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Reliable detection of human occupancy in indoor environments is critical for various energy efficiency, security, and safety applications. We consider this challenge of occupancy detection using extremely low-quality, privacy-preserving…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Homagni Saha , Sin Yong Tan , Ali Saffari , Mohamad Katanbaf , Joshua R. Smith , Soumik Sarkar

With the growth of smart building applications, occupancy information in residential buildings is becoming more and more significant. In the context of the smart buildings' paradigm, this kind of information is required for a wide range of…

Signal Processing · Electrical Eng. & Systems 2022-09-26 Sangkeum Lee , Sarvar Hussain Nengroo , Hojun Jin , Yoonmee Doh , Chungho Lee , Taewook Heo , Dongsoo Har

Smart buildings use occupancy sensing for various tasks ranging from energy-efficient HVAC and lighting to space-utilization analysis and emergency response. We propose a people counting system which uses a low-resolution thermal sensor.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Mertcan Cokbas , Prakash Ishwar , Janusz Konrad

Information about room-level occupancy is crucial to many building-related tasks, such as building automation or energy performance simulation. Current occupancy detection literature focuses on data-driven methods, but is mostly based on…

Machine Learning · Computer Science 2025-11-20 Manuel Weber , Christoph Doblander , Peter Mandl

Heating, Ventilation and Air Conditioning (HVAC) consumes a significant fraction of energy in commercial buildings. Hence, the use of optimization techniques to reduce HVAC energy consumption has been widely studied. Model predictive…

Systems and Control · Computer Science 2018-10-26 Milan Jain , Rachel K Kalaimani , Srinivasan Keshav , Catherine Rosenberg

3D occupancy becomes a promising perception representation for autonomous driving to model the surrounding environment at a fine-grained scale. However, it remains challenging to efficiently aggregate 3D occupancy over time across multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Ziyang Leng , Jiawei Yang , Wenlong Yi , Bolei Zhou

Accurate perception of the dynamic environment is a fundamental task for autonomous driving and robot systems. This paper introduces Let Occ Flow, the first self-supervised work for joint 3D occupancy and occupancy flow prediction using…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yili Liu , Linzhan Mou , Xuan Yu , Chenrui Han , Sitong Mao , Rong Xiong , Yue Wang

We introduce a new family of video prediction models designed to support downstream control tasks. We call these models Video Occupancy models (VOCs). VOCs operate in a compact latent space, thus avoiding the need to make predictions about…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Manan Tomar , Philippe Hansen-Estruch , Philip Bachman , Alex Lamb , John Langford , Matthew E. Taylor , Sergey Levine

Occupancy prediction has garnered increasing attention in recent years for its comprehensive fine-grained environmental representation and strong generalization to open-set objects. However, cumbersome voxel features and 3D convolution…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jinqing Zhang , Yanan Zhang , Qingjie Liu , Yunhong Wang

This paper presents an efficient approach for building occupancy modeling to reduce energy consumption. In this work, a novel approach to occupancy modeling based on the posture and comfort level of the occupant is developed, and…

Systems and Control · Electrical Eng. & Systems 2023-02-27 Shreya Das

In the realm of autonomous vehicle perception, comprehending 3D scenes is paramount for tasks such as planning and mapping. Camera-based 3D Semantic Occupancy Prediction (OCC) aims to infer scene geometry and semantics from limited…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Sanbao Su , Nuo Chen , Chenchen Lin , Felix Juefei-Xu , Chen Feng , Fei Miao

3D occupancy prediction is an important task for the robustness of vision-centric autonomous driving, which aims to predict whether each point is occupied in the surrounding 3D space. Existing methods usually require 3D occupancy labels to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Yuanhui Huang , Wenzhao Zheng , Borui Zhang , Jie Zhou , Jiwen Lu

In the past few years, several case studies have illustrated that the use of occupancy information in buildings leads to energy-efficient and low-cost HVAC operation. The widely presented techniques for occupancy estimation include…

Sound · Computer Science 2016-03-01 Qian Huang , Zhenhao Ge , Chao Lu

In this paper, we attempt to employ convolutional recurrent neural networks for weather temperature estimation using only image data. We study ambient temperature estimation based on deep neural networks in two scenarios a) estimating…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Wei-Ta Chu , Kai-Chia Ho , Ali Borji

Camera-based 3D occupancy prediction has recently garnered increasing attention in outdoor driving scenes. However, research in indoor scenes remains relatively unexplored. The core differences in indoor scenes lie in the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hongxiao Yu , Yuqi Wang , Yuntao Chen , Zhaoxiang Zhang

Comprehensive modeling of the surrounding 3D world is key to the success of autonomous driving. However, existing perception tasks like object detection, road structure segmentation, depth & elevation estimation, and open-set object…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Yuqi Wang , Yuntao Chen , Xingyu Liao , Lue Fan , Zhaoxiang Zhang

Camera-based occupancy prediction is a mainstream approach for 3D perception in autonomous driving, aiming to infer complete 3D scene geometry and semantics from 2D images. Almost existing methods focus on improving performance through…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Rongtao Xu , Jinzhou Lin , Jialei Zhou , Jiahua Dong , Changwei Wang , Ruisheng Wang , Li Guo , Shibiao Xu , Xiaodan Liang

3D scene understanding plays a vital role in vision-based autonomous driving. While most existing methods focus on 3D object detection, they have difficulty describing real-world objects of arbitrary shapes and infinite classes. Towards a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yi Wei , Linqing Zhao , Wenzhao Zheng , Zheng Zhu , Jie Zhou , Jiwen Lu

Computer vision relies on labeled datasets for training and evaluation in detecting and recognizing objects. The popular computer vision program, YOLO ("You Only Look Once"), has been shown to accurately detect objects in many major image…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Caleb Tung , Matthew R. Kelleher , Ryan J. Schlueter , Binhan Xu , Yung-Hsiang Lu , George K. Thiruvathukal , Yen-Kuang Chen , Yang Lu

In intelligent building management, knowing the number of people and their location in a room are important for better control of its illumination, ventilation, and heating with reduced costs and improved comfort. This is typically achieved…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Thomas Dubail , Fidel Alejandro Guerrero Peña , Heitor Rapela Medeiros , Masih Aminbeidokhti , Eric Granger , Marco Pedersoli