, and mobile terminal

• US 9,621,802 B2
• Filed: 06/10/2015
• Issued: 04/11/2017
• Est. Priority Date: 06/16/2014
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Li, Xiaojuan, Gao, Wenmei
• Primary Examiner(s): Demeter, Hilina K
• Application Number:
  US14/735,625
• Publication Number:
  US 20150363915A1
• Time in Patent Office: 671 Days
• Field of Search: None
• CPC Class Codes: G06F 3/0346 with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• CPC Class Codes: H04M 1/72403 with means for local support of applications that increase the functionality
• CPC Class Codes: H04M 1/72454 according to context-related or environment-related conditions
• CPC Class Codes: H04N 23/698 for achieving an enlarged field of view, e.g. panoramic image capture

Abstract

A method and an apparatus for presenting a panoramic photo in a mobile terminal, and a mobile terminal. A trigger instruction that is used to instruct the mobile terminal to enter an immersive browsing mode is detected, where the immersive browsing mode is a browsing mode in which a panoramic photo moves as the mobile terminal rotates; and if the trigger instruction is detected, a rotation angle of the mobile terminal is detected and determined, and a panoramic photo that is presented in a normal mode in the mobile terminal is moved and presented according to the determined rotation angle. By using the present invention, complexity of panoramic photo browsing can be reduced, which makes it convenient for a user to browse a panoramic photo.

Claims

1. A method for presenting a panoramic photo in a mobile terminal, comprising:

detecting a trigger instruction that is used to instruct the mobile terminal to enter an immersive browsing mode, wherein the immersive browsing mode is a browsing mode in which the panoramic photo moves as the mobile terminal rotates;

detecting and determining a rotation angle of the mobile terminal when the trigger instruction is detected;

calculating a minimum displacement of the panoramic photo according to a preset rotation angle threshold, a rotation angle of the mobile terminal when the panoramic photo is photographed, and a photo width of the panoramic photo along a rotation direction of the mobile terminal when the panoramic photo is photographed; and

moving and presenting, according to the rotation angle and the minimum displacement, the panoramic photo that is displayed in a normal mode in the mobile terminal, and

wherein the panoramic photo is moved for the minimum displacement along a direction opposite to a rotation direction of the mobile terminal.

2. The method according to claim 1, wherein determining the rotation angle of the mobile terminal comprises:

determining a placement direction in which the mobile terminal is located in a rotation process; and

determining the rotation angle of the mobile terminal according to the placement direction.

3. The method according to claim 2, wherein determining the placement direction in which the mobile terminal is located in the rotation process comprises:

detecting an angle of a gravity direction of the mobile terminal with respective to a direction of an X-Y plane of a reference three-dimensional coordinate system, wherein the X-Y plane of the reference three-dimensional coordinate system is parallel to a plane in which a screen of the mobile terminal is located, and wherein a Z-axis of the reference three-dimensional coordinate system is perpendicular to the plane in which the screen of the mobile terminal is located; and

determining, according to the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system, the placement direction in which the mobile terminal is located in the rotation process.

4. The method according to claim 3, wherein determining, according to the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system, the placement direction in which the mobile terminal is located in the rotation process comprises:

determining that the placement direction in which the mobile terminal is located in the rotation process is a vertical placement direction when the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system is not greater than 45 degrees; and

determining that the placement direction in which the mobile terminal is located in the rotation process is a horizontal placement direction when the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system is greater than 45 degrees.

5. The method according to claim 3, wherein determining the rotation angle of the mobile terminal according to the placement direction comprises:

using a direction of the Z-axis in the reference three-dimensional coordinate system as a corresponding axial direction of the mobile terminal in the rotation process when it is determined that the placement direction in which the mobile terminal is located in the rotation process is a horizontal placement direction; and

using an angle by which the mobile terminal rotates with respective to the axial direction as the rotation angle of the mobile terminal.

6. The method according to claim 3, wherein determining the rotation angle of the mobile terminal according to the placement direction comprises:

using one of a direction of an X-axis and a direction of a Y-axis in the reference three-dimensional coordinate system as a corresponding axial direction of the mobile terminal in the rotation process when it is determined that the placement direction in which the mobile terminal is located in the rotation process is a vertical placement direction; and

using an angle by which the mobile terminal rotates with respective to the axial direction as the rotation angle of the mobile terminal.

7. The method according to claim 1, wherein before moving, according to the rotation angle, the panoramic photo that is displayed in the normal mode in the mobile terminal, further comprises determining that the rotation angle of the mobile terminal reaches the preset rotation angle threshold.

8. The method according to claim 1, wherein before detecting and determining the rotation angle of the mobile terminal, the method further comprises providing prompt information that is used to instruct to rotate the mobile terminal.

