课程大纲：http://vision.stanford.edu/teaching/cs131_fall1718/syllabus.html
课程定位：
课程交叉：
what is (computer) vision?：
1. a scientific field that extracts information out of digital images.
2. building algorithms that can be understand the contnent of image and use it for other applications.
Vision: sensing device + interpreting device
In the first part, cameras are better than humans, they can see far away and see more information, in ther second part, computer vision lags behind human.
The task of computer vision:
bridge the gap between pixels and meaning
why computer vision is so hard?
because there is a huge gap between pixels and meaning.
original of computer vision:
what kind of information can we with draw from a imgae?
- 3d matrix
- semantic information
Breath and Depth
