2017
DOI: 10.1109/lra.2016.2635686
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Direct Visual Odometry in Low Light Using Binary Descriptors

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Cited by 65 publications
(62 citation statements)
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“…However, the main limitation of direct methods is the brightness constancy assumption which is rarely fulfilled in any real-world robotic application [17]. The authors of [18] propose to use binary feature descriptors for direct tracking called Bit-planes. While improving the robustness to bad lighting situations it was also found that Bit-planes have a smaller convergence basin than intensities.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…However, the main limitation of direct methods is the brightness constancy assumption which is rarely fulfilled in any real-world robotic application [17]. The authors of [18] propose to use binary feature descriptors for direct tracking called Bit-planes. While improving the robustness to bad lighting situations it was also found that Bit-planes have a smaller convergence basin than intensities.…”
Section: Related Workmentioning
confidence: 99%
“…To partially overcome this, a pyramid scheme is often used. Usually tracking on multiple channels instead of one can decrease the convergence radius ( [18], [25]). However, in our case, we train the feature maps to in fact have a larger convergence basin than images by enforcing smoothness in the vicinity of the correct correspondence.…”
Section: Deep Direct Slammentioning
confidence: 99%
“…Crivellaro and Lepetit (2014) relies on the dense computation of a deliberately designed local descriptor to obtain a clear global minimum in energy function while preserving convergence basin by convolving with a low‐pass filter. The method based on the census transform Alismail, Browning, and Lucey (2017) uses a binary descriptor to achieve local illumination invariance during the motion estimation. Based on the analysis from our previous work (Wu & Pradalier, 2019), we found the affine‐model‐based approach shows both good accuracy and large convergence basin, which can be used to formulate our inter‐camera tracking algorithm.…”
Section: Related Workmentioning
confidence: 99%
“…The designed iteration (42) can directly obtain the attitude matrix on SO(3) and then produce the quaternion. In realworld implementation, the cross product can be easily computed as follows…”
Section: E Real-world Implementationmentioning
confidence: 99%