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½ a second before tsunami

½ a second before tsunami . This picture was taken on the banks of Sumatra Island (the height of waves was of approx. 32 m = 105 ft). It was found saved in a digital camera, 1 ½ years after the disaster. Probably this is the last image he/ she saw before ending life on Earth! .

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½ a second before tsunami

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  1. ½ a second before tsunami This picture was taken on the banks of Sumatra Island (the height of waves was of approx. 32 m = 105 ft). It was found saved in a digital camera, 1 ½ years after the disaster. Probably this is the last image he/ she saw before ending life on Earth!

  2. Images are NOT Always Perfect

  3. Image Enhancement Brightness control Contrast enhancement Noise reduction Edge enhancement Zooming

  4. Image Enhancement

  5. Image Enhancement • Spatial domain techniques • Point operations • Histogram equalization and matching • Applications of histogram-based enhancement • Frequency domain techniques • Unsharp masking • Homomorphic filtering

  6. Noise Reduction Noise geometric transformation photometric transformation

  7. Basic Photo Retouching Techniques • Clone stamp tool • Rubber stamp tool • Smudge tool • Cropping tool • Levels Adjustment • Hue/Saturation • Correcting Color and Tone

  8. Image Enhancement

  9. Image Enhancement

  10. Exercise

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