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1. 发明申请

US20130155295A1 METHOD AND APPARATUS FOR MAINTAINING A MINIMUM PIXEL DENSITY ACROSS AN OBJECT OF INTEREST 有权
标题翻译：用于维护一个最小像素密度的方法和装置
公开(公告)号：US20130155295A1
公开(公告)日：2013-06-20
申请号：US13329969
申请日：2011-12-19
申请人： TYRONE D. BEKIARES , KEVIN J. O'CONNELL , STEVEN D. TINE
发明人： TYRONE D. BEKIARES , KEVIN J. O'CONNELL , STEVEN D. TINE
IPC分类号： H04N5/262
CPC分类号： H04N5/23206 , H04N5/23296 , H04N7/185
摘要： A method includes receiving a frame containing an object of interest and determining a current pixel density of the object of interest. The current pixel density is compared to a minimum pixel density to generate a comparison result and an indication is received of available throughput of a wireless network used to transmit the video. Based on the comparison result and the available throughput, a pixel density compensation method is selected from multiple methods, which include adjusting a zoom feature of a camera used to capture the video and adjusting encoded frame resolution. Using the selected pixel density compensation method, a pixel density compensation parameter is determined to adjust the current pixel density with respect to the minimum pixel density for the object of interest. The pixel density compensation parameter is provided to one or both of the camera or an encoder that sends the video over the wireless network.
摘要翻译：一种方法包括接收包含感兴趣对象的帧并确定感兴趣对象的当前像素密度。将当前像素密度与最小像素密度进行比较以产生比较结果，并且接收到用于发送视频的无线网络的可用吞吐量的指示。基于比较结果和可用吞吐量，从多种方法中选择像素密度补偿方法，其中包括调整用于捕获视频的相机的缩放特征并调整编码的帧分辨率。使用所选择的像素密度补偿方法，确定像素密度补偿参数以相对于感兴趣对象的最小像素密度调整当前像素密度。将像素密度补偿参数提供给相机或通过无线网络发送视频的编码器中的一个或两者。

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