中文
相关论文

相关论文: Large-Margin Learning of Submodular Summarization …

200 篇论文

Recent work shows that post-training datasets for LLMs can be substantially downsampled without noticeably deteriorating performance. However, data selection often incurs high computational costs or is limited to narrow domains. In this…

计算与语言 · 计算机科学 2025-09-25 Paramita Mirza , Lucas Weber , Fabian Küch

We present an efficient subpixel refinement method usinga learning-based approach called Linear Predictors. Two key ideas are shown in this paper. Firstly, we present a novel technique, called Symbolic Linear Predictors, which makes the…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Vincent Lui , Jonathon Geeves , Winston Yii , Tom Drummond

Recently, it has become evident that submodularity naturally captures widely occurring concepts in machine learning, signal processing and computer vision. Consequently, there is need for efficient optimization procedures for submodular…

机器学习 · 计算机科学 2013-11-19 Stefanie Jegelka , Francis Bach , Suvrit Sra

This paper addresses the problem of sequential submodular maximization: selecting and ranking items in a sequence to optimize some composite submodular function. In contrast to most of the previous works, which assume access to the utility…

机器学习 · 计算机科学 2024-09-10 Jing Yuan , Shaojie Tang

Majorization-minimization algorithms consist of successively minimizing a sequence of upper bounds of the objective function. These upper bounds are tight at the current estimate, and each iteration monotonically drives the objective…

最优化与控制 · 数学 2015-02-03 Julien Mairal

In this paper, we introduce a discrete variant of the meta-learning framework. Meta-learning aims at exploiting prior experience and data to improve performance on future tasks. By now, there exist numerous formulations for meta-learning in…

机器学习 · 计算机科学 2021-01-12 Arman Adibi , Aryan Mokhtari , Hamed Hassani

We present a practical and powerful new framework for both unconstrained and constrained submodular function optimization based on discrete semidifferentials (sub- and super-differentials). The resulting algorithms, which repeatedly compute…

数据结构与算法 · 计算机科学 2013-08-13 Rishabh Iyer , Stefanie Jegelka , Jeff Bilmes

Automatic sentence summarization produces a shorter version of a sentence, while preserving its most important information. A good summary is characterized by language fluency and high information overlap with the source sentence. We model…

计算与语言 · 计算机科学 2020-05-06 Raphael Schumann , Lili Mou , Yao Lu , Olga Vechtomova , Katja Markert

Multi-Modal Self-Supervised Learning from videos has been shown to improve model's performance on various downstream tasks. However, such Self-Supervised pre-training requires large batch sizes and a large amount of computation resources…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Duo Wang , Salah Karout

One of the main challenges for feature representation in deep learning-based classification is the design of appropriate loss functions that exhibit strong discriminative power. The classical softmax loss does not explicitly encourage…

计算机视觉与模式识别 · 计算机科学 2022-06-24 Xiong Zhou , Xianming Liu , Deming Zhai , Junjun Jiang , Xin Gao , Xiangyang Ji

Recently self supervised learning has seen explosive growth and use in variety of machine learning tasks because of its ability to avoid the cost of annotating large-scale datasets. This paper gives an overview for best self supervised…

机器学习 · 计算机科学 2022-10-21 Naman Goyal

Existing self-supervised learning methods learn representation by means of pretext tasks which are either (1) discriminating that explicitly specify which features should be separated or (2) aligning that precisely indicate which features…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Anjan Dutta , Massimiliano Mancini , Zeynep Akata

A number of discrete and continuous optimization problems in machine learning are related to convex minimization problems under submodular constraints. In this paper, we deal with a submodular function with a directed graph structure, and…

机器学习 · 计算机科学 2013-09-27 Kiyohito Nagano , Yoshinobu Kawahara

Vision transformers combined with self-supervised learning have enabled the development of models which scale across large datasets for several downstream tasks like classification, segmentation and detection. The low-shot learning…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Srinivasa Rao Nandam , Sara Atito , Zhenhua Feng , Josef Kittler , Muhammad Awais

Submodular functions can be exactly minimized in polynomial time, and the special case that graph cuts solve with max flow \cite{KZ:PAMI04} has had significant impact in computer vision \cite{BVZ:PAMI01,Kwatra:SIGGRAPH03,Rother:GrabCut04}.…

计算机视觉与模式识别 · 计算机科学 2013-10-02 Alexander Fix , Thorsten Joachims , Sam Park , Ramin Zabih

Self-Supervised Learning (SSL) methods harness the concept of semantic invariance by utilizing data augmentation strategies to produce similar representations for different deformations of the same input. Essentially, the model captures the…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Huijie Guo , Ying Ba , Jie Hu , Lingyu Si , Wenwen Qiang , Lei Shi

We present two practical improvement techniques for unsupervised segmentation learning. These techniques address limitations in the resolution and accuracy of predicted segmentation maps of recent state-of-the-art methods. Firstly, we…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Alp Eren Sari , Francesco Locatello , Paolo Favaro

Recent advances in summarization research focus on improving summary quality across multiple criteria, such as completeness, conciseness, and faithfulness, by jointly optimizing these dimensions. However, these efforts largely overlook the…

计算与语言 · 计算机科学 2026-04-21 Hongye Liu , Liang Ding , Ricardo Henao

In this paper, we propose a novel probabilistic self-supervised learning via Scoring Rule Minimization (ProSMIN), which leverages the power of probabilistic models to enhance representation quality and mitigate collapsing representations.…

机器学习 · 计算机科学 2023-09-06 Amirhossein Vahidi , Simon Schoßer , Lisa Wimmer , Yawei Li , Bernd Bischl , Eyke Hüllermeier , Mina Rezaei

We present a novel incremental learning approach for unsupervised word segmentation that combines features from probabilistic modeling and model selection. This includes super-additive penalties for addressing the cognitive burden imposed…

计算与语言 · 计算机科学 2016-09-26 Ruey-Cheng Chen