English
Related papers

Related papers: Trajectory annotation using sequences of spatial p…

200 papers

Smooth and seamless robot navigation while interacting with humans depends on predicting human movements. Forecasting such human dynamics often involves modeling human trajectories (global motion) or detailed body joint movements (local…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Vida Adeli , Ehsan Adeli , Ian Reid , Juan Carlos Niebles , Hamid Rezatofighi

Learning generalizable trajectory representations from raw GPS traces remains difficult because the data is continuous, noisy, and irregularly sampled. Spatial tokenization is also challenging: fine grids yield sparse cells with weak…

Machine Learning · Computer Science 2026-05-20 Zhen Xiong , Shang-Ling Hsu , Cyrus Shahabi

Determining the traffic scenario space is a major challenge for the homologation and coverage assessment of automated driving functions. In contrast to current approaches that are mainly scenario-based and rely on expert knowledge, we…

Machine Learning · Computer Science 2020-07-16 Nick Harmening , Marin Biloš , Stephan Günnemann

We present a semantically rich graph representation for indoor robotic navigation. Our graph representation encodes: semantic locations such as offices or corridors as nodes, and navigational behaviors such as enter office or cross a…

Artificial Intelligence · Computer Science 2018-03-13 Gabriel Sepulveda , Juan Carlos Niebles , Alvaro Soto

Tendon-driven robots, a type of continuum robot, have the potential to reduce the invasiveness of surgery by enabling access to difficult-to-reach anatomical targets. In the future, the automation of surgical tasks for these robots may help…

Robotics · Computer Science 2021-10-18 Yixuan Huang , Michael Bentley , Tucker Hermans , Alan Kuntz

We present a universal framework to model contextualized sentence representations with visual awareness that is motivated to overcome the shortcomings of the multimodal parallel data with manual annotations. For each sentence, we first…

Computation and Language · Computer Science 2019-11-12 Zhuosheng Zhang , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita , Hai Zhao

Understanding human perceptions of robot performance is crucial for designing socially intelligent robots that can adapt to human expectations. Current approaches often rely on surveys, which can disrupt ongoing human-robot interactions. As…

We consider the task of learning to extract motion from videos. To this end, we show that the detection of spatial transformations can be viewed as the detection of synchrony between the image sequence and a sequence of features undergoing…

Computer Vision and Pattern Recognition · Computer Science 2014-02-11 Kishore Reddy Konda , Roland Memisevic , Vincent Michalski

Humans are able to localize objects in the environment using both visual and auditory cues, integrating information from multiple modalities into a common reference frame. We introduce a system that can leverage unlabeled audio-visual data…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Chuang Gan , Hang Zhao , Peihao Chen , David Cox , Antonio Torralba

Spatiotemporal forecasting is critical for real-world applications like traffic management, yet capturing reliable interactions remains challenging under noisy and non-stationary conditions. Existing methods primarily rely on historical…

Machine Learning · Computer Science 2026-05-20 Yinghao Ai , Yukai Zhou , Ruoxi Jiang , Junyi An , Chao Qu , Zhijian Zhou , Shiyu Wang , Fenglei Cao , Zenglin Xu , Furao Shen , Yuan Qi

In recent years, there has been a rapid development of spatio-temporal prediction techniques in response to the increasing demands of traffic management and travel planning. While advanced end-to-end models have achieved notable success in…

Machine Learning · Computer Science 2023-11-09 Zhonghang Li , Lianghao Xia , Yong Xu , Chao Huang

Self-supervised feature learning enables perception systems to benefit from the vast raw data recorded by vehicle fleets worldwide. While video-level self-supervised learning approaches have shown strong generalizability on classification…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Christopher Lang , Alexander Braun , Lars Schillingmann , Karsten Haug , Abhinav Valada

The speed and accuracy with which robots are able to interpret natural language is fundamental to realizing effective human-robot interaction. A great deal of attention has been paid to developing models and approximate inference algorithms…

Robotics · Computer Science 2019-03-25 Siddharth Patki , Andrea F. Daniele , Matthew R. Walter , Thomas M. Howard

Representation learning of pedestrian trajectories transforms variable-length timestamp-coordinate tuples of a trajectory into a fixed-length vector representation that summarizes spatiotemporal characteristics. It is a crucial technique to…

Machine Learning · Computer Science 2018-11-21 Ka-Ho Chow , Anish Hiranandani , Yifeng Zhang , S. -H. Gary Chan

In order to autonomously learn wide repertoires of complex skills, robots must be able to learn from their own autonomously collected data, without human supervision. One learning signal that is always available for autonomously collected…

Robotics · Computer Science 2017-10-18 Frederik Ebert , Chelsea Finn , Alex X. Lee , Sergey Levine

Imitation learning is an intuitive approach for teaching motion to robotic systems. Although previous studies have proposed various methods to model demonstrated movement primitives, one of the limitations of existing methods is that the…

Robotics · Computer Science 2020-09-24 Takayuki Osa , Shuhei Ikemoto

Adaptive cognition requires structured internal models of objects and their relations. Predictive neural networks are often proposed to learn such world models, but how these are instantiated and how they support prediction remain unclear.…

Machine Learning · Computer Science 2026-05-11 Linda Ariel Ventura , Victoria Bosch , Tim C Kietzmann , Sushrut Thorat

We propose a self-supervised method for learning representations based on spatial audio-visual correspondences in egocentric videos. Our method uses a masked auto-encoding framework to synthesize masked binaural (multi-channel) audio…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Sagnik Majumder , Ziad Al-Halah , Kristen Grauman

We describe a new spatio-temporal video autoencoder, based on a classic spatial image autoencoder and a novel nested temporal autoencoder. The temporal encoder is represented by a differentiable visual memory composed of convolutional long…

Machine Learning · Computer Science 2016-09-02 Viorica Patraucean , Ankur Handa , Roberto Cipolla

This paper aims to explore the problem of trajectory prediction in heterogeneous pedestrian zones, where social dynamics representation is a big challenge. Proposed is an end-to-end learning framework for prediction accuracy improvement…

Artificial Intelligence · Computer Science 2021-01-06 Ha Q. Ngo , Christoph Henke , Frank Hees