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Feature shifts between data sources are present in many applications involving healthcare, biomedical, socioeconomic, financial, survey, and multi-sensor data, among others, where unharmonized heterogeneous data sources, noisy data…

Machine Learning · Computer Science 2025-06-12 Míriam Barrabés , Daniel Mas Montserrat , Kapal Dev , Alexander G. Ioannidis

Federated learning (FL) enables the collaboration of multiple deep learning models to learn from decentralized data archives (i.e., clients) without accessing data on clients. Although FL offers ample opportunities in knowledge discovery…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Barış Büyüktaş , Gencer Sumbul , Begüm Demir

Successful training of convolutional neural networks is often associated with sufficiently deep architectures composed of high amounts of features. These networks typically rely on a variety of regularization and pruning techniques to…

Computer Vision and Pattern Recognition · Computer Science 2017-10-23 Martin Mundt , Tobias Weis , Kishore Konda , Visvanathan Ramesh

Many meta-learning approaches for few-shot learning rely on simple base learners such as nearest-neighbor classifiers. However, even in the few-shot regime, discriminatively trained linear predictors can offer better generalization. We…

Computer Vision and Pattern Recognition · Computer Science 2019-04-24 Kwonjoon Lee , Subhransu Maji , Avinash Ravichandran , Stefano Soatto

Recent image inpainting methods have shown promising results due to the power of deep learning, which can explore external information available from the large training dataset. However, many state-of-the-art inpainting networks are still…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Eunhye Lee , Jeongmu Kim , Jisu Kim , Tae Hyun Kim

As an agent moves through the world, the apparent motion of scene elements is (usually) inversely proportional to their depth. It is natural for a learning agent to associate image patterns with the magnitude of their displacement over…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Huaizu Jiang , Erik Learned-Miller , Gustav Larsson , Michael Maire , Greg Shakhnarovich

We propose a novel optimization-based paradigm for 3D human model fitting on images and scans. In contrast to existing approaches that directly regress the parameters of a low-dimensional statistical body model (e.g. SMPL) from input…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Enric Corona , Gerard Pons-Moll , Guillem Alenyà , Francesc Moreno-Noguer

Directly learning features from the point cloud has become an active research direction in 3D understanding. Existing learning-based methods usually construct local regions from the point cloud and extract the corresponding features.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Lin-Zhuo Chen , Xuan-Yi Li , Deng-Ping Fan , Kai Wang , Shao-Ping Lu , Ming-Ming Cheng

Traditionally, training neural networks to perform semantic segmentation required expensive human-made annotations. But more recently, advances in the field of unsupervised learning have made significant progress on this issue and towards…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Leon Sick , Dominik Engel , Pedro Hermosilla , Timo Ropinski

This paper presents a neural network to estimate a detailed depth map of the foreground human in a single RGB image. The result captures geometry details such as cloth wrinkles, which are important in visualization applications. To achieve…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Sicong Tang , Feitong Tan , Kelvin Cheng , Zhaoyang Li , Siyu Zhu , Ping Tan

Unsupervised depth learning takes the appearance difference between a target view and a view synthesized from its adjacent frame as supervisory signal. Since the supervisory signal only comes from images themselves, the resolution of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Junsheng Zhou , Yuwang Wang , Kaihuai Qin , Wenjun Zeng

In this paper, we propose a novel training strategy for convolutional neural network(CNN) named Feature Mining, that aims to strengthen the network's learning of the local feature. Through experiments, we find that semantic contained in…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Tianshu Xie , Xuan Cheng , Xiaomin Wang , Minghui Liu , Jiali Deng , Ming Liu

In this paper we show how to learn directly from image data (i.e., without resorting to manually-designed features) a general similarity function for comparing image patches, which is a task of fundamental importance for many computer…

Computer Vision and Pattern Recognition · Computer Science 2015-04-17 Sergey Zagoruyko , Nikos Komodakis

LBP is a successful hand-crafted feature descriptor in computer vision. However, in the deep learning era, deep neural networks, especially convolutional neural networks (CNNs) can automatically learn powerful task-aware features that are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Zhuo Su , Matti Pietikäinen , Li Liu

Good local features improve the robustness of many 3D re-localization and multi-view reconstruction pipelines. The problem is that viewing angle and distance severely impact the recognizability of a local feature. Attempts to improve…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Carl Toft , Daniyar Turmukhambetov , Torsten Sattler , Fredrik Kahl , Gabriel Brostow

This paper describes an optimized single-stage deep convolutional neural network to detect objects in urban environments, using nothing more than point cloud data. This feature enables our method to work regardless the time of the day and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kazuki Minemura , Hengfui Liau , Abraham Monrroy , Shinpei Kato

In this paper, we present a new approach for improving 3D point and line mapping regression for camera re-localization. Previous methods typically rely on feature matching (FM) with stored descriptors or use a single network to encode both…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Bach-Thuan Bui , Huy-Hoang Bui , Yasuyuki Fujii , Dinh-Tuan Tran , Joo-Ho Lee

In this report we present an unsupervised image registration framework, using a pre-trained deep neural network as a feature extractor. We refer this to zero-shot learning, due to nonoverlap between training and testing dataset (none of the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Avinash Kori , Ganapathi Krishnamurthi

In Fringe Projection Profilometry (FPP), achieving robust and accurate 3D reconstruction with a limited number of fringe patterns remains a challenge in structured light 3D imaging. Conventional methods require a set of fringe images, but…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Won-Hoe Kim , Bongjoong Kim , Hyung-Gun Chi , Jae-Sang Hyun

Remotely captured images possess an immense scale and object appearance variability due to the complex scene. It becomes challenging to capture the underlying attributes in the global and local context for their segmentation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Satyawant Kumar , Abhishek Kumar , Dong-Gyu Lee