BR0313852A - Sistema de projetar imagens formadas de artigo - Google Patents

Sistema de projetar imagens formadas de artigo

Info

Publication number
BR0313852A
BR0313852A BR0313852-6A BR0313852A BR0313852A BR 0313852 A BR0313852 A BR 0313852A BR 0313852 A BR0313852 A BR 0313852A BR 0313852 A BR0313852 A BR 0313852A
Authority
BR
Brazil
Prior art keywords
ray
ray tube
tubes
distance
sensor
Prior art date
Application number
BR0313852-6A
Other languages
English (en)
Inventor
Kenneth R Fernandez
Original Assignee
Nasa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nasa filed Critical Nasa
Publication of BR0313852A publication Critical patent/BR0313852A/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G01V5/228Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using stereoscopic means

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • General Factory Administration (AREA)

Abstract

"SISTEMA DE PROJETAR IMAGENS FORMADAS DE ARTIGO". Caracterizado por ser um sistema de formação de imagem com base no raio X que proporciona imagens tri-dimensionais estereoscópicas de objetos que se movem da esquerda para a direita em um trajeto abaixo de dois tubos emissores de raio X, o sistema incluindo tubos de raio X esquerdo e direito alinhados em uma linha comum no mesmo plano acima do trajeto; sensores de raio X esquerdo e direito dispostos abaixo do trajeto em alinhamento com tubos de raio X para detectar raios X emitidos pelos tubos, um suporte de tubo de raio X esquerdo adaptado para compelir o tubo de raio X esquerdo em uma posição, uma distância conhecida a partir de um alvo e a uma conhecida perspectiva, a perspectiva sendo um ângulo formado pela linha comum e uma linha para o alvo, permitindo o tubo de raio X emitir um feixe de raio X colimado em um ângulo que e um ponto de vista esquerdo; meio de computadorizar para determinar um ângulo em perspectiva direita, usando a distância do tubo de raio X esquerdo até o alvo, a distância do tubo de raio X esquerdo até um ponto imaginário e a distância do ponto imaginário até o alvo, o ponto imaginário sendo um ponto que está dentro da faixa estereoscópica na linha comum entre os tubos, o ângulo em perspectiva direita sendo um ponto de vista de uma perspectiva ligeiramente diferente que conduz a um estéreo-par; um suporte de tubo de raio X direito adaptado para reter o tubo de raio X direito na linha comum em sua orientação angular para reter seu ângulo em perspectiva direita determinado, porém espaçado distante do tubo de raio X esquerdo, uma distância real ou estéreo base maior do que a estéreo base normal para eliminar a interferência de exposição cruzada enquanto ainda obtendo exposições de raio X de duas ligeiramente diferentes perspectivas; meio que opera as fontes de raio X continuamente; um discriminador adaptado às imagens radiográficas de amostra detectadas pelo sensor esquerdo e para distinguir separados objetos que passam sobre o sensor; um processador adaptado para armazenar separadamente o dado radiográfico para cada objeto detectado pelo sensor esquerdo; um codificador adaptado para detectar as posições do transportador de cada objeto, para combinar o dado radiográfico armazenado do sensor esquerdo com correspondente dado radiográfico detectado pelo sensor direito e para combinar o dado radiográfico esquerdo e direito para formar o estéreo par para visualização tri-dimensional.
BR0313852-6A 2002-08-30 2003-08-29 Sistema de projetar imagens formadas de artigo BR0313852A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/232,937 US6763083B2 (en) 2002-08-30 2002-08-30 Article screening system
PCT/US2003/026841 WO2004021122A2 (en) 2002-08-30 2003-08-29 Article screening system

Publications (1)

Publication Number Publication Date
BR0313852A true BR0313852A (pt) 2005-07-05

Family

ID=31977111

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0313852-6A BR0313852A (pt) 2002-08-30 2003-08-29 Sistema de projetar imagens formadas de artigo

Country Status (10)

Country Link
US (1) US6763083B2 (pt)
EP (1) EP1535132A4 (pt)
JP (2) JP4241618B2 (pt)
AU (1) AU2003262912B2 (pt)
BR (1) BR0313852A (pt)
CA (1) CA2495778C (pt)
IL (1) IL166986A (pt)
MX (1) MXPA05002320A (pt)
TR (1) TR200500635T1 (pt)
WO (1) WO2004021122A2 (pt)

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Also Published As

Publication number Publication date
EP1535132A4 (en) 2007-04-25
EP1535132A2 (en) 2005-06-01
AU2003262912A1 (en) 2004-03-19
US6763083B2 (en) 2004-07-13
WO2004021122A3 (en) 2004-06-24
CA2495778A1 (en) 2004-03-11
TR200500635T1 (tr) 2005-09-21
JP4241618B2 (ja) 2009-03-18
JP2008241725A (ja) 2008-10-09
JP2005537468A (ja) 2005-12-08
IL166986A (en) 2010-06-30
US20040062346A1 (en) 2004-04-01
WO2004021122A2 (en) 2004-03-11
CA2495778C (en) 2008-04-01
AU2003262912B2 (en) 2007-08-30
MXPA05002320A (es) 2005-09-12

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Legal Events

Date Code Title Description
B15I Others concerning applications: loss of priority

Free format text: PERDA DA PRIORIDADE REIVINDICADA (US 10/232,937) POR NAO ATENDER A DISPOSICAO PREVISTA NO ART. 16 2O, 3O E 7O DA LPI.

B12F Other appeals [chapter 12.6 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H05G 1/61

Ipc: G01V 5/00 (2006.01), G03C 9/00 (2006.01), G03C 9/0

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM ART. 8O COMBINADO COM ART. 13 DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.