English
Related papers

Related papers: Match4Annotate: Propagating Sparse Video Annotatio…

200 papers

Present-day deep neural networks for video semantic segmentation require a large number of fine-grained pixel-level annotations to achieve the best possible results. Obtaining such annotations, however, is very expensive. On the other hand,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Samik Some , Vinay P. Namboodiri

Weakly-supervised methods typically guided the pixel-wise training by comparing the predictions to single-level labels containing diverse segmentation-related information at once, but struggled to represent delicate feature differences…

Image and Video Processing · Electrical Eng. & Systems 2025-07-03 Jianning Chi , Zelan Li , Huixuan Wu , Wenjun Zhang , Ying Huang

Medical image annotation is essential for diagnosing diseases, yet manual annotation is time-consuming, costly, and prone to variability among experts. To address these challenges, we propose an automated explainable annotation system that…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Basma Nasir , Tehseen Zia , Muhammad Nawaz , Catarina Moreira

Manual annotation of medical images is a labor-intensive and time-consuming process, posing a significant bottleneck in the development and deployment of robust medical imaging AI systems. This paper introduces a novel hands-free Human-AI…

Image and Video Processing · Electrical Eng. & Systems 2025-07-29 Yizhe Zhang

One of the main obstacles to 3D semantic segmentation is the significant amount of endeavor required to generate expensive point-wise annotations for fully supervised training. To alleviate manual efforts, we propose GIDSeg, a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Peng Yin , Lingyun Xu , Jianmin Ji , Sebastian Scherer , Howie Choset

Auxiliary-free human video matting methods, which rely solely on input frames, often struggle with complex or ambiguous backgrounds. To address this, we propose MatAnyone, a robust framework tailored for target-assigned video matting.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Peiqing Yang , Shangchen Zhou , Jixin Zhao , Qingyi Tao , Chen Change Loy

In recent years, there has been remarkable progress in supervised image segmentation. Video segmentation is less explored, despite the temporal dimension being highly informative. Semantic labels, e.g. that cannot be accurately detected in…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Radu Sibechi , Olaf Booij , Nora Baka , Peter Bloem

Although adversarial samples of deep neural networks (DNNs) have been intensively studied on static images, their extensions in videos are never explored. Compared with images, attacking a video needs to consider not only spatial cues but…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Xingxing Wei , Jun Zhu , Hang Su

Current top-leading solutions for video object segmentation (VOS) typically follow a matching-based regime: for each query frame, the segmentation mask is inferred according to its correspondence to previously processed and the first…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Yurong Zhang , Liulei Li , Wenguan Wang , Rong Xie , Li Song , Wenjun Zhang

The problem of video object segmentation can become extremely challenging when multiple instances co-exist. While each instance may exhibit large scale and pose variations, the problem is compounded when instances occlude each other causing…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Xiaoxiao Li , Chen Change Loy

Recently, memory-based approaches show promising results on semi-supervised video object segmentation. These methods predict object masks frame-by-frame with the help of frequently updated memory of the previous mask. Different from this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Kwanyong Park , Sanghyun Woo , Seoung Wug Oh , In So Kweon , Joon-Young Lee

Training a computer vision system to segment a novel class typically requires collecting and painstakingly annotating lots of images with objects from that class. Few-shot segmentation techniques reduce the required number of images to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Shreyas Chandgothia , Ardhendu Sekhar , Amit Sethi

Spannotation is an open source user-friendly tool developed for image annotation for semantic segmentation specifically in autonomous navigation tasks. This study provides an evaluation of Spannotation, demonstrating its effectiveness in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Samuel O. Folorunsho , William R. Norris

DensePose supersedes traditional landmark detectors by densely mapping image pixels to body surface coordinates. This power, however, comes at a greatly increased annotation time, as supervising the model requires to manually label hundreds…

Computer Vision and Pattern Recognition · Computer Science 2019-06-14 Natalia Neverova , James Thewlis , Rıza Alp Güler , Iasonas Kokkinos , Andrea Vedaldi

Sparse annotations fundamentally constrain multimodal remote sensing: even recent state-of-the-art supervised methods such as MSFMamba are limited by the availability of labeled data, restricting their practical deployment despite…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Yuzhen Hu , Saurabh Prasad

Sparse annotation in remote sensing object detection poses significant challenges due to dense object distributions and category imbalances. Although existing Dense Pseudo-Label methods have demonstrated substantial potential in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Wei Liao , Chunyan Xu , Chenxu Wang , Zhen Cui

Despite that deep learning has achieved state-of-the-art performance for medical image segmentation, its success relies on a large set of manually annotated images for training that are expensive to acquire. In this paper, we propose an…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Lu Wang , Dong Guo , Guotai Wang , Shaoting Zhang

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

Noisy labels can significantly affect the performance of deep neural networks (DNNs). In medical image segmentation tasks, annotations are error-prone due to the high demand in annotation time and in the annotators' expertise. Existing…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Jiachen Yao , Yikai Zhang , Songzhu Zheng , Mayank Goswami , Prateek Prasanna , Chao Chen

Existing models often struggle with complex temporal changes, particularly when generating videos with gradual attribute transitions. The most common prompt interpolation approach for motion transitions often fails to handle gradual…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Ling Lo , Kelvin C. K. Chan , Wen-Huang Cheng , Ming-Hsuan Yang