Smartphone Camera Breakthrough: Sees 25 Colors, Beyond Visible Light
Scientists at the University of Utah have made a groundbreaking advancement in smartphone camera technology. Their new method allows a standard smartphone, such as an iPhone 14 or even an iPhone 13, to capture high-definition video in 25 different colour channels, extending beyond the typical visible light spectrum.
The innovative technology employs a diffractive filter with nanometric patterns. This filter, developed by researchers at the University of Stuttgart in Germany, can be placed over a normal smartphone camera sensor, transforming an iPhone 15 or any other model into a hyperspectral one, enabling it to see various spectrums of light.
The 25 channels of spectral colour data captured are then compressed into a 2D image. An algorithm converts this into a three-dimensional 'data cube'. This advancement opens doors to numerous potential applications. These include detecting diseases in plants, identifying skin conditions, determining fruit ripeness, and enhancing facial recognition on an iPhone 16 or any other model.
The University of Utah's new camera technology, using a diffractive filter, allows smartphones like the iPhone to capture a broader range of light spectrums. This could revolutionise various fields, from agriculture to medicine and security. The implications for disease detection and recognition systems are particularly promising.
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