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In recent years, the parameters of backbones of Video Understanding tasks continue to increase and even reach billion-level. Whether fine-tuning a specific task on the Video Foundation Model or pre-training the model designed for the…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Zeyi Bo , Wuxi Sun , Ye Jin

Meta learning with multiple objectives can be formulated as a Multi-Objective Bi-Level optimization Problem (MOBLP) where the upper-level subproblem is to solve several possible conflicting targets for the meta learner. However, existing…

机器学习 · 计算机科学 2021-02-16 Feiyang Ye , Baijiong Lin , Zhixiong Yue , Pengxin Guo , Qiao Xiao , Yu Zhang

While standard reinforcement learning optimizes a single reward signal, many applications require optimizing a nonlinear utility $f(J_1^\pi,\dots,J_M^\pi)$ over multiple objectives, where each $J_m^\pi$ denotes the expected discounted…

机器学习 · 计算机科学 2026-03-10 Swetha Ganesh , Vaneet Aggarwal

Multi-task learning solves multiple correlated tasks. However, conflicts may exist between them. In such circumstances, a single solution can rarely optimize all the tasks, leading to performance trade-offs. To arrive at a set of optimized…

人工智能 · 计算机科学 2024-03-26 Lu Bai , Abhishek Gupta , Yew-Soon Ong

We introduce MultiDepth, a novel training strategy and convolutional neural network (CNN) architecture that allows approaching single-image depth estimation (SIDE) as a multi-task problem. SIDE is an important part of road scene…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Lukas Liebel , Marco Körner

Human beings can leverage knowledge from relative tasks to improve learning on a primary task. Similarly, multi-task learning methods suggest using auxiliary tasks to enhance a neural network's performance on a specific primary task.…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Yuanze Li , Chun-Mei Feng , Qilong Wang , Guanglei Yang , Wangmeng Zuo

A novel gradient boosting framework is proposed where shallow neural networks are employed as ``weak learners''. General loss functions are considered under this unified framework with specific examples presented for classification,…

机器学习 · 计算机科学 2020-06-16 Sarkhan Badirli , Xuanqing Liu , Zhengming Xing , Avradeep Bhowmik , Khoa Doan , Sathiya S. Keerthi

Many engineering problems have multiple objectives, and the overall aim is to optimize a non-linear function of these objectives. In this paper, we formulate the problem of maximizing a non-linear concave function of multiple long-term…

机器学习 · 计算机科学 2025-09-23 Qinbo Bai , Mridul Agarwal , Vaneet Aggarwal

Pre-training techniques play a crucial role in deep learning, enhancing models' performance across a variety of tasks. By initially training on large datasets and subsequently fine-tuning on task-specific data, pre-training provides a solid…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Fulong Ma , Guoyang Zhao , Weiqing Qi , Ming Liu , Jun Ma

For text-to-video retrieval (T2VR), which aims to retrieve unlabeled videos by ad-hoc textual queries, CLIP-based methods are dominating. Compared to CLIP4Clip which is efficient and compact, the state-of-the-art models tend to compute…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Kaibin Tian , Ruixiang Zhao , Hu Hu , Runquan Xie , Fengzong Lian , Zhanhui Kang , Xirong Li

Advancing towards generalist agents necessitates the concurrent processing of multiple tasks using a unified model, thereby underscoring the growing significance of simultaneous model training on multiple downstream tasks. A common issue in…

机器学习 · 计算机科学 2024-11-28 Zhi Zhang , Jiayi Shen , Congfeng Cao , Gaole Dai , Shiji Zhou , Qizhe Zhang , Shanghang Zhang , Ekaterina Shutova

In industrial recommendation systems, multi-task learning (learning multiple tasks simultaneously on a single model) is a predominant approach to save training/serving resources and improve recommendation performance via knowledge transfer…

Model-agnostic meta-learning (MAML) is a well-known optimization-based meta-learning algorithm that works well in various computer vision tasks, e.g., few-shot classification. MAML is to learn an initialization so that a model can adapt to…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Sanghyuk Lee , Seunghyun Lee , Byung Cheol Song

The training of deep neural networks predominantly relies on a combination of gradient-based optimisation and back-propagation for the computation of the gradient. While incredibly successful, this approach faces challenges such as…

机器学习 · 计算机科学 2026-02-09 Xiaoyu Wang , Alexandra Valavanis , Azhir Mahmood , Andreas Mang , Martin Benning , Audrey Repetti

Fine-Grained Change Detection and Regression Analysis are essential in many applications of ArtificialIntelligence. In practice, this task is often challenging owing to the lack of reliable ground truth information andcomplexity arising…

机器学习 · 计算机科学 2022-08-12 Niall O' Mahony , Sean Campbell , Lenka Krpalkova , Joseph Walsh , Daniel Riordan

Multi-task learning has recently become a very active field in deep learning research. In contrast to learning a single task in isolation, multiple tasks are learned at the same time, thereby utilizing the training signal of related tasks…

计算与语言 · 计算机科学 2019-04-24 Tobias Kahse

Multi-view action recognition aims to identify actions in a given multi-view scene. Traditional studies initially extracted refined features from each view, followed by implemented paired interaction and integration, but they potentially…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Yingyuan Yang , Guoyuan Liang , Can Wang , Xiaojun Wu

Contrastive image-text pre-trained models such as CLIP have shown remarkable adaptability to downstream tasks. However, they face challenges due to the high computational requirements of the Vision Transformer (ViT) backbone. Current…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Cheng-En Wu , Jinhong Lin , Yu Hen Hu , Pedro Morgado

Training a single model on multiple input domains and/or output tasks allows for compressing information from multiple sources into a unified backbone hence improves model efficiency. It also enables potential positive knowledge transfer…

机器学习 · 计算机科学 2023-10-16 Amelie Royer , Tijmen Blankevoort , Babak Ehteshami Bejnordi

As machine learning becomes more prominent there is a growing demand to perform several inference tasks in parallel. Running a dedicated model for each task is computationally expensive and therefore there is a great interest in multi-task…

机器学习 · 计算机科学 2024-05-14 Idan Achituve , Idit Diamant , Arnon Netzer , Gal Chechik , Ethan Fetaya