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OpenCV 3 Blueprints by Utkarsh Sinha, Quan Hua, Steven Puttemans, Joseph Howse

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Capturing the subject in the moment

Robert Capa, a photojournalist who covered five wars and shot images of the first wave of D-Day landings at Omaha Beach, gave this advice:

"If your pictures aren't good enough, you're not close enough."

Like a computer vision program, a photographer is the intelligence behind the lens. (Some would say the photographer is the soul behind the lens.) A good photographer continuously performs detection and tracking tasks—scanning the environment, choosing the subject, predicting actions and expressions that will create the right moment for the photo, and choosing the lens, settings, and viewpoint that will most effectively frame the subject.

By getting "close enough" to the subject and the action, the photographer ...

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