基於opencv RGB與YUV420的轉換

opencv的cvtColor函數能夠實現RGB與YUV420的轉換函數 RGB轉化爲YUV420範例代碼片斷：spa <pre name="code" class="cpp"><span style="white-space:pre"> </span>int w = 2448;<span style="white-space:pre"> </span>//寬 int h= 2080;<span

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