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While image segmentation is crucial in various computer vision applications, such as autonomous driving, grasping, and robot navigation, annotating all objects at the pixel-level for training is nearly impossible. Therefore, the study of…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Cuong Manh Hoang , Byeongkeun Kang

Long-tail distribution is widely spread in real-world applications. Due to the extremely small ratio of instances, tail categories often show inferior accuracy. In this paper, we find such performance bottleneck is mainly caused by the…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Jingru Tan , Bo Li , Xin Lu , Yongqiang Yao , Fengwei Yu , Tong He , Wanli Ouyang

Conventional image compression methods typically aim at pixel-level consistency while ignoring the performance of downstream AI tasks.To solve this problem, this paper proposes a Semantic-Assisted Image Compression method (SAIC), which can…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Qizheng Sun , Caili Guo , Yang Yang , Jiujiu Chen , Xijun Xue

Recent self-supervised image segmentation models have achieved promising performance on semantic segmentation and class-agnostic instance segmentation. However, their pretraining schedule is multi-stage, requiring a time-consuming…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Huihui Xu , Jin Ye , Hongqiu Wang , Changkai Ji , Jiashi Lin , Ming Hu , Ziyan Huang , Ying Chen , Chenglong Ma , Tianbin Li , Lihao Liu , Junjun He , Lei Zhu

Unsupervised Domain Adaptation (UDA) aims to solve the problem of label scarcity of the target domain by transferring the knowledge from the label rich source domain. Usually, the source domain consists of synthetic images for which the…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Anant Khandelwal

Nuclei instance segmentation on histopathology images is of great clinical value for disease analysis. Generally, fully-supervised algorithms for this task require pixel-wise manual annotations, which is especially time-consuming and…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Yang Zhou , Yongjian Wu , Zihua Wang , Bingzheng Wei , Maode Lai , Jianzhong Shou , Yubo Fan , Yan Xu

In fine-grained road scene understanding, semantic segmentation plays a crucial role in enabling vehicles to perceive and comprehend their surroundings. By assigning a specific class label to each pixel in an image, it allows for precise…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Yuting Hong , Yongkang Wu , Hui Xiao , Huazheng Hao , Xiaojie Qiu , Baochen Yao , Chengbin Peng

The predictive quality of machine learning models is typically measured in terms of their (approximate) expected prediction accuracy or the so-called Area Under the Curve (AUC). Minimizing the reciprocals of these measures are the goals of…

机器学习 · 统计学 2019-03-04 Hiva Ghanbari , Minhan Li , Katya Scheinberg

Semantic image segmentation aims to obtain object labels with precise boundaries, which usually suffers from overfitting. Recently, various data augmentation strategies like regional dropout and mix strategies have been proposed to address…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Jiawei Zhang , Yanchun Zhang , Xiaowei Xu

Since the fully convolutional network has achieved great success in semantic segmentation, lots of works have been proposed focusing on extracting discriminative pixel feature representations. However, we observe that existing methods still…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Dongyue Wu , Zilin Guo , Aoyan Li , Changqian Yu , Changxin Gao , Nong Sang

Unsupervised image segmentation aims at assigning the pixels with similar feature into a same cluster without annotation, which is an important task in computer vision. Due to lack of prior knowledge, most of existing model usually need to…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Zhichao Wu , Lei Guo , Hao Zhang , Dan Xu

We introduce AdaCoSeg, a deep neural network architecture for adaptive co-segmentation of a set of 3D shapes represented as point clouds. Differently from the familiar single-instance segmentation problem, co-segmentation is intrinsically…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Chenyang Zhu , Kai Xu , Siddhartha Chaudhuri , Li Yi , Leonidas Guibas , Hao Zhang

Feature alignment between domains is one of the mainstream methods for Unsupervised Domain Adaptation (UDA) semantic segmentation. Existing feature alignment methods for semantic segmentation learn domain-invariant features by adversarial…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Shuang Wang , Dong Zhao , Yi Li , Chi Zhang , Yuwei Guo , Qi Zang , Biao Hou , Licheng Jiao

Semantic image segmentation is the process of labeling each pixel of an image with its corresponding class. An encoder-decoder based approach, like U-Net and its variants, is a popular strategy for solving medical image segmentation tasks.…

图像与视频处理 · 电气工程与系统科学 2020-06-30 Debesh Jha , Michael A. Riegler , Dag Johansen , Pål Halvorsen , Håvard D. Johansen

Purpose. Given the high level of expertise required for navigation and interpretation of ultrasound images, computational simulations can facilitate the training of such skills in virtual reality. With ray-tracing based simulations,…

图像与视频处理 · 电气工程与系统科学 2021-01-22 Lin Zhang , Tiziano Portenier , Orcun Goksel

Area Under the Curve (AUC) is arguably the most popular measure of classification accuracy. We use a semiparametric framework to introduce a latent scale-invariant $R^2$, a novel measure of variation explained for an observed binary outcome…

统计方法学 · 统计学 2019-11-01 Debangan Dey , Vadim Zipunnikov

In this paper, we propose a new approach to applying point-level annotations for weakly-supervised panoptic segmentation. Instead of the dense pixel-level labels used by fully supervised methods, point-level labels only provide a single…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Junsong Fan , Zhaoxiang Zhang , Tieniu Tan

Open-vocabulary semantic segmentation requires assigning pixel-level semantic labels while supporting an open and unrestricted set of categories. Training-free CLIP-based approaches preserve strong zero-shot generalization but typically…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Mohamad Zamini , Diksha Shukla

Face segmentation is the task of densely labeling pixels on the face according to their semantics. While current methods place an emphasis on developing sophisticated architectures, use conditional random fields for smoothness, or rather…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Iacopo Masi , Joe Mathai , Wael AbdAlmageed

Patch-based image tokenization ignores the morphology of the visual world, limiting effective and efficient learning of image understanding. Inspired by subword tokenization, we introduce subobject-level adaptive token segmentation and…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Delong Chen , Samuel Cahyawijaya , Jianfeng Liu , Baoyuan Wang , Pascale Fung