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发明授权
US5909252A High efficiency encoder and video information recording/reproducing apparatus 失效
高效率编码器和视频信息记录/再现装置

High efficiency encoder and video information recording/reproducing apparatus
摘要：
In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected. When a scene change occurs, a reference picture of motion-compensation prediction is switched, or the field immediately after the scene change is set as an intra-field.
摘要（中）：

在执行运动补偿预测的高效编码器中，每n个场设定场内场。 检测到场景变化的存在。 当发生场景变化时，切换运动补偿预测的参考图像，或将场景改变之后的场设置为场内。

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