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1. 发明专利

CA3008506C AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 未知
公开(公告)号：CA3008506C
公开(公告)日：2020-09-15
申请号：CA3008506
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
IPC分类号： G06T5/00 , G01C11/00 , G06T3/40 , G06T11/60
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.

2. 发明专利

CA3008521C AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 未知
公开(公告)号：CA3008521C
公开(公告)日：2021-11-09
申请号：CA3008521
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
IPC分类号： G06T11/60 , G06T3/40
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.

3. 发明专利

CA3008506A1 AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 未知
公开(公告)号：CA3008506A1
公开(公告)日：2014-10-16
申请号：CA3008506
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
IPC分类号： G06T5/00 , G01C11/00 , G06T3/40 , G06T11/60
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.

4. 发明专利

CA2907192A1 AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 未知
公开(公告)号：CA2907192A1
公开(公告)日：2014-10-16
申请号：CA2907192
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
IPC分类号： G06T1/00 , G06T3/40
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.

5. 发明专利

CA2907192C AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 未知
公开(公告)号：CA2907192C
公开(公告)日：2021-12-28
申请号：CA2907192
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： SMITH JAMES T , PADWICK CHRISTOPHER G , WALLERIUS JOHN W
IPC分类号： G06T1/00 , G06T3/40
摘要： A number of embodiments that accommodate automatic generation of a mosaic comprising a plurality of geospatial images are disclosed. As opposed to mosaic generation by a human operator manually reviewing and manually selecting images to define a mosaic, which is time consuming, costly, and involves human subjectivity which could result in radiometric distortions in the image, an embodiment of the automatic mosaic generation includes automated source image selection that in turn includes comparison of source images to a common base layer image to determine radiometrically-similar similar source images. The comparison between the source images and the base layer may be performed using an algorithmic approach, such that selection of source images may be performed in an at least partially computer-automated manner.

6. 发明专利

CA3008521A1 AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 未知
公开(公告)号：CA3008521A1
公开(公告)日：2014-10-16
申请号：CA3008521
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
IPC分类号： G06T11/60 , G06T3/40
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.

7. 发明申请

WO2014168731A2 AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 审中-公开
标题翻译：自动地磁图像MOSAIC生成
公开(公告)号：WO2014168731A2
公开(公告)日：2014-10-16
申请号：PCT/US2014029126
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
CPC分类号： G06T3/4038 , G06K9/00476 , G06T7/30 , G06T11/00 , G06T2200/32 , G06T2207/10032 , G06T2207/30181 , G09G5/377
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.
摘要翻译：自动生成包含多个地理空间图像的马赛克。自动马赛克生成的实施例可以包括自动源图像选择，其包括源图像与基层图像的比较以确定辐射相似的源图像。此外，可以提供自动切割线发生器的实施例以在合并两个图像时自动确定切割线，使得沿着切割线的图像之间的辐射度差减小。在这方面，可以提供较少可察觉的切割线。此外，可以提供放射线归一化模块的实施例，其可以确定对源图像的辐射度调整以匹配基本层图像的某些特性。在一些实施例中，当处理源图像时，可以在处理的一部分期间对源图像进行下采样，以减少计算开销。另外，一些高度并行的计算可以由GPU执行以进一步增强性能。

8. 发明公开

EP2973384A4 AUTOMATED GEOSPATIAL IMAGE MOSAIC GENERATION 有权转让
标题翻译： AUTOMATISIERTE MOSAIKGENERIERUNGFÜRGEOSPATIALE BILDER
公开(公告)号：EP2973384A4
公开(公告)日：2017-01-18
申请号：EP14783302
申请日：2014-03-14
申请人： DIGITALGLOBE INC
发明人： PADWICK CHRISTOPHER G , WALLERIUS JOHN W , SMITH JAMES T
IPC分类号： G06T1/00 , G06T3/40
CPC分类号： G06T3/4038 , G06K9/00476 , G06T7/30 , G06T11/00 , G06T2200/32 , G06T2207/10032 , G06T2207/30181 , G09G5/377
摘要： Automatic generation of a mosaic comprising a plurality of geospatial images. An embodiment of the automatic mosaic generation may include automated source image selection that includes comparison of source images to base layer image to determine radiometric similar source images. Additionally, an embodiment of an automatic cutline generator may be provided to automatically determine a cutline when merging two images such that radiometric differences between the images along the cutline are reduced. In this regard, less perceivable cutlines may be provided. Further still, an embodiment of a radiometric normalization module may be provided that may determine radiometric adjustments to source images to match certain properties of the base layer image. In some embodiments, when processing source images, the source images may be downsampled during a portion of the processing to reduce computational overhead. Additionally, some highly parallel computations may be performed by a GPU to further enhance performance.
摘要翻译：自动生成包含多个地理空间图像的马赛克。自动马赛克生成的实施例可以包括自动源图像选择，其包括源图像与基层图像的比较以确定辐射相似的源图像。此外，可以提供自动切割线发生器的实施例以在合并两个图像时自动确定切割线，使得沿着切割线的图像之间的辐射度差减小。在这方面，可以提供较少可感知的切割线。此外，可以提供放射线归一化模块的实施例，其可以确定对源图像的辐射度调整以匹配基本层图像的某些特性。在一些实施例中，当处理源图像时，可以在处理的一部分期间对源图像进行下采样，以减少计算开销。另外，GPU可以执行一些高度并行的计算，以进一步提高性能。

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