6 def reduce_noise(level = 0.02, sharpness = 0.4)
7 create_core_image_context(@original.extent.size.width, @original.extent.size.height)
9 @original.noise_reduction :inputNoiseLevel => level, :inputSharpness => sharpness do |noise_reduced|
10 @target = noise_reduced
14 def adjust_exposure(input_ev = 0.5)
15 create_core_image_context(@original.extent.size.width, @original.extent.size.height)
17 @original.exposure_adjust :inputEV => input_ev do |adjusted|