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Current advances in Natural Language Processing (NLP) have made it increasingly feasible to build applications leveraging textual data. Generally, the core of these applications rely on having a good semantic representation of text into…

Computation and Language · Computer Science 2024-10-21 Thomas Uriot

Context is important for accurate visual recognition. In this work we propose an object detection algorithm that not only considers object visual appearance, but also makes use of two kinds of context including scene contextual information…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Yong Liu , Ruiping Wang , Shiguang Shan , Xilin Chen

The goal of this paper is to learn dense 3D shape correspondence for topology-varying objects in an unsupervised manner. Conventional implicit functions estimate the occupancy of a 3D point given a shape latent code. Instead, our novel…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Feng Liu , Xiaoming Liu

For many applications, we need to use techniques to represent convex shapes and objects. In this work, we use level set method to represent shapes and find a necessary and sufficient condition on the level set function to guarantee the…

Numerical Analysis · Mathematics 2018-11-13 Shousheng Luo , Xue-cheng Tai

Using image context is an effective approach for improving object detection. Previously proposed methods used contextual cues that rely on semantic or spatial information. In this work, we explore a different kind of contextual information:…

Computer Vision and Pattern Recognition · Computer Science 2017-07-17 Noa Arbel , Tamar Avraham , Michael Lindenbaum

Learning to recognize pedestrian attributes at far distance is a challenging problem in visual surveillance since face and body close-shots are hardly available; instead, only far-view image frames of pedestrian are given. In this study, we…

Computer Vision and Pattern Recognition · Computer Science 2015-04-30 Yubin Deng , Ping Luo , Chen Change Loy , Xiaoou Tang

Large language models have exhibited intriguing in-context learning capability, achieving promising zero- and few-shot performance without updating the parameters. However, conventional in-context learning is usually restricted by length…

Computation and Language · Computer Science 2022-12-14 Yaru Hao , Yutao Sun , Li Dong , Zhixiong Han , Yuxian Gu , Furu Wei

Despite significant progress, controlled generation of complex images with interacting people remains difficult. Existing layout generation methods fall short of synthesizing realistic person instances; while pose-guided generation…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Weidong Yin , Ziwei Liu , Leonid Sigal

Recent techniques have been successful in reconstructing surfaces as level sets of learned functions (such as signed distance fields) parameterized by deep neural networks. Many of these methods, however, learn only closed surfaces and are…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 David Palmer , Dmitriy Smirnov , Stephanie Wang , Albert Chern , Justin Solomon

In current biological and medical research, statistical shape modeling (SSM) provides an essential framework for the characterization of anatomy/morphology. Such analysis is often driven by the identification of a relatively small number of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Riddhish Bhalodia , Shireen Elhabian , Ladislav Kavan , Ross Whitaker

In-context learning can improve the performances of knowledge-rich tasks such as question answering. In such scenarios, in-context examples trigger a language model (LM) to surface information stored in its parametric knowledge. We study…

Computation and Language · Computer Science 2024-04-05 Yoonsang Lee , Pranav Atreya , Xi Ye , Eunsol Choi

To ensure safety in automated driving, the correct perception of the situation inside the car is as important as its environment. Thus, seat occupancy detection and classification of detected instances play an important role in interior…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Claudia Drygala , Matthias Rottmann , Hanno Gottschalk , Klaus Friedrichs , Thomas Kurbiel

Language model pre-training and derived methods are incredibly impactful in machine learning. However, there remains considerable uncertainty on exactly why pre-training helps improve performance for fine-tuning tasks. This is especially…

Machine Learning · Computer Science 2022-08-08 Matthew B. A. McDermott , Brendan Yap , Peter Szolovits , Marinka Zitnik

Coordinate based implicit neural representations have gained rapid popularity in recent years as they have been successfully used in image, geometry and scene modeling tasks. In this work, we present a novel use case for such implicit…

Graphics · Computer Science 2023-12-13 Prashanth Chandran , Gaspard Zoss

Motifs are a powerful tool for analyzing physiological waveform data. Standard motif methods, however, ignore important contextual information (e.g., what the patient was doing at the time the data were collected). We hypothesize that these…

Machine Learning · Computer Science 2019-04-09 Ian Fox , Lynn Ang , Mamta Jaiswal , Rodica Pop-Busui , Jenna Wiens

Traditional shape descriptors have been gradually replaced by convolutional neural networks due to their superior performance in feature extraction and classification. The state-of-the-art methods recognize object shapes via image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Wenlong Shi , Changsheng Lu , Ming Shao , Yinjie Zhang , Siyu Xia , Piotr Koniusz

In this paper, we propose a novel approach for agent motion prediction in cluttered environments. One of the main challenges in predicting agent motion is accounting for location and context-specific information. Our main contribution is…

Robotics · Computer Science 2020-07-08 Igor Gilitschenski , Guy Rosman , Arjun Gupta , Sertac Karaman , Daniela Rus

We present a novel deep architecture termed templateNet for depth based object instance recognition. Using an intermediate template layer we exploit prior knowledge of an object's shape to sparsify the feature maps. This has three…

Computer Vision and Pattern Recognition · Computer Science 2015-11-11 Ujwal Bonde , Vijay Badrinarayanan , Roberto Cipolla , Minh-Tri Pham

Unsupervised image-to-image translation techniques are able to map local texture between two domains, but they are typically unsuccessful when the domains require larger shape change. Inspired by semantic segmentation, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Aaron Gokaslan , Vivek Ramanujan , Daniel Ritchie , Kwang In Kim , James Tompkin

Language models (LMs) have been used in cognitive modeling as well as engineering studies -- they compute information-theoretic complexity metrics that simulate humans' cognitive load during reading. This study highlights a limitation of…

Computation and Language · Computer Science 2022-11-02 Tatsuki Kuribayashi , Yohei Oseki , Ana Brassard , Kentaro Inui