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In recent years, instance segmentation has garnered significant attention across various applications. However, training a fully-supervised instance segmentation model requires costly both instance-level and pixel-level annotations. In…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Yuchen Shen , Dong Zhang , Zhao Zhang , Liyong Fu , Qiaolin Ye

Recent approaches for weakly supervised instance segmentations depend on two components: (i) a pseudo label generation model that provides instances which are consistent with a given annotation; and (ii) an instance segmentation model,…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Aditya Arun , C. V. Jawahar , M. Pawan Kumar

3D semantic scene understanding is essential for digital twins, autonomous driving, smart agriculture, and embodied perception, yet dense point-wise annotation for point clouds remains expensive and difficult to scale. Existing…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Yijing Wang , Ruonan Li , Qilin Wang , Rongqiang Zhao , Jie Liu

How to extract instance-level masks without instance-level supervision is the main challenge of weakly supervised instance segmentation (WSIS). Popular WSIS methods estimate a displacement field (DF) via learning inter-pixel relations and…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Tengbo Wang , Yu Bai

3D point cloud semantic segmentation has a wide range of applications. Recently, weakly supervised point cloud segmentation methods have been proposed, aiming to alleviate the expensive and laborious manual annotation process by leveraging…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Xiawei Li , Qingyuan Xu , Jing Zhang , Tianyi Zhang , Qian Yu , Lu Sheng , Dong Xu

Semantic segmentation in remote sensing images is crucial for various applications, yet its performance is heavily reliant on large-scale, high-quality pixel-wise annotations, which are notoriously expensive and time-consuming to acquire.…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Jiayi Song , Kaiyu Li , Xiangyong Cao , Deyu Meng

Most existing 3D instance segmentation methods are derived from 3D semantic segmentation models. However, these indirect approaches suffer from certain limitations. They fail to fully leverage global and local semantic information for…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Lei Pan , Wuyang Luan , Yuan Zheng , Qiang Fu , Junhui Li

Segmenting tumors in histological images is vital for cancer diagnosis. While fully supervised models excel with pixel-level annotations, creating such annotations is labor-intensive and costly. Accurate histopathology image segmentation…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Yinsheng He , Xingyu Li , Roger J. Zemp

Pseudo-labeling is significant for semi-supervised instance segmentation, which generates instance masks and classes from unannotated images for subsequent training. However, in existing pipelines, pseudo-labels that contain valuable…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Jie Hu , Chen Chen , Liujuan Cao , Shengchuan Zhang , Annan Shu , Guannan Jiang , Rongrong Ji

Knowledge distillation is widely adopted in semantic segmentation to reduce the computation cost.The previous knowledge distillation methods for semantic segmentation focus on pixel-wise feature alignment and intra-class feature variation…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Zhengbo Zhang , Chunluan Zhou , Zhigang Tu

The requirement of expensive annotations is a major burden for training a well-performed instance segmentation model. In this paper, we present an economic active learning setting, named active pointly-supervised instance segmentation…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Chufeng Tang , Lingxi Xie , Gang Zhang , Xiaopeng Zhang , Qi Tian , Xiaolin Hu

Deep learning techniques have become the to-go models for most vision-related tasks on 2D images. However, their power has not been fully realised on several tasks in 3D space, e.g., 3D scene understanding. In this work, we jointly address…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Quang-Hieu Pham , Duc Thanh Nguyen , Binh-Son Hua , Gemma Roig , Sai-Kit Yeung

Object detection via inaccurate bounding boxes supervision has boosted a broad interest due to the expensive high-quality annotation data or the occasional inevitability of low annotation quality (\eg tiny objects). The previous works…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Di Wu , Pengfei Chen , Xuehui Yu , Guorong Li , Zhenjun Han , Jianbin Jiao

Instance segmentation is essential for applications such as automated monitoring of plant health, growth, and yield. However, extensive effort is required to create large-scale datasets with pixel-level annotations of each object instance…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Keyhan Najafian , Farhad Maleki , Lingling Jin , Ian Stavness

Instance segmentation in 3D scenes is fundamental in many applications of scene understanding. It is yet challenging due to the compound factors of data irregularity and uncertainty in the numbers of instances. State-of-the-art methods…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Zhihao Liang , Zhihao Li , Songcen Xu , Mingkui Tan , Kui Jia

Point cloud instance segmentation has achieved huge progress with the emergence of deep learning. However, these methods are usually data-hungry with expensive and time-consuming dense point cloud annotations. To alleviate the annotation…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Yongbin Liao , Hongyuan Zhu , Yanggang Zhang , Chuangguan Ye , Tao Chen , Jiayuan Fan

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

Recently, Segment Anything Model (SAM) has demonstrated strong generalizability in various instance segmentation tasks. However, its performance is severely dependent on the quality of manual prompts. In addition, the RGB images that…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Yihan Shang , Wei Wang , Chao Huang , Xinghui Dong

Few-shot segmentation focuses on the generalization of models to segment unseen object with limited annotated samples. However, existing approaches still face two main challenges. First, huge feature distinction between support and query…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Qi Zhao , Binghao Liu , Shuchang Lyu , Huojin Chen

One of the fundamental challenges in microscopy (MS) image analysis is instance segmentation (IS), particularly when segmenting cluster regions where multiple objects of varying sizes and shapes may be connected or even overlapped in…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Jun Wang , Chengfeng Zhou , Zhaoyan Ming , Lina Wei , Xudong Jiang , Dahong Qian