| 主权项 |
1. An optical mouse apparatus, comprising:
a light source unit, arranged for generating and emitting an optical signal, wherein the optical signal is emitted upon a surface, and then forms an optical reflected signal; a sensing unit, arranged for generating a sensed image output according to the optical reflected signal, wherein the sensed image output is utilized for estimating an image displacement of the optical mouse apparatus; and a processing unit, coupled to the light source unit and the sensing unit, the processing unit arranged for controlling the light source unit to emit the optical signal, and controlling an exposure of the sensed image output to dynamically switch between at least two exposure value ranges according to the sensed image output, wherein the processing unit adjusts the exposure of the light source unit to dynamically switch between the at least two exposure value ranges according to a quality parameter of the sensed image output, the quality parameter is a signal-to-noise ratio (SNR), when the SNR of the sensed image output is higher than a first signal threshold, the processing unit reduces the exposure of the sensed image output, and switches the exposure to a second exposure value range from a first exposure value range, and wherein the first exposure value range is higher than the second exposure value range. |
