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Vision-Language Models (VLMs) such as CLIP are trained on large amounts of image-text pairs, resulting in remarkable generalization across several data distributions. However, in several cases, their expensive training and data…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Sravanti Addepalli , Ashish Ramayee Asokan , Lakshay Sharma , R. Venkatesh Babu

Current 3D semi-supervised segmentation methods face significant challenges such as limited consideration of contextual information and the inability to generate reliable pseudo-labels for effective unsupervised data use. To address these…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Sanaz Karimijafarbigloo , Reza Azad , Yury Velichko , Ulas Bagci , Dorit Merhof

Convolutional Neural Networks (CNNs) are prone to overfit small training datasets. We present a novel two-phase pipeline that leverages self-supervised learning and knowledge distillation to improve the generalization ability of CNN models…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Bingchen Zhao , Xin Wen

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.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Jiayi Song , Kaiyu Li , Xiangyong Cao , Deyu Meng

Multimodal models, such as the Contrastive Language-Image Pre-training (CLIP) model, have demonstrated remarkable success in aligning visual and linguistic representations. However, these models exhibit limitations when applied to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hiroshi Sasaki

In this work, we propose a method that leverages CLIP feature distillation, achieving efficient 3D segmentation through language guidance. Unlike previous methods that rely on multi-scale CLIP features and are limited by processing speed…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Xingyu Miao , Haoran Duan , Yang Bai , Tejal Shah , Jun Song , Yang Long , Rajiv Ranjan , Ling Shao

This paper addresses the critical challenges of sparsity and occlusion in LiDAR-based 3D object detection. Current methods often rely on supplementary modules or specific architectural designs, potentially limiting their applicability to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Alexander Gambashidze , Aleksandr Dadukin , Maksim Golyadkin , Maria Razzhivina , Ilya Makarov

Creating 3D content from single-view images is a challenging problem that has attracted considerable attention in recent years. Current approaches typically utilize score distillation sampling (SDS) from pre-trained 2D diffusion models to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Junbang Liu , Enpei Huang , Dongxing Mao , Hui Zhang , Xinyuan Song , Yongxin Ni

Weakly supervised instance labeling using only image-level labels, in lieu of expensive fine-grained pixel annotations, is crucial in several applications including medical image analysis. In contrast to conventional instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Jayaraman J. Thiagarajan , Satyananda Kashyap , Alexandros Karagyris

Dominant dual-encoder models enable efficient image-text retrieval but suffer from limited accuracy while the cross-encoder models offer higher accuracy at the expense of efficiency. Distilling cross-modality matching knowledge from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Yuxin Chen , Zongyang Ma , Ziqi Zhang , Zhongang Qi , Chunfeng Yuan , Bing Li , Junfu Pu , Ying Shan , Xiaojuan Qi , Weiming Hu

Knowledge Distillation (KD) aims to transfer knowledge from a large teacher model to a smaller student model. While contrastive learning has shown promise in self-supervised learning by creating discriminative representations, its…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Nikolaos Giakoumoglou , Tania Stathaki

The deployment of large language models (LLMs) faces considerable challenges concerning resource constraints and inference efficiency. Recent research has increasingly focused on smaller, task-specific models enhanced by distilling…

Computation and Language · Computer Science 2024-09-20 Wei Wang , Zhaowei Li , Qi Xu , Yiqing Cai , Hang Song , Qi Qi , Ran Zhou , Zhida Huang , Tao Wang , Li Xiao

High-quality annotation of fine-grained visual categories demands great expert knowledge, which is taxing and time consuming. Alternatively, learning fine-grained visual representation from enormous unlabeled images (e.g., species, brands)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Qi Bi , Wei Ji , Jingjun Yi , Haolan Zhan , Gui-Song Xia

Recently, a multitude of methods for image-to-image translation have demonstrated impressive results on problems such as multi-domain or multi-attribute transfer. The vast majority of such works leverages the strengths of adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 James Oldfield , Yannis Panagakis , Mihalis A. Nicolaou

Self-supervised visual pre-training methods face an inherent tension: contrastive learning (CL) captures global semantics but loses fine-grained detail, while masked image modeling (MIM) preserves local textures but suffers from "attention…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Wenzhao Xiang , Yue Wu , Hongyang Yu , Feng Gao , Fan Yang , Xilin Chen

Fine-grained classification involves dealing with datasets with larger number of classes with subtle differences between them. Guiding the model to focus on differentiating dimensions between these commonly confusable classes is key to…

Computation and Language · Computer Science 2021-09-14 Varsha Suresh , Desmond C. Ong

Recently, contrastive learning has achieved great results in self-supervised learning, where the main idea is to push two augmentations of an image (positive pairs) closer compared to other random images (negative pairs). We argue that not…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Ajinkya Tejankar , Soroush Abbasi Koohpayegani , Vipin Pillai , Paolo Favaro , Hamed Pirsiavash

The LiDAR 3D object detector that strikes a balance between accuracy and speed is crucial for achieving real-time perception in autonomous driving. However, many existing LiDAR detection models depend on complex feature transformations,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Rui Yu , Runkai Zhao , Jiagen Li , Qingsong Zhao , HuaiCheng Yan , Meng Wang

Text-to-3D generation based on score distillation of pre-trained 2D diffusion models has gained increasing interest, with variational score distillation (VSD) as a remarkable example. VSD proves that vanilla score distillation can be…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yu Lei , Bingde Liu , Qingsong Xie , Haonan Lu , Zhijie Deng

Prevailing deep graph learning models often suffer from label sparsity issue. Although many graph few-shot learning (GFL) methods have been developed to avoid performance degradation in face of limited annotated data, they excessively rely…

Machine Learning · Computer Science 2022-10-04 Chunhui Zhang , Hongfu Liu , Jundong Li , Yanfang Ye , Chuxu Zhang
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