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Given a text description, Temporal Language Grounding (TLG) aims to localize temporal boundaries of the segments that contain the specified semantics in an untrimmed video. TLG is inherently a challenging task, as it requires comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Fan Luo , Shaoxiang Chen , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang

Programmatic weak supervision (PWS) significantly reduces human effort for labeling data by combining the outputs of user-provided labeling functions (LFs) on unlabeled datapoints. However, the quality of the generated labels depends…

Machine Learning · Computer Science 2025-06-05 Chenjie Li , Amir Gilad , Boris Glavic , Zhengjie Miao , Sudeepa Roy

With video-level labels, weakly supervised temporal action localization (WTAL) applies a localization-by-classification paradigm to detect and classify the action in untrimmed videos. Due to the characteristic of classification,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Ziqiang Li , Yongxin Ge , Jiaruo Yu , Zhongming Chen

The rapid development of deep learning has made a great progress in image segmentation, one of the fundamental tasks of computer vision. However, the current segmentation algorithms mostly rely on the availability of pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Wei Shen , Zelin Peng , Xuehui Wang , Huayu Wang , Jiazhong Cen , Dongsheng Jiang , Lingxi Xie , Xiaokang Yang , Qi Tian

Enabling computational systems with the ability to localize actions in video-based content has manifold applications. Traditionally, such a problem is approached in a fully-supervised setting where video-clips with complete frame-by-frame…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Kurt Degiorgio , Fabio Cuzzolin

Wireless federated learning (FL) is an emerging machine learning paradigm that trains a global parametric model from distributed datasets via wireless communications. This paper proposes a unit-modulus wireless FL (UMWFL) framework, which…

Signal Processing · Electrical Eng. & Systems 2021-09-01 Shuai Wang , Dachuan Li , Rui Wang , Qi Hao , Yik-Chung Wu , Derrick Wing Kwan Ng

Parameter-efficient fine-tuning (PEFT) has emerged as a popular strategy for adapting large vision foundation models, such as the Segment Anything Model (SAM) and LLaVA, to downstream tasks like image forgery detection and localization…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Rongxuan Peng , Shunquan Tan , Chenqi Kong , Anwei Luo , Alex C. Kot , Jiwu Huang

Function-level binary code similarity detection is a crucial aspect of cybersecurity. It enables the detection of bugs and patent infringements in released software and plays a pivotal role in preventing supply chain attacks. A practical…

Cryptography and Security · Computer Science 2023-12-27 Sun RuiJin , Guo Shize , Guo Jinhong , Li Wei , Zhan Dazhi , Sun Meng , Pan Zhisong

Temporal human action detection aims to identify and localize action segments within untrimmed videos, serving as a pivotal task in video understanding. Despite the progress achieved by prior architectures like CNN and Transformer models,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yicheng Qiu , Keiji Yanai

Weakly Labelled learning has garnered lot of attention in recent years due to its potential to scale Sound Event Detection (SED) and is formulated as Multiple Instance Learning (MIL) problem. This paper proposes a Multi-Task Learning (MTL)…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-02 Soham Deshmukh , Bhiksha Raj , Rita Singh

Video semantic segmentation aims to generate accurate semantic maps for each video frame. To this end, many works dedicate to integrate diverse information from consecutive frames to enhance the features for prediction, where a feature…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Jiafan Zhuang , Zilei Wang , Junjie Li

Weakly Supervised Sound Event Detection (WSSED), which relies on audio tags without precise onset and offset times, has become prevalent due to the scarcity of strongly labeled data that includes exact temporal boundaries for events. This…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-08 Yuliang Zhang , Defeng , Huang , Roberto Togneri

Video copy localization aims to precisely localize all the copied segments within a pair of untrimmed videos in video retrieval applications. Previous methods typically start from frame-to-frame similarity matrix generated by cosine…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Sifeng He , Yue He , Minlong Lu , Chen Jiang , Xudong Yang , Feng Qian , Xiaobo Zhang , Lei Yang , Jiandong Zhang

We propose a weakly-supervised framework for action labeling in video, where only the order of occurring actions is required during training time. The key challenge is that the per-frame alignments between the input (video) and label…

Computer Vision and Pattern Recognition · Computer Science 2016-07-29 De-An Huang , Li Fei-Fei , Juan Carlos Niebles

Object detection when provided image-level labels instead of instance-level labels (i.e., bounding boxes) during training is an important problem in computer vision, since large scale image datasets with instance-level labels are extremely…

Computer Vision and Pattern Recognition · Computer Science 2017-03-01 Ziang Yan , Jian Liang , Weishen Pan , Jin Li , Changshui Zhang

Recent works in Task and Motion Planning (TAMP) show that training control policies on language-supervised robot trajectories with quality labeled data markedly improves agent task success rates. However, the scarcity of such data presents…

Robotics · Computer Science 2025-04-02 Jonathan Salfity , Selma Wanna , Minkyu Choi , Mitch Pryor

Slow feature analysis (SFA) is an unsupervised learning algorithm that extracts slowly varying features from a time series. Graph-based SFA (GSFA) is a supervised extension that can solve regression problems if followed by a post-processing…

Artificial Intelligence · Computer Science 2015-09-29 Alberto N. Escalante-B. , Laurenz Wiskott

With the rapid rise of Artificial Intelligence Generated Content (AIGC), image manipulation has become increasingly accessible, posing significant challenges for image forgery detection and localization (IFDL). In this paper, we study how…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Shaofeng Guo , Jiequan Cui , Richang Hong

Recent breakthroughs in Multimodal Large Language Models (MLLMs) have gained significant recognition within the deep learning community, where the fusion of the Video Foundation Models (VFMs) and Large Language Models(LLMs) has proven…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Quan Zhang , Jinwei Fang , Rui Yuan , Xi Tang , Yuxin Qi , Ke Zhang , Chun Yuan

In practical machine learning applications, it is often challenging to assign accurate labels to data, and increasing the number of labeled instances is often limited. In such cases, Weakly Supervised Learning (WSL), which enables training…

Machine Learning · Computer Science 2026-03-24 Tomoya Tate , Kosuke Sugiyama , Masato Uchida