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A major obstacle in instance segmentation is that existing methods often need many per-pixel labels in order to be effective. These labels require large human effort and for certain applications, such labels are not readily available. To…

计算机视觉与模式识别 · 计算机科学 2019-07-03 Issam H. Laradji , David Vazquez , Mark Schmidt

Training convolutional networks for semantic segmentation requires per-pixel ground truth labels, which are very time consuming and hence costly to obtain. Therefore, in this work, we research and develop a hierarchical deep network…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Panagiotis Meletis , Gijs Dubbelman

Temporal action localization presents a trade-off between test performance and annotation-time cost. Fully supervised methods achieve good performance with time-consuming boundary annotations. Weakly supervised methods with cheaper…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Xinpeng Ding , Nannan Wang , Xinbo Gao , Jie Li , Xiaoyu Wang , Tongliang Liu

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…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Sara Mousavi , Zhenning Yang , Kelley Cross , Dawnie Steadman , Audris Mockus

We propose a technique to train semantic part-based models of object classes from Google Images. Our models encompass the appearance of parts and their spatial arrangement on the object, specific to each viewpoint. We learn these rich…

计算机视觉与模式识别 · 计算机科学 2018-05-15 Davide Modolo , Vittorio Ferrari

Semantic segmentation is the task of assigning a class-label to each pixel in an image. We propose a region-based semantic segmentation framework which handles both full and weak supervision, and addresses three common problems: (1) Objects…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Holger Caesar , Jasper Uijlings , Vittorio Ferrari

Pixel-level Scene Understanding is one of the fundamental problems in computer vision, which aims at recognizing object classes, masks and semantics of each pixel in the given image. Compared with image scene parsing, video scene parsing…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Biao Wu , Diankai Zhang , Si Gao , Chengjian Zheng , Shaoli Liu , Ning Wang

In semi-supervised semantic segmentation, a model is trained with a limited number of labeled images along with a large corpus of unlabeled images to reduce the high annotation effort. While previous methods are able to learn good…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Lukas Hoyer , David Joseph Tan , Muhammad Ferjad Naeem , Luc Van Gool , Federico Tombari

Semantic segmentation requires dense pixel-level annotations, which are costly and time-consuming to acquire. To address this, we present SeSAM, a framework that uses a foundational segmentation model, i.e. Segment Anything Model (SAM),…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Anurag Das , Anna Kukleva , Xinting Hu , Yuki M. Asano , Bernt Schiele

Assigning meaning to parts of image data is the goal of semantic image segmentation. Machine learning methods, specifically supervised learning is commonly used in a variety of tasks formulated as semantic segmentation. One of the major…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Lu Yin , Vlado Menkovski , Shiwei Liu , Mykola Pechenizkiy

In this paper, we aim to improve the performance of semantic image segmentation in a semi-supervised setting in which training is effectuated with a reduced set of annotated images and additional non-annotated images. We present a method…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Jizong Peng , Guillermo Estrada , Marco Pedersoli , Christian Desrosiers

A central challenge for the task of semantic segmentation is the prohibitive cost of obtaining dense pixel-level annotations to supervise model training. In this work, we show that in order to achieve a good level of segmentation…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Gyungin Shin , Weidi Xie , Samuel Albanie

Annotation burden has become one of the biggest barriers to semantic segmentation. Approaches based on click-level annotations have therefore attracted increasing attention due to their superior trade-off between supervision and annotation…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Hongjun Chen , Jinbao Wang , Hong Cai Chen , Xiantong Zhen , Feng Zheng , Rongrong Ji , Ling Shao

Despite the great progress made by deep neural networks in the semantic segmentation task, traditional neural-networkbased methods typically suffer from a shortage of large amounts of pixel-level annotations. Recent progress in fewshot…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Shuo Lei , Xuchao Zhang , Jianfeng He , Fanglan Chen , Chang-Tien Lu

Existing semantic segmentation approaches either aim to improve the object's inner consistency by modeling the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Xiangtai Li , Xia Li , Li Zhang , Guangliang Cheng , Jianping Shi , Zhouchen Lin , Shaohua Tan , Yunhai Tong

Deep learning architectures exhibit a critical drop of performance due to catastrophic forgetting when they are required to incrementally learn new tasks. Contemporary incremental learning frameworks focus on image classification and object…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Umberto Michieli , Pietro Zanuttigh

Despite the remarkable performance of deep learning methods on various tasks, most cutting-edge models rely heavily on large-scale annotated training examples, which are often unavailable for clinical and health care tasks. The labeling…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Jialin Peng , Ye Wang

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…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

Most existing point cloud instance and semantic segmentation methods rely heavily on strong supervision signals, which require point-level labels for every point in the scene. However, such strong supervision suffers from large annotation…

计算机视觉与模式识别 · 计算机科学 2022-07-26 An Tao , Yueqi Duan , Yi Wei , Jiwen Lu , Jie Zhou