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Real-time understanding in video is crucial in various AI applications such as autonomous driving. This work presents a fast single-shot segmentation strategy for video scene understanding. The proposed net, called S3-Net, quickly locates…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Yuan Cheng , Yuchao Yang , Hai-Bao Chen , Ngai Wong , Hao Yu

Understanding forest health is of great importance for the conservation of the integrity of forest ecosystems. In this regard, evaluating the amount and quality of dead wood is of utmost interest as they are favorable indicators of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Tsz Chung Wong , Abubakar Sani-Mohammed , Jinhong Wang , Puzuo Wang , Wei Yao , Marco Heurich

Visual surveillance aims to perform robust foreground object detection regardless of the time and place. Object detection shows good results using only spatial information, but foreground object detection in visual surveillance requires…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Keong-Hun Choi , Jong-Eun Ha

Trees Outside Forests (TOF) play an important role in agricultural landscapes by supporting biodiversity, sequestering carbon, and regulating microclimates. Yet, most studies have treated TOF as a single class or relied on rigid rule-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Moritz Lucas , Hamid Ebrahimy , Viacheslav Barkov , Ralf Pecenka , Kai-Uwe Kühnberger , Björn Waske

Purpose: A profound education of novice surgeons is crucial to ensure that surgical interventions are effective and safe. One important aspect is the teaching of technical skills for minimally invasive or robot-assisted procedures. This…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Isabel Funke , Sören Torge Mees , Jürgen Weitz , Stefanie Speidel

Large-area crop classification using multi-spectral imagery is a widely studied problem for several decades and is generally addressed using classical Random Forest classifier. Recently, deep convolutional neural networks (DCNN) have been…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Muhammad Usman Qadeer , Salar Saeed , Murtaza Taj , Abubakr Muhammad

Climate change has increased the vulnerability of forests to insect-related damage, resulting in widespread forest loss in Central Europe and highlighting the need for effective, continuous monitoring systems. Remote sensing based forest…

Machine Learning · Computer Science 2025-12-10 Maximilian Kirsch , Jakob Wernicke , Pawan Datta , Christine Preisach

Currently, spatiotemporal features are embraced by most deep learning approaches for human action detection in videos, however, they neglect the important features in frequency domain. In this work, we propose an end-to-end network that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Changhai Li , Huawei Chen , Jingqing Lu , Yang Huang , Yingying Liu

Fine-grained action detection is an important task with numerous applications in robotics and human-computer interaction. Existing methods typically utilize a two-stage approach including extraction of local spatio-temporal features…

Computer Vision and Pattern Recognition · Computer Science 2019-11-11 Khoi-Nguyen C. Mac , Dhiraj Joshi , Raymond A. Yeh , Jinjun Xiong , Rogerio S. Feris , Minh N. Do

The purpose of this study was to investigate the use of deep learning for coniferous/deciduous classification of individual trees from airborne LiDAR data. To enable efficient processing by a deep convolutional neural network (CNN), we…

Machine Learning · Computer Science 2018-02-27 Hamid Hamraz , Nathan B. Jacobs , Marco A. Contreras , Chase H. Clark

The purpose of gesture recognition is to recognize meaningful movements of human bodies, and gesture recognition is an important issue in computer vision. In this paper, we present a multimodal gesture recognition method based on 3D densely…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Yi Zhang , Chong Wang , Ye Zheng , Jieyu Zhao , Yuqi Li , Xijiong Xie

In this paper, we propose to improve the traditional use of RNNs by employing a many to many model for video classification. We analyze the importance of modeling spatial layout and temporal encoding for daily living action recognition.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Srijan Das , Michal Koperski , Francois Bremond , Gianpiero Francesca

Learning image representations with ConvNets by pre-training on ImageNet has proven useful across many visual understanding tasks including object detection, semantic segmentation, and image captioning. Although any image representation can…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Du Tran , Jamie Ray , Zheng Shou , Shih-Fu Chang , Manohar Paluri

Using offline training schemes, researchers have tackled the event segmentation problem by providing full or weak-supervision through manually annotated labels or self-supervised epoch-based training. Most works consider videos that are at…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Ramy Mounir , Roman Gula , Jörn Theuerkauf , Sudeep Sarkar

We model the spatial dynamics of a forest stand by using a special class of spatio-temporal point processes, the sequential spatial point process, where the spatial dimension is parameterized and the time component is atomic. The sequential…

Robots equipped with situational awareness can help humans efficiently find their lost objects by leveraging spatial and temporal structure. Existing approaches to video and image retrieval do not take into account the unique constraints…

Robotics · Computer Science 2021-10-26 Ifrah Idrees , Zahid Hasan , Steven P. Reiss , Stefanie Tellex

Deep convolutional networks have achieved great success for image recognition. However, for action recognition in videos, their advantage over traditional methods is not so evident. We present a general and flexible video-level framework…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Limin Wang , Yuanjun Xiong , Zhe Wang , Yu Qiao , Dahua Lin , Xiaoou Tang , Luc Van Gool

Attempting to apply deep learning methods to wood panels bark removal equipment to enhance the quality and efficiency of bark removal is a significant and challenging endeavor. This study develops and tests a deep learning-based wood panels…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Rijun Wang , Guanghao Zhang , Hongyang Chen , Xinye Yu , Yesheng Chen , Fulong Liang , Xiangwei Mou , Bo Wang

Large-scale Earth system datasets, from high-resolution remote sensing imagery to spatiotemporal climate model outputs, exhibit characteristics analogous to those of standard videos. Their inherent spatial, temporal, and spectral…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Oscar J. Pellicer-Valero , Cesar Aybar , Gustau Camps Valls

Deep neural networks are efficient learning machines which leverage upon a large amount of manually labeled data for learning discriminative features. However, acquiring substantial amount of supervised data, especially for videos can be a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-16 Sujoy Paul , Sourya Roy , Amit K. Roy-Chowdhury