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Real Time Radioscopy and digital image processing techniques for on line inspection of welds in boiler tubes

R. J. Pardikar,
Dy. General Manager/NDTL
BHEL, Tiruchirappalli-14
Tamil Nadu PIN 620014
INDIA.
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ABSTRACT

INTRODUCTION:

STRAIGHT TUBE BUTT WELDING:

DEFECTS IN STBW:

TESTING:

REAL TIME RADIOSCOPY (RTR):

IMAGE INTENSIFIER TUBE SYSTEMS:

IMAGE QUALITY:

IMAGE SHARPNESS:

IMAGE CONTRAST:

IMAGE NOISE:

IMAGE QUALITY REQUIREMENT IN RTR SYSTEM:

IMAGE PROCESSING:

IMAGE DATA ANALYSIS:

REAL TIME X-RAY IMAGING SYSTEM FOR BOILER TUBES:

TUBE HANDLING SYSTEM:

IMAGE INTENSIFIER:

IMAGE PROCESSING SOFTWARE:

HARDWARE:

CONCLUSION:

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