The following Lince 5M sensor models are available for the VisionCam XM2:
Sensor | Type | eFG_CAMERA_TYPE | Number of pixels | Pixel size | Optical format |
---|---|---|---|---|---|
Lince5M181M | Monochrome | FG_CAMERA_TYPE_2560_2048_IMAGO_VCx_L181M | 2560 x 2048 | 5 µm x 5 µm | 1" |
Lince5M181C | Color | FG_CAMERA_TYPE_2560_2048_IMAGO_VCx_L181C |
The supported pixel formats are listed below:
Sensor | eFG_PIXEL_TYPE | Output format |
---|---|---|
Lince5M181M (Monochrome) | FG_PIXEL_TYPE_Y_8 | 1 byte per pixel |
Lince5M181C (Color) | FG_PIXEL_TYPE_Y_8 | Raw bayer, 1 byte per pixel |
For color sensors, there is no support for demosaicing in hardware. But the function FG_set_gain_rgb() can still be used to adjust the gain for each color component within the raw bayer pixels.
The frame rate can be increased be reducing the AOI size. Use the calculator to obtain the maximum frame rate:
The sensor supports the following special features, see also section Configure special features for additional features:
Property name | Description |
---|---|
Mirror | Flips the image horizontally and / or vertically 0: no flipping (default) 1: flip horizontally 2: flip vertically 3: flip horizontally and vertically (rotation by 180°)
|
FrameRate | Sets the desired sensor frame rate in Hertz. This setting is only applied in free run mode. The actual frame rate may be lower if the exposure time setting is too high, or if the sensor's limit is exceeded. 0: Use maximum frame rate ≥ 1: Desired frame rate in Hertz |
ScanPeriod | Sets the desired sensor frame period in microseconds (similar to "FrameRate"). This setting is only applied in free run mode. The actual frame period may be longer if the exposure time setting is too high, or if the sensor's limit is exceeded. 0: Use maximum frame rate ≥ 1: Desired frame period in µs |
Binning | Binning option 1: No binning 2: 2x2 binning 4: 4x4 binning
|
Choosing a smaller AOI height will increase the maximum frame rate significantly. This makes the sensor also suitable for line scan applications.
A dedicated line scan mode was introduced which provides the following benefits:
A sensor scan height greater than one can be useful to increase the effective line rate. For example, an AOI size of 2048 x 4 allows a scan rate of 28 kHz which results in an effective line rate of 112 kHz.
Line scan mode is enabled by configuring the AOI with FG_set_scan_param() instead of FG_set_aoi(). The parameter image_scan_count
specifies the number of sensor frames that will be concatenated into the larger destination image. A value of 1 disables line scan mode.
Example:
The following example configures a scan AOI of 1024 x 4 at the sensor's center location:
In line scan mode with hardware or software trigger enabled, each trigger event will start acquisition of one sensor frame containing the configured sensor scan height number of lines. The scan height acts like a trigger multiplier for the effective line rate. Multiple trigger events are required before the image is complete and returned to the user.
The RTCC can be used to adapt the the trigger signal to the desired scan rate, see Using hardware trigger mode for examples.