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Analyzing classification model performance is a crucial task for machine learning practitioners. While practitioners often use count-based metrics derived from confusion matrices, like accuracy, many applications, such as weather…

人机交互 · 计算机科学 2022-07-29 Peter Xenopoulos , Joao Rulff , Luis Gustavo Nonato , Brian Barr , Claudio Silva

Precise scientific analysis in collider-based particle physics is possible because of complex simulations that connect fundamental theories to observable quantities. The significant computational cost of these programs limits the scope,…

高能物理 - 唯象学 · 物理学 2020-05-20 Anders Andreassen , Benjamin Nachman

Click-Through Rate (CTR) prediction is a crucial task in recommendation systems, online searches, and advertising platforms, where accurately capturing users' real interests in content is essential for performance. However, existing methods…

This paper proposes new methods to enhance click-through rate (CTR) prediction models using the Deep Interest Network (DIN) model, specifically applied to the advertising system of Alibaba's Taobao platform. Unlike traditional deep learning…

信息检索 · 计算机科学 2024-06-18 Chang Zhou , Yang Zhao , Yuelin Zou , Jin Cao , Wenhan Fan , Yi Zhao , Chiyu Cheng

Industrial recommender systems are frequently tasked with approximating probabilities for multiple, often closely related, user actions. For example, predicting if a user will click on an advertisement and if they will then purchase the…

信息检索 · 计算机科学 2021-09-01 Conor O'Brien , Kin Sum Liu , James Neufeld , Rafael Barreto , Jonathan J Hunt

Click-Through Rate (CTR) prediction is essential in online advertising, where semantic information plays a pivotal role in shaping user decisions and enhancing CTR effectiveness. Capturing and modeling deep semantic information, such as a…

机器学习 · 计算机科学 2025-03-05 Guoxiao Zhang , Yi Wei , Yadong Zhang , Huajian Feng , Qiang Liu

LiDAR-camera extrinsic calibration (LCEC) is crucial for multi-modal data fusion in autonomous robotic systems. Existing methods, whether target-based or target-free, typically rely on customized calibration targets or fixed scene types,…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Zhiwei Huang , Jiaqi Li , Hongbo Zhao , Xiao Ma , Ping Zhong , Xiaohu Zhou , Wei Ye , Rui Fan

The proliferation of Deep Neural Networks has resulted in machine learning systems becoming increasingly more present in various real-world applications. Consequently, there is a growing demand for highly reliable models in many domains,…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Pedro Conde , Rui L. Lopes , Cristiano Premebida

This work introduces a novel end-to-end approach for estimating extrinsic parameters of cameras in multi-camera setups on real-life sports fields. We identify the source of significant calibration errors in multi-camera environments and…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Grzegorz Rypeść , Grzegorz Kurzejamski

Click-Through Rate (CTR) prediction is a fundamental technique in recommendation and advertising systems. Recent studies have shown that implementing multi-scenario recommendations contributes to strengthening information sharing and…

信息检索 · 计算机科学 2023-09-06 Jingtong Gao , Bo Chen , Menghui Zhu , Xiangyu Zhao , Xiaopeng Li , Yuhao Wang , Yichao Wang , Huifeng Guo , Ruiming Tang

Post-hoc recalibration methods are widely used to ensure that classifiers provide faithful probability estimates. We argue that parametric recalibration functions based on logistic regression can be motivated from a simple theoretical…

机器学习 · 计算机科学 2026-03-11 Eugène Berta , David Holzmüller , Michael I. Jordan , Francis Bach

Calibration allows predictions to be reliably interpreted as probabilities by decision makers. We propose a decision-theoretic calibration error, the Calibration Decision Loss (CDL), defined as the maximum improvement in decision payoff…

机器学习 · 计算机科学 2024-10-14 Lunjia Hu , Yifan Wu

Techniques from deep learning play a more and more important role for the important task of calibration of financial models. The pioneering paper by Hernandez [Risk, 2017] was a catalyst for resurfacing interest in research in this area. In…

数理金融 · 定量金融 2019-08-26 Christian Bayer , Blanka Horvath , Aitor Muguruza , Benjamin Stemper , Mehdi Tomas

Establishing robust and accurate correspondences between a pair of images is a long-standing computer vision problem with numerous applications. While classically dominated by sparse methods, emerging dense approaches offer a compelling…

计算机视觉与模式识别 · 计算机科学 2021-09-30 Prune Truong , Martin Danelljan , Radu Timofte , Luc Van Gool

Instance segmentation has witnessed promising advancements through deep neural network-based algorithms. However, these models often exhibit incorrect predictions with unwarranted confidence levels. Consequently, evaluating prediction…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Qasim M. K. Siddiqui , Sebastian Starke , Peter Steinbach

Compressive focal plane arrays (FPA) enable cost-effective high-resolution (HR) imaging by acquisition of several multiplexed measurements on a low-resolution (LR) sensor. Multiplexed encoding of the visual scene is typically performed via…

图像与视频处理 · 电气工程与系统科学 2023-09-21 Alper Güngör , M. Umut Bahceci , Yasin Ergen , Ahmet Sözak , O. Oner Ekiz , Tolga Yelboga , Tolga Çukur

Modern neural networks can achieve high accuracy while remaining poorly calibrated, producing confidence estimates that do not match empirical correctness. Yet calibration is often treated as a post-hoc attribute. We take a different…

机器学习 · 计算机科学 2026-04-23 Alessandro Morosini , Matea Gjika , Tomaso Poggio , Pierfrancesco Beneventano

In this paper we present an end-to-end framework for addressing the problem of dynamic pricing (DP) on E-commerce platform using methods based on deep reinforcement learning (DRL). By using four groups of different business data to…

机器学习 · 计算机科学 2021-09-01 Jiaxi Liu , Yidong Zhang , Xiaoqing Wang , Yuming Deng , Xingyu Wu

Accurate material characterization and model calibration are essential for computationally-supported engineering decisions. Current characterization and calibration methods (1) use simplified test specimen geometries and global data, (2)…

计算工程、金融与科学 · 计算机科学 2025-07-03 Denielle Ricciardi , D. Tom Seidl , Brian Lester , Amanda Jones , Elizabeth Jones

Deep neural networks (DNNs) have made great strides in pushing the state-of-the-art in several challenging domains. Recent studies reveal that they are prone to making overconfident predictions. This greatly reduces the overall trust in…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Vinith Kugathasan , Muhammad Haris Khan