👉 Entoptical is a concept in computer vision and machine learning, which refers to a specific type of neural network architecture. The term "entoptical" comes from the Greek word "en" meaning "to be," and "topical" meaning "general." It was first introduced by D. M. C. Hare in 1974. The "entoptical" architecture consists of two main components: a feature extractor (an input layer) and an output layer,