A practical and optimal MPEG-2 adaptive quantization algorithm is presented for the optimal encoding of I-frames in the sense of maximizing PSNR.

在最大PSNR的情况下，针对I帧最优编码，提出了一种实用的mpeg_2自适应量化算法。

youdao

On the way out of LK Leon, one of their swish pairs of frames catches my eye, and I try them on: I can definitely see myself wearing glasses again.

在离开 LK Leon 公司时，他们一副时髦的框架眼镜吸引了我的目光，我试戴了一下：戴上框架眼镜，我又能清楚地看到我自己了。

youdao

Right now I think I want white for the window frames and yellow for the walls, but I'll let you know tomorrow.

现在我想我要白色的窗框，黄色的墙壁，但是我明天再告诉你。

youdao

"We took the roof off and lifted out some of the frames - even I got to handle them very carefully, " said Lesley.

BBC: Springwatch 2010: Bee Part Of It with BBC Suffolk

When the storm passed between El Reno and Yukon, it barreled down I-40 for more than two miles, ripping billboards down to twisted metal frames.

NPR: Frightened Okla. Residents Opt To Flee Tornadoes

At our first truck stop, I stole a pair of driving glasses that had yellow-tinted lenses and large black plastic frames.

NEWYORKER: Reverting to a Wild State