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James morgenstern


Last seen: 20 days 前 |  自 2012 起处于活动状态

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统计学

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Extract image statistics using a mask
I can establish a mask [(polygon shaped) ROI] to define a set of pixels in an (multiband) image. How do i extract statistics ...

12 years 前 | 0 个回答 | 0

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pixel dimension
You need to 'Resample' one or both images to match resolution. Then you need to make them the same size in order to register th...

12 years 前 | 0

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Combine video frames to calculate average motion of a plume
it can be dangerous to simply sum the images. does not account for any drift in the centroid of the plume! you need a process ...

12 years 前 | 0

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Combine video frames to calculate average motion of a plume
you need to process each image separately. i would segment the plume from the background. Now extract geometric measures from ...

12 years 前 | 0