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We introduce GroundNet, a neural network for referring expression recognition -- the task of localizing (or grounding) in an image the object referred to by a natural language expression. Our approach to this task is the first to rely on a…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Volkan Cirik , Taylor Berg-Kirkpatrick , Louis-Philippe Morency

In text-to-image personalization, a timely and crucial challenge is the tendency of generated images overfitting to the biases present in the reference images. We initiate our study with a comprehensive categorization of the biases into…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jimyeong Kim , Jungwon Park , Wonjong Rhee

Dimensionality reduction (DR) techniques map high-dimensional data into lower-dimensional spaces. Yet, current DR techniques are not designed to explore semantic structure that is not directly available in the form of variables or class…

Machine Learning · Computer Science 2025-06-19 Artur André Oliveira , Mateus Espadoto , Roberto Hirata , Roberto M. Cesar , Alex C. Telea

Super-resolution reconstruction (SRR) is a process aimed at enhancing spatial resolution of images, either from a single observation, based on the learned relation between low and high resolution, or from multiple images presenting the same…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Michal Kawulok , Pawel Benecki , Szymon Piechaczek , Krzysztof Hrynczenko , Daniel Kostrzewa , Jakub Nalepa

Our target is to learn visual correspondence from unlabeled videos. We develop LIIR, a locality-aware inter-and intra-video reconstruction framework that fills in three missing pieces, i.e., instance discrimination, location awareness, and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Liulei Li , Tianfei Zhou , Wenguan Wang , Lu Yang , Jianwu Li , Yi Yang

Estimating the geographical range of a species from sparse observations is a challenging and important geospatial prediction problem. Given a set of locations where a species has been observed, the goal is to build a model to predict…

Self-supervised learning has been widely used to obtain transferrable representations from unlabeled images. Especially, recent contrastive learning methods have shown impressive performances on downstream image classification tasks. While…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Byungseok Roh , Wuhyun Shin , Ildoo Kim , Sungwoong Kim

Image-text matching plays a central role in bridging the semantic gap between vision and language. The key point to achieve precise visual-semantic alignment lies in capturing the fine-grained cross-modal correspondence between image and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Zhong Ji , Kexin Chen , Haoran Wang

This study addresses the challenge of performing visual localization in demanding conditions such as night-time scenarios, adverse weather, and seasonal changes. While many prior studies have focused on improving image-matching performance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Khang Truong Giang , Soohwan Song , Sungho Jo

Graph-based representations such as Scene Graphs enable localization in structured indoor environments by matching a locally observed graph, constructed from sensor data, to a prior map. This process is particularly challenging in…

In recent years, human pose estimation has made significant progress through the implementation of deep learning techniques. However, these techniques still face limitations when confronted with challenging scenarios, including occlusion,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Sihan Gao , Jing Zhu , Xiaoxuan Zhuang , Zhaoyue Wang , Qijin Li

We propose a vision-based method that localizes a ground vehicle using publicly available satellite imagery as the only prior knowledge of the environment. Our approach takes as input a sequence of ground-level images acquired by the…

Robotics · Computer Science 2022-03-08 Dong-Ki Kim , Matthew R. Walter

Reasoning about spatial relationships between objects is essential for many real-world robotic tasks, such as fetch-and-delivery, object rearrangement, and object search. The ability to detect and disambiguate different objects and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Negar Nejatishahidin , Madhukar Reddy Vongala , Jana Kosecka

Spatial reasoning in large-scale 3D environments such as warehouses remains a significant challenge for vision-language systems due to scene clutter, occlusions, and the need for precise spatial understanding. Existing models often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Tanner Muturi , Blessing Agyei Kyem , Joshua Kofi Asamoah , Neema Jakisa Owor , Richard Dyzinela , Andrews Danyo , Yaw Adu-Gyamfi , Armstrong Aboah

NIR-to-VIS face recognition is identifying faces of two different domains by extracting domain-invariant features. However, this is a challenging problem due to the two different domain characteristics, and the lack of NIR face dataset. In…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 MyeongAh Cho , Tae-young Chun , g Taeoh Kim , Sangyoun Lee

As an essential component of visual simultaneous localization and mapping (SLAM), place recognition is crucial for robot navigation and autonomous driving. Existing methods often formulate visual place recognition as feature matching, which…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Han Wang , Chen Wang , Lihua Xie

We propose Subject-Conditional Relation Detection SCoRD, where conditioned on an input subject, the goal is to predict all its relations to other objects in a scene along with their locations. Based on the Open Images dataset, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Ziyan Yang , Kushal Kafle , Zhe Lin , Scott Cohen , Zhihong Ding , Vicente Ordonez

We aim for mobile robots to function in a variety of common human environments. Such robots need to be able to reason about the locations of previously unseen target objects. Landmark objects can help this reasoning by narrowing down the…

Robotics · Computer Science 2020-06-22 Zhen Zeng , Adrian Röfer , Odest Chadwicke Jenkins

Referring Image Segmentation (RIS), which aims to segment specific objects based on natural language descriptions, plays an essential role in vision-language understanding. Despite its progress in remote sensing applications, RIS in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Kai Ye , YingShi Luan , Zhudi Chen , Guangyue Meng , Pingyang Dai , Liujuan Cao

We introduce the task of 3D visual grounding in large-scale dynamic scenes based on natural linguistic descriptions and online captured multi-modal visual data, including 2D images and 3D LiDAR point clouds. We present a novel method,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zhenxiang Lin , Xidong Peng , Peishan Cong , Ge Zheng , Yujin Sun , Yuenan Hou , Xinge Zhu , Sibei Yang , Yuexin Ma