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This paper proposes a probabilistic motion prediction method for long motions. The motion is predicted so that it accomplishes a task from the initial state observed in the given image. While our method evaluates the task achievability by…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Takeru Oba , Norimichi Ukita

Semantic Segmentation is an important module for autonomous robots such as self-driving cars. The advantage of video segmentation approaches compared to single image segmentation is that temporal image information is considered, and their…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Andreas Pfeuffer , Klaus Dietmayer

Variational inequalities are a formalism that includes games, minimization, saddle point, and equilibrium problems as special cases. Methods for variational inequalities are therefore universal approaches for many applied tasks, including…

Visual-based perception is the key module for autonomous driving. Among those visual perception tasks, video object detection is a primary yet challenging one because of feature degradation caused by fast motion or multiple poses. Current…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Yiming Cui , Cheng Han , Dongfang Liu

In recent years, camera-based localization has been widely used for robotic applications, and most proposed algorithms rely on local features extracted from recorded images. For better performance, the features used for open-loop…

Computer Vision and Pattern Recognition · Computer Science 2019-08-08 Yafei Song , Di Zhu , Jia Li , Yonghong Tian , Mingyang Li

The crux of self-supervised video representation learning is to build general features from unlabeled videos. However, most recent works have mainly focused on high-level semantics and neglected lower-level representations and their…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Rui Qian , Yuxi Li , Huabin Liu , John See , Shuangrui Ding , Xian Liu , Dian Li , Weiyao Lin

Models optimized for accuracy on single images are often prohibitively slow to run on each frame in a video. Recent work exploits the use of optical flow to warp image features forward from select keyframes, as a means to conserve…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Samvit Jain , Joseph E. Gonzalez

Real-time computational speed and a high degree of precision are requirements for computer-assisted interventions. Applying a segmentation network to a medical video processing task can introduce significant inter-frame prediction noise.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Robert Mendel , Tobias Rueckert , Dirk Wilhelm , Daniel Rueckert , Christoph Palm

Most Probable Explanation (MPE) inference in Probabilistic Graphical Models (PGMs) is a fundamental yet computationally challenging problem arising in domains such as diagnosis, planning, and structured prediction. In many practical…

Artificial Intelligence · Computer Science 2026-02-03 Brij Malhotra , Shivvrat Arya , Tahrima Rahman , Vibhav Giridhar Gogate

We present an end-to-end trainable framework for P-frame compression in this paper. A joint motion vector (MV) and residual prediction network MV-Residual is designed to extract the ensembled features of motion representations and residual…

Image and Video Processing · Electrical Eng. & Systems 2020-05-28 XiangJi Wu , Ziwen Zhang , Jie Feng , Lei Zhou , Junmin Wu

Despite the impressive performance of Multi-view Stereo (MVS) approaches given plenty of training samples, the performance degradation when generalizing to unseen domains has not been clearly explored yet. In this work, we focus on the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Hongbin Xu , Weitao Chen , Baigui Sun , Xuansong Xie , Wenxiong Kang

Accurate prediction of local distortion visibility thresholds is critical in many image and video processing applications. Existing methods require an accurate modeling of the human visual system, and are derived through pshycophysical…

Multimedia · Computer Science 2018-03-13 Navaneeth Kamballur Kottayil , Giuseppe Valenzise , Frederic Dufaux , Irene Cheng

Text-video retrieval is a challenging task that aims to search relevant video contents based on natural language descriptions. The key to this problem is to measure text-video similarities in a joint embedding space. However, most existing…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Xiaohan Wang , Linchao Zhu , Yi Yang

Modern machine learning architectures are often highly expressive. They are usually over-parameterized and can interpolate the data by driving the empirical loss close to zero. We analyze the convergence of Local SGD (or FedAvg) for such…

Machine Learning · Computer Science 2024-06-11 Tiancheng Qin , S. Rasoul Etesami , César A. Uribe

Stochastic optimisation algorithms are the de facto standard for machine learning with large amounts of data. Handling only a subset of available data in each optimisation step dramatically reduces the per-iteration computational costs,…

Numerical Analysis · Mathematics 2024-12-19 Matthias J. Ehrhardt , Zeljko Kereta , Jingwei Liang , Junqi Tang

Extraction of local feature descriptors is a vital stage in the solution pipelines for numerous computer vision tasks. Learning-based approaches improve performance in certain tasks, but still cannot replace handcrafted features in general.…

Computer Vision and Pattern Recognition · Computer Science 2018-04-19 Kun He , Yan Lu , Stan Sclaroff

The rapid growth of image data has led to the development of advanced image processing and computer vision techniques, which are crucial in various applications such as image classification, image segmentation, and pattern recognition.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Zeinab Sedaghatjoo , Hossein Hosseinzadeh , Bahram Sadeghi Bigham

Non-convex optimization is ubiquitous in modern machine learning. Researchers devise non-convex objective functions and optimize them using off-the-shelf optimizers such as stochastic gradient descent and its variants, which leverage the…

Machine Learning · Computer Science 2021-03-26 Tengyu Ma

Local solutions for variational and quasi-variational inequalities are usually the best type of solutions that could practically be obtained when in case of lack of convexity or else when available numerical techniques are too limited for…

Optimization and Control · Mathematics 2024-05-16 Didier Aussel , Parin Chaipunya

A large number of different feature detectors has been proposed so far. Any existing approach presents strengths and weaknesses, which make a detector optimal only for a limited range of applications. A tool capable of selecting the optimal…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Bruno Ferrarini , Shoaib Ehsan , Naveed Ur Rehman , Ales Leonardis , Klaus D. McDonald-Maier