9. The method according to claim 8, wherein before providing the prompt information that is used to instruct to rotate the mobile terminal, the method further comprises acquiring a rotation direction of the mobile terminal that is saved when the panoramic photo is photographed, and wherein providing the prompt information that is used to instruct to rotate the mobile terminal comprises providing the prompt information that is used to instruct to rotate the mobile terminal according to the acquired rotation direction.

10. The method according to claim 1, wherein the minimum displacement is calculated according to an equation:

11. A mobile terminal, comprising:

an input device;

a sensor;

a processor coupled to the input device and the sensor; and

a display screen coupled to the processor,

wherein the input device is configured to input a trigger instruction that is used to instruct the mobile terminal to enter an immersive browsing mode,

wherein the immersive browsing mode is a browsing mode in which a panoramic photo moves as the mobile terminal rotates,

wherein the sensor is configured to detect a rotation angle of the mobile terminal,

wherein the processor is configured to determine a minimum displacement of the panoramic photo according to a preset rotation angle threshold, a rotation angle of the mobile terminal when the panoramic photo is photographed, and a photo width of the panoramic photo along a rotation direction of the mobile terminal when the panoramic photo is photographed,

wherein the processor is configured to, when it is detected that the trigger instruction is input by the input device, move, according to the rotation angle and the minimum displacement, the panoramic photo that is presented in a normal mode in the mobile terminal,

wherein the processor is configured to move the panoramic photo for the minimum displacement along a direction opposite to the rotation direction of the mobile terminal, and

wherein the display screen is configured to present the panoramic photo.

12. The mobile terminal according to claim 11, wherein the sensor is configured to:

determine a placement direction in which the mobile terminal is located in a rotation process; and

determine the rotation angle of the mobile terminal according to the placement direction.

13. The mobile terminal according to claim 12, wherein the sensor is configured to determine, in the following manner, the placement direction in which the mobile terminal is located in the rotation process:

detecting an angle of a gravity direction of the mobile terminal with respective to a direction of an X-Y plane of a reference three-dimensional coordinate system, wherein the X-Y plane of the reference three-dimensional coordinate system is parallel to a plane in which a screen of the mobile terminal is located, and wherein a Z-axis of the reference three-dimensional coordinate system is perpendicular to the plane in which the screen of the mobile terminal is located; and

determining, according to the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system, the placement direction in which the mobile terminal is located in the rotation process.

14. The mobile terminal according to claim 12, wherein the sensor is configured to determine, in the following manner, according to the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system, and wherein the placement direction in which the mobile terminal is located in the rotation process:

determining that the placement direction in which the mobile terminal is located in the rotation process is a vertical placement direction when the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system is not greater than 45 degrees; and

determining that the placement direction in which the mobile terminal is located in the rotation process is a horizontal placement direction when the angle of the gravity direction of the mobile terminal with respective to the direction of the X-Y plane of the reference three-dimensional coordinate system is greater than 45 degrees.

15. The mobile terminal according to claim 13, wherein the sensor is configured to determine, in the following manner, the rotation angle of the mobile terminal according to the placement direction:

using a direction of the Z-axis in the reference three-dimensional coordinate system as a corresponding axial direction of the mobile terminal in the rotation process when it is determined that the placement direction in which the mobile terminal is located in the rotation process is a horizontal placement direction; and

using an angle by which the mobile terminal rotates with respective to the axial direction as the rotation angle of the mobile terminal.

16. The mobile terminal according to claim 13, wherein the sensor is configured to determine, in the following manner, the rotation angle of the mobile terminal according to the placement direction:

using one of a direction of an X-axis and a direction of a Y-axis in the reference three-dimensional coordinate system as a corresponding axial direction of the mobile terminal in the rotation process when it is determined that the placement direction in which the mobile terminal is located in the rotation process is a vertical placement direction; and

using an angle by which the mobile terminal rotates with respective to the axial direction as the rotation angle of the mobile terminal.

17. The mobile terminal according to claim 11, wherein the processor is further configured to determine that the rotation angle of the mobile terminal reaches the preset rotation angle threshold before moving, according to the rotation angle, the panoramic photo that is presented in the normal mode in the mobile terminal.

18. The mobile terminal according to claim 11, wherein the processor is further configured to provide prompt information that is used to instruct to rotate the mobile terminal when it is detected that the trigger instruction is input by the input device.

19. The mobile terminal according to claim 18, wherein the processor is further configured to acquire a rotation direction of the mobile terminal that is saved when the panoramic photo is photographed before providing the prompt information that is used to instruct to rotate the mobile terminal, and wherein the processor is specifically configured to provide, in the following manner, the prompt information that is used to instruct to rotate the mobile terminal by providing the prompt information that is used to instruct to rotate the mobile terminal according to the acquired rotation direction.

20. The mobile terminal according to claim 11, wherein the minimum displacement is calculated according to an equation: