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Related papers: Bag of Negatives for Siamese Architectures

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Authorship attribution is the process of identifying the author of a text. Approaches to tackling it have been conventionally divided into classification-based ones, which work well for small numbers of candidate authors, and…

Computation and Language · Computer Science 2021-05-18 Chakaveh Saedi , Mark Dras

In this paper, we provide an intuitive viewing to simplify the Siamese-based trackers by converting the tracking task to a classification. Under this viewing, we perform an in-depth analysis for them through visual simulations and real…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Xingping Dong , Jianbing Shen , Fatih Porikli , Jiebo Luo , Ling Shao

Percolation theory serves as a cornerstone for studying phase transitions and critical phenomena, with broad implications in statistical physics, materials science, and complex networks. However, most machine learning frameworks for…

Disordered Systems and Neural Networks · Physics 2025-07-22 Shanshan Wang , Dian Xu , Jianmin Shen , Feng Gao , Wei Li , Weibing Deng

Many problems in science and engineering involve optimizing an expensive black-box function over a high-dimensional space. For such black-box optimization (BBO) problems, we typically assume a small budget for online function evaluations,…

Machine Learning · Computer Science 2023-08-22 Siddarth Krishnamoorthy , Satvik Mehul Mashkaria , Aditya Grover

Out-of-distribution (OoD) detection techniques for deep neural networks (DNNs) become crucial thanks to their filtering of abnormal inputs, especially when DNNs are used in safety-critical applications and interact with an open and dynamic…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Changshun Wu , Weicheng He , Chih-Hong Cheng , Xiaowei Huang , Saddek Bensalem

Siamese networks have drawn great attention in visual tracking because of their balanced accuracy and speed. However, the backbone networks used in Siamese trackers are relatively shallow, such as AlexNet [18], which does not fully take…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Zhipeng Zhang , Houwen Peng

Best-of-N (BoN) sampling with a reward model has been shown to be an effective strategy for aligning Large Language Models (LLMs) with human preferences at the time of decoding. BoN sampling is susceptible to a problem known as reward…

Computation and Language · Computer Science 2025-02-19 Yuki Ichihara , Yuu Jinnai , Tetsuro Morimura , Kaito Ariu , Kenshi Abe , Mitsuki Sakamoto , Eiji Uchibe

The use of supervised Machine Learning (ML) to enhance Intrusion Detection Systems has been the subject of significant research. Supervised ML is based upon learning by example, demanding significant volumes of representative instances for…

Cryptography and Security · Computer Science 2022-11-08 Hanan Hindy , Christos Tachtatzis , Robert Atkinson , David Brosset , Miroslav Bures , Ivan Andonovic , Craig Michie , Xavier Bellekens

We propose to use Bayesian optimization (BO) to improve the efficiency of the design selection process in clinical trials. BO is a method to optimize expensive black-box functions, by using a regression as a surrogate to guide the search.…

Methodology · Statistics 2021-05-20 Jakob Richter , Tim Friede , Jörg Rahnenführer

We propose a new deep architecture for person re-identification (re-id). While re-id has seen much recent progress, spatial localization and view-invariant representation learning for robust cross-view matching remain key, unsolved…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Meng Zheng , Srikrishna Karanam , Ziyan Wu , Richard J. Radke

Object cosegmentation addresses the problem of discovering similar objects from multiple images and segmenting them as foreground simultaneously. In this paper, we propose a novel end-to-end pipeline to segment the similar objects…

Computer Vision and Pattern Recognition · Computer Science 2018-03-09 Prerana Mukherjee , Brejesh Lall , Snehith Lattupally

Novelty search (NS) refers to a class of exploration algorithms that seek to uncover diverse system behaviors through simulations or experiments. Such diversity is central to many AI-driven discovery and design tasks, including material and…

Machine Learning · Statistics 2025-07-31 Wei-Ting Tang , Ankush Chakrabarty , Joel A. Paulson

Sampling proper negatives from a large document pool is vital to effectively train a dense retrieval model. However, existing negative sampling strategies suffer from the uninformative or false negative problem. In this work, we empirically…

Computation and Language · Computer Science 2022-10-25 Kun Zhou , Yeyun Gong , Xiao Liu , Wayne Xin Zhao , Yelong Shen , Anlei Dong , Jingwen Lu , Rangan Majumder , Ji-Rong Wen , Nan Duan , Weizhu Chen

Deep convolutional neural networks (DCNNs) have dominated the recent developments in computer vision through making various record-breaking models. However, it is still a great challenge to achieve powerful DCNNs in resource-limited…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Jiaxin Gu , Junhe Zhao , Xiaolong Jiang , Baochang Zhang , Jianzhuang Liu , Guodong Guo , Rongrong Ji

Obtaining high-quality generations in modern LLMs has largely been framed as a selection problem: identifying a single winning generation from a diverse pool of N samples, the Best-of-N (BoN). Yet, this approach is inherently zero-sum,…

Computation and Language · Computer Science 2025-10-02 Ammar Khairi , Daniel D'souza , Marzieh Fadaee , Julia Kreutzer

Biometric recognition is the process of verifying or classifying human characteristics in images or videos. It is a complex task that requires machine learning algorithms, including convolutional neural networks (CNNs) and Siamese networks.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Islem Jarraya , Tarek M. Hamdani , Habib Chabchoub , Adel M. Alimi

This paper introduces a novel approach to the task of data association within the context of pedestrian tracking, by introducing a two-stage learning scheme to match pairs of detections. First, a Siamese convolutional neural network (CNN)…

Machine Learning · Computer Science 2016-08-05 Laura Leal-Taixé , Cristian Canton Ferrer , Konrad Schindler

Siamese network based trackers formulate tracking as convolutional feature cross-correlation between target template and searching region. However, Siamese trackers still have accuracy gap compared with state-of-the-art algorithms and they…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Bo Li , Wei Wu , Qiang Wang , Fangyi Zhang , Junliang Xing , Junjie Yan

Recently, Siamese network based trackers have received tremendous interest for their fast tracking speed and high performance. Despite the great success, this tracking framework still suffers from several limitations. First, it cannot…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Anfeng He , Chong Luo , Xinmei Tian , Wenjun Zeng

Optimal design under uncertainty remains a fundamental challenge in advancing reliable, next-generation process systems. Robust optimization (RO) offers a principled approach by safeguarding against worst-case scenarios across a range of…

Machine Learning · Computer Science 2025-10-07 Akshay Kudva , Joel A. Paulson