5. Mobility Technologies Co., Ltd.
Detection, Description, and Feature Matching
5
① Detection: Extract local regions
(patches) from images
② Description: Describe the patches
by d-dimensional vectors
③ Matching: Make correspondences
between similar patches
Position (x, y)
Orientation θ
Scale σ
Feature vector f
(e.g., 128-dim SIFT)
Local feature
23. Mobility Technologies Co., Ltd.
pose error is the maximum of the angular errors in rotation
and translation
Wide-baseline indoor pose estimation
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