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钟尚武
dlib
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7a8dcf2f
Commit
7a8dcf2f
authored
Aug 10, 2011
by
Davis King
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Clarified spec.
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46eb8d1c
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hog_abstract.h
dlib/image_keypoint/hog_abstract.h
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dlib/image_keypoint/hog_abstract.h
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7a8dcf2f
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@@ -197,12 +197,11 @@ namespace dlib
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@@ -197,12 +197,11 @@ namespace dlib
ensures
ensures
- Each local feature is extracted from a certain point in the input image.
- Each local feature is extracted from a certain point in the input image.
This function returns the identity of the local feature corresponding
This function returns the identity of the local feature corresponding
to any particular image location p. Or in other words,
to the image location p. Or in other words, let P == image_to_feat_space(p),
let P == image_to_feat_space(p), then (*this)(P.y(),P.x()) == the local
then (*this)(P.y(),P.x()) == the local feature closest to, or centered at,
feature closest to, or centered at, the point p in the input image. Note
the point p in the input image. Note that some image points might not have
that some image points might not have corresponding feature locations.
corresponding feature locations. E.g. border points or points outside the
E.g. border points or points outside the image. In these cases the returned
image. In these cases the returned point will be outside get_rect(*this).
point will be outside get_rect(*this).
!*/
!*/
const
rectangle
image_to_feat_space
(
const
rectangle
image_to_feat_space
(
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