一种功能丰富的视频会议摄像机图像处理FPGA系统

Takashi Odan, Takuto Kanamori, Kenji Kise
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引用次数: 1

摘要

视频会议是用于研究和教育目的的远程会议的一种手段。视频会议系统提供了一些增强功能,如虚拟背景功能、幻灯片共享功能、非语言反馈功能等。但是,有一个问题是,有些计算机不能支持这些功能,因为视频会议系统可能需要高性能处理器和最新的软件堆栈。本文介绍了一种基于FPGA的功能丰富的网络摄像机系统。我们设计并实现了视频处理的核心模块——视频处理模块(VPM)。VPM提供虚拟背景、显示消息、调整适合视频会议的人脸大小等多种视频处理功能。我们证明了我们的摄像系统可以使用低端FPGA实现。我们的评估表明,与软件实现相比,我们的相机系统延迟降低了11.7倍,提供了丰富的功能,具有60fps的1280×720像素的高帧率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A function-rich FPGA system of camera image processing for video meeting
A video conference is used as a means of meeting in remote places for research and education purposes. The video conference system provides some enhanced functions, such as virtual background function, slide sharing function, non-verbal feedback function. However, there is a problem that some computers cannot support such functions because the video conference system may require high-performance processors and the latest software stacks. In this paper, we describe a function-rich web camera system using an FPGA. We design and implement the core module named video processing module (VPM) for video processing. VPM provides various video processing functions such as virtual background, displaying messages, and the resize of the human face suitable for video meetings. We show that our camera system can be implemented using a low-end FPGA. Our evaluations show that our camera system is 11.7 times lower latency against a software implementation, providing rich functions with high frame rates at 60fps of 1280×720 pixels.
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