1. Image Processing and Analysis

2. Agenda Gray-Level Operations Color Space Operations
Look-up Tables
Brightness and Contrast
Color Space Operations
Frequency Filtering
Basic Morphology
Particle Filtering and Parameters
Gray-Level Morphology

3. Modifying Gray Values

4. Gray Level Perception (1)

5. Gray Level Perception (2)

6. Creating LuT (Look-up Tables)

7. LuT: Linear

8. LuT: Logarithmic

9. LuT: Exponential

10. LuT: Square

11. LuT: Square Root

12. LuT: Power x

13. LuT: Power 1/x

14. LuT: Equalize

15. LuT: Inverse

16. Exercise 4.4

17. Brightness and Contrast

18. Exercise 4.5

19. Color Models: RGB
Source: Adobe Technical Guides

20. Color Models: HSL (HSI)
Source: Adobe Technical Guides

21. Converting RGB to HSL (HSI)

22. Example: NI Vision Assistant

23. Example: LabVIEW

24. Spatial Image Filtering
Kernel

25. Filter Kernel Impact (Smoothing)97
108 42 58 56 67 73 56 81 50 58 67 75 65 65
New value: 99 50 67 50 16 73 34 34 40
252
255

26. Filter Kernel Impact

27. Exercise 4.7
Kernel Families:
Smoothing
Gaussian
Gradient
Laplacian

28. Smoothing Filter

29. Gaussian Filter

30. Gradient Filter (0)
Prewitt
Kernel

31. Gradient Filter (1)

32. Gradient Filter (4)
Prewitt
Kernel

33. Gradient Filter: Sobel Kernel

34. Laplace Filter (0)

35. Laplace Filter (1)

36. Laplace Filter (6)

37. Laplace Filter (7)

38. Frequency Filtering

39. FFT Spectrum (Image)

40. Exercise 4.8

41. Standard and Optical Display

42. FFT Truncate (Low Pass)

43. Exercise 4.9

44. FFT Truncate (High Pass)

45. FFT Attenuate (Low Pass)

46. FFT Attenuate (High Pass)

47. Morphology Functions

48. Thresholding

49. Erosion

50. Binary Morphology: Structuring Element

51. Structuring Element Configuration1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

52. Exercise 4.13

53. Dilation

54. Opening

55. Closing

56. Proper Opening

57. Proper Closing

58. Hit-Miss Function

59. Hit-Miss Function (2)

60. Inner Gradient (Internal Edge)

61. Outer Gradient (External Edge)

62. Total Gradient

63. Thinning

64. Thickening

65. Auto-Median

66. Outline Gray Values and Look-up Tables (LuTs) Color Spaces and Models
Spatial Filtering
Frequency Filtering
Basic Morphology
Particle Filtering and Parameters
Gray Level Morphology

67. Remove Particle: Low Pass

68. Remove Particle: High Pass

69. Exercise 4.14

70. Reject Border

71. Exercise 4.15

72. Particle Filtering

73. Exercise 4.16

74. Basic Particle Analysis

75. Complex Particle Analysis

76. Particle Parameter

77. Fill Holes

78. Exercise 4.17

79. Convex

80. Exercise 4.18

81. Separation

82. Exercise 4.19

83. Skeleton L

84. Exercise 4.20

85. Skeleton M

86. Skiz Function

87. Outline Gray Values and Look-up Tables (LuTs) Color Spaces and Models
Spatial Filtering
Frequency Filtering
Basic Morphology
Particle Filtering and Parameters
Gray Level Morphology

88. Gray-Level Erosion

89. Exercise 4.21

90. Gray-Level Dilation

91. Square and Hexagon

92. Gray-Level Opening

93. Gray-Level Closing

94. Gray-Level Proper Open

95. Gray-Level Proper Close