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Short-term action anticipation (STA) in first-person videos is a challenging task that involves understanding the next active object interactions and predicting future actions. Existing action anticipation methods have primarily focused on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Sanket Thakur , Cigdem Beyan , Pietro Morerio , Vittorio Murino , Alessio Del Bue

Estimating 3D poses from a monocular video is still a challenging task, despite the significant progress that has been made in recent years. Generally, the performance of existing methods drops when the target person is too small/large, or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Yu Cheng , Bo Yang , Bo Wang , Robby T. Tan

Annotating tens or hundreds of tiny objects in a given image is laborious yet crucial for a multitude of Computer Vision tasks. Such imagery typically contains objects from various categories, yet the multi-class interactive annotation…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Chunggi Lee , Seonwook Park , Heon Song , Jeongun Ryu , Sanghoon Kim , Haejoon Kim , Sérgio Pereira , Donggeun Yoo

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

The task of action detection aims at deducing both the action category and localization of the start and end moment for each action instance in a long, untrimmed video. While vision Transformers have driven the recent advances in video…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Yuetian Weng , Zizheng Pan , Mingfei Han , Xiaojun Chang , Bohan Zhuang

Automatic surgical gesture recognition is a prerequisite of intra-operative computer assistance and objective surgical skill assessment. Prior works either require additional sensors to collect kinematics data or have limitations on…

Image and Video Processing · Electrical Eng. & Systems 2020-07-15 Jinglu Zhang , Yinyu Nie , Yao Lyu , Hailin Li , Jian Chang , Xiaosong Yang , Jian Jun Zhang

Gesture recognition is essential for the interaction of autonomous vehicles with humans. While the current approaches focus on combining several modalities like image features, keypoints and bone vectors, we present neural network…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Adrian Holzbock , Alexander Tsaregorodtsev , Youssef Dawoud , Klaus Dietmayer , Vasileios Belagiannis

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Taking advantage of human pose data for understanding human activities has attracted much attention these days. However, state-of-the-art pose estimators struggle in obtaining high-quality 2D or 3D pose data due to occlusion, truncation and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Di Yang , Rui Dai , Yaohui Wang , Rupayan Mallick , Luca Minciullo , Gianpiero Francesca , Francois Bremond

Fine-grained action recognition (FGAR) aims to identify subtle and distinctive differences among fine-grained action categories. However, current recognition methods often capture coarse-grained motion patterns but struggle to identify…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Baoli Sun , Yihan Wang , Xinzhu Ma , Zhihui Wang , Kun Lu , Zhiyong Wang

Long-term object detection requires the integration of frame-based results over several seconds. For non-deformable objects, long-term detection is often addressed using object detection followed by video tracking. Unfortunately, tracking…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Sravani Teeparthi , Venkatesh Jatla , Marios S. Pattichis , Sylvia Celedon Pattichis , Carlos LopezLeiva

Realistic videos of human actions exhibit rich spatiotemporal structures at multiple levels of granularity: an action can always be decomposed into multiple finer-grained elements in both space and time. To capture this intuition, we…

Computer Vision and Pattern Recognition · Computer Science 2015-09-01 Tian Lan , Yuke Zhu , Amir Roshan Zamir , Silvio Savarese

Online recognition of gestures is critical for intuitive human-robot interaction (HRI) and further push collaborative robotics into the market, making robots accessible to more people. The problem is that it is difficult to achieve accurate…

Robotics · Computer Science 2023-04-17 M. A. Simão , O. Gibaru , P. Neto

The goal of human action recognition is to temporally or spatially localize the human action of interest in video sequences. Temporal localization (i.e. indicating the start and end frames of the action in a video) is referred to as…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Waqas Sultani , Qazi Ammar Arshad , Chen Chen

In this paper, we propose a novel method for video moment retrieval (VMR) that achieves state of the arts (SOTA) performance on R@1 metrics and surpassing the SOTA on the high IoU metric (R@1, IoU=0.7). First, we propose to use a multi-head…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Xinli Yu , Mohsen Malmir , Cynthia He , Yue Liu , Rex Wu

In this paper, we present a one-stage framework TriDet for temporal action detection. Existing methods often suffer from imprecise boundary predictions due to the ambiguous action boundaries in videos. To alleviate this problem, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Dingfeng Shi , Yujie Zhong , Qiong Cao , Lin Ma , Jia Li , Dacheng Tao

We introduce completion moment detection for actions - the problem of locating the moment of completion, when the action's goal is confidently considered achieved. The paper proposes a joint classification-regression recurrent model that…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Farnoosh Heidarivincheh , Majid Mirmehdi , Dima Damen

Unobtrusive and smart recognition of human activities using smartphones inertial sensors is an interesting topic in the field of artificial intelligence acquired tremendous popularity among researchers, especially in recent years. A…

Machine Learning · Computer Science 2021-09-21 Meysam Vakili , Masoumeh Rezaei

We present a dual-pathway approach for recognizing fine-grained interactions from videos. We build on the success of prior dual-stream approaches, but make a distinction between the static and dynamic representations of objects and their…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Tae Soo Kim , Jonathan Jones , Gregory D. Hager

Action segmentation is a challenging task in high-level process analysis, typically performed on video or kinematic data obtained from various sensors. This work presents two contributions related to action segmentation on kinematic data.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Adam Goldbraikh , Omer Shubi , Or Rubin , Carla M Pugh , Shlomi Laufer