中文
相关论文

相关论文: Deep Ensemble Shape Calibration: Multi-Field Post-…

200 篇论文

In many applications, it is desirable that a classifier not only makes accurate predictions, but also outputs calibrated posterior probabilities. However, many existing classifiers, especially deep neural network classifiers, tend to be…

机器学习 · 统计学 2021-06-24 Xingchen Ma , Matthew B. Blaschko

The Heston stochastic volatility model is a widely used tool in financial mathematics for pricing European options. However, its calibration remains computationally intensive and sensitive to local minima due to the model's nonlinear…

偏微分方程分析 · 数学 2026-04-21 Arman Zadgar , Somayeh Fallah , Farshid Mehrdoust , Juan E. Trinidad Segovia

Calibrated confidence estimates obtained from neural networks are crucial, particularly for safety-critical applications such as autonomous driving or medical image diagnosis. However, although the task of confidence calibration has been…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Fabian Küppers , Anselm Haselhoff , Jan Kronenberger , Jonas Schneider

DETR and its variants have emerged as promising architectures for object detection, offering an end-to-end prediction pipeline. In practice, however, DETRs generate hundreds of predictions that far outnumber the actual objects present in an…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Young-Jin Park , Carson Sobolewski , Navid Azizan

Conversion rate (CVR) prediction is one of the most critical tasks for digital display advertising. Commercial systems often require to update models in an online learning manner to catch up with the evolving data distribution. However,…

机器学习 · 计算机科学 2021-07-19 Jia-Qi Yang , Xiang Li , Shuguang Han , Tao Zhuang , De-Chuan Zhan , Xiaoyi Zeng , Bin Tong

In recommendation scenarios, there are two long-standing challenges, i.e., selection bias and data sparsity, which lead to a significant drop in prediction accuracy for both Click-Through Rate (CTR) and post-click Conversion Rate (CVR)…

信息检索 · 计算机科学 2023-02-14 Feng Zhu , Mingjie Zhong , Xinxing Yang , Longfei Li , Lu Yu , Tiehua Zhang , Jun Zhou , Chaochao Chen , Fei Wu , Guanfeng Liu , Yan Wang

Predicting user response probabilities is vital for ad ranking and bidding. We hope that predictive models can produce accurate probabilistic predictions that reflect true likelihoods. Calibration techniques aim to post-process model…

机器学习 · 计算机科学 2024-05-28 Penghui Wei , Weimin Zhang , Ruijie Hou , Jinquan Liu , Shaoguo Liu , Liang Wang , Bo Zheng

Extreme multilabel classification (XMLC) problems occur in settings such as related product recommendation, large-scale document tagging, or ad prediction, and are characterized by a label space that can span millions of possible labels.…

机器学习 · 计算机科学 2024-11-08 Nasib Ullah , Erik Schultheis , Jinbin Zhang , Rohit Babbar

We propose an evaluation framework for class probability estimates (CPEs) in the presence of label uncertainty, which is commonly observed as diagnosis disagreement between experts in the medical domain. We also formalize evaluation metrics…

机器学习 · 统计学 2021-03-23 Takahiro Mimori , Keiko Sasada , Hirotaka Matsui , Issei Sato

Estimating post-click conversion rate (CVR) accurately is crucial for ranking systems in industrial applications such as recommendation and advertising. Conventional CVR modeling applies popular deep learning methods and achieves…

机器学习 · 统计学 2018-04-25 Xiao Ma , Liqin Zhao , Guan Huang , Zhi Wang , Zelin Hu , Xiaoqiang Zhu , Kun Gai

Generating calibrated and sharp neural network predictive distributions for regression problems is essential for optimal decision-making in many real-world applications. To address the miscalibration issue of neural networks, various…

机器学习 · 计算机科学 2024-03-19 Victor Dheur , Souhaib Ben Taieb

The prediction objectives of online advertisement ranking models are evolving from probabilistic metrics like conversion rate (CVR) to numerical business metrics like post-click gross merchandise volume (GMV). Unlike the well-studied…

机器学习 · 计算机科学 2026-01-29 Xinyu Li , Sishuo Chen , Guipeng Xv , Li Zhang , Mingxuan Luo , Zhangming Chan , Xiang-Rong Sheng , Han Zhu , Jian Xu , Chen Lin

Developing effective and efficient recommendation methods is very challenging for modern e-commerce platforms. Generally speaking, two essential modules named "Click-Through Rate Prediction" (\textit{CTR}) and "Conversion Rate Prediction"…

机器学习 · 计算机科学 2018-11-20 Hong Wen , Jing Zhang , Quan Lin , Keping Yang , Pipei Huang

Position bias, the phenomenon whereby users tend to focus on higher-ranked items of the search result list regardless of the actual relevance to queries, is prevailing in many ranking systems. Position bias in training data biases the…

信息检索 · 计算机科学 2023-08-01 Yibo Wang , Yanbing Xue , Bo Liu , Musen Wen , Wenting Zhao , Stephen Guo , Philip S. Yu

Modern convolutional neural networks (CNNs)-based face detectors have achieved tremendous strides due to large annotated datasets. However, misaligned results with high detection confidence but low localization accuracy restrict the further…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Shi Luo , Xiongfei Li , Xiaoli Zhang

Probability calibration for deep models is highly desirable in safety-critical applications such as medical imaging. It makes output probabilities of deep networks interpretable, by aligning prediction probability with the actual accuracy…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Cheng Ouyang , Shuo Wang , Chen Chen , Zeju Li , Wenjia Bai , Bernhard Kainz , Daniel Rueckert

The accuracy of the information that can be extracted from electron diffraction patterns is often limited by the presence of optical distortions. Existing distortion characterization techniques typically require knowledge of the reciprocal…

Optimal decision making requires that classifiers produce uncertainty estimates consistent with their empirical accuracy. However, deep neural networks are often under- or over-confident in their predictions. Consequently, methods have been…

E-commerce search optimization has evolved to include a wider range of metrics that reflect user engagement and business objectives. Modern search frameworks now incorporate advanced quality features, such as sales counts and document-query…

信息检索 · 计算机科学 2025-09-03 Jungbae Park , Heonseok Jang

In the field of medical image analysis, achieving high accuracy is not enough; ensuring well-calibrated predictions is also crucial. Confidence scores of a deep neural network play a pivotal role in explainability by providing insights into…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Abhishek Singh Sambyal , Usma Niyaz , Narayanan C. Krishnan , Deepti R. Bathula