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# ANMS Codes | ||
Tested with OpenCV 2.4.8 and Ubuntu 14.04. | ||
# Efficient adaptive non-maximal suppression algorithms for homogeneous spatial keypoint distribution | ||
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This is the implemetation of the paper *"Efficient adaptive non-maximal suppression algorithms for homogeneous spatial keypoint distribution"* that is currently under review in Pattern Recognition Letters (PRL). | ||
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![Algorithm Overview](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/algorithm_overview.png?raw=true?raw=true "Algorithm Overview") | ||
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While competing ANMS methods have similar performance in terms of spatial keypoints distribution, the proposed method SSC is substantially faster and scales better: | ||
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| ![Retrieve 10%](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/Time10.png?raw=true "Retrieve 10%") | | ||
![Retrieve 40%](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/Time40.png?raw=true "Retrieve 40%") | | ||
![Retrieve 70%](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/Time70.png?raw=true "Retrieve 70%") | | ||
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Here is how proposed ANMS method visually compares to traditional methods: TopM | Bucketing | SSC (proposed) | ||
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| ![TopM](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/TopM.png?raw=true "TopM") | | ||
![Bucketing](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/Bucketing.png?raw=true "Bucketing") | | ||
![SSC](https://github.com/BAILOOL/ANMS-Codes/blob/master/Images/SSC.png?raw=true "SSC") | | ||
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For more details about the algorithm, experiments as well as the importance of homogenously distributed keypoints for SLAM please refer to the [paper]. | ||
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## How to run | ||
1. Clone this repository: ``` git clone https://github.com/BAILOOL/ANMS-Codes.git ``` | ||
2. Visit [CmakeProject](https://github.com/BAILOOL/ANMS-Codes/tree/master/CmakeProject) and [QtProject](https://github.com/BAILOOL/ANMS-Codes/tree/master/QtProject) folders for your favorite compiling method. | ||
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3. Make sure the [path to test image](https://github.com/BAILOOL/ANMS-Codes/blob/d907ca805fcf1ea670ac75a9ea9b46446421e573/CmakeProject/source/main.cpp#L8) is set correctly. | ||
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4. Run the code: ``` ./ANMS_Codes``` | ||
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Codes are tested with OpenCV 2.4.8, OpenCV 3.3.1 and Ubuntu 14.04, 16.04. |