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Diffstat (limited to 'index.html')
| -rw-r--r-- | index.html | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/index.html b/index.html index 5ebd347f..6f527181 100644 --- a/index.html +++ b/index.html @@ -658,7 +658,7 @@ still GIF, and you can use <B>pamtogif</B> and <B>giftopnm</B> to connect up to all the Netpbm utilities. See <B><A HREF="http://www.lcdf.org/gifsicle">http://www.lcdf.org/gifsicle</A></B>. -<P>To convert an image of text to text (optical character recongition +<P>To convert an image of text to text (optical character recognition - OCR), use <B>gocr</B> (think of it as an inverse of <B>pbmtext</B>). See <B> <a href="http://jocr.sourceforge.net/">http://jocr.sourceforge.net/</a></b>. @@ -689,7 +689,7 @@ transform the image, then compress it back to JPEG format. In that recompression, you lose a little image information because JPEG is a lossy compression. Of course, only a few kinds of lossless transformation are possible. <B>jpegtran</B> comes with the -Independent Jpeg Group's (<A +Independent JPEG Group's (<A HREF="http://www.ijg.org">http://www.ijg.org)</A> JPEG library. <P> Some tools to deal with EXIF files (see also Netpbm's <B><a @@ -851,7 +851,7 @@ understand this format, starting with Windows 7 and Internet Explorer 9, along with many other programs. This format was previously known as Windows Media Photo and HD Photo. -<li>Direct Draw Surface (DDS)is the de factor standard wrapper format for S3 +<li>Direct Draw Surface (DDS)is the de facto standard wrapper format for S3 texture compression, as used in all modern realtime graphics applications. Besides Windows-based tools, there is a <b>Gimp</b> plugin for this format. @@ -929,7 +929,7 @@ for the fact that it is very similar to Netpbm formats and uses the same signature ("P7") as PAM because it was developed as sort of a fork of the Netpbm format specifications. -<li>YUV 4:2:0, aka YUV 420, and the simlar YUV 4:4:4, YUV 4:2:2, +<li>YUV 4:2:0, aka YUV 420, and the similar YUV 4:4:4, YUV 4:2:2, YUV 4:1:1, YUV 4:1:1s, and YUV 4:1:0. Video systems often use this. <li><a href="http://en.wikipedia.org/wiki/MJPEG">MJPEG</a> movie @@ -940,7 +940,7 @@ the Netpbm formats for still images. You use it for manipulating movies, but not for storing or transmitting them. The only known use of the format is with <a href="mjpeg.sourceforge.net"><b>MJPEGTools</b></a>. The programs -<b>pnmtoy4m</b> and <b>y4mtopnm</b> (and predecesors <b>ppmtoy4m</b> +<b>pnmtoy4m</b> and <b>y4mtopnm</b> (and predecessors <b>ppmtoy4m</b> and <b>y4mtoppm</b>) in that package convert between a Netpbm stream and a YUV4MPEG2 stream. As you might guess from the name, YUV4MPEG2 uses a YUV representation of data, which is more convenient than the |