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Issues in Digital Image Acquisition

Issues in Digital Image Acquisition. devices. scanner video digitizer digital camera digital video. sensor organization. line scan sensors area sensors. Digital Image Acquisition. X. origin. Y. Digital Image Representation. f(x,y). Monochrome image -

lucas-haynes
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Issues in Digital Image Acquisition

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  1. Issues in Digital Image Acquisition

  2. devices scannervideo digitizerdigital cameradigital video sensor organization line scan sensorsarea sensors Digital Image Acquisition

  3. X origin Y Digital Image Representation f(x,y) Monochrome image - a two-dimensional light intensity function f(x,y)

  4. Spatial Resolution • Brightness Quantization

  5. 128x128 64x64 Spatial Resolution 256x256

  6. 128x128 64x64 32x32 16x16 Spatial Resolution 256x256

  7. G=64 G=16 G=8 G=4 G=2 Brightness Quantization G=256

  8. Benchmark Images

  9. Benchmark Images

  10. Benchmark Images

  11. Benchmark Images

  12. Digital Representations

  13. Digital Representations Binary image 1 bit/pixel

  14. Digital Representations Greyscale 8 bits/pixel

  15. Digital Representations True color 24 bits/pixel

  16. Digital Representations Red channel 8 bits/pixel Green channel 8 bits/pixel Blue channel 8 bits/pixel True color - 24 bits/pixel

  17. Digital Representations Pseudocolor 8 bits/pixel + look-up table (LUT)

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