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We introduce AdaCoSeg, a deep neural network architecture for adaptive co-segmentation of a set of 3D shapes represented as point clouds. Differently from the familiar single-instance segmentation problem, co-segmentation is intrinsically…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Chenyang Zhu , Kai Xu , Siddhartha Chaudhuri , Li Yi , Leonidas Guibas , Hao Zhang

Currently, density-based clustering algorithms are widely applied because they can detect clusters with arbitrary shapes. However, they perform poorly in measuring global density, determining reasonable cluster centers or structures,…

机器学习 · 计算机科学 2023-11-02 Mingjie Cai , Zhishan Wu , Qingguo Li , Feng Xu , Jie Zhou

Cascaded AdaBoost classifier is a well-known efficient object detection algorithm. The cascade structure has many parameters to be determined. Most of existing cascade learning algorithms are designed by assigning detection rate and false…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Yanwei Pang , Jiale Cao , Xuelong Li

The integration of dynamic, sparse structures like Mixture-of-Experts (MoE) with parameter-efficient adapters (e.g., LoRA) is a powerful technique for enhancing Large Language Models (LLMs). However, this architectural enhancement comes at…

人工智能 · 计算机科学 2026-03-13 Qiyang Li , Rui Kong , Yuchen Li , Hengyi Cai , Shuaiqiang Wang , Linghe Kong , Guihai Chen , Dawei Yin

Contemporary deep learning, characterized by the training of cumbersome neural networks on massive datasets, confronts substantial computational hurdles. To alleviate heavy data storage burdens on limited hardware resources, numerous…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Muquan Li , Dongyang Zhang , Qiang Dong , Xiurui Xie , Ke Qin

This paper presents AdaChain, a learning-based blockchain framework that adaptively chooses the best permissioned blockchain architecture in order to optimize effective throughput for dynamic transaction workloads. AdaChain addresses the…

密码学与安全 · 计算机科学 2023-07-19 Chenyuan Wu , Bhavana Mehta , Mohammad Javad Amiri , Ryan Marcus , Boon Thau Loo

Deep self-expressiveness-based subspace clustering methods have demonstrated effectiveness. However, existing works only consider the attribute information to conduct the self-expressiveness, which may limit the clustering performance. In…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Zhihao Peng , Hui Liu , Yuheng Jia , Junhui Hou

We study a new aggregation operator for gradients coming from a mini-batch for stochastic gradient (SG) methods that allows a significant speed-up in the case of sparse optimization problems. We call this method AdaBatch and it only…

机器学习 · 计算机科学 2017-11-07 Alexandre Défossez , Francis Bach

Based on the use of different exponential bases to define class-dependent error bounds, a new and highly efficient asymmetric boosting scheme, coined as AdaBoostDB (Double-Base), is proposed. Supported by a fully theoretical derivation…

计算机视觉与模式识别 · 计算机科学 2015-07-09 Iago Landesa-Vázquez , José Luis Alba-Castro

Density-based clustering is a commonly used tool in data science. Today many data science works are utilizing high-dimensional neural embeddings. However, traditional density-based clustering techniques like DBSCAN have a degraded…

信息检索 · 计算机科学 2023-02-08 Yifan Wang , Daisy Zhe Wang

Density-based clustering is the most popular clustering algorithm since it can identify clusters of arbitrary shape as long as they are separated by low-density regions. However, a high-density region that is not separated by low-density…

机器学习 · 计算机科学 2025-02-17 Hao Shu

We present a new algorithm for the widely used density-based clustering method DBscan. Our algorithm computes the DBscan-clustering in $O(n\log n)$ time in $\mathbb{R}^2$, irrespective of the scale parameter $\varepsilon$ (and assuming the…

计算几何 · 计算机科学 2017-03-01 Mark de Berg , Ade Gunawan , Marcel Roeloffzen

In this paper, we introduce AdaSelection, an adaptive sub-sampling method to identify the most informative sub-samples within each minibatch to speed up the training of large-scale deep learning models without sacrificing model performance.…

机器学习 · 计算机科学 2023-06-21 Minghe Zhang , Chaosheng Dong , Jinmiao Fu , Tianchen Zhou , Jia Liang , Jia Liu , Bo Liu , Michinari Momma , Bryan Wang , Yan Gao , Yi Sun

Complex reasoning problems contain states that vary in the computational cost required to determine a good action plan. Taking advantage of this property, we propose Adaptive Subgoal Search (AdaSubS), a search method that adaptively adjusts…

We propose a novel perspective on varied-density clustering for high-dimensional data by framing it as a label propagation process in neighborhood graphs that adapt to local density variations. Our method formally connects density-based…

机器学习 · 计算机科学 2025-08-06 Ninh Pham , Yingtao Zheng , Hugo Phibbs

Recent years have witnessed the increasing application of place recognition in various environments, such as city roads, large buildings, and a mix of indoor and outdoor places. This task, however, still remains challenging due to the…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Haowen Lai , Peng Yin , Sebastian Scherer

Economic policy and research rely on the correct evaluation of the billions of high-frequency data points that we collect every day. Consistent clustering algorithms, like DBSCAN, allow us to make sense of the data in a useful way. However,…

统计理论 · 数学 2024-03-25 Nicholas Waltz

In this paper, we present a novel non-parametric clustering technique. Our technique is based on the notion that each latent cluster is comprised of layers that surround its core, where the external layers, or border points, implicitly…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Hadar Averbuch-Elor , Nadav Bar , Daniel Cohen-Or

We introduce AdaSub, a stochastic optimization algorithm that computes a search direction based on second-order information in a low-dimensional subspace that is defined adaptively based on available current and past information. Compared…

最优化与控制 · 数学 2023-11-08 João Victor Galvão da Mata , Martin S. Andersen

Generalized Category Discovery (GCD) tackles the challenging problem of categorizing unlabeled images into both known and novel classes within a partially labeled dataset, without prior knowledge of the number of unknown categories.…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Mingfu Yan , Jiancheng Huang , Yifan Liu , Shifeng Chen