Laser & Optoelectronics Progress, Volume. 58, Issue 2, 0210020(2021)
A Real-Time SIFT Algorithm for Planetary Surface Feature Extraction
Fig. 1. Flow chart of proposed algorithm
Fig. 2. Gaussian kernel function implementation process
Fig. 3. Key point extraction parallelization process
Fig. 4. Error distribution
Fig. 5. Feature point matching results of four algorithms. (a) SIFT algorithm; (b) SiftGPU algorithm; (c) SURF algorithm; (d) FG-SIFT algorithm
Fig. 6. Time-consuming comparison of feature point extraction. (a) Time-consuming statistics; (b) algorithm speedup ratio
Fig. 7. Time-consuming comparison of building Gaussian pyramid. (a) Time-consuming statistics; (b) algorithm speedup ratio
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Baoyan Shan, Zhencai Zhu, Yonghe Zhang, Chengbo Qiu. A Real-Time SIFT Algorithm for Planetary Surface Feature Extraction[J]. Laser & Optoelectronics Progress, 2021, 58(2): 0210020
Category: Image Processing
Received: Jun. 18, 2020
Accepted: Oct. 13, 2020
Published Online: Jan. 11, 2021
The Author Email: Zhu Zhencai (zczhu@hotmail.com)