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Ultrasonic computerized tomography (CT) is becoming more important than C-scans in nondestructive inspection due to its rapid scanning ability. However, ultrasonic CT poses challenges due to ray-bending in anisotropic media. This paper proposes an improved ray-tracing algorithm. Based on this algorithm, a bend-ray multiplicative algebraic reconstruction(More)
We present the design and implementation of XEBRA system. XEBRA is an integrated programming environment for XML processing and browsing on which users can build their own XML processing applications. XEBRA has a lisp interpreter as its main control system. The lisp interpreter provides programming interface for users. It also provides XML manipulation(More)
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