METHOD FOR ADJUSTING OPERATING FREQUENCY OF AN OPTICAL INPUT DEVICE ACCORDING TO REFERENCE FRAME CHANGES
First Claim
1. A method for adjusting an operation frequency of an optical input device according to a change of a reference frame, the method comprising the following steps:
- (a) capturing and setting a first image as a reference frame of the optical input device;
(b) capturing and setting an image as a sample frame of the optical input device;
(c) analyzing the sample frame according to the reference frame;
(d) capturing a second image according to a predetermined rule and setting the second image as the reference frame of the optical input device instead of the first image; and
(e) adjusting an operation frequency of the optical input device according to a time interval between setting the first image as the reference frame of the optical input device and setting the second image as the reference frame of the optical input device.
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Abstract
A method for adjusting an operation frequency of an optical input device is introduced. The method includes capturing and setting a first image as a reference frame of the optical input device; capturing and setting a plurality of frames as a plurality of sample frames of the optical input device; analyzing the plurality of sample frames according to the reference frame; capturing a second image according to a predetermined rule and setting the second image as the reference frame of the optical input device instead of the first image; and adjusting an operation frequency of the optical input device according to a time interval between setting the first image as the reference frame of the optical input device and setting the second image as the reference frame of the optical input device.
22 Citations
12 Claims
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1. A method for adjusting an operation frequency of an optical input device according to a change of a reference frame, the method comprising the following steps:
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(a) capturing and setting a first image as a reference frame of the optical input device;
(b) capturing and setting an image as a sample frame of the optical input device;
(c) analyzing the sample frame according to the reference frame;
(d) capturing a second image according to a predetermined rule and setting the second image as the reference frame of the optical input device instead of the first image; and
(e) adjusting an operation frequency of the optical input device according to a time interval between setting the first image as the reference frame of the optical input device and setting the second image as the reference frame of the optical input device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for adjusting an operation frequency of an optical input device according to a change of a reference frame, the method comprising the following steps:
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(a) capturing and setting a first image as a reference frame of the optical input device;
(b) capturing and setting a plurality of images as a plurality of sample frames of the optical input device;
(c) analyzing the plurality of sample frames according to the reference frame;
(d) capturing a second image according to a predetermined rule and setting the second image as the reference frame of the optical input device instead of the first image; and
(e) adjusting an operation frequency of the optical input device according to number of the sample frames being analyzed during a period of the first image being set as the reference frame of the optical input device. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification