1. DIGITAL IMAGE PROCESING

2. 1960 NASA LUNAR AND PLANETARY EXPLORATION

3. ANALOG DIGITAL ADC

4. APPLICATION OF DIGITAL IMAGING ULTRASOUND DIGITAL RADIOGRAPHY NUCLEAR MEDICINE CT MRI

5. RADIOGRAPHY - PAST

6. TODAY

7. FLUOROSCOPY IN THE PAST CONVENTIONAL

8. DIGITAL FLUOROSCOPY

9. CASTELMAN (1996) CLASSIFICATION OF THE IMAGES BASED ON THEIR FORM OR METHOD OF FORMATION

10. IMAGES VISIBLE OPTICAL NONVISIBLE IMAGES MATHEMATICAL

11. ANALOG IMAGE CONTINUOUS IMAGES.

12. ANALOG IMAGE RADIOGRAPH- CONTINUOUS DISTRIBUTION OF LIGHT INTENSITY AS A FUNCTION OF POSITION ON THE RADIOGRAPH

13. DIGITAL IMAGE NUMERIC REPRESENTATION OR IMAGES OF OBJECTS

14. ANALOG TO DIGITAL ADC PROCESSING

15. ANALOG vs DIGITAL

16. DIGITAL TO ANALOG DAC

17. ANALOG PROCESSING INPUT AND OUTPUT IMAGES ARE BOTH ANALOG

18. DIGITAL PROCESSING INPUT AND OUTPUT IMAGES ARE BOTH DISCRETE

19. IMAGE DIGITIZATION - ADC SCANNING SAMPLING QUANTIZATION

20. SAMPLING FREQUENCY

21. LOW SAMPLING ALIASING ARTIFACT

22. CT- SIGNAL FROM DETECTORS: ANALOG ANALOG

23. MRI- SIGNAL FROM DETECTORS: ANALOG ANALOG

24. PET- SIGNAL FROM DETECTORS: ANALOG ANALOG

25. BASIC DATA AQUSITION SCHEME IN CT ADC

26. DETECTORS P.M. TUBE SOLID STATE

27. DETECTORS

28. MATRIX - EYE OF THE BEE?!

29. DIGITAL RADIOGRAPH Y MATRIX

30. IMAGE RECEPTOR

31. PIXEL RESOLUTION IN MATRIX 4 x 4---16 PIXELS 4 x 4 MATRIX

32. MATRIX PIXEL WHAT MATRIX? 5 X 4 20 PIXELS

33. HIGH vs LOW RESOLUTION

34. SPATIAL RESOLUTION

35. SPATIAL RESOLUTION= FOV/ MATRIX

36. IMAGE MATRIX SIZES FOR DIFFERENT MODALITIES NUCLEAR MEDICINE CT MRI DR CR 64 X 64 256 X 256 512 X 512 1024 X 1024 2048 X 2048

37. DYNAMIC RANGE: THE RANGE OF VALUES OVER WHICH THE SYSTEM CAN RESPOND HOW MANY DIFFERENT SHADES CAN BE DISPLAYED IN THE PIXEL?

38. DYNAMIC RANGE 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 2 COLORS 4 COLORS 8 COLORS 16 COLORS 32 COLORS 2 X BIT

39. 1 BIT 2 BIT 5 BIT

40. IMAGE MANIPULATION WINDOWING INVERSION IMAGE SHARPENING

42. WINDOW CENTER (LEVEL) CONTROLS: IMAGE DENSITY

43. WINDOW WIDTH CONTROLS: IMAGE CONTRAST

45. WINDOWING

47. IMAGE INVERSION

49. IMAGE SHARPENING

50. RECENT ADVANCEMENTS

51. VIRTUAL REALITY

52. CINE

53. CT ANGIOGRAPHY