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3D semantic scene understanding tasks have achieved great success with the emergence of deep learning, but often require a huge amount of manually annotated training data. To alleviate the annotation cost, we propose the first…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Shichao Dong , Guosheng Lin

Most deep learning approaches to comprehensive semantic modeling of 3D indoor spaces require costly dense annotations in the 3D domain. In this work, we explore a central 3D scene modeling task, namely, semantic scene reconstruction without…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Junwen Huang , Alexey Artemov , Yujin Chen , Shuaifeng Zhi , Kai Xu , Matthias Nießner

This dissertation addresses visual scene understanding and enhances segmentation performance and generalization, training efficiency of networks, and holistic understanding. First, we investigate semantic segmentation in the context of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Panagiotis Meletis

Vision-based segmentation in forested environments is a key functionality for autonomous forestry operations such as tree felling and forwarding. Deep learning algorithms demonstrate promising results to perform visual tasks such as object…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Vincent Grondin , François Pomerleau , Philippe Giguère

As one of the fundamental tasks in computer vision, semantic segmentation plays an important role in real world applications. Although numerous deep learning models have made notable progress on several mainstream datasets with the rapid…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Bin Zhang , Shengjie Zhao , Rongqing Zhang

Semi-supervised learning (SSL) is a common approach to learning predictive models using not only labeled examples, but also unlabeled examples. While SSL for the simple tasks of classification and regression has received a lot of attention…

Machine Learning · Computer Science 2024-04-02 Jurica Levatić , Michelangelo Ceci , Dragi Kocev , Sašo Džeroski

The ability to endow maps of indoor scenes with semantic information is an integral part of robotic agents which perform different tasks such as target driven navigation, object search or object rearrangement. The state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Sulabh Shrestha , Yimeng Li , Jana Kosecka

When approaching the semantic segmentation of overhead imagery in the decimeter spatial resolution range, successful strategies usually combine powerful methods to learn the visual appearance of the semantic classes (e.g. convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Michele Volpi , Devis Tuia

Scaling up the vocabulary of semantic segmentation models is extremely challenging because annotating large-scale mask labels is labour-intensive and time-consuming. Recently, language-guided segmentation models have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Haojun Yu , Di Dai , Ziwei Zhao , Di He , Han Hu , Liwei Wang

Scribble-based weakly supervised semantic segmentation leverages only a few annotated pixels as labels to train a segmentation model, presenting significant potential for reducing the human labor involved in the annotation process. This…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Xinliang Zhang , Lei Zhu , Shuang Zeng , Hangzhou He , Ourui Fu , Zhengjian Yao , Zhaoheng Xie , Yanye Lu

Images of scenes have various objects as well as abundant attributes, and diverse levels of visual categorization are possible. A natural image could be assigned with fine-grained labels that describe major components, coarse-grained labels…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Hexiang Hu , Guang-Tong Zhou , Zhiwei Deng , Zicheng Liao , Greg Mori

For the semantic segmentation of images, state-of-the-art deep neural networks (DNNs) achieve high segmentation accuracy if that task is restricted to a closed set of classes. However, as of now DNNs have limited ability to operate in an…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Svenja Uhlemeyer , Matthias Rottmann , Hanno Gottschalk

Semantic segmentation has made tremendous progress in recent years. However, satisfying performance highly depends on a large number of pixel-level annotations. Therefore, in this paper, we focus on the semi-supervised segmentation problem…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Xin Lai , Zhuotao Tian , Li Jiang , Shu Liu , Hengshuang Zhao , Liwei Wang , Jiaya Jia

We propose an approach to instance-level image segmentation that is built on top of category-level segmentation. Specifically, for each pixel in a semantic category mask, its corresponding instance bounding box is predicted using a deep…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Zifeng Wu , Chunhua Shen , Anton van den Hengel

To improve the classification performance in the context of hyperspectral image processing, many works have been developed based on two common strategies, namely the spatial-spectral information integration and the utilization of neural…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Yi Liang , Xin Zhao , Alan J. X. Guo , Fei Zhu

In this paper, we propose an unified hyperspectral image classification method which takes three-dimensional hyperspectral data cube as an input and produces a classification map. In the proposed method, a deep neural network which uses…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Berkan Demirel , Omer Ozdil , Yunus Emre Esin , Safak Ozturk

High-resolution semantic segmentation requires substantial computational resources. Traditional approaches in the field typically downscale the input images before processing and then upscale the low-resolution outputs back to their…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Ritambhara Singh , Abhishek Jain , Pietro Perona , Shivani Agarwal , Junfeng Yang

Obtaining human per-pixel labels for semantic segmentation is incredibly laborious, often making labeled dataset construction prohibitively expensive. Here, we endeavor to overcome this problem with a novel algorithm that combines…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Pixel-level labels are particularly expensive to acquire. Hence, pretraining is a critical step to improve models on a task like semantic segmentation. However, prominent algorithms for pretraining neural networks use image-level…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Mathilde Caron , Neil Houlsby , Cordelia Schmid

Large vision and language models learned directly through image-text associations often lack detailed visual substantiation, whereas image segmentation tasks are treated separately from recognition, supervisedly learned without…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Tsung-Wei Ke , Sangwoo Mo , Stella X. Yu