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Elphel
jp4-canvas
Commits
098a4697
Commit
098a4697
authored
Jul 08, 2015
by
Oleg Dzhimiev
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Update README.md
minor corrections
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3b893d52
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098a4697
...
...
@@ -3,7 +3,7 @@
A template
<br/>
Convert JP4/JP46 image files (
\*
.jp4/
\*
.jp46) into human perceivable format.
<br/>
This includes reordering within JPEG blocks and demosaicing (bilinear interpolation).
<br/>
Files in JPEG format are left untouched.
Files in JPEG format are left untouched.
<br/>
Operations:
*
Read EXIF MakerNote field: color mode, flips, gammas.
*
Reorder Bayer Mosaic according to flips - initial mosaic=GRBG
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@@ -22,11 +22,11 @@ Replace <i>test.jp4</i>
## EXIF
In Elphel cