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Publications

The simplicity, complexity, and benefits of multi-aperture imaging in the thermal infrared

  • SPIE Security + Defence, 2017, Warsaw, Poland,
  • General

We describe how the use of multiple-camera imaging systems provides an interesting alternative imaging modality to conventional single-aperture imaging, but with a different challenge: to computationally integrate diverse images while demonstrating an overall system benefit. We report the use of super-resolution with arrays of nominally identical longwave infrared cameras to yield high-resolution imaging with reduced track length, while various architectures enable foveal imaging, 4π and 3D imaging through the exploitation of integral imaging techniques. Strikingly, multi-camera spectral imaging using a camera array can uniquely demonstrate video-rate imaging, high performance and low cost. © (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

Embedded IR multi aperture imaging for surveillance applications

  • Imaging and Applied Optics 2017 (3D, AIO, COSI, IS, MATH, pcAOP),
  • General

Recent advances in the SEERS project on the development of a IR multi aperture imaging system for surveillance aplications will be presented. Efforts on the development of embedded algorithms for image reconstruction of multi spectral and super resolution images, and image-based measurements will be described.

Simultaneous computational super-resolution and 3D integral imaging in the long-wave infrared using an array of compact cameras

  • Imaging and Applied Optics 2017 (3D, AIO, COSI, IS, MATH, pcAOP),
  • General

We present an integral-imaging super-resolution imaging system in the long-wave infrared based on a synchronous array of low-cost uncooled cameras that yields enhanced angular resolution and 3D integral-imaging capabilities, operating at video rate. Integral imaging facilitates the sub-pixel image registration required for SR at specific planes.

Snapshot multispectral imaging in long-wave infrared based on a multi-aperture system of low-cost detectors

  • Imaging and Applied Optics 2017 (3D, AIO, COSI, IS, MATH, pcAOP),
  • General

We demonstrate a multi-aperture longwave-infrared multispectral imaging technique that, though simple, uniquely combines for the first time the advantages of high throughput, video-rate operation, real-time optimization and low cost. We report snapshot imaging, detection and classification of gas clouds and plastics.

A high-speed MWIR uncooled multi-aperture snapshot spectral imager for IR surveillance and monitoring

  • IEEE International Conference on Imaging Systems and Techniques (IST),
  • General

Méndez-Rial, R., Souto-López, Á., Rodríguez-García, J., Rodríguez-Araújo, J., & García-Díaz, A.