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The rapid advancement in the field of deep learning and high performance computing has highly augmented the scope of video based vehicle counting system. In this paper, the authors deploy several state of the art object detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Vishal Mandal , Yaw Adu-Gyamfi

Optimized for pixel fidelity metrics, images compressed by existing image codec are facing systematic challenges when used for visual analysis tasks, especially under low-bitrate coding. This paper proposes a visual analysis-motivated…

Image and Video Processing · Electrical Eng. & Systems 2021-04-22 Zhimeng Huang , Chuanmin Jia , Shanshe Wang , Siwei Ma

The encoder-decoder based methods for semi-supervised video object segmentation (Semi-VOS) have received extensive attention due to their superior performances. However, most of them have complex intermediate networks which generate strong…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Suhwan Cho , MyeongAh Cho , Tae-young Chung , Heansung Lee , Sangyoun Lee

Inferring the quality of network services is the vital basis of optimization for network operators. However, prevailing real-time video streaming applications adopt encryption for security, leaving it a problem to extract Quality of Service…

Multimedia · Computer Science 2022-11-07 Sheng Cheng

The widely used adaptive HTTP streaming requires an efficient algorithm to encode the same video to different resolutions. In this paper, we propose a fast block structure determination algorithm based on the AV1 codec that accelerates high…

Multimedia · Computer Science 2018-10-17 Bichuan Guo , Yuxing Han , Jiangtao Wen

Region of Interest (ROI) crowd counting can be formulated as a regression problem of learning a mapping from an image or a video frame to a crowd density map. Recently, convolutional neural network (CNN) models have achieved promising…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Feng Xiong , Xingjian Shi , Dit-Yan Yeung

Recently, natural language has been the primary medium for human-robot interaction. However, its inherent lack of spatial precision introduces challenges for robotic task definition such as ambiguity and verbosity. Moreover, in some public…

Robotics · Computer Science 2025-07-29 Yanbang Li , Ziyang Gong , Haoyang Li , Xiaoqi Huang , Haolan Kang , Guangping Bai , Xianzheng Ma

In this paper, we address the challenge of performing open-vocabulary video instance segmentation (OV-VIS) in real-time. We analyze the computational bottlenecks of state-of-the-art foundation models that performs OV-VIS, and propose a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Bin Yan , Martin Sundermeyer , David Joseph Tan , Huchuan Lu , Federico Tombari

For discrete memoryless multiple-access channels, we propose a general definition of variable length codes with a measure of the transmission rates at the receiver side. This gives a receiver perspective on the multiple-access channel…

Information Theory · Computer Science 2011-02-28 Stephane Musy

The method of random projections has become very popular for large-scale applications in statistical learning, information retrieval, bio-informatics and other applications. Using a well-designed coding scheme for the projected data, which…

Machine Learning · Computer Science 2013-08-12 Ping Li , Michael Mitzenmacher , Anshumali Shrivastava

Given an object mask, Semi-supervised Video Object Segmentation (SVOS) technique aims to track and segment the object across video frames, serving as a fundamental task in computer vision. Although recent memory-based methods demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Guanyi Qin , Ziyue Wang , Daiyun Shen , Haofeng Liu , Hantao Zhou , Junde Wu , Runze Hu , Yueming Jin

In recent years, online Video Instance Segmentation (VIS) methods have shown remarkable advancement with their powerful query-based detectors. Utilizing the output queries of the detector at the frame-level, these methods achieve high…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Hanjung Kim , Jaehyun Kang , Miran Heo , Sukjun Hwang , Seoung Wug Oh , Seon Joo Kim

Optical-readout Time Projection Chambers (TPCs) produce megapixel-scale images whose fine-grained topological information is essential for rare-event searches, but whose size challenges real-time data selection. We present an unsupervised,…

Due to the growth of video data on Internet, automatic video analysis has gained a lot of attention from academia as well as companies such as Facebook, Twitter and Google. In this paper, we examine the robustness of video analysis…

Multimedia · Computer Science 2017-08-16 Hossein Hosseini , Baicen Xiao , Andrew Clark , Radha Poovendran

Purpose Automated detection of region of interest (ROI) is a critical step for many medical image applications such as heart ROIs detection in perfusion MRI images, lung boundary detection in chest X-rays, and femoral head detection in…

Image and Video Processing · Electrical Eng. & Systems 2021-03-03 Feng-Yu Liu , Chih-Chi Chen , Shann-Ching Chen , Chien-Hung Liao

Interactive segmentation aims to accurately segment target objects with minimal user interactions. However, current methods often fail to accurately separate target objects from the background, due to a limited understanding of order, the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Bin Wang , Anwesa Choudhuri , Meng Zheng , Zhongpai Gao , Benjamin Planche , Andong Deng , Qin Liu , Terrence Chen , Ulas Bagci , Ziyan Wu

When a deep neural network is trained on data with only image-level labeling, the regions activated in each image tend to identify only a small region of the target object. We propose a method of using videos automatically harvested from…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Jungbeom Lee , Eunji Kim , Sungmin Lee , Jangho Lee , Sungroh Yoon

Location information is a fundamental requirement for unmanned aerial vehicles (UAVs) and other wireless sensor networks (WSNs). However, accurately and efficiently localizing sensor nodes with diverse functionalities remains a significant…

Networking and Internet Architecture · Computer Science 2025-06-03 Ze Zhang , Qian Dong

Audiovisual instance segmentation (AVIS) requires accurately localizing and tracking sounding objects throughout video sequences. Existing methods suffer from visual bias stemming from two fundamental issues: uniform additive fusion…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-30 Jinbae Seo , Hyeongjun Kwon , Kwonyoung Kim , Jiyoung Lee , Kwanghoon Sohn

This work is an endeavor to develop a deep learning methodology for automated anatomical labeling of a given region of interest (ROI) in brain computed tomography (CT) scans. We combine both local and global context to obtain a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Srikrishna Varadarajan , Muktabh Mayank Srivastava , Monika Grewal , Pulkit Kumar