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LVC0702 Lidar Video Camera

Product Benefits

The advantages of lidar as a means of getting 3D information have been known for some time.  However, the low rate of measurement of existing lidars has hampered their application in rapidly changing environments.  The LVC0702 overcomes this limitation, measuring 50 times faster than its competitors.  This has allowed us to build in a 2D scanning mechanism so that the LVC0702 can deliver full 3D images at up to 10 frames/second.

Product Features

3D images over the full field of view of the lidar delivered at up to 10 frames/second.

15 bit resolution on reflectivity, providing accurate greyscale images registered to the range data.

Range finding by the Z+F rangefinder, which has been optimized over 20 years of continuous product improvement.

Proven ability to deliver well engineered systems to a variety of customers including US government departments.

Customization of field of view and frame rate possible.

Specifications

Performance

Below are some videos showing the performance of the LVC0702.  The first set of videos show high-resolution data taken with the LVC0702 mounted on a moving truck.  The first video shows the reflectivity data, while the second shows range converted to color, with red identifying close objects and blue identifying far objects.  Note that this is not a "fly through" of post processed data points.  Other than being speeded up to run at normal mpg frame rate, this is the live data produced by the camera which would be seen by the operator as the data was captured:

Driving Reflectivity 1, Driving Range 1.

The next video shows the result of combining approximately 30 frames of high-resolution lidar data from the sequence shown above into a "point cloud" of 3D data points.  The video shows a fly through of the combined data set of around 10 million 3D points.  Since it is a large file, it has been zipped to make downloading faster, so save this file to your hard drive and unzip it before viewing:

Combined Data Set Flythrough.

The next set of videos shows another set of data taken on a moving truck, this time with 480 x 144 pixel resolution at 5Hz.  Again the first video shows the reflectivity data as captured, while the second shows range encoded as rgb color:

Driving Reflectivity 2, Driving Range 2.

The next set of videos show the lidar in a fixed position scanning a scene with moving objects.  The first movie shows reflectivity data captured while a subject walks away  from the camera to a range of ~50m, and then back again.  The second video shows the range data, displayed as rgb color.  As well as the movement of the subject, the trees blowing in the wind are also clearly visible:

Walking Reflectivity, Walking Range.

The next set of videos illustrates the amount of 3D data obtainable from the camera in a short time.  Both videos show a single frame of high resolution data, captured in less than a second.  The first video shows a fly through of the 3D data obtained from a house under construction, while the second shows the 3D data from a garage.  Both these videos are large so they have been zipped to make downloading faster, save them to your hard drive and unzip them before viewing:

House, Garage.

The next two sets of videos show the results of using the LVC0702 as a high performance line scanner.  The camera can be converted to this mode from the back panel of the instrument, or by issuing commands remotely from a PC connected to the LVC0702.  One of the moving mirrors then parks itself in a fixed position, and the camera becomes a very high speed linescanner capable of up to 800 scan lines / second.

The first line scan video shows the results of mounting the LVC0702 to scan a road side at approximately 20mph.  Scanning at 400 lines/second, the separation of the line scans along the direction of travel is less than an inch. The video shows a fly through of about 15 million 3D data points captured in approximately 40 seconds of driving.  This is a large video that has been zipped to make downloading faster, save it to your hard drive and unzip it before viewing:

20MPH Side Scan

The final set of videos shows another application for the LVC0702 in line scan mode.  The videos below show what can be achieved using the LVC0702 as a line scanner facing downwards to examine a runway for foreign objects.  The data was processed in real time using a proprietary algorithm to highlight changes in both the reflectivity of, and the range to, the runway.  In this way foreign objects on the runway could be picked out.  The first video shows a scan taken when no foreign objects were present, the second shows a scan taken with foreign objects.  A system of this type could be used, for example, to detect foreign objects on runways which might otherwise be sucked into aircraft engines:

Runway Without Obstacles, Runway With Obstacles.

Sample Data

Sample data can be found on our downloads page.

Next Steps

For more information, please contact us, or click here to download a Lidar Scanner brochure.

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Copyright © 2004 - 2006 Autonosys Inc
Last modified: March 25, 2008