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Recently, significant improvement has been made on semantic object segmentation due to the development of deep convolutional neural networks (DCNNs). Training such a DCNN usually relies on a large number of images with pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2016-12-08 Yunchao Wei , Xiaodan Liang , Yunpeng Chen , Xiaohui Shen , Ming-Ming Cheng , Jiashi Feng , Yao Zhao , Shuicheng Yan

Segment Anything Model (SAM), a prompt-driven foundation model for natural image segmentation, has demonstrated impressive zero-shot performance. However, SAM does not work when directly applied to medical image segmentation, since SAM…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Bin Xie , Hao Tang , Bin Duan , Dawen Cai , Yan Yan , Gady Agam

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

Semantic segmentation is a crucial task for robot navigation and safety. However, current supervised methods require a large amount of pixelwise annotations to yield accurate results. Labeling is a tedious and time consuming process that…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Alina Marcu , Vlad Licaret , Dragos Costea , Marius Leordeanu

Automating the annotation of scanned documents is challenging, requiring a balance between computational efficiency and accuracy. DocParseNet addresses this by combining deep learning and multi-modal learning to process both text and visual…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Ahmad Mohammadshirazi , Ali Nosrati Firoozsalari , Mengxi Zhou , Dheeraj Kulshrestha , Rajiv Ramnath

Semantic segmentation has been widely investigated in the community, in which the state of the art techniques are based on supervised models. Those models have reported unprecedented performance at the cost of requiring a large set of high…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Rihuan Ke , Angelica Aviles-Rivero , Saurabh Pandey , Saikumar Reddy , Carola-Bibiane Schönlieb

Annotating images for semantic segmentation requires intense manual labor and is a time-consuming and expensive task especially for domains with a scarcity of experts, such as Forensic Anthropology. We leverage the evolving nature of images…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Sara Mousavi , Zhenning Yang , Kelley Cross , Dawnie Steadman , Audris Mockus

In recent years, computer vision has transformed fields such as medical imaging, object recognition, and geospatial analytics. One of the fundamental tasks in computer vision is semantic image segmentation, which is vital for precise object…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Dinar Sharafutdinov , Stanislav Kuskov , Saian Protasov , Alexey Voropaev

We show that it is possible to learn semantic segmentation from very limited amounts of manual annotations, by enforcing geometric 3D constraints between multiple views. More exactly, image locations corresponding to the same physical 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

Weakly supervised semantic segmentation receives much research attention since it alleviates the need to obtain a large amount of dense pixel-wise ground-truth annotations for the training images. Compared with other forms of weak…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Tianyi Zhang , Guosheng Lin , Jianfei Cai , Tong Shen , Chunhua Shen , Alex C. Kot

Deep learning has been successfully applied to OCT segmentation. However, for data from different manufacturers and imaging protocols, and for different regions of interest (ROIs), it requires laborious and time-consuming data annotation…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Haoran Zhang , Jianlong Yang , Ce Zheng , Shiqing Zhao , Aili Zhang

Surgical tool segmentation in endoscopic images is an important problem: it is a crucial step towards full instrument pose estimation and it is used for integration of pre- and intra-operative images into the endoscopic view. While many…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Daniil Pakhomov , Wei Shen , Nassir Navab

Accurate prediction of 3D semantic occupancy from 2D visual images is vital in enabling autonomous agents to comprehend their surroundings for planning and navigation. State-of-the-art methods typically employ fully supervised approaches,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Duc-Hai Pham , Duc-Dung Nguyen , Anh Pham , Tuan Ho , Phong Nguyen , Khoi Nguyen , Rang Nguyen

The success of state-of-the-art deep neural networks heavily relies on the presence of large-scale labelled datasets, which are extremely expensive and time-consuming to annotate. This paper focuses on tackling semi-supervised part…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Yu Yang , Xiaotian Cheng , Hakan Bilen , Xiangyang Ji

Image datasets with high-quality pixel-level annotations are valuable for semantic segmentation: labelling every pixel in an image ensures that rare classes and small objects are annotated. However, full-image annotations are expensive,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Hubert Lin , Paul Upchurch , Kavita Bala

In recent years, the rapid development of deep learning has brought great advancements to image and video segmentation methods based on neural networks. However, to unleash the full potential of such models, large numbers of high-quality…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yuying Hao , Yi Liu , Yizhou Chen , Lin Han , Juncai Peng , Shiyu Tang , Guowei Chen , Zewu Wu , Zeyu Chen , Baohua Lai

Semantic segmentation is crucial in remote sensing, where high-resolution satellite images are segmented into meaningful regions. Recent advancements in deep learning have significantly improved satellite image segmentation. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Santiago Rivier , Carlos Hinojosa , Silvio Giancola , Bernard Ghanem

For best performance, today's semantic segmentation methods use large and carefully labeled datasets, requiring expensive annotation budgets. In this work, we show that coarse annotation is a low-cost but highly effective alternative for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Anurag Das , Yongqin Xian , Yang He , Zeynep Akata , Bernt Schiele

Semantic segmentation requires large amounts of pixel-wise annotations to learn accurate models. In this paper, we present a video prediction-based methodology to scale up training sets by synthesizing new training samples in order to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Yi Zhu , Karan Sapra , Fitsum A. Reda , Kevin J. Shih , Shawn Newsam , Andrew Tao , Bryan Catanzaro

Weakly supervised LiDAR semantic segmentation has made significant strides with limited labeled data. However, most existing methods focus on the network training under weak supervision, while efficient annotation strategies remain largely…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Yilong Chen , Zongyi Xu , xiaoshui Huang , Ruicheng Zhang , Xinqi Jiang , Xinbo Gao