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- These images were created using a 3-D LASAR camera. (LASAR is a Perceptron
- trade mark that stands for laser radar.) The camera scans the scene with an
- laser beam and directly measures the distance to each pixel. For you engineers,
- it does it by amplitude modulating the laser beam with a high frequency sine
- wave. The phase difference between the output and the returning signal is
- measured to determine the distance. For more information, contact:
-
- Perceptron, Inc.
- 23855 Research Drive
- Farmington Hills, MI 48335
- (313)478-7710, FAX 478-7059
-
- The scanner produces two images, the distance, or range image, and the
- intensity image. Each is twelve bits per pixel, so the values are 0..4095.
- However, in order to make it easier to see the images, the contrast has been
- enhanced by reducing the depth of field. The most interesting range slice is
- converted to eight bit pixels, with gray levels 0..255. This affects the
- scale factor for the range data. Each image has a different scale factor.
-
- Each file name ends in either "I" for the intensity image, or "R" for the
- range image. The one exception is BIN_FILT, which is a median filtered range
- image.
-
- BIN: This is a bin full of manifold castings. A robot picks the castings
- from the bin.
-
- FLOWERS: This is a deliberately confusing image, showing flowers in front
- of pictures of flowers. The camaflage works in the intensity image,
- but not in the range image.
-
- HUMAN: This is a scan of a human body.
-
- DOOR: This is part of a plastic automobile door panel.
-
- ROOM: This is a very large field of view, low resolution image.
-
- POTHOLE: A problem in the parking lot.
-
-