For example, the algorithm might replace the unusual object in an indoor scene with a potted plant that fits in well or a butterfly in outdoor scenes.” And the techniques work well.

When the enhanced photos were sent back to the Mechanical Turk workers, they were indeed more memorable about 75 percent of the time. But, again, there was no silver bullet to making a face easier ...

The researchers built their algorithm by combing through over a million different recipes collected from various recipe websites.