经试验证明，这是一种有效的编码方法，在相同压缩比率下提高了重建图像的峰值信噪比PSNR。
Experimental results show that the improved hybrid image coding can improve the PSNR of the rebuilded image at the same compression ratio.
通过实验验证了该算法的有效性，并以峰值信噪比(PSNR)为评价准则，利用多项式拟合方法选择了最优参数。
Experiments proved the validity of the model. Taking Peak Signal-to-Noise Ratio (PSNR) as criterion the best preference was found by using polynomial fitting.
仿真结果验证了算法的有效性，新算法改善了峰值信噪比和恢复效果，提高了算法收敛速度。
Computer simulations show that new algorithm improves peak signal to noise ratio, restoration effects and efficiency of operations, and speeds up the convergence speed.
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