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Local differential privacy has become the gold-standard of privacy literature for gathering or releasing sensitive individual data points in a privacy-preserving manner. However, locally differential data can twist the probability density…

统计理论 · 数学 2020-11-10 Farhad Farokhi

This paper proposes an adaptive auxiliary task learning based approach for object counting problems. Unlike existing auxiliary task learning based methods, we develop an attention-enhanced adaptively shared backbone network to enable both…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Yanda Meng , Joshua Bridge , Meng Wei , Yitian Zhao , Yihong Qiao , Xiaoyun Yang , Xiaowei Huang , Yalin Zheng

Fully-supervised crowd counting is a laborious task due to the large amounts of annotations. Few works focus on weekly-supervised crowd counting, where only the global crowd numbers are available for training. The main challenge of…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Xiaoshuang Chen , Hongtao Lu

This paper investigates the large sample properties of local regression distribution estimators, which include a class of boundary adaptive density estimators as a prime example. First, we establish a pointwise Gaussian large sample…

计量经济学 · 经济学 2021-01-29 Matias D. Cattaneo , Michael Jansson , Xinwei Ma

Decentralized stochastic optimization has emerged as a fundamental paradigm for large-scale machine learning. However, practical implementations often rely on biased gradient estimators arising from communication compression or inexact…

最优化与控制 · 数学 2026-04-10 Qing Xu , Yiwei Liao , Wenqi Fan , Xingxing You , Songyi Dian

We propose a new method to count objects of specific categories that are significantly smaller than the ground sampling distance of a satellite image. This task is hard due to the cluttered nature of scenes where different object categories…

计算机视觉与模式识别 · 计算机科学 2018-09-21 Andres C. Rodriguez , Jan D. Wegner

Crowd counting is an important problem in computer vision due to its wide range of applications in image understanding. Currently, this problem is typically addressed using deep learning approaches, such as Convolutional Neural Networks…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Zhen Wang , Yuelei Li , Jia Wan , Nuno Vasconcelos

In this article, we introduce a kernel-based consensual aggregation method for regression problems. We aim to flexibly combine individual regression estimators $r_1, r_2, \ldots, r_M$ using a weighted average where the weights are defined…

统计方法学 · 统计学 2021-04-29 Sothea Has

In crowd counting, each training image contains multiple people, where each person is annotated by a dot. Existing crowd counting methods need to use a Gaussian to smooth each annotated dot or to estimate the likelihood of every pixel given…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Boyu Wang , Huidong Liu , Dimitris Samaras , Minh Hoai

We study fine-grained error bounds for differentially private algorithms for counting under continual observation. Our main insight is that the matrix mechanism when using lower-triangular matrices can be used in the continual observation…

数据结构与算法 · 计算机科学 2024-02-06 Hendrik Fichtenberger , Monika Henzinger , Jalaj Upadhyay

In real-world crowd counting applications, the crowd densities in an image vary greatly. When facing density variation, humans tend to locate and count the targets in low-density regions, and reason the number in high-density regions. We…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Yuehai Chen , Jing Yang , Badong Chen , Shaoyi Du

We show that discrete synaptic weights can be efficiently used for learning in large scale neural systems, and lead to unanticipated computational performance. We focus on the representative case of learning random patterns with binary…

无序系统与神经网络 · 物理学 2015-09-21 Carlo Baldassi , Alessandro Ingrosso , Carlo Lucibello , Luca Saglietti , Riccardo Zecchina

Model compression techniques allow to significantly reduce the computational cost associated with data processing by deep neural networks with only a minor decrease in average accuracy. Simultaneously, reducing the model size may have a…

机器学习 · 计算机科学 2021-09-28 Sebastian Cygert , Andrzej Czyżewski

Causal inference on time series data is a challenging problem, especially in the presence of unobserved confounders. This work focuses on estimating the causal effect between two time series that are confounded by a third, unobserved time…

机器学习 · 统计学 2024-11-19 Felix Schur , Jonas Peters

The dominant approach to generating from language models subject to some constraint is locally constrained decoding (LCD), incrementally sampling tokens at each time step such that the constraint is never violated. Typically, this is…

While there is a rich literature on robust methodologies for contamination in continuously distributed data, contamination in categorical data is largely overlooked. This is regrettable because many datasets are categorical and oftentimes…

统计方法学 · 统计学 2024-12-13 Max Welz

Object counting and localization problems are commonly addressed with point supervised learning, which allows the use of less labor-intensive point annotations. However, learning based on point annotations poses challenges due to the high…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Domen Tabernik , Jon Muhovič , Danijel Skočaj

Data scarcity drives the need for more sample-efficient large language models. In this work, we use the double descent phenomenon to holistically compare the sample efficiency of discrete diffusion and autoregressive models. We show that…

机器学习 · 计算机科学 2025-09-30 Ahmad Fraij , Sam Dauncey

We develop a new framework for learning variational autoencoders and other deep generative models that balances generative and discriminative goals. Our framework optimizes model parameters to maximize a variational lower bound on the…

Accurately counting cells in microscopic images is important for medical diagnoses and biological studies, but manual cell counting is very tedious, time-consuming, and prone to subjective errors, and automatic counting can be less accurate…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Shenghua He , Kyaw Thu Minn , Lilianna Solnica-Krezel , Mark Anastasio , Hua Li