文件列表:

yuv420_3d.exe (225327, 2002-03-21)
yuv422_3d.exe (225329, 2002-03-21)
yuvd420_3d.exe (200753, 2002-03-21)
yuvd422_3d.exe (200753, 2002-03-21)

// = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = // THREEE DIMENSIONAL SPIHT COMPRESSION FOR COLOR IMAGE SEQUENCES // // = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // // Copyright (c) 1995, 1996, 1997 by Beong-Jo Kim, William A. Pearlman, // and Amir Said. // These programs are protected by Copyright (c) and patents. // They may not be redistributed without the consent of the copyright // holders. In no circumstances may the copyright notice be removed. // The programs may not be sold for profit nor may they be incorporated // in commercial programs without the written permission of the copyright // and patent holders. These programs are provided as is, without any express or // implied warranty, without even the warranty of fitness for a // particular purpose. // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Note: The routines (algorithms) may have bugs, despite our best efforts to remove as many as possible. Also, the programs have never been optimized to minimize computational time. //----------------------------------------------------------------------------------- The programs included in this package run at the DOS command line. These programs encode/decode raw format YCbCr or YUV video sequences in 16 frame units using 3D SPIHT. The input and output are single files of concatenated raw YUV frames Use *420 for CIF or QCIF and *422 for CCIR601. Running the command without arguments gives the syntax. Some parameters require explanation. height - no. of lines in Y (288 for CIF) width - no. pixels/line in Y (352 for CIF) GOP - number of full 16-frame units in sequence bitrate = (no. of compressed file bits for 16 frames)/(height*width*16) (bits per pixel). Examples: Encode CIF sequence, akiyo.cif, of 1*** frames, at rate of 0.5 bpp. > encode420 akiyo.cif akiyo.cmp 288 352 12 0.5 192 out of the 1*** frames will be encoded, with each 16-frame unit compressed to a file size of 101376 bytes. The bit rate in bits per second is 101376*8*30/16 = 1,520,***0. (Original bit rate is 352*288*1.5*8*30 = 36,495,360 bps.) The compressed file can be decoded to any rate <= 0.5 bpp. To decompress akiyo.cmp to 0.1 bpp or 304128 bps: > decode420 akiyo.cmp akiyo_010.cif 0.1 The output file akiyo_010.cif contains the reconstructed sequence of 192 frames.

近期下载者：

相关文件：

评论：[我要评论] [举报此文件]

收藏者：