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BAFT: Binary Affine Feature Transform

Abstract: 

We introduce BAFT, a fast binary and quasi affine invariant local image feature. It combines the affine invariance of Harris Affine feature descriptors with the speed of binary descriptors such as BRISK and ORB. BAFT derives its speed and precision from sampling local image patches in a pattern that depends on the second moment matrix of the same image patch. This approach results in a fast but discriminative descriptor, especially for image pairs with large perspective changes.

Our evaluation on 40 different image pairs shows that BAFT increases the area under the precision/recall curve (AUC) compared to traditional descriptors for the majority of image pairs. In addition we show that this improvement comes with a very low performance penalty compared to the similar ORB descriptor. The BAFT source code is available for download.

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Paper Details

Authors:
Jonas T. Arnfred, Viet Dung Nguyen, Stefan Winkler
Submitted On:
27 September 2017 - 11:05pm
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Type:
Poster
Event:
Presenter's Name:
Stefan Winkler
Document Year:
2017
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poster.pdf

(34 downloads)

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[1] Jonas T. Arnfred, Viet Dung Nguyen, Stefan Winkler, "BAFT: Binary Affine Feature Transform", IEEE SigPort, 2017. [Online]. Available: http://sigport.org/2249. Accessed: Dec. 16, 2017.
@article{2249-17,
url = {http://sigport.org/2249},
author = {Jonas T. Arnfred; Viet Dung Nguyen; Stefan Winkler },
publisher = {IEEE SigPort},
title = {BAFT: Binary Affine Feature Transform},
year = {2017} }
TY - EJOUR
T1 - BAFT: Binary Affine Feature Transform
AU - Jonas T. Arnfred; Viet Dung Nguyen; Stefan Winkler
PY - 2017
PB - IEEE SigPort
UR - http://sigport.org/2249
ER -
Jonas T. Arnfred, Viet Dung Nguyen, Stefan Winkler. (2017). BAFT: Binary Affine Feature Transform. IEEE SigPort. http://sigport.org/2249
Jonas T. Arnfred, Viet Dung Nguyen, Stefan Winkler, 2017. BAFT: Binary Affine Feature Transform. Available at: http://sigport.org/2249.
Jonas T. Arnfred, Viet Dung Nguyen, Stefan Winkler. (2017). "BAFT: Binary Affine Feature Transform." Web.
1. Jonas T. Arnfred, Viet Dung Nguyen, Stefan Winkler. BAFT: Binary Affine Feature Transform [Internet]. IEEE SigPort; 2017. Available from : http://sigport.org/2249