0:05 So today we're going to continue our discussion on computer vision. In particular, last week [snorts] we talked about how to uh the mathematical transformation that allow us to map points in the 3D world onto uh a camera image and most importantly how to leverage that mathematical mapping in order to reconstruct the environment in 3D once we have access to 2D images.
0:38 Now this is a very important process because one of the most fundamental tasks that you want to achieve with a vision sensor is that of reconstructing the environment. But that is only one of the tasks that you want to achieve with a vision sensor. There are many more and in particular through vision you are interested in detecting uh objects that can be used in order to reason semantically about environment. in particular is a blob human or an object
1:11 and what are the implications in terms of decision making. So in order to do so we have to dig a little bit deeper about how to extract information from uh images. In particular, uh the topic of today is to learn how to first of all filter images in order to remove for example noise that might affect the information that we extract from an image and second how to detect and describe key features of an image such
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