Search Results for author: George Vosselman

Found 18 papers, 9 papers with code

Compositional 3D Scene Synthesis with Scene Graph Guided Layout-Shape Generation

no code implementations19 Mar 2024 Yao Wei, Martin Renqiang Min, George Vosselman, Li Erran Li, Michael Ying Yang

Recent progresses have been made in shape generation with powerful generative models, such as diffusion models, which increases the shape fidelity.

3D Shape Generation Language Modelling +2

Convincing Rationales for Visual Question Answering Reasoning

1 code implementation6 Feb 2024 Kun Li, George Vosselman, Michael Ying Yang

Visual Question Answering (VQA) is a challenging task of predicting the answer to a question about the content of an image.

Question Answering Visual Question Answering

BuilDiff: 3D Building Shape Generation using Single-Image Conditional Point Cloud Diffusion Models

no code implementations31 Aug 2023 Yao Wei, George Vosselman, Michael Ying Yang

3D building generation with low data acquisition costs, such as single image-to-3D, becomes increasingly important.

Denoising Image to 3D

Interactive Image Segmentation with Cross-Modality Vision Transformers

1 code implementation5 Jul 2023 Kun Li, George Vosselman, Michael Ying Yang

Interactive image segmentation aims to segment the target from the background with the manual guidance, which takes as input multimodal data such as images, clicks, scribbles, and bounding boxes.

Image Segmentation Interactive Segmentation +2

Flow-based GAN for 3D Point Cloud Generation from a Single Image

1 code implementation8 Oct 2022 Yao Wei, George Vosselman, Michael Ying Yang

Generating a 3D point cloud from a single 2D image is of great importance for 3D scene understanding applications.

Point Cloud Generation Scene Understanding

Bidirectional Multi-scale Attention Networks for Semantic Segmentation of Oblique UAV Imagery

1 code implementation5 Feb 2021 Ye Lyu, George Vosselman, Gui-Song Xia, Michael Ying Yang

Semantic segmentation for aerial platforms has been one of the fundamental scene understanding task for the earth observation.

Earth Observation Scene Understanding +2

LGENet: Local and Global Encoder Network for Semantic Segmentation of Airborne Laser Scanning Point Clouds

no code implementations18 Dec 2020 Yaping Lin, George Vosselman, Yanpeng Cao, Michael Ying Yang

Interpretation of Airborne Laser Scanning (ALS) point clouds is a critical procedure for producing various geo-information products like 3D city models, digital terrain models and land use maps.

Semantic Segmentation

Plug & Play Convolutional Regression Tracker for Video Object Detection

2 code implementations2 Mar 2020 Ye Lyu, Michael Ying Yang, George Vosselman, Gui-Song Xia

As the tracker reuses the features from the detector, it is a very light-weighted increment to the detection network.

Object object-detection +2

LIP: Learning Instance Propagation for Video Object Segmentation

no code implementations30 Sep 2019 Ye Lyu, George Vosselman, Gui-Song Xia, Michael Ying Yang

In recent years, the task of segmenting foreground objects from background in a video, i. e. video object segmentation (VOS), has received considerable attention.

Data Augmentation Instance Segmentation +5

Unsupervised Domain Adaptation for Multispectral Pedestrian Detection

no code implementations7 Apr 2019 Dayan Guan, Xing Luo, Yanpeng Cao, Jiangxin Yang, Yanlong Cao, George Vosselman, Michael Ying Yang

In this paper, we propose a novel unsupervised domain adaptation framework for multispectral pedestrian detection, by iteratively generating pseudo annotations and updating the parameters of our designed multispectral pedestrian detector on target domain.

Autonomous Driving Pedestrian Detection +1

Robust object extraction from remote sensing data

no code implementations3 Apr 2019 Sophie Crommelinck, Mila Koeva, Michael Ying Yang, George Vosselman

The delineation approach to which the evaluation framework is applied, was previously introduced and is substantially improved in this study.

Object

UAVid: A Semantic Segmentation Dataset for UAV Imagery

3 code implementations24 Oct 2018 Ye Lyu, George Vosselman, Gui-Song Xia, Alper Yilmaz, Michael Ying Yang

There already exist several semantic segmentation datasets for comparison among semantic segmentation methods in complex urban scenes, such as the Cityscapes and CamVid datasets, where the side views of the objects are captured with a camera mounted on the driving car.

4k Autonomous Driving +5

Change Detection between Multimodal Remote Sensing Data Using Siamese CNN

1 code implementation25 Jul 2018 Zhenchao Zhang, George Vosselman, Markus Gerke, Devis Tuia, Michael Ying Yang

Detecting topographic changes in the urban environment has always been an important task for urban planning and monitoring.

Change Detection

Patch-based Evaluation of Dense Image Matching Quality

no code implementations25 Jul 2018 Zhenchao Zhang, Markus Gerke, George Vosselman, Michael Ying Yang

Due to the high cost of laser scanning, we want to explore the potential of using point clouds derived by dense image matching (DIM), as effective alternatives to laser scanning data.

Towards Automated Cadastral Boundary Delineation from UAV Data

no code implementations6 Sep 2017 Sophie Crommelinck, Michael Ying Yang, Mila Koeva, Markus Gerke, Rohan Bennett, George Vosselman

This study proposes (i) a workflow that automatically extracts candidate cadastral boundaries from UAV orthoimages and (ii) a tool for their semi-automatic processing to delineate final cadastral boundaries.

Contour Detection Superpixels

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