Title :
Improved image compression using S-tree and shading approach
Author :
Chung, Kuo-Liang ; Wu, Jung-Gen
Author_Institution :
Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan
fDate :
5/1/2000 12:00:00 AM
Abstract :
Distasi et al. (see ibid., vol.45, p.1095-1100, 1997), presented a storage-saving image compression method called the B-tree triangular coding (BTTC) method. Based on the modified S-tree data structure and the Gouraud shading method, this paper presents an improved image compression method railed the S-tree compression (STC) method. Experimental results illustrate that the bit rates and the image quality of the proposed STC method are quite competitive with the BTTC method, Due to the simple geometrical decomposition in the STC method, the ratio of the execution time or the proposed method over the BTTC method is less than 1/2
Keywords :
data compression; image coding; image representation; tree data structures; B-tree triangular coding; BTTC method; Gouraud shading method; S-tree; S-tree compression method; STC method; bintree representation; bit rates; execution time ratio; experimental results; geometrical decomposition; image quality; modified S-tree data structure; shading; storage-saving image compression method; Bit rate; Data structures; Decoding; Encoding; Image coding; Image quality; Image retrieval; Image storage; Pixel; Transform coding;
Journal_Title :
Communications, IEEE Transactions on
