公开(公告)号：WO1991008552A1

公开(公告)日：1991-06-13

申请号：PCT/US1990006956

申请日：1990-12-04

Applicant: E.I. DU PONT DE NEMOURS AND COMPANY

Inventor： E.I. DU PONT DE NEMOURS AND COMPANY ,  JANSSON, Peter, Allan ,  FRALINGER, John, Henry

IPC: G06K09/28

CPC classification number: H04N5/253 ,  H04N5/217 ,  H04N5/2173

Abstract: A signal representative of the total incident flux on each area element (12-i) of a target plane (12) is generated. Each area element corresponds to a portion of the object (10) from which the flux emanates. Each total incident flux signal is corrected to eliminate therefrom the effects of flux incident on the corresponding area element due to scattering (24S1, 24S2, 28S1, 28S2), thereby to generate a signal representative of the flux incident on that area element emanating only from the portion of the object corresponding to that area element. The total incident flux signal is corrected by weighting (m) each total incident flux signal in accordance with a predetermined weighting factor W(x, y), and summing the weighted signal representative of the total flux incident on an area element with a weighted total incident flux signal from each of the other area elements.

公开(公告)号：WO2004034311A1

公开(公告)日：2004-04-22

申请号：PCT/US2002/032712

申请日：2002-10-11

Applicant: E.I. DU PONT DE NEMOURS AND COMPANY

Inventor： JANSSON, Peter, Allan

IPC: G06K9/40

CPC classification number: G06K9/40 ,  G06T5/003 ,  G06T5/20 ,  G06T2207/10008 ,  G06T2207/20012 ,  G06T2207/20016 ,  G06T2207/20021

Abstract: The present invention is directed toward correcting a corrupted image of an object to remove the effects of smearing or misdirected flux in the image, wherein the image comprises one or more dimensions and has a plurality of image elements. The method of the present invention comprises the steps of: a) sampling portions of the image (11A) of the object at unequal intervals, the intervals being selected to effect an implicit weighting of the samples corresponding to a predetermined weighting function; b) summing the implicitly weighted samples to create an approximation to a weighted integral; c) repeating steps a) - b) to compute weighted integrals associated with each of the plurality of image elements thereby to obtain a correction (11B) to the image. The present invention is also implemented as a computer readable medium for controlling a computer to implement the steps of the method and in apparatus form.

Abstract translation: 本发明旨在校正物体的损坏图像以消除图像中拖尾或误导通量的影响，其中图像包括一个或多个维度并且具有多个图像元素。 本发明的方法包括以下步骤：a）以不等间隔对对象的图像（11A）的部分进行采样，选择间隔以对与预定加权函数相对应的样本进行隐式加权; b）对隐含加权样本求和以产生加权积分的近似值; c）重复步骤a）-b）以计算与所述多个图像元素中的每一个相关联的加权积分，从而获得对所述图像的校正（11B）。 本发明还被实现为用于控制计算机以实现该方法和装置形式的步骤的计算机可读介质。

公开(公告)号：WO1994015197A1

公开(公告)日：1994-07-07

申请号：PCT/US1993012293

申请日：1993-12-21

Applicant: E.I. DU PONT DE NEMOURS AND COMPANY

Inventor： E.I. DU PONT DE NEMOURS AND COMPANY ,  WEEKS, Gregory, Paul ,  VAIDYANATHAN, Akhileswar, Ganesh ,  MERRILL, Michael, James ,  RUBIN, Barry ,  JANSSON, Peter, Allan

IPC: G01N21/88

CPC classification number: G06T7/0004 ,  B29C70/28 ,  B29K2301/12 ,  B29K2309/08 ,  B29K2709/08 ,  D21H13/40 ,  D21H15/06 ,  G06T7/12 ,  G06T2207/10132 ,  G06T2207/30108 ,  G06T2207/30124

Abstract: A method for determining the quality of dispersion of glass fibers in a thermoplastic resin preform layer compares the mean characteristic length of the glass fiber bundles in the preform layer to a predetermined value indicative of dispersion of the glass fibers. The thermoplastic resin preform layer characterized by this method comprises a plurality of individual glass fibers and some degree of undispersed glass fiber bundles intimately mixed with a plurality of discrete thermoplastic fibers. The glass fibers are introduced to the mixture having a length of about 1 cm to about 8 cm. After mixing, some of the glass fiber bundles break up, and some residual glass fiber bundles remain. A preform layer which has acceptable dispersion has residual glass fiber bundles having a mean apparent length of less than about 1.365 mm.

Abstract translation: 用于确定热塑性树脂预成型体层中的玻璃纤维的分散质量的方法将预成型体层中的玻璃纤维束的平均特征长度与表示玻璃纤维的分散性的预定值进行比较。 以该方法为特征的热塑性树脂预成型体层包括多个单独的玻璃纤维和与多个分立的热塑性纤维紧密混合的一定程度的未分散的玻璃纤维束。 将玻璃纤维引入具有约1cm至约8cm的长度的混合物中。 混合后，一些玻璃纤维束分解，残留玻璃纤维束。 具有可接受的分散体的预成型体层具有平均视野长度小于约1.365mm的残余玻璃纤维束。