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We present MovePose, an optimized lightweight convolutional neural network designed specifically for real-time body pose estimation on CPU-based mobile devices. The current solutions do not provide satisfactory accuracy and speed for human…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Dongyang Yu , Haoyue Zhang , Ruisheng Zhao , Guoqi Chen , Wangpeng An , Yanhong Yang

This work investigates the use of machine learning applied to the beam tracking problem in 5G networks and beyond. The goal is to decrease the overhead associated to MIMO millimeter wave beamforming. In comparison to beam selection (also…

Signal Processing · Electrical Eng. & Systems 2024-12-10 Ailton Oliveira , Daniel Suzuki , Sávio Bastos , Ilan Correa , Aldebaro Klautau

In the present paper, we propose a source camera identification method for mobile devices based on deep learning. Recently, convolutional neural networks (CNNs) have shown a remarkable performance on several tasks such as image recognition,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 David Freire-Obregón , Fabio Narducci , Silvio Barra , Modesto Castrillón-Santana

Finger photo Presentation Attack Detection (PAD) can significantly strengthen smartphone device security. However, these algorithms are trained to detect certain types of attacks. Furthermore, they are designed to operate on images acquired…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Anudeep Vurity , Emanuela Marasco , Raghavendra Ramachandra , Jongwoo Park

Automatic image matting (AIM) refers to estimating the soft foreground from an arbitrary natural image without any auxiliary input like trimap, which is useful for image editing. Prior methods try to learn semantic features to aid the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Jizhizi Li , Jing Zhang , Dacheng Tao

Image matting requires high-quality pixel-level human annotations to support the training of a deep model in recent literature. Whereas such annotation is costly and hard to scale, significantly holding back the development of the research.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yanda Li , Zilong Huang , Gang Yu , Ling Chen , Yunchao Wei , Jianbo Jiao

With the increasing use of smartphones in our daily lives, these devices have become capable of performing many complex tasks. Concerning the need for continuous monitoring of vital signs, especially for the elderly or those with certain…

Signal Processing · Electrical Eng. & Systems 2024-03-29 Taha Samavati , Mahdi Farvardin , Aboozar Ghaffari

Machine learning algorithms, in conjunction with user data, hold the promise of revolutionizing the way we interact with our phones, and indeed their widespread adoption in the design of apps bear testimony to this promise. However,…

Computer Vision and Pattern Recognition · Computer Science 2015-12-10 Jorge Ortiz , Chien-Chin Huang , Supriyo Chakraborty

This paper aims at addressing the problem of substantial performance degradation at extremely low computational cost (e.g. 5M FLOPs on ImageNet classification). We found that two factors, sparse connectivity and dynamic activation function,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-21 Yunsheng Li , Yinpeng Chen , Xiyang Dai , Dongdong Chen , Mengchen Liu , Lu Yuan , Zicheng Liu , Lei Zhang , Nuno Vasconcelos

Human pose estimation (HPE), particularly multi-person pose estimation (MPPE), has been applied in many domains such as human-machine systems. However, the current MPPE methods generally run on powerful GPU systems and take a lot of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Gongjin Lan , Yu Wu , Qi Hao

Autoregressive models (ARMs) currently hold state-of-the-art performance in likelihood-based modeling of image and audio data. Generally, neural network based ARMs are designed to allow fast inference, but sampling from these models is…

Machine Learning · Computer Science 2020-07-09 Auke Wiggers , Emiel Hoogeboom

In this paper we propose a global optimization-based approach to jointly matching a set of images. The estimated correspondences simultaneously maximize pairwise feature affinities and cycle consistency across multiple images. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2015-12-03 Xiaowei Zhou , Menglong Zhu , Kostas Daniilidis

Mobile vision transformers (MobileViT) can achieve state-of-the-art performance across several mobile vision tasks, including classification and detection. Though these models have fewer parameters, they have high latency as compared to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Sachin Mehta , Mohammad Rastegari

We present CompactFlowNet, the first real-time mobile neural network for optical flow prediction, which involves determining the displacement of each pixel in an initial frame relative to the corresponding pixel in a subsequent frame.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Andrei Znobishchev , Valerii Filev , Oleg Kudashev , Nikita Orlov , Humphrey Shi

Personalization has emerged as a prominent aspect within the field of generative AI, enabling the synthesis of individuals in diverse contexts and styles, while retaining high-fidelity to their identities. However, the process of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Nataniel Ruiz , Yuanzhen Li , Varun Jampani , Wei Wei , Tingbo Hou , Yael Pritch , Neal Wadhwa , Michael Rubinstein , Kfir Aberman

Autonomous vehicles rely heavily on sensors such as camera and LiDAR, which provide real-time information about their surroundings for the tasks of perception, planning and control. Typically a LiDAR can only provide sparse point cloud…

Image and Video Processing · Electrical Eng. & Systems 2020-07-07 Lin Bai , Yiming Zhao , Mahdi Elhousni , Xinming Huang

A key assumption of top-down human pose estimation approaches is their expectation of having a single person/instance present in the input bounding box. This often leads to failures in crowded scenes with occlusions. We propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Rawal Khirodkar , Visesh Chari , Amit Agrawal , Ambrish Tyagi

Matting with a static background, often referred to as ``Background Matting" (BGM), has garnered significant attention within the computer vision community due to its pivotal role in various practical applications like webcasting and photo…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Hanxi Li , Guofeng Li , Bo Li , Lin Wu , Yan Cheng

Transformer-based models have recently achieved outstanding performance in image matting. However, their application to high-resolution images remains challenging due to the quadratic complexity of global self-attention. To address this…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Yiheng Lin , Yihan Hu , Chenyi Zhang , Ting Liu , Xiaochao Qu , Luoqi Liu , Yao Zhao , Yunchao Wei

Interactive portrait matting refers to extracting the soft portrait from a given image that best meets the user's intent through their inputs. Existing methods often underperform in complex scenarios, mainly due to three factors. (1) Most…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Siyi Jiao , Wenzheng Zeng , Changxin Gao , Nong Sang
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