acquire digital maps of the surface of the media, without contact, and then apply image analysis methods to recover the audio data and reduce noise.
IRENE stands for Image, Reconstruct, Erase Noise, Etc. and was named after one of the first reconstructed audio recordings: “Goodnight Irene”, written by H. Ledbetter and J. Lomax, performed by the Weavers (1950). This earns IRENE the much prized pre-hoc classification.
Here more about IRENE here.