1. A method comprising: accessing image data representing an image captured by a video endoscopic device, wherein the image data is encoded in a first color space; converting the accessed image data from the first color space to a second color space, wherein the second color space is different than the first color space; identifying a location of a feature in the image by analyzing the image data in the second color space; storing segmentation data that indicates the location of the features in the image; and displaying, based on the segmentation data, the image with an indication of the identified location of the features.