JPG: Looks the better than GIF and tied with PNG. The two look very similar to me.
GIF: Looks spotty and blotchy, definitely not the best for this type of photo.
PNG: Looks similar to JPG I cannot tell a difference.
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This is me saving my photos of the little boy in different formats. It is a midterm exercise from the Immersive Education course that I am taking at Boston College. The course is called Discovering Computer Graphics. For details, visit the immersive BC portal at http://ImmersiveEducation.org/@/bc