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Deep reinforcement learning (deep RL) has achieved superior performance in complex sequential tasks by using deep neural networks as function approximators to learn directly from raw input images. However, learning directly from raw images…

Machine Learning · Computer Science 2019-07-31 Gabriel V. de la Cruz , Yunshu Du , Matthew E. Taylor

Despite the powerful feature extraction capability of Convolutional Neural Networks, there are still some challenges in saliency detection. In this paper, we focus on two aspects of challenges: i) Since salient objects appear in various…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Mehrdad Noori , Sina Mohammadi , Sina Ghofrani Majelan , Ali Bahri , Mohammad Havaei

Agentic systems solve complex tasks by coordinating multiple agents that iteratively reason, invoke tools, and exchange intermediate results. To improve robustness and solution quality, recent approaches deploy multiple agent teams running…

Multiagent Systems · Computer Science 2026-02-06 Joseph Fioresi , Parth Parag Kulkarni , Ashmal Vayani , Song Wang , Mubarak Shah

Decision Transformer-based decision-making agents have shown the ability to generalize across multiple tasks. However, their performance relies on massive data and computation. We argue that this inefficiency stems from the forgetting…

Machine Learning · Computer Science 2024-05-30 Jikun Kang , Romain Laroche , Xingdi Yuan , Adam Trischler , Xue Liu , Jie Fu

We evaluate the use of original game curricula supported by the Atari 2600 console as a heterogeneous transfer benchmark for deep reinforcement learning agents. Game designers created curricula using combinations of several discrete…

Machine Learning · Computer Science 2022-10-25 Andrei A. Rusu , Sebastian Flennerhag , Dushyant Rao , Razvan Pascanu , Raia Hadsell

While deep learning is a powerful tool for natural language processing (NLP) problems, successful solutions to these problems rely heavily on large amounts of annotated samples. However, manually annotating data is expensive and…

Machine Learning · Computer Science 2021-04-08 Rishi Hazra , Parag Dutta , Shubham Gupta , Mohammed Abdul Qaathir , Ambedkar Dukkipati

This work presents an analysis of the effectiveness of using standard shallow feed-forward networks to mimic the behavior of the attention mechanism in the original Transformer model, a state-of-the-art architecture for sequence-to-sequence…

Computation and Language · Computer Science 2024-02-06 Vukasin Bozic , Danilo Dordevic , Daniele Coppola , Joseph Thommes , Sidak Pal Singh

We introduce a saliency-based distortion layer for convolutional neural networks that helps to improve the spatial sampling of input data for a given task. Our differentiable layer can be added as a preprocessing block to existing task…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Adrià Recasens , Petr Kellnhofer , Simon Stent , Wojciech Matusik , Antonio Torralba

Although weakly-supervised techniques can reduce the labeling effort, it is unclear whether a saliency model trained with weakly-supervised data (e.g., point annotation) can achieve the equivalent performance of its fully-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Zhenyu Wu , Lin Wang , Wei Wang , Qing Xia , Chenglizhao Chen , Aimin Hao , Shuo Li

The Transformer architecture is crucial for numerous AI models, but it still faces challenges in long-range language modeling. Though several specific transformer architectures have been designed to tackle issues of long-range dependencies,…

Computation and Language · Computer Science 2023-12-21 Haofei Yu , Cunxiang Wang , Yue Zhang , Wei Bi

In the past few years, deep reinforcement learning has been proven to solve problems which have complex states like video games or board games. The next step of intelligent agents would be able to generalize between tasks, and using prior…

Machine Learning · Computer Science 2018-09-05 Shu-Hsuan Hsu , I-Chao Shen , Bing-Yu Chen

Data-driven saliency detection has attracted strong interest as a result of applying convolutional neural networks to the detection of eye fixations. Although a number of imagebased salient object and fixation detection models have been…

Computer Vision and Pattern Recognition · Computer Science 2018-09-24 Meijun Sun , Ziqi Zhou , QinGhua Hu , Zheng Wang , Jianmin Jiang

Achieving efficient and scalable exploration in complex domains poses a major challenge in reinforcement learning. While Bayesian and PAC-MDP approaches to the exploration problem offer strong formal guarantees, they are often impractical…

Artificial Intelligence · Computer Science 2015-11-23 Bradly C. Stadie , Sergey Levine , Pieter Abbeel

Continual Learning is considered a key step toward next-generation Artificial Intelligence. Among various methods, replay-based approaches that maintain and replay a small episodic memory of previous samples are one of the most successful…

Machine Learning · Computer Science 2022-12-27 Guangji Bai , Chen Ling , Yuyang Gao , Liang Zhao

Cognitive science and psychology suggest that object-centric representations of complex scenes are a promising step towards enabling efficient abstract reasoning from low-level perceptual features. Yet, most deep reinforcement learning…

Machine Learning · Computer Science 2024-02-28 Quentin Delfosse , Jannis Blüml , Bjarne Gregori , Sebastian Sztwiertnia , Kristian Kersting

As deep reinforcement learning driven by visual perception becomes more widely used there is a growing need to better understand and probe the learned agents. Understanding the decision making process and its relationship to visual inputs…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Christian Rupprecht , Cyril Ibrahim , Christopher J. Pal

Instruction tuning has unlocked powerful capabilities in large language models (LLMs), effectively using combined datasets to develop generalpurpose chatbots. However, real-world applications often require a specialized suite of skills…

Computation and Language · Computer Science 2024-06-14 Mengzhou Xia , Sadhika Malladi , Suchin Gururangan , Sanjeev Arora , Danqi Chen

Scaling issues are mundane yet irritating for practitioners of reinforcement learning. Error scales vary across domains, tasks, and stages of learning; sometimes by many orders of magnitude. This can be detrimental to learning speed and…

Machine Learning · Computer Science 2021-05-13 Tom Schaul , Georg Ostrovski , Iurii Kemaev , Diana Borsa

While success of Deep Learning (DL) in automated diagnosis can be transformative to the medicinal practice especially for people with little or no access to doctors, its widespread acceptability is severely limited by inherent black-box…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Mehak Aggarwal , Nishanth Arun , Sharut Gupta , Ashwin Vaswani , Bryan Chen , Matthew Li , Ken Chang , Jay Patel , Katherine Hoebel , Mishka Gidwani , Jayashree Kalpathy-Cramer , Praveer Singh

It is known that deep neural networks (DNNs) classify an input image by paying particular attention to certain specific pixels; a graphical representation of the magnitude of attention to each pixel is called a saliency-map. Saliency-maps…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Satoshi Munakata , Caterina Urban , Haruki Yokoyama , Koji Yamamoto , Kazuki Munakata