Methods and devices for estimating weight of an object to be inspected in an inspection system

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United States of America Patent

PATENT NO 10379252
APP PUB NO 20170023697A1
SERIAL NO

15217787

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Abstract

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Disclosed is a method and device for estimating weight of an object to be inspected in an inspection system. An effective atomic number and a high-energy gray value of the dual-energy corresponding to each pixel of the object to be inspected are obtained by a dual-energy radiation scanning. A mass-thickness value for a corresponding pixel is obtained from a pre-created mass-thickness attenuation curve by utilizing the effective atomic numbers and the high-energy gray value of the dual-energy for respective pixels. Weight information for at least a part of the object to be inspected is calculated by multiplying the mass-thickness value by the area of the pixel. Such a method may accurately calculate the weight of the object to be inspected and save the cost for a conventional weighing hardware.

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Patent Owner(s)

  • 501 TSINGHUA UNIVERSITY; NUCTECH COMPANY LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Zhiqiang Beijing, CN 400 2407
Gu, Jianping Beijing, CN 55 217
Li, Yuanjing Beijing, CN 271 1883
Liu, Yaohong Beijing, CN 106 542
Zhang, Li Beijing, CN 2407 31689
Zhao, Ziran Beijing, CN 240 1212
Zheng, Juan Beijing, CN 98 374
Zong, Chunguang Beijing, CN 29 23

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