Although there had been lots
There have been lots. Don't forget that lots is still a plural noun, even though we use it to mean "much."
Here is another grammar problem: Computer Vision is the application field where science and reality
intersects intersect...
the most natural way to justify my passion---You are not using these words to express things they actually express. Justify means something different than what you are using it to mean.
Despite
of endless challenges it involves, what would change human life
Hands on experience in real time applications, accompanied ... The H is incorrectly capitalized... and then the sentence became unclear. You should revise this one.
Actually, you should revise the whole intro paragraph. The rest of the essay is impressive and shows that you have a strong foundation for this process you are about to start. I just don't like the intro. In a case like this, the good thing to do is reread the rest of the essay, ask yourself what it all adds up to, and then write an INSPIRED intro.
I have a feeling you wrote the intro before the rest of the essay was written, and that is usually a bad idea. Whenever you start to write something, let it be a body paragraph. Always plan to write an intro afterward, when you already are familiar with your essay.
:-)