Non-Convex Tensor Low-Rank Approximation for Infrared Small Target
Detection
- URL: http://arxiv.org/abs/2105.14974v1
- Date: Mon, 31 May 2021 14:04:58 GMT
- Title: Non-Convex Tensor Low-Rank Approximation for Infrared Small Target
Detection
- Authors: Ting Liu, Jungang Yang, Boyang Li, Chao Xiao, Yang Sun, Yingqian Wang,
Wei An
- Abstract summary: Infrared small target detection plays an important role in many infrared systems.
Most low-rank methods assign different singular values to inaccurate background estimation.
We propose a non-native spatial approximation (NTLA) for this small infrared target detection algorithm.
- Score: 32.67489082946838
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Infrared small target detection plays an important role in many infrared
systems. Recently, many infrared small target detection methods have been
proposed, in which the lowrank model has been used as a powerful tool. However,
most low-rank-based methods assign the same weights for different singular
values, which will lead to inaccurate background estimation. Considering that
different singular values have different importance and should be treated
discriminatively, in this paper, we propose a non-convex tensor low-rank
approximation (NTLA) method for infrared small target detection. In our method,
NTLA adaptively assigns different weights to different singular values for
accurate background estimation. Based on the proposed NTLA, we use the
asymmetric spatial-temporal total variation (ASTTV) to thoroughly describe
background feature, which can achieve good background estimation and detection
in complex scenes. Compared with the traditional total variation approach,
ASTTV exploits different smoothness strength for spatial and temporal
regularization. We develop an efficient algorithm to find the optimal solution
of the proposed model. Compared with some state-of-the-art methods, the
proposed method achieve an improvement in different evaluation metrics.
Extensive experiments on both synthetic and real data demonstrate the proposed
method provide a more robust detection in complex situations with low false
rates.
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