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Periscopio computacional con una cámara digital ordinaria

Charles Saunders¹, John Murray-Bruce¹, Vivek K Goyal²

¹Department of Electrical and Computer Engineering, Boston University, Boston, MA, USA.

|January 25, 2019

Resumen

Este resumen es generado por máquina.

Este estudio presenta un nuevo método de periscopio computacional utilizando una sola fotografía de una cámara ordinaria. Permite obtener imágenes fuera de la línea de visión alrededor de obstáculos sin equipo especializado.

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Área de la Ciencia:

Óptica
Visión por computadora
Imágenes computarizadas

Sus antecedentes:

Las imágenes tradicionales sin línea de visión (NLOS) se basan en sistemas ópticos especializados y caros.
Los métodos existentes a menudo dependen de los tiempos de viaje de la luz, lo que limita la accesibilidad y aumenta los costos.

Objetivo del estudio:

Para introducir una nueva técnica de periscopio computacional en dos dimensiones.
Permitir la obtención de imágenes sin línea de visión utilizando una sola fotografía digital estándar.

Principales métodos:

Utiliza una sola fotografía de una cámara digital ordinaria.
Modela la dependencia lineal entre la penumbra visible del objeto y la escena oculta utilizando óptica de rayos.
No requiere iluminación controlada o variable en el tiempo.

Principales resultados:

Recupera con éxito la posición de un objeto opaco y la escena detrás de él.
Obtiene imágenes sin línea de visión alrededor de obstrucciones sin línea de visión.
Demuestra la viabilidad de la periscopía computacional con equipos fotográficos comunes.

Conclusiones:

Esta técnica ofrece una solución accesible y de bajo costo para la obtención de imágenes sin línea de visión.
Las aplicaciones potenciales incluyen monitoreo de entornos peligrosos, navegación y seguridad.
Avanza las imágenes computacionales mediante la simplificación de los requisitos de hardware para los escenarios NLOS.