no code implementations • 13 Feb 2024 • Fei Deng, Qifei Wang, Wei Wei, Matthias Grundmann, Tingbo Hou
However, in the vision domain, existing RL-based reward finetuning methods are limited by their instability in large-scale training, rendering them incapable of generalizing to complex, unseen prompts.
no code implementations • 11 Jan 2024 • Seung Hyun Lee, Yinxiao Li, Junjie Ke, Innfarn Yoo, Han Zhang, Jiahui Yu, Qifei Wang, Fei Deng, Glenn Entis, Junfeng He, Gang Li, Sangpil Kim, Irfan Essa, Feng Yang
Additionally, Parrot employs a joint optimization approach for the T2I model and the prompt expansion network, facilitating the generation of quality-aware text prompts, thus further enhancing the final image quality.
no code implementations • 19 Sep 2023 • Esha Uboweja, David Tian, Qifei Wang, Yi-Chun Kuo, Joe Zou, Lu Wang, George Sung, Matthias Grundmann
Our framework provides a pre-trained single-hand embedding model that can be fine-tuned for custom gesture recognition.
no code implementations • 30 May 2023 • Ilker Oguz, Junjie Ke, Qifei Wang, Feng Yang, Mustafa Yıldırım, Niyazi Ulas Dinc, Jih-Liang Hsieh, Christophe Moser, Demetri Psaltis
Neural networks (NN) have demonstrated remarkable capabilities in various tasks, but their computation-intensive nature demands faster and more energy-efficient hardware implementations.
2 code implementations • ICCV 2021 • Junjie Ke, Qifei Wang, Yilin Wang, Peyman Milanfar, Feng Yang
To accommodate this, the input images are usually resized and cropped to a fixed shape, causing image quality degradation.
Ranked #3 on Image Quality Assessment on MSU NR VQA Database
no code implementations • CVPR 2021 • Xinjie Fan, Qifei Wang, Junjie Ke, Feng Yang, Boqing Gong, Mingyuan Zhou
As a generic tool, the improvement introduced by ASR-Norm is agnostic to the choice of ADA methods.
no code implementations • 10 Oct 2020 • Qifei Wang, Junjie Ke, Joshua Greaves, Grace Chu, Gabriel Bender, Luciano Sbaiz, Alec Go, Andrew Howard, Feng Yang, Ming-Hsuan Yang, Jeff Gilbert, Peyman Milanfar
This approach effectively reduces the total number of parameters and FLOPS, encouraging positive knowledge transfer while mitigating negative interference across domains.
1 code implementation • ECCV 2020 • Taihong Xiao, Jinwei Yuan, Deqing Sun, Qifei Wang, Xin-Yu Zhang, Kehan Xu, Ming-Hsuan Yang
Cost volume is an essential component of recent deep models for optical flow estimation and is usually constructed by calculating the inner product between two feature vectors.
no code implementations • 2 Aug 2016 • Qifei Wang
This paper summarizes the recent progress in human motion analysis and its applications.
no code implementations • 21 Dec 2015 • Qifei Wang, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy
In order to generate the kinematic parameter from the noisy data captured by Kinect, we propose a kinematic filtering algorithm based on Unscented Kalman Filter and the kinematic model of human skeleton.
no code implementations • 13 Dec 2015 • Qifei Wang, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy
In this paper, we propose a method for temporal segmentation of human repetitive actions based on frequency analysis of kinematic parameters, zero-velocity crossing detection, and adaptive k-means clustering.
no code implementations • 13 Dec 2015 • Qifei Wang, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy
Microsoft Kinect camera and its skeletal tracking capabilities have been embraced by many researchers and commercial developers in various applications of real-time human movement analysis.
no code implementations • 8 Dec 2015 • Qifei Wang
This paper reviews the recent progresses of the depth map generation for dynamic scene and its corresponding computational models.
no code implementations • 21 Oct 2015 • Yao Zhai, Qifei Wang, Yan Lu, Shipeng Li
This paper proposes an efficient content adaptive screen image scaling scheme for the real-time screen applications like remote desktop and screen sharing.