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本文描述改善矢量最化图像的主观质量的两种方法:1)采用不同的图像块形状;2)对图像的中间区域(与周围区域相比)在编码时采用较高的精度。实验结果表明:这两种方法的重建图像都有较高的主观质量(与峰值信噪比相比)。
This article describes two ways to improve the subjective quality of vectorized images: 1) using different image block shapes; and 2) using a higher precision in the middle of the image (compared to the surrounding area) when encoding. The experimental results show that the reconstructed images of both methods have higher subjective quality (compared with the peak signal to noise ratio).