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Tables are ubiquitous across various domains for concisely representing structured information. Empowering large language models (LLMs) to reason over tabular data represents an actively explored direction. However, since typical LLMs only…

计算与语言 · 计算机科学 2024-10-21 Jia-Nan Li , Jian Guan , Wei Wu , Zhengtao Yu , Rui Yan

Deep representation learning has become one of the most widely adopted approaches for visual search, recommendation, and identification. Retrieval of such representations from a large database is however computationally challenging.…

机器学习 · 计算机科学 2020-04-14 Biswajit Paria , Chih-Kuan Yeh , Ian E. H. Yen , Ning Xu , Pradeep Ravikumar , Barnabás Póczos

Graphs are a natural abstraction for many problems where nodes represent entities and edges represent a relationship across entities. An important area of research that has emerged over the last decade is the use of graphs as a vehicle for…

Intrinsic image decomposition is an important and long-standing computer vision problem. Given an input image, recovering the physical scene properties is ill-posed. Several physically motivated priors have been used to restrict the…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Zongji Wang , Yunfei Liu , Feng Lu

Neuroevolution has yet to scale up to complex reinforcement learning tasks that require large networks. Networks with many inputs (e.g. raw video) imply a very high dimensional search space if encoded directly. Indirect methods use a more…

人工智能 · 计算机科学 2013-01-01 Jan Koutník , Juergen Schmidhuber , Faustino Gomez

This position paper argues that text embedding research should move beyond surface meaning and embrace implicit semantics as a central modeling objective. Text embeddings are a foundational component of modern NLP, underpinning a wide range…

计算与语言 · 计算机科学 2026-05-29 Yiqun Sun , Qiang Huang , Anthony K. H. Tung , Jun Yu

Differentiable simulations of optical systems can be combined with deep learning-based reconstruction networks to enable high performance computational imaging via end-to-end (E2E) optimization of both the optical encoder and the deep…

图像与视频处理 · 电气工程与系统科学 2022-11-04 Diptodip Deb , Zhenfei Jiao , Ruth Sims , Alex B. Chen , Michael Broxton , Misha B. Ahrens , Kaspar Podgorski , Srinivas C. Turaga

As function approximators, deep neural networks have served as an effective tool to represent various signal types. Recent approaches utilize multi-layer perceptrons (MLPs) to learn a nonlinear mapping from a coordinate to its corresponding…

机器学习 · 计算机科学 2025-06-12 Woojin Cho , Minju Jo , Kookjin Lee , Noseong Park

Structural and Positional Encodings can significantly improve the performance of Graph Neural Networks in downstream tasks. Recent literature has begun to systematically investigate differences in the structural properties that these…

机器学习 · 计算机科学 2024-03-14 Lukas Fesser , Melanie Weber

Vision Transformers have achieved remarkable success in computer vision, but their common use of learnable one-dimensional positional encodings weakens the inherent two-dimensional spatial structure of images after patch flattening.…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Zhihang Xin , Rui Wang , Xitong Hu , Xiaojun Wu

Multi-Layer Perceptrons (MLPs) make powerful functional representations for sampling and reconstruction problems involving low-dimensional signals like images,shapes and light fields. Recent works have significantly improved their ability…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Ishit Mehta , Michaël Gharbi , Connelly Barnes , Eli Shechtman , Ravi Ramamoorthi , Manmohan Chandraker

Deep neural networks can be effective means to automatically classify aerial images but is easy to overfit to the training data. It is critical for trained neural networks to be robust to variations that exist between training and test…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Jiayun Wang , Patrick Virtue , Stella X. Yu

Spectral bias is an important observation of neural network training, stating that the network will learn a low frequency representation of the target function before converging to higher frequency components. This property is interesting…

机器学习 · 计算机科学 2023-05-05 John Lazzari , Xiuwen Liu

This work contributes a novel deep navigation policy that enables collision-free flight of aerial robots based on a modular approach exploiting deep collision encoding and reinforcement learning. The proposed solution builds upon a deep…

机器人学 · 计算机科学 2024-02-07 Mihir Kulkarni , Kostas Alexis

Relative positional encoding is widely used in vanilla and linear transformers to represent positional information. However, existing encoding methods of a vanilla transformer are not always directly applicable to a linear transformer,…

计算与语言 · 计算机科学 2023-07-19 Zhen Qin , Weixuan Sun , Kaiyue Lu , Hui Deng , Dongxu Li , Xiaodong Han , Yuchao Dai , Lingpeng Kong , Yiran Zhong

In many applications of computer vision it is important to accurately estimate the trajectory of an object over time by fusing data from a number of sources, of which 2D and 3D imagery is only one. In this paper, we show how to use a deep…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Fan Jiang , Andrew Marmon , Ildebrando De Courten , Marc Rasi , Frank Dellaert

Recurrent models have been dominating the field of neural machine translation (NMT) for the past few years. Transformers \citep{vaswani2017attention}, have radically changed it by proposing a novel architecture that relies on a feed-forward…

计算与语言 · 计算机科学 2022-10-25 Joyce Zheng , Mehdi Rezagholizadeh , Peyman Passban

We introduce Probabilistic Coordinate Fields (PCFs), a novel geometric-invariant coordinate representation for image correspondence problems. In contrast to standard Cartesian coordinates, PCFs encode coordinates in correspondence-specific…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Weiyue Zhao , Hao Lu , Xinyi Ye , Zhiguo Cao , Xin Li

In this paper we propose the use of image pixel position coordinate system to improve image classification accuracy in various applications. Specifically, we hypothesize that the use of pixel coordinates will lead to (a) Resolution…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Avinash Kori , Ganapathy Krishnamurthi , Balaji Srinivasan

Learning-based lossy image compression usually involves the joint optimization of rate-distortion performance. Most existing methods adopt spatially invariant bit length allocation and incorporate discrete entropy approximation to constrain…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Mu Li , Wangmeng Zuo , Shuhang Gu , Jane You , David Zhang