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iPhone新专利:怎么减少视频文件体积节省电量 - 站长搜索
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iPhone新专利:怎么减少视频文件体积节省电量

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2020-08-13 01:11:09 转载来源: 太平洋电脑

  [AdminSo资讯]8月7日消息,据外媒报道,苹果曝光的最新专利显示,该公司已经找到减少iPhone视频文件体积、节省电量消耗的方法,即在图像传感器上对视频数据进行预处理。  目前,iPhone、iPad或任何其他设备上的摄像头上都有图像传感器,它可以记录接收到的所有光线

  [AdminSo资讯]8月7日消息,据外媒报道,苹果曝光的最新专利显示,该公司已经找到减少iPhone视频文件体积节省电量消耗的方法,即在图像传感器上对视频数据进行预处理。

  目前,iPhone、iPad或任何其他设备上的摄像头上都有图像传感器,它可以记录接收到的所有光线。然后,视频数据会被传递到创建图像的处理器上。

  然而,随着iPhone摄像头的分辨率越来越高,人们使用它们录制的视频更长,为此需要处理的数据量也在急剧增加,这往往会增加复杂性、成本以及功耗,使设备电量很快耗尽。

  苹果的新专利名为“用事件摄像头生成静态图像”,它只处理视频图像中与前一帧相比发生改变的部分。摄像头不会捕捉所有东西,只有在检测到视场变化时才输出数据。

  通常,当图像被处理并制作成JPEG或类似格式时,没有改变的像素会被丢弃,以便减小文件体积。而在苹果的描述中,这些像素甚至不会到达处理器,这样可以大大降低处理器的负担,从而降低电量消耗。

标签: iphone 摄像头 传感器 专利 ipad


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