Neurosurgery is a surgical specialty that treats the lesions of central and peripheral nervous system and is highly technology-dependent. The margin of error is minimum and due to patient-safety and post-operative care concerns, it is becoming more and more minimally invasive. Neuro-endoscopy is a minimally invasive neurosurgery technique that uses an endoscope to perform the surgery. Neuro-navigation system is a tracker-based external equipment that helps the surgeon while performing surgeries to localize themselves with respect to the CT/MRI model of the patient. The objective of the study is to identify the application of computer vision techniques to localize the surgeon from the monocular, fish-eye endoscopic videos. The significance is that the endoscope itself can be used for the registration of the structures and navigation without involving need of external equipment, and need for re-registration and re-imaging the patient.