Method for playing corresponding 3D images according to different visual angles and related image processing system
First Claim
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1. A method for playing a corresponding 3D image according to different visual angles, the method comprising:
- utilizing a first infrared detecting device disposed at a vertical center an axis of the a display device to detect a first distance between the first infrared detecting device and the a shutter glasses;
utilizing a second infrared detecting device disposed on the display device and disposed at the same horizontal another axis perpendicular to the axis with the first infrared detecting device to detect a second distance between the second infrared detecting device and the shutter glasses;
calculating a first offset angle of a visual angle according to the first distance, the second distance, a distance between the first infrared detecting device and the second infrared detecting device, and the cosine law without coordinate calculation, the first offset angle being an angle between the shutter glasses not located at a horizontal surface where the first and second infrared detecting devices are located and a horizontal the another axis relative to the first infrared detecting device;
setting the first offset angle as an offset angle between a vertical projection position of the shutter glasses on the horizontal surface and the horizontal another axis relative to the first infrared detecting device;
setting an complementary angle of the offset angle as a horizontal offset angle of the shutter glasses relative to a vertical center another surface of the display device, the axis being located on the another surface, and the another surface being perpendicular to the surface;
performing horizontal positioning of the shutter glasses relative to the display device according to the horizontal offset angle;
playing, by the display device, a plurality of 3D image sets with different visual angles at a specific frequency;
transmitting, by the a detecting module, a synchronization signal corresponding to the horizontal offset angle to the shutter glasses; and
controlling a switching frequency of the shutter glasses according to the synchronization signal so as to make the shutter glasses capable of receiving one of the plurality of 3D image sets corresponding to the horizontal offset angle.
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Abstract
A 3D image playback method includes utilizing a detecting module to detect a visual angle included between a display device and a shutter glasses, playing a plurality of 3D image sets with different visual angles at a specific frequency by the display device, transmitting a synchronization signal corresponding to the visual angle to the shutter glasses by the detecting module, and controlling a switching frequency of the shutter glasses so as to make the shutter glasses capable of receiving one of the plurality of 3D image sets corresponding to the visual angle.
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Citations
8 Claims
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1. A method for playing a corresponding 3D image according to different visual angles, the method comprising:
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utilizing a first infrared detecting device disposed at a vertical center an axis of the a display device to detect a first distance between the first infrared detecting device and the a shutter glasses; utilizing a second infrared detecting device disposed on the display device and disposed at the same horizontal another axis perpendicular to the axis with the first infrared detecting device to detect a second distance between the second infrared detecting device and the shutter glasses; calculating a first offset angle of a visual angle according to the first distance, the second distance, a distance between the first infrared detecting device and the second infrared detecting device, and the cosine law without coordinate calculation, the first offset angle being an angle between the shutter glasses not located at a horizontal surface where the first and second infrared detecting devices are located and a horizontal the another axis relative to the first infrared detecting device; setting the first offset angle as an offset angle between a vertical projection position of the shutter glasses on the horizontal surface and the horizontal another axis relative to the first infrared detecting device; setting an complementary angle of the offset angle as a horizontal offset angle of the shutter glasses relative to a vertical center another surface of the display device, the axis being located on the another surface, and the another surface being perpendicular to the surface; performing horizontal positioning of the shutter glasses relative to the display device according to the horizontal offset angle; playing, by the display device, a plurality of 3D image sets with different visual angles at a specific frequency; transmitting, by the a detecting module, a synchronization signal corresponding to the horizontal offset angle to the shutter glasses; and controlling a switching frequency of the shutter glasses according to the synchronization signal so as to make the shutter glasses capable of receiving one of the plurality of 3D image sets corresponding to the horizontal offset angle. - View Dependent Claims (2, 3)
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4. An image processing system for playing a corresponding 3D image according to different visual angles, the image processing system comprising:
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a display device for playing a plurality of 3D image sets at a specific frequency; a shutter glasses located at a position corresponding to a visual angle included between the display device and the shutter glasses, the shutter glasses used for receiving one of the plurality of 3D image sets corresponding to the visual angle; and a detecting module coupled to the display device and the shutter glasses, the detecting module comprising; a first infrared detecting device disposed at a vertical center an axis of the display device, the first infrared detecting device used for detecting a first distance between the first infrared detecting device and the shutter glasses; a second infrared detecting device disposed on the display device and disposed at the same horizontal another axis perpendicular to the axis with the first infrared device, the second infrared detecting device used for detecting a second distance between the second infrared detecting device and the shutter glasses; and a processing unit coupled to the first infrared detecting device and the second infrared detecting device, for calculating a first offset angle of the visual angle according to the first distance, the second distance, a distance between the first and second infrared detecting devices, and the cosine law without coordinate calculation, the first offset angle being an angle between the shutter glasses not located at a horizontal surface where the first and second infrared detecting devices are located and a horizontal the another axis relative to the first infrared detecting device, the processing unit being further for setting the first offset angle as an offset angle between a vertical projection position of the shutter glasses on the horizontal surface and the horizontal another axis relative to the first infrared detecting device, setting an complementary angle of the offset angle as a horizontal offset angle of the shutter glasses relative to a vertical center another surface of the display device, performing horizontal positioning of the shutter glasses according to the horizontal offset angle, and controlling the first infrared detecting device to transmit a synchronization signal corresponding to the horizontal offset angle to the shutter glasses so as to control a switching frequency of the shutter glasses; wherein the axis is located on the another surface, and the another surface is perpendicular to the surface where the first and second infrared detecting devices are located. - View Dependent Claims (5, 6, 7, 8)
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Specification