Image Acquisitionand Proces

5.6.6 Equalization......................................................................................122
5.7 User Solution: QuickTime for LabVIEW ...................................................125
5.7.1 QuickTime Integration to LabVIEW...............................................125
5.7.1.1 QTLib: The QuickTime Library.......................................126
5.7.1.2 Single Image Reading and Writing..................................126
5.7.1.3 Reading Movies ................................................................126
5.7.1.4 Writing Movies.................................................................127
5.7.1.5 Video Grabbing (Figure 5.61) ..........................................127
5.7.1.6 Image Transformation Functions......................................128
5.7.1.7 Future Versions of QTLib.................................................129
5.7.1.8 For More Information.......................................................129
5.8 Filters............................................................................................................130
5.8.1 Using Filters.....................................................................................131
5.8.2 Predefined Filters .............................................................................132
5.8.2.1 Gaussian............................................................................132
5.8.2.2 Gradient.............................................................................133
5.8.2.3 Laplacian...........................................................................135
5.8.2.4 Smoothing.........................................................................137
5.8.3 Creating Your Own Filter.................................................................137
Chapter 6
Morphology......................................................................................141
6.1 Simple Morphology Theory.........................................................................141
6.1.1 Dilation.............................................................................................141
6.1.2 Erosion .............................................................................................142
6.1.3 Closing .............................................................................................142
6.1.4 Opening ............................................................................................143
6.1.5 Nonbinary Morphology....................................................................143
6.2 Practical Morphology...................................................................................144
6.3 The Structuring Element..............................................................................145
6.4 Specific Morphological Functions...............................................................146
6.4.1 Particle Removal ..............................................................................146
6.4.2 Filling Particle Holes .......................................................................147
6.4.3 Distance Contouring ........................................................................148
6.4.3.1 IMAQ Distance.................................................................148
6.4.3.2 IMAQ Danielsson .............................................................150
6.4.4 Border Rejection ..............................................................................151
6.4.5 Finding and Classifying Circular Objects .......................................153
6.4.6 Particle Separation ...........................................................................156
6.5 Case Study: Find and Classify Irregular Objects........................................157
6.6 User Solution: Digital Imaging and Communications
in Medicine (DICOM) for LabVIEW .........................................................159
6.6.1 The Hardware...................................................................................160
6.6.2 The Software ....................................................................................160
6.6.3 Summary ..........................................................................................163
6.6.4 Acknowledgments ............................................................................163