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This work identifies a simple pre-training mechanism that leads to representations exhibiting better continual and transfer learning. This mechanism -- the repeated resetting of weights in the last layer, which we nickname "zapping" -- was…

机器学习 · 计算机科学 2024-10-22 Lapo Frati , Neil Traft , Jeff Clune , Nick Cheney

Pre-trained vision models (PVMs) have demonstrated remarkable adaptability across a wide range of downstream vision tasks, showcasing exceptional performance. However, as these models scale to billions or even trillions of parameters,…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Yi Xin , Jianjiang Yang , Siqi Luo , Yuntao Du , Qi Qin , Kangrui Cen , Yangfan He , Zhiwei Zhang , Bin Fu , Xiaokang Yang , Guangtao Zhai , Ming-Hsuan Yang , Xiaohong Liu

Efficiently merging several models fine-tuned for different tasks, but stemming from the same pretrained base model, is of great practical interest. Despite extensive prior work, most evaluations of model merging in computer vision are…

When an agent encounters a continual stream of new tasks in the lifelong learning setting, it leverages the knowledge it gained from the earlier tasks to help learn the new tasks better. In such a scenario, identifying an efficient…

机器学习 · 计算机科学 2022-08-31 Pranshu Malviya , Balaraman Ravindran , Sarath Chandar

Directly parameterizing and learning gradients of functions has widespread significance, with specific applications in inverse problems, generative modeling, and optimal transport. This paper introduces gradient networks (GradNets): novel…

机器学习 · 计算机科学 2025-01-28 Shreyas Chaudhari , Srinivasa Pranav , José M. F. Moura

Thanks to the recent achievements in task-driven image quality enhancement (IQE) models like ESTR, the image enhancement model and the visual recognition model can mutually enhance each other's quantitation while producing high-quality…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Dong Zhang , Kwang-Ting Cheng

The success of gradient-based meta-learning is primarily attributed to its ability to leverage related tasks to learn task-invariant information. However, the absence of interactions between different tasks in the inner loop leads to…

机器学习 · 计算机科学 2023-12-15 Oscar Chang , Hod Lipson

This paper investigates an under-explored but important problem: given a collection of pre-trained neural networks, predicting their performance on each multi-modal task without fine-tuning them, such as image recognition, referring,…

机器学习 · 计算机科学 2023-08-14 Fanqing Meng , Wenqi Shao , Zhanglin Peng , Chonghe Jiang , Kaipeng Zhang , Yu Qiao , Ping Luo

Task-specific scores are often used to optimize for and evaluate the performance of conditional text generation systems. However, such scores are non-differentiable and cannot be used in the standard supervised learning paradigm. Hence,…

机器学习 · 计算机科学 2019-09-10 James O' Neill , Danushka Bollegala

We build a theoretical framework for designing and understanding practical meta-learning methods that integrates sophisticated formalizations of task-similarity with the extensive literature on online convex optimization and sequential…

机器学习 · 计算机科学 2019-12-10 Mikhail Khodak , Maria-Florina Balcan , Ameet Talwalkar

Code generation aims to generate a code snippet automatically from natural language descriptions. Generally, the mainstream code generation methods rely on a large amount of paired training data, including both the natural language…

软件工程 · 计算机科学 2022-08-24 Sijie Shen , Xiang Zhu , Yihong Dong , Qizhi Guo , Yankun Zhen , Ge Li

Cross-Domain Few-Shot Learning~(CDFSL) methods typically parameterize models with task-agnostic and task-specific parameters. To adapt task-specific parameters, recent approaches have utilized fixed optimization strategies, despite their…

机器学习 · 计算机科学 2024-12-23 Suhyun Kang , Jungwon Park , Wonseok Lee , Wonjong Rhee

Pre-trained machine learning (ML) models have shown great performance for a wide range of applications, in particular in natural language processing (NLP) and computer vision (CV). Here, we study how pre-training could be used for…

An increasing amount of applications rely on data-driven models that are deployed for perception tasks across a sequence of scenes. Due to the mismatch between training and deployment data, adapting the model on the new scenes is often…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Zhizheng Liu , Francesco Milano , Jonas Frey , Roland Siegwart , Hermann Blum , Cesar Cadena

Rearrangement tasks have been identified as a crucial challenge for intelligent robotic manipulation, but few methods allow for precise construction of unseen structures. We propose a visual foresight model for pick-and-place rearrangement…

机器人学 · 计算机科学 2022-07-28 Hongtao Wu , Jikai Ye , Xin Meng , Chris Paxton , Gregory Chirikjian

Models trained on different datasets can be merged by a weighted-averaging of their parameters, but why does it work and when can it fail? Here, we connect the inaccuracy of weighted-averaging to mismatches in the gradients and propose a…

机器学习 · 计算机科学 2024-08-26 Nico Daheim , Thomas Möllenhoff , Edoardo Maria Ponti , Iryna Gurevych , Mohammad Emtiyaz Khan

Deep neural networks have shown to be very vulnerable to adversarial examples crafted by adding human-imperceptible perturbations to benign inputs. After achieving impressive attack success rates in the white-box setting, more focus is…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Xu Han , Anmin Liu , Yifeng Xiong , Yanbo Fan , Kun He

It has become a popular paradigm to transfer the knowledge of large-scale pre-trained models to various downstream tasks via fine-tuning the entire model parameters. However, with the growth of model scale and the rising number of…

机器学习 · 计算机科学 2023-05-18 Anchun Gui , Jinqiang Ye , Han Xiao

Finetuning a pretrained model has become a standard approach for training neural networks on novel tasks, resulting in fast convergence and improved performance. In this work, we study an alternative finetuning method, where instead of…

机器学习 · 计算机科学 2023-07-04 Gal Kaplun , Andrey Gurevich , Tal Swisa , Mazor David , Shai Shalev-Shwartz , Eran Malach

Deep neural networks require a large amount of labeled training data during supervised learning. However, collecting and labeling so much data might be infeasible in many cases. In this paper, we introduce a source-target selective joint…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Weifeng Ge , Yizhou Yu