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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…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Iacopo Masi , Joe Mathai , Wael AbdAlmageed

Contrastive learning (CL) has become a cornerstone of self-supervised pretraining (SSP) in foundation models, however, extending CL to pixel-wise representation, crucial for medical vision, remains an open problem. Standard CL formulates…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Yuting He , Shuo Li

Annotating large-scale point clouds is highly time-consuming and often infeasible for many complex real-world tasks. Point cloud pre-training has therefore become a promising strategy for learning discriminative representations without…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Guofeng Mei , Xiaoshui Huang , Juan Liu , Jian Zhang , Qiang Wu

Existed pre-trained models have achieved state-of-the-art performance on various text classification tasks. These models have proven to be useful in learning universal language representations. However, the semantic discrepancy between…

Machine Learning · Computer Science 2022-01-07 Jinhe Lan , Qingyuan Zhan , Chenhao Jiang , Kunping Yuan , Desheng Wang

Many recent approaches in contrastive learning have worked to close the gap between pretraining on iconic images like ImageNet and pretraining on complex scenes like COCO. This gap exists largely because commonly used random crop…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Renhao Wang , Hang Zhao , Yang Gao

Deep neural networks have achieved remarkable success across a variety of tasks, yet they often suffer from unreliable probability estimates. As a result, they can be overconfident in their predictions. Conformal Prediction (CP) offers a…

Existing continual relation learning (CRL) methods rely on plenty of labeled training data for learning a new task, which can be hard to acquire in real scenario as getting large and representative labeled data is often expensive and…

Computation and Language · Computer Science 2022-03-07 Chengwei Qin , Shafiq Joty

We present two practical improvement techniques for unsupervised segmentation learning. These techniques address limitations in the resolution and accuracy of predicted segmentation maps of recent state-of-the-art methods. Firstly, we…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Alp Eren Sari , Francesco Locatello , Paolo Favaro

Fine-grained remote sensing datasets often use hierarchical label structures to differentiate objects in a coarse-to-fine manner, with each object annotated across multiple levels. However, embedding this semantic hierarchy into the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Jingzhou Chen , Dexin Chen , Fengchao Xiong , Yuntao Qian , Liang Xiao

Contrastive learning produces coherent semantic feature embeddings by encouraging positive samples to cluster closely while separating negative samples. However, existing contrastive learning methods lack principled guarantees on coverage…

Machine Learning · Computer Science 2026-03-30 Yahya Alkhatib , Wee Peng Tay

Learning discriminative representations of unlabelled data is a challenging task. Contrastive self-supervised learning provides a framework to learn meaningful representations using learned notions of similarity measures from simple pretext…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Nicklas Boserup , Raghavendra Selvan

Generalized Few-shot Semantic Segmentation (GFSS) aims to segment each image pixel into either base classes with abundant training examples or novel classes with only a handful of (e.g., 1-5) training images per class. Compared to the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Zhihe Lu , Sen He , Da Li , Yi-Zhe Song , Tao Xiang

Continual learning (CL) enables models to adapt to evolving data streams without catastrophic forgetting, a fundamental requirement for real-world AI systems. However, the current methods often depend on large replay buffers or heavily…

Machine Learning · Computer Science 2025-11-14 Indu Solomon , Aye Phyu Phyu Aung , Uttam Kumar , Senthilnath Jayavelu

Cross-domain recommendation (CDR) is a task that aims to improve the recommendation performance in a target domain by leveraging the information from source domains. Contrastive learning methods have been widely adopted among intra-domain…

Information Retrieval · Computer Science 2025-02-25 Heng Chang , Liang Gu , Cheng Hu , Zhinan Zhang , Hong Zhu , Yuhui Xu , Yuan Fang , Zhen Chen

Detectingandsegmentingobjectswithinwholeslideimagesis essential in computational pathology workflow. Self-supervised learning (SSL) is appealing to such annotation-heavy tasks. Despite the extensive benchmarks in natural images for dense…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Jiawei Yang , Hanbo Chen , Yuan Liang , Junzhou Huang , Lei He , Jianhua Yao

Weakly-Supervised Semantic Segmentation (WSSS) aims to train segmentation models using image data with only image-level supervision. Since precise pixel-level annotations are not accessible, existing methods typically focus on producing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ci-Siang Lin , Chien-Yi Wang , Yu-Chiang Frank Wang , Min-Hung Chen

Continual learning aims to learn new tasks incrementally using less computation and memory resources instead of retraining the model from scratch whenever new task arrives. However, existing approaches are designed in supervised fashion…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Jiangpeng He , Fengqing Zhu

Recent work has shown the potential of graph neural networks to efficiently predict material properties, enabling high-throughput screening of materials. Training these models, however, often requires large quantities of labelled data,…

Machine Learning · Computer Science 2022-11-28 Teddy Koker , Keegan Quigley , Will Spaeth , Nathan C. Frey , Lin Li

Open-vocabulary 6D object pose estimation empowers robots to manipulate arbitrary unseen objects guided solely by natural language. However, a critical limitation of existing approaches is their reliance on unconstrained global matching…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yu Qin , Shimeng Fan , Fan Yang , Zixuan Xue , Zijie Mai , Wenrui Chen , Kailun Yang , Zhiyong Li

Mitochondria segmentation in electron microscopy images is essential in neuroscience. However, due to the image degradation during the imaging process, the large variety of mitochondrial structures, as well as the presence of noise,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Zhili Li , Xuejin Chen , Jie Zhao , Zhiwei Xiong