Technology

The first colour image, captured by a CMV20000 sensor, to be sent back by the hazard cameras on the Perseverance rover after its landing on Mars on 18 February. Credit: NASA/JPL-Caltech

The sensor stories behind the Mars Perseverance images

Greg Blackman speaks to Guy Meynants, formerly of Cmosis, and Paul Jerram, of Teledyne e2v, about the history of the image sensors onboard the Mars rover

Swivel chair and screen at 40m - picture taken with a 32 x 16-pixel sensor. Credit: Pointcloud and ORC

Silicon photonics lidar raises 3D imaging performance

Researchers in Southampton, UK and San Francisco have developed a lidar sensor that could pave the way for low-cost, high-performance 3D imaging

In a public area, LEDs could be used for general lighting, visible light communication and 3D video surveillance. Credit: Emma Le Francois, University of Strathclyde

Researchers' LED control algorithm simplifies 3D imaging

It is hoped the photometric stereo imaging approach could open up new ways for robots to sense their environment

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