La visión monocular es la capacidad de ver y interpretar la información visual using only one eye. This type of vision is contrasted with binocular vision, which involves both eyes working together to create a three-dimensional perception of the environment. Monocular vision primarily relies on the use of visual cues and depth perception techniques that can be interpreted from a single viewpoint.
El ojo humano es capaz de percibir la profundidad a través de varios mecanismos incluso cuando se usa solo un ojo. Estos mecanismos incluyen:
- Constancia de tamaño: The brain uses familiar size references to judge the distance of objects based on their apparent size.
- Superposición (Oclusión): When one object overlaps another, the brain interprets the occluded object as being further away.
- Perspectiva: Lines and shapes that converge toward a vanishing point in the distance help the brain understand depth.
- Paralaje de movimiento: As an observer moves, objects closer to them appear to move faster than those further away, providing cues about distance.
- Gradiente de textura: Changes in the texture of surfaces, such as variations in detail and density, can indicate depth.
La visión monocular es importante en varios campos, incluyendo visión por computadora, robotics, and artificial intelligence, where understanding depth perception from a single viewpoint is essential for tasks like object recognition and scene understanding. Furthermore, it is also relevant in tecnología de accesibilidad, where users with monocular vision need to navigate and interpret their surroundings effectively.