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公开(公告)号：US09117113B2
公开(公告)日：2015-08-25
申请号：US14117593
申请日：2012-05-08
申请人： Tiberiu Popa , Marcel Germann , Richard Keiser , Markus Gross , Remo Ziegler
发明人： Tiberiu Popa , Marcel Germann , Richard Keiser , Markus Gross , Remo Ziegler
CPC分类号： G06K9/00342 , G06K9/00724 , G06T7/73 , G06T2207/10021 , G06T2207/30196 , G06T2207/30228
摘要： Estimating a pose of an articulated 3D object model (4) by a computer is done by •obtaining a sequence of source images (10) and therefrom corresponding source image segments (13) with objects (14) separated from the image background; •matching such a sequence (51) with sequences (52) of reference silhouettes (13′), determining one or more selected sequences of reference silhouettes (13′) forming a best match; •for each of these selected sequences of reference silhouettes (13′), retrieving a reference pose that is associated with one of the reference silhouettes (13′); and •computing an estimate of the pose of the articulated object model (4) from the retrieved reference pose or poses. The result of these steps is an initial pose estimate, which then can be used in further steps, for example, for maintaining local consistency between pose estimates from consecutive frames, and global consistency over a longer sequence of frames.
摘要翻译： 通过计算机估计关节式3D对象模型（4）的姿态是通过以下步骤完成的：通过从图像背景分离的对象（14）获得源图像序列（10）和源自相应源图像片段（13）的序列; •将这样的序列（51）与参考轮廓（13'）的序列（52）匹配，确定形成最佳匹配的一个或多个所选择的参考轮廓序列（13'）; •对于这些所选择的参考轮廓序列（13'）中的每一个，检索与所述参考轮廓（13'）之一相关联的参考姿势; 以及•从检索的参考姿势或姿势计算所述铰接对象模型（4）的姿态的估计。 这些步骤的结果是初始姿态估计，其然后可以用于进一步的步骤，例如，用于维持来自连续帧的姿态估计之间的局部一致性，以及在更长的帧序列上的全局一致性。
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公开(公告)号：US20140219550A1
公开(公告)日：2014-08-07
申请号：US14117593
申请日：2012-05-08
申请人： Tiberiu Popa , Marcel Germann , Richard Keiser , Markus Gross , Remo Ziegler
发明人： Tiberiu Popa , Marcel Germann , Richard Keiser , Markus Gross , Remo Ziegler
CPC分类号： G06K9/00342 , G06K9/00724 , G06T7/73 , G06T2207/10021 , G06T2207/30196 , G06T2207/30228
摘要： Estimating a pose of an articulated 3D object model (4) by a computer is done by •obtaining a sequence of source images (10) and therefrom corresponding source image segments (13) with objects (14) separated from the image background; •matching such a sequence (51) with sequences (52) of reference silhouettes (13′), determining one or more selected sequences of reference silhouettes (13′) forming a best match; •for each of these selected sequences of reference silhouettes (13′), retrieving a reference pose that is associated with one of the reference silhouettes (13′); and •computing an estimate of the pose of the articulated object model (4) from the retrieved reference pose or poses. The result of these steps is an initial pose estimate, which then can be used in further steps, for example, for maintaining local consistency between pose estimates from consecutive frames, and global consistency over a longer sequence of frames.
