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Following the success of dot-product attention in Transformers, numerous approximations have been recently proposed to address its quadratic complexity with respect to the input length. However, all approximations thus far have ignored the…

机器学习 · 计算机科学 2021-03-19 Ankit Gupta , Jonathan Berant

We propose a novel problem formulation of learning a single task when the data are provided in different feature spaces. Each such space is called an outlook, and is assumed to contain both labeled and unlabeled data. The objective is to…

机器学习 · 计算机科学 2011-06-15 Maayan Harel , Shie Mannor

Many works have concentrated on visualizing and understanding the inner mechanism of convolutional neural networks (CNNs) by generating images that activate some specific neurons, which is called deep visualization. However, it is still…

计算机视觉与模式识别 · 计算机科学 2016-08-19 Zhiqiang Xia , Ce Zhu , Zhengtao Wang , Qi Guo , Yipeng Liu

In this paper we present a new method for deformable NeRF that can directly use optical flow as supervision. We overcome the major challenge with respect to the computationally inefficiency of enforcing the flow constraints to the backward…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Chaoyang Wang , Lachlan Ewen MacDonald , Laszlo A. Jeni , Simon Lucey

Previous work has shown that feature maps of deep convolutional neural networks (CNNs) can be interpreted as feature representation of a particular image region. Features aggregated from these feature maps have been exploited for image…

计算机视觉与模式识别 · 计算机科学 2016-11-08 Jiedong Hao , Jing Dong , Wei Wang , Tieniu Tan

Feedforward neural networks with error backpropagation (FFBP) are widely applied to pattern recognition. One general problem encountered with this type of neural networks is the uncertainty, whether the minimization procedure has converged…

高能物理 - 实验 · 物理学 2010-11-01 Ralph Sinkus

Many visualization techniques have been created to explain the behavior of computer vision models, but they largely consist of static diagrams that convey limited information. Interactive visualizations allow users to more easily interpret…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Devon Ulrich , Ruth Fong

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…

Data visualization is important in understanding the characteristics of data that are difficult to see directly. It is used to visualize loss landscapes and optimization trajectories to analyze optimization performance. Popular optimization…

量子物理 · 物理学 2023-12-04 Yoshiaki Kawase , Kosuke Mitarai , Keisuke Fujii

In classical inverse linear optimization, one assumes a given solution is a candidate to be optimal. Real data is imperfect and noisy, so there is no guarantee this assumption is satisfied. Inspired by regression, this paper presents a…

最优化与控制 · 数学 2017-06-23 Timothy C. Y. Chan , Taewoo Lee , Daria Terekhov

Authors often transform a large screen visualization for smaller displays through rescaling, aggregation and other techniques when creating visualizations for both desktop and mobile devices (i.e., responsive visualization). However,…

人机交互 · 计算机科学 2021-07-20 Hyeok Kim , Ryan Rossi , Abhraneel Sarma , Dominik Moritz , Jessica Hullman

Given the ubiquity of deep neural networks, it is important that these models do not reveal information about sensitive data that they have been trained on. In model inversion attacks, a malicious user attempts to recover the private…

机器学习 · 计算机科学 2022-01-27 Kuan-Chieh Wang , Yan Fu , Ke Li , Ashish Khisti , Richard Zemel , Alireza Makhzani

The concept of the value-gradient is introduced and developed in the context of reinforcement learning. It is shown that by learning the value-gradients exploration or stochastic behaviour is no longer needed to find locally optimal…

神经与进化计算 · 计算机科学 2008-03-26 Michael Fairbank

Autonomous agents optimize the reward function we give them. What they don't know is how hard it is for us to design a reward function that actually captures what we want. When designing the reward, we might think of some specific training…

人工智能 · 计算机科学 2020-10-08 Dylan Hadfield-Menell , Smitha Milli , Pieter Abbeel , Stuart Russell , Anca Dragan

We propose a new perspective on representation learning in reinforcement learning based on geometric properties of the space of value functions. We leverage this perspective to provide formal evidence regarding the usefulness of value…

Fluorescence is a powerful mean to probe information processing in the mammalian brain. However, neuronal tissues are highly heterogeneous and thus opaque to light. A wide set of non-invasive or invasive techniques for scattered light…

光学 · 物理学 2020-05-11 Claudio Moretti , Sylvain Gigan

Feed-forward neural networks consist of a sequence of layers, in which each layer performs some processing on the information from the previous layer. A downside to this approach is that each layer (or module, as multiple modules can…

机器学习 · 计算机科学 2020-10-19 Alex Lamb , Anirudh Goyal , Agnieszka Słowik , Michael Mozer , Philippe Beaudoin , Yoshua Bengio

Neurofeedback training (NFT) aims to teach self-regulation of brain activity through real-time feedback, but suffers from highly variable outcomes and poorly understood mechanisms, hampering its validation. To address these issues, we…

神经元与认知 · 定量生物学 2025-05-07 Côme Annicchiarico , Fabien Lotte , Jérémie Mattout

A systematic mismatch exists between mathematically ideal and effective activation updates during gradient descent. As intended, parameters update in their direction of steepest descent. However, activations are argued to constitute a more…

机器学习 · 计算机科学 2026-03-11 George Bird

Inverse Reinforcement Learning infers a reward function from expert demonstrations, aiming to encode the behavior and intentions of the expert. Current approaches usually do this with generative and uni-modal models, meaning that they…

机器学习 · 计算机科学 2021-11-16 Niklas Freymuth , Philipp Becker , Gerhard Neumann