Home FAQ Player Stage Gazebo Contrib Documentation Publications Contributors Users Project Download Bugs/Feedback Mailing lists Radish Old news Old stuff

upcbarcode [Drivers] The upcbarcode driver searches for standard, single-digit UPC barcodes in a camera image (a sample barcode is shown below) Sample UPC barcode (one digit) Compile-time dependencies OpenCV Provides blobfinder : outputs blob information on detected barcodes camera : passes through image data from underlying camera device (optional) Requires camera Configuration requests none Configuration file options edgeThresh (float) Default: 20 Edge threshold bit_width (length) Default: 0.08 m Width of a single bit bit_count (integer) Default: 3 Number of bits per digit guardMin (integer) Default: 3 Minimum height of bit (pixels) guardTol (length) Default: 0.2 m Height tolerance for bit (ratio) digit_errFirst (float) Default: 0.5 Error threshold on the best bit digit_errSecond (float) Default: 1.0 Error threshold on the second-best bit Example driver ( name "upcbarcode" provides ["blobfinder:0"] requires ["camera:0"] ) Authors Andrew Howard