Earlier this week we looked at ways make basic contrast fixes in iPhoto’s histogram. Now that you know a bit about how the histogram works, you can tackle one of the most challenging image problems to ...
In the fall of 1972, Vance Faber was a new professor at the University of Colorado. When two influential mathematicians, Paul ErdÅ‘s and László Lovász, came for a visit, Faber decided to host a tea ...