Long Distance Distributed Strain Sensing in OFDR by BM3D-SAPCA Image Denoising
We present a long distance distributed strain sensing in optical frequency domain reflectometry (OFDR) by shape-adaptive principal component analysis Block-Matching three-dimensional filter (BM3D-S…
Low-Threshold and Sub-kHz-Linewidth Brillouin Laser Based on Chalcogenide Fib…
We experimentally demonstrate a Brillouin fiber laser (BFL) with a low threshold and narrow linewidth at 2 μ m employing a chalcogenide As 2 S 3 fiber as the Brillouin gain fiber. The As 2 S 3 fib…
Elimination of Side Lobe Ghost Peak Using Wiener Deconvolution Filter in OFDR
Ghost peaks refer to these peaks on backscattering trace measured by a reflectometer similar to Fresnel reflection peaks appearing at the position of non-reflection events in optical fiber or optic…
Orthogonal Trace-Sum Maximization : Tightness of the Semidefinite Relaxation …
This paper studies an optimization problem on the sum of traces of matrix quadratic forms in m semiorthogonal matrices, which can be considered as a generalization of the synchronization of rotatio…
Re-Thinking Co-Salient Object Detection
In this article, we conduct a comprehensive study on the co-salient object detection (CoSOD) problem for images. CoSOD is an emerging and rapidly growing extension of salient object detection (SOD)…
Frenemies : Corporate Advertising Under Common Ownership
In this paper, we investigate the impact of ownership structure on corporate advertising expenditures. Using mutual fund mergers as an exogenous shock to ownership structure, we find that competing…
The Discrete Moment Problem with Nonconvex Shape Constraints
The discrete moment problem is a foundational problem in distribution-free robust optimization, where the goal is to find a worst-case distribution that satisfies a given set of moments. This paper…
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