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The paper presents a new method of depth estimation dedicated for free-viewpoint television (FTV). The estimation is performed for segments and thus their size can be used to control a trade-off between the quality of depth maps and the…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Dawid Mieloch , Olgierd Stankiewicz , Marek Domański

In this work we consider the problem of estimating a high-dimensional $p \times p$ covariance matrix $\Sigma$, given $n$ observations of confounded data with covariance $\Sigma + \Gamma \Gamma^T$, where $\Gamma$ is an unknown $p \times q$…

统计方法学 · 统计学 2019-12-03 Rajen D. Shah , Benjamin Frot , Gian-Andrea Thanei , Nicolai Meinshausen

Interpreting complex neural networks is crucial for understanding their decision-making processes, particularly in applications where transparency and accountability are essential. This proposed method addresses this need by focusing on…

神经与进化计算 · 计算机科学 2024-12-10 Deepshikha Bhati , Fnu Neha , Md Amiruzzaman , Angela Guercio , Deepak Kumar Shukla , Ben Ward

For uncertainty propagation of highly complex and/or nonlinear problems, one must resort to sample-based non-intrusive approaches [1]. In such cases, minimizing the number of function evaluations required to evaluate the response surface is…

数值分析 · 数学 2017-12-04 Anindya Bhaduri , Lori Graham-Brady

With the growing demand for interpretable deep learning models, this paper introduces Integrative CAM, an advanced Class Activation Mapping (CAM) technique aimed at providing a holistic view of feature importance across Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Aniket K. Singh , Debasis Chaudhuri , Manish P. Singh , Samiran Chattopadhyay

This study proposes a low-complexity interpretable classification system. The proposed system contains three main modules including feature extraction, feature reduction, and classification. All of them are linear. Thanks to the linear…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Tzu-Wei Tseng , Kai-Jiun Yang , C. -C. Jay Kuo , Shang-Ho , Tsai

Interpretability of deep learning is widely used to evaluate the reliability of medical imaging models and reduce the risks of inaccurate patient recommendations. For models exceeding human performance, e.g. predicting RNA structure from…

Random backpropagation (RBP) is a variant of the backpropagation algorithm for training neural networks, where the transpose of the forward matrices are replaced by fixed random matrices in the calculation of the weight updates. It is…

机器学习 · 计算机科学 2017-12-25 Pierre Baldi , Peter Sadowski , Zhiqin Lu

We introduce an iterative optimization scheme for convex objectives consisting of a linear loss and a non-separable penalty, based on the expectation-consistent approximation and the vector approximate message-passing (VAMP) algorithm.…

机器学习 · 统计学 2018-09-18 Andre Manoel , Florent Krzakala , Gaël Varoquaux , Bertrand Thirion , Lenka Zdeborová

Typical video classification methods often divide a video into short clips, do inference on each clip independently, then aggregate the clip-level predictions to generate the video-level results. However, processing visually similar clips…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Linchao Zhu , Laura Sevilla-Lara , Du Tran , Matt Feiszli , Yi Yang , Heng Wang

Traditional machine learning is generally treated as a black-box optimization problem and does not typically produce interpretable functions that connect inputs and outputs. However, the ability to discover such interpretable functions is…

机器学习 · 计算机科学 2024-02-16 Nisal Ranasinghe , Damith Senanayake , Sachith Seneviratne , Malin Premaratne , Saman Halgamuge

Model agnostic feature attribution algorithms (such as SHAP and LIME) are ubiquitous techniques for explaining the decisions of complex classification models, such as deep neural networks. However, since complex classification models…

Deep features are a cornerstone of computer vision research, capturing image semantics and enabling the community to solve downstream tasks even in the zero- or few-shot regime. However, these features often lack the spatial resolution to…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Stephanie Fu , Mark Hamilton , Laura Brandt , Axel Feldman , Zhoutong Zhang , William T. Freeman

Text-Video Retrieval (TVR) aims to align relevant video content with natural language queries. To date, most state-of-the-art TVR methods learn image-to-video transfer learning based on large-scale pre-trained visionlanguage models (e.g.,…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Meng Cao , Haoran Tang , Jinfa Huang , Peng Jin , Can Zhang , Ruyang Liu , Long Chen , Xiaodan Liang , Li Yuan , Ge Li

We propose a new, computationally efficient, sparsity adaptive changepoint estimator for detecting changes in unknown subsets of a high-dimensional data sequence. Assuming the data sequence is Gaussian, we prove that the new method…

统计方法学 · 统计学 2023-11-27 Per August Jarval Moen , Ingrid Kristine Glad , Martin Tveten

Score-based explainable machine-learning techniques are often used to understand the logic behind black-box models. However, such explanation techniques are often computationally expensive, which limits their application in time-critical…

机器学习 · 计算机科学 2023-08-24 Amr Alkhatib , Henrik Boström , Sofiane Ennadir , Ulf Johansson

We consider a variant of regression problem, where the correspondence between input and output data is not available. Such shuffled data is commonly observed in many real world problems. Taking flow cytometry as an example, the measuring…

机器学习 · 计算机科学 2021-02-12 Yujia Xie , Yixiu Mao , Simiao Zuo , Hongteng Xu , Xiaojing Ye , Tuo Zhao , Hongyuan Zha

Video prediction is an important yet challenging problem; burdened with the tasks of generating future frames and learning environment dynamics. Recently, autoregressive latent video models have proved to be a powerful video prediction…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Younggyo Seo , Kimin Lee , Fangchen Liu , Stephen James , Pieter Abbeel

Crop-based training strategies decouple training resolution from GPU memory consumption, allowing the use of large-capacity panoptic segmentation networks on multi-megapixel images. Using crops, however, can introduce a bias towards…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder

For many computer vision applications, such as image description and human identification, recognizing the visual attributes of humans is an essential yet challenging problem. Its challenges originate from its multi-label nature, the large…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris