摘要
本文首先研究了分形图象压缩编码和分形插值图象压缩方法。这两种方法在压缩比很高时图象效果均不是很理想,为此我们提出了综合利用分形插值和分形图象编码方法进行图象数据高效压缩的思想。实验结果验证了这种思想的正确性和可行性。新的方法在恢复图象信噪比为28.5dB时,压缩倍数可高达76倍,速度也大大提高。
In this paper, fractal image coding and fractal interpolation for image compression are studied at first. Because the reconstructed image quality using the two methods at high compression is not good, a new image compression idea combining these two methods is proposed. The coding results verified the new idea. The compression ratio is as high as 76 to 1 as PSNR being 28.5 dB and coding time is very short.
关键词
分形
插值
图象编码
图象压缩
Fractal, Interpolation, Compression coding, Image compression
