Adaptive frame rate modulation system and method thereof
AssigneeChunghwa Picture Tubes, Ltd.
InventorsDe-wei Kuo, Jhen-Shen Liao, Yi-nan Chu
Life of this patent
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Abstract
An adaptive frame rate modulation system and method thereof are described. A frame processing unit is employed to receive a first frame and a second frame for dividing the second frame into a plurality of second block frames. A frame change detection unit compares the first block frames with the second block frames correspondingly for detecting the change status between the first and second frames. A timing generator classifies the second block frames of the second frame to construct a plurality of frame rates based on the compared results of the first and second block frames. The timing generator further modulates the frame rates of the second frames.
Claims27
An adaptive frame rate modulation system which is suitable for a display device, the adaptive frame rate modulation system comprising:
- a frame processing unit, for sequentially receiving a first frame and a second frame, wherein the first frame has a plurality of first block frames and the frame processing unit divides the second frame into a plurality of second block frames;
- a frame change detection unit coupled to the frame processing unit, for comparing the first block frames and the second block frames correspondingly to detect the change status between the first frame and the second frame;
- and
- a timing generator coupled to the frame-change detection unit, for classifying the second block frames of the second frame to construct a plurality of frame rates based on the compared results of the first block frames and the second block frames, and for modulating the frame rates of the second frames in order to output the modulated frame rates associated with the second frames into the display device for displaying the second frames thereon.
An adaptive frame rate modulation method which is suitable for a display device, the method comprising the steps of:
- (a) sequentially receiving a first frame and a second frame by a frame processing unit, wherein the first frame has a plurality of first block frames;
- (b) dividing the second frame into a plurality of second block frames by the frame processing unit;
- (c) comparing the first block frames and the second block frames correspondingly by a frame change detection unit for detecting the change status between the first frame and the second frame;
- (d) classifying the second block frames of the second frame by a timing generator for constructing a plurality of frame rates based on the compared results of the first block frames and the second block frames;
- and
- (e) modulating the frame rates of the second frames for outputting the modulated frame rates associated with the second frames into the display device to display the second frames thereon.
Dependencies are inferred from the claim text.