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Large-scale vision-language pre-trained (VLP) models (e.g., CLIP) are renowned for their versatility, as they can be applied to diverse applications in a zero-shot setup. However, when these models are used in specific domains, their…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Anh-Quan Cao , Maximilian Jaritz , Matthieu Guillaumin , Raoul de Charette , Loris Bazzani

Recently, Multimodal Large Language Models (MLLMs) have achieved exceptional performance across diverse tasks, continually surpassing previous expectations regarding their capabilities. Nevertheless, their proficiency in perceiving emotions…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Daiqing Wu , Dongbao Yang , Sicheng Zhao , Can Ma , Yu Zhou

Reward models (RMs) are essential for training large language models (LLMs), but remain underexplored for omni models that handle interleaved image and text sequences. We introduce Multimodal RewardBench 2 (MMRB2), the first comprehensive…

Computation and Language · Computer Science 2026-01-21 Yushi Hu , Reyhane Askari-Hemmat , Melissa Hall , Emily Dinan , Luke Zettlemoyer , Marjan Ghazvininejad

Weakly supervised text classification methods typically train a deep neural classifier based on pseudo-labels. The quality of pseudo-labels is crucial to final performance but they are inevitably noisy due to their heuristic nature, so…

Computation and Language · Computer Science 2022-10-26 Dheeraj Mekala , Chengyu Dong , Jingbo Shang

Image-based product attribute prediction in e-commerce is a crucial task with numerous applications. The supervised fine-tuning of Vision Language Models (VLMs) faces significant scale challenges due to the cost of manual or API based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Mandar Kulkarni

Self-supervised learning is an effective way for label-free model pre-training, especially in the video domain where labeling is expensive. Existing self-supervised works in the video domain use varying experimental setups to demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh Singh Rawat

State-of-the-art large multi-modal models (LMMs) face challenges when processing high-resolution images, as these inputs are converted into enormous visual tokens, many of which are irrelevant to the downstream task. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Xinyu Huang , Yuhao Dong , Weiwei Tian , Bo Li , Rui Feng , Ziwei Liu

Class imbalance is a pervasive issue among classification models including deep learning, whose capacity to extract task-specific features is affected in imbalanced settings. However, the challenges of handling imbalance among a large…

Machine Learning · Computer Science 2018-10-31 Shin Ando

Fully convolutional networks (FCN) have achieved great success in human parsing in recent years. In conventional human parsing tasks, pixel-level labeling is required for guiding the training, which usually involves enormous human labeling…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Zhonghua Wu , Guosheng Lin , Jianfei Cai

Sequential video understanding, as an emerging video understanding task, has driven lots of researchers' attention because of its goal-oriented nature. This paper studies weakly supervised sequential video understanding where the accurate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Sixun Dong , Huazhang Hu , Dongze Lian , Weixin Luo , Yicheng Qian , Shenghua Gao

To improve the generalization of 3D human pose estimators, many existing deep learning based models focus on adding different augmentations to training poses. However, data augmentation techniques are limited to the "seen" pose combinations…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Cheng-Yen Yang , Jiajia Luo , Lu Xia , Yuyin Sun , Nan Qiao , Ke Zhang , Zhongyu Jiang , Jenq-Neng Hwang

This paper addresses a new problem of weakly-supervised online action segmentation in instructional videos. We present a framework to segment streaming videos online at test time using Dynamic Programming and show its advantages over greedy…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Reza Ghoddoosian , Isht Dwivedi , Nakul Agarwal , Chiho Choi , Behzad Dariush

Learning from large amounts of unsupervised data and a small amount of supervision is an important open problem in computer vision. We propose a new semi-supervised learning method, Semantic Positives via Pseudo-Labels (SemPPL), that…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Matko Bošnjak , Pierre H. Richemond , Nenad Tomasev , Florian Strub , Jacob C. Walker , Felix Hill , Lars Holger Buesing , Razvan Pascanu , Charles Blundell , Jovana Mitrovic

We introduce NimbleD, an efficient self-supervised monocular depth estimation learning framework that incorporates supervision from pseudo-labels generated by a large vision model. This framework does not require camera intrinsics, enabling…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Albert Luginov , Muhammad Shahzad

Dense anticipation aims to forecast future actions and their durations for long horizons. Existing approaches rely on fully-labelled data, i.e. sequences labelled with all future actions and their durations. We present a (semi-) weakly…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Haotong Zhang , Fuhai Chen , Angela Yao

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

EEG-based emotion recognition often requires sufficient labeled training samples to build an effective computational model. Labeling EEG data, on the other hand, is often expensive and time-consuming. To tackle this problem and reduce the…

Machine Learning · Computer Science 2021-07-29 Guangyi Zhang , Ali Etemad

Large vision-language models (LVLMs) achieve strong multimodal understanding, but their inference cost grows rapidly with the number of visual tokens, especially for high-resolution images and long videos. Existing attention-based methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Hongyu Lu , Feng Zhang , Wenwei Jin , Huanling Hu , Tianjun Shi , Shikai Jiang , Yao Hu , Jiawei Li

We consider the task of learning a classifier for semantic segmentation using weak supervision in the form of image labels which specify the object classes present in the image. Our method uses deep convolutional neural networks (CNNs) and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Qinbin Hou , Puneet Kumar Dokania , Daniela Massiceti , Yunchao Wei , Ming-Ming Cheng , Philip Torr

Weakly supervised segmentation requires assigning a label to every pixel based on training instances with partial annotations such as image-level tags, object bounding boxes, labeled points and scribbles. This task is challenging, as coarse…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Tsung-Wei Ke , Jyh-Jing Hwang , Stella X. Yu