MIDI file impossible to transcribe in a legible way?

Some MIDI files are recorded "freely", i.e. without regarding to a metronome. The performer sits in front of the keyboard and begins the recording while playing freely, without any metronome or fixed tempo. For instance, this is sometimes the case for Chopin scores and generally for all pieces that must be played quite freely so as to avoid breaking down the natural of the piece. In this case, the computer records the MIDI data, referring to its own metronome, which is thus different from the performer's tempo reference. Beats do not correspond together. It is then impossible to create a logically written score, musically speaking. Therefore, it would be necessary to relocate the beats in the MIDI file. We will examine this question for some future release of Pizzicato.