Image reproducing method and apparatus for displaying annotations on a real image in virtual space
First Claim
1. An image reproducing method capable of displaying an annotation relating to an object in virtual space, said method comprising:
- an acquisition step of acquiring annotation information that is for displaying an annotation, and definition information for defining a first zone, in which a first mode for causing the annotation to be displayed at a position that does not correspond to the location of the object is to be executed, and a second zone, in which a second mode for causing the annotation to be displayed at a position that corresponds to the location of the object is to be executed;
a determination step of determining whether a viewpoint position of an observer lies in the first zone or in the second zone in accordance with the viewpoint position; and
a display control step of causing the annotation to be displayed in the first mode if the viewpoint position has been determined to lie in the first zone by said determination step, and in the second mode if the viewpoint position has been determined to lie in the second zone by said determination step.
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Abstract
In an image reproducing method capable of displaying annotations in virtual space constituted by a group of real panoramic images. If an object for which an annotation is to be displayed falls within the field of view at the position of the observer, the object is adopted as the display position of the annotation. If the object is not within the field of view, then the direction of forward travel of the observer is adopted as the annotation display position. If the object is in a state of transition, then the annotation display position is decided by interpolation.
78 Citations
16 Claims
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1. An image reproducing method capable of displaying an annotation relating to an object in virtual space, said method comprising:
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an acquisition step of acquiring annotation information that is for displaying an annotation, and definition information for defining a first zone, in which a first mode for causing the annotation to be displayed at a position that does not correspond to the location of the object is to be executed, and a second zone, in which a second mode for causing the annotation to be displayed at a position that corresponds to the location of the object is to be executed;
a determination step of determining whether a viewpoint position of an observer lies in the first zone or in the second zone in accordance with the viewpoint position; and
a display control step of causing the annotation to be displayed in the first mode if the viewpoint position has been determined to lie in the first zone by said determination step, and in the second mode if the viewpoint position has been determined to lie in the second zone by said determination step. - View Dependent Claims (2, 3, 4, 5, 6, 13, 15)
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7. An image reproducing apparatus capable of displaying an annotation relating to an object in virtual space, said apparatus comprising:
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a storage unit configured to store annotation information that is for displaying an annotation, and definition information for defining a first zone, in which a first mode for causing the annotation to be displayed at a position that does not correspond to the location of the object is to be executed, and a second zone, in which a second mode for causing the annotation to be displayed at a position that corresponds to the location of the object is to be executed;
a determination unit configured to determine whether a viewpoint position of an observer lies in the first zone or in the second zone in accordance with the viewpoint position; and
a display control unit configured to cause the annotation to be displayed in the first mode if the viewpoint position has been determined to lie in the first zone by said determination unit, and in the second mode if the viewpoint position has been determined to lie in the second zone by said determination unit.
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- 8. An image reproducing method capable of displaying an annotation in virtual space, said method comprising an annotation display position deciding step of adopting a position that corresponds to the location of an object, for which an annotation is to displayed, as the annotation display position in a first state in which the object falls within a field of view at the position of an observer, adopting a prescribed position in the forward direction of the observer as the annotation display position in a second state in which the object does not fall within the field of view, and deciding the annotation display position by interpolation in a third state which is between the first state and the second state.
Specification