Image system with eye protection
AssigneePixart Imaging Inc.
InventorsHan-Chang Lin, Guo-Zhen Wang, Nien-Tse Chen
Life of this patent
Estimating the term…
Abstract
An image system including a display device, an image sensor, a face detection engine, an eye detection engine and an eye protection engine is provided. The image sensor captures an image. The face detection engine recognizes a user face in the image. The eye detection engine recognizes user eyes in the image. The eye protection engine turns off the display device when the user eyes are recognized in the image but the user face is not recognized in the image.
Claims19
An image system comprising:
- an image sensor having a predetermined field of view and configured to capture an image;
- a display screen;
- and
- a digital signal processor electrically coupled to the image sensor and the display screen, and the digital signal processor comprising:
- a face detection engine electrically coupled to the image sensor and configured to recognize a face in the image;
- an eye detection engine electrically coupled to the image sensor and configured to recognize eyes in the image;
- and
- an eye protection engine
- electrically coupled to the display screen, the face detection engine and the eye detection engine, and
- configured to switch off the display screen when the eyes are recognized in the image by the eye detection engine but the face is not recognized in the image after performing face detection by the face detection engine.
An image system comprising:
- an image sensor having a predetermined field of view and configured to capture an image;
- and
- a digital signal processor electrically coupled to the image sensor, and the digital signal processor comprising:
- a face detection engine electrically coupled to the image sensor and configured to recognize a face in the image;
- an eye detection engine electrically coupled to the image sensor and configured to recognize eyes in the image;
- and
- a display screen configured to
- display with a brightness when (i) the eyes are recognized by the eye detection engine and (ii) the face is recognized by the face detection engine, and
- display with a protection brightness below 30% of the brightness when the eyes are recognized by the eye detection engine but the face is not recognized in the image after performing face detection by the face detection engine.
An operating method of an image system, the image system comprising an image sensor, a display screen and a digital signal processor which is electrically coupled to the image sensor and the display screen, the operating method comprising:
- capturing, by the image sensor, an image having hundreds of pixels;
- recognizing, by the digital signal processor, a face and eyes in the image;
- and
- showing a notice on the display screen by the digital signal processor when the eyes are recognized in the image but the face is not recognized in the image after performing face detection.
Dependencies are inferred from the claim text.