8 ms·
Takeaway from roughly skimming the article: the single pixel detector is a plasmonic nanoantenna, which seems to be tunable. This is placed behind a set of opti
by gmueckl 6y ago
Takeaway from roughly skimming the article: the single pixel detector is a plasmonic nanoantenna, which seems to be tunable. This is placed behind a set of optical diffraction gratings that have been optimized to the task using machine learning and essentially transform the spatially encoded information in the input into a spectral encoding. Both the gratings to encode the information and the decoder have been designed using machine learning. There is no dynamic illumination and the imaged object is static in front of the optics. All of this was done in the THz range.
- jcims 6y agoPresumably you could invert it as well and generate images from a single ‘color’. Create a passive spectroscope that converts the observed spectrum to text identiying the chemical compounds it represents.
- BBC-vs-neolibs 6y agoHard-coded "dreaming" of a an optical "net".
- dcanelhas 6y agoAlternatively a very complicated way of building a film projector.
- dcanelhas 6y agoI interpreted the result as being the convnet equivalent of implementing a multilayer perceptron network as an analog circuit (e.g. using operational amplifiers).