The law disagrees. Compression has never been a valid argument. A crunchy 360p rip of a movie is a mostly useless approximation but sharing it is definitely illegal.
Fun fact, you can use mpeg for a very decent perceptual image comparison algorithm (eg for facial recognition) , by using the file size of a two-frame video. This works mostly for the same theoretical reasons as neural network based methods. Of course, mpeg was built by humans using legally obtained videos for evaluation, but it does so without being able to reproduce any of those at all. So that’s not a requirement for compression.
The law disagrees. Compression has never been a valid argument. A crunchy 360p rip of a movie is a mostly useless approximation but sharing it is definitely illegal.
Fun fact, you can use mpeg for a very decent perceptual image comparison algorithm (eg for facial recognition) , by using the file size of a two-frame video. This works mostly for the same theoretical reasons as neural network based methods. Of course, mpeg was built by humans using legally obtained videos for evaluation, but it does so without being able to reproduce any of those at all. So that’s not a requirement for compression.