摘要翻译： 通过计算机估计关节式3D对象模型（4）的姿态是通过以下步骤完成的：通过从图像背景分离的对象（14）获得源图像序列（10）和源自相应源图像片段（13）的序列; •将这样的序列（51）与参考轮廓（13'）的序列（52）匹配，确定形成最佳匹配的一个或多个所选择的参考轮廓序列（13'）; •对于这些所选择的参考轮廓序列（13'）中的每一个，检索与所述参考轮廓（13'）之一相关联的参考姿势; 以及•从检索的参考姿势或姿势计算所述铰接对象模型（4）的姿态的估计。 这些步骤的结果是初始姿态估计，其然后可以用于进一步的步骤，例如，用于维持来自连续帧的姿态估计之间的局部一致性，以及在更长的帧序列上的全局一致性。
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公开(公告)号：US08926931B2
公开(公告)日：2015-01-06
申请号：US13566492
申请日：2012-08-03
申请人： Maohong Fan , Morris Argyle , Tiberiu Popa
发明人： Maohong Fan , Morris Argyle , Tiberiu Popa
CPC分类号： C10J3/00 , C10J2300/0906 , C10J2300/093 , C10J2300/0976 , C10J2300/0986 , Y02E20/18
摘要： The present invention generally relates to a catalytic gasification of coal. Catalytic gasification of a Wyodak low-sulfur sub-bituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive sodium carbonate catalyst applied via incipient wetness impregnation. Experiments in an atmospheric pressure fixed-bed laboratory gasifier were performed to evaluate the effects of reaction temperature, feed gas steam content, and Na2CO3 loading on the catalytic gasification of the Wyodak coal. The temperature range investigated (700-900° C.) was selected with consideration of the Na2CO3 melting point (850° C.) to reduce the loss by volatilization of sodium. Sodium was found to be active during both pyrolysis and gasification steps. The catalyst was most cost-effective at addition levels of approximately 3 wt %. The random pore model provided a good fit to the conversion versus time data collected under both the catalytic and the uncatalytic conditions.
摘要翻译： 本发明一般涉及煤的催化气化。 使用廉价的碳酸钠催化剂，通过初始湿度浸渍法研究了怀俄明州粉河流域Wyodak低硫次烟煤的催化气化。 进行大气压固定床实验室气化炉的实验，以评估反应温度，进料气体蒸汽含量和Na2CO3负载对Wyodak煤的催化气化的影响。 考虑到Na 2 CO 3熔点（850℃）来选择所研究的温度范围（700-900℃）以减少钠的挥发损失。 发现在热解和气化步骤期间钠都具有活性。 催化剂在添加量约3重量％时是最具成本效益的。 随机孔模型提供了在催化和非催化条件下收集的转化对时间数据的良好拟合。
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公开(公告)号：US20130032761A1
公开(公告)日：2013-02-07
申请号：US13566492
申请日：2012-08-03
申请人： Maohong Fan , Morris Argyle Provo , Tiberiu Popa
发明人： Maohong Fan , Morris Argyle Provo , Tiberiu Popa
CPC分类号： C10J3/00 , C10J2300/0906 , C10J2300/093 , C10J2300/0976 , C10J2300/0986 , Y02E20/18
摘要： The present invention generally relates to a catalytic gasification of coal. Catalytic gasification of a Wyodak low-sulfur sub-bituminous coal from the Powder River Basin of Wyoming was investigated using an inexpensive sodium carbonate catalyst applied via incipient wetness impregnation. Experiments in an atmospheric pressure fixed-bed laboratory gasifier were performed to evaluate the effects of reaction temperature, feed gas steam content, and Na2CO3 loading on the catalytic gasification of the Wyodak coal. The temperature range investigated (700-900° C.) was selected with consideration of the Na2CO3 melting point (850° C.) to reduce the loss by volatilization of sodium. Sodium was found to be active during both pyrolysis and gasification steps. The catalyst was most cost-effective at addition levels of approximately 3 wt %. The random pore model provided a good fit to the conversion versus time data collected under both the catalytic and the uncatalytic conditions.
摘要翻译： 本发明一般涉及煤的催化气化。 使用廉价的碳酸钠催化剂，通过初始湿度浸渍法研究了怀俄明州粉河流域Wyodak低硫次烟煤的催化气化。 进行大气压固定床实验室气化炉的实验，以评估反应温度，进料气体蒸汽含量和Na2CO3负载对Wyodak煤催化气化的影响。 考虑到Na 2 CO 3熔点（850℃）来选择所研究的温度范围（700-900℃）以减少钠的挥发损失。 发现在热解和气化步骤期间钠都具有活性。 催化剂在添加量约3重量％时是最具成本效益的。 随机孔模型提供了在催化和非催化条件下收集的转化对时间数据的良好拟合。
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