CONTENTS vii
20 Use cases 162
20.1 GenICam to mvIMPACT Acquire code generator . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
20.1.1 Using the code generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
20.1.2 Using the result of the code generator in an application . . . . . . . . . . . . . . . . . . . 164
20.2 Introducing acquisition / recording possibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
20.2.1 Acquiring a number of images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
20.2.2 Recording sequences in the camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
20.2.3 Recording sequences with pre-trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
20.2.4 Creating acquisition sequences (Sequencer Control) . . . . . . . . . . . . . . . . . . . . 169
20.2.5 Working with multiple AOIs (mv Multi Area Mode) . . . . . . . . . . . . . . . . . . . . . . 177
20.2.6 Working with burst mode buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
20.2.7 Using VLC Media Player . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
20.2.8 Using the linescan mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
20.2.9 Working with Event Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
20.3 Improving the acquisition / image quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
20.3.1 Correcting image errors of a sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
20.3.2 Optimizing the color fidelity of the camera . . . . . . . . . . . . . . . . . . . . . . . . . . 202
20.3.3 Reducing noise by frame averaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
20.3.4 Setting a flicker-free auto expose and auto gain . . . . . . . . . . . . . . . . . . . . . . . 219
20.3.5 Working with binning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
20.3.6 Minimizing sensor pattern of mvBlueFOX3-1100G . . . . . . . . . . . . . . . . . . . . . . 225
20.4 Working with triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
20.4.1 Getting a trigger with an incremental encoder . . . . . . . . . . . . . . . . . . . . . . . . 227
20.4.2 Generating a pulse width modulation (PWM) . . . . . . . . . . . . . . . . . . . . . . . . . 229
20.4.3 Outputting a pulse at every other external trigger . . . . . . . . . . . . . . . . . . . . . . 232
20.4.4 Creating different exposure times for consecutive images . . . . . . . . . . . . . . . . . . 233
20.4.5 Detecting overtriggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
20.4.6 Triggering of an indefinite sequence with precise starting time . . . . . . . . . . . . . . . . 241
20.5 Working with I/Os . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
20.5.1 Controlling strobe or flash at the outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
MATRIX VISION GmbH
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