| 摘要 |
The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same. |
| 主权项 |
1. An optical processing apparatus, comprising:
a light source unit, being configured to provide a beam of light; a processing unit, being electrically connected to the light source unit and configured to define a frame rate, define a plurality of first time instants within a first time interval, and set the beam of light provided by the light source unit to a luminance value at each of the first time instants, wherein a length of the first time interval is shorter than a reciprocal of the frame rate and the luminance values are different and within a first range; and an image sensing unit, being electrically connected to the processing unit and configured to capture a first image by an exposure time length at each of the first time instants, wherein the exposure time lengths are the same, wherein the processing unit further calculates an image quality index of each of the first images, derives a comparison result by comparing the image quality indices with at least one threshold, and selects one of the first images as a first selected image representing the first time interval according to the comparison result, wherein the processing unit further sets a basic luminance value of a second time interval to the luminance value corresponding to the first selected image, the second time interval occurs later than the first time interval, a length of the second time interval is shorter than the reciprocal of the frame rate, the processing unit further defines a plurality of second time instants within the second time interval, the processing unit further decides a second range according to the basic luminance value, the processing unit further sets the beam of light provided by the light source unit to a luminance value at each of the second time instants, the luminance values corresponding to the second time interval are different and within the second range, and the image sensing unit further captures a second image by the exposure time length at each of the second time instants. |
