Search Results for author: Xiaohu Lu

Found 8 papers, 2 papers with code

ScAR: Scaling Adversarial Robustness for LiDAR Object Detection

2 code implementations5 Dec 2023 Xiaohu Lu, Hayder Radha

Universal adversarial attack methods such as Fast Sign Gradient Method (FSGM) and Projected Gradient Descend (PGD) are popular for LiDAR object detection, but they are often deficient compared to task-specific adversarial attacks.

3D Object Detection Adversarial Attack +3

Strong-Weak Integrated Semi-supervision for Unsupervised Single and Multi Target Domain Adaptation

no code implementations12 Sep 2023 Xiaohu Lu, Hayder Radha

The extension from single-target to multi-target domain adaptation is accomplished by exploring the class-wise distance relationship between domains and replacing the strong representative set with much stronger samples from peer domains via peer scaffolding.

Image Classification Multi-target Domain Adaptation +1

3D Iterative Spatiotemporal Filtering for Classification of Multitemporal Satellite Data Sets

no code implementations1 Jul 2021 Hessah Albanwan, Rongjun Qin, Xiaohu Lu, Mao Li, Desheng Liu, Jean-Michel Guldmann

The current practice in land cover/land use change analysis relies heavily on the individually classified maps of the multitemporal data set.

Classification

Geometry-Aware Satellite-to-Ground Image Synthesis for Urban Areas

no code implementations CVPR 2020 Xiaohu Lu, Zuoyue Li, Zhaopeng Cui, Martin R. Oswald, Marc Pollefeys, Rongjun Qin

We present a novel method for generating panoramic street-view images which are geometrically consistent with a given satellite image.

Image Generation

A Comparison of Stereo-Matching Cost between Convolutional Neural Network and Census for Satellite Images

no code implementations22 May 2019 Bihe Chen, Rongjun Qin, Xu Huang, Shuang Song, Xiaohu Lu

Stereo dense image matching can be categorized to low-level feature based matching and deep feature based matching according to their matching cost metrics.

Stereo Matching Stereo Matching Hand

Using Orthophoto for Building Boundary Sharpening in the Digital Surface Model

no code implementations22 May 2019 Xiaohu Lu, Rong-Jun Qin, Xu Huang

Nowadays dense stereo matching has become one of the dominant tools in 3D reconstruction of urban regions for its low cost and high flexibility in generating dense 3D points.

3D Reconstruction Stereo Matching +1

Fast 3D Line Segment Detection From Unorganized Point Cloud

3 code implementations8 Jan 2019 Xiaohu Lu, Yahui Liu, Kai Li

This paper presents a very simple but efficient algorithm for 3D line segment detection from large scale unorganized point cloud.

Line Detection Line Segment Detection +1

Learning to Refine Object Contours with a Top-Down Fully Convolutional Encoder-Decoder Network

no code implementations12 May 2017 Yahui Liu, Jian Yao, Li Li, Xiaohu Lu, Jing Han

We develop a novel deep contour detection algorithm with a top-down fully convolutional encoder-decoder network.

Contour Detection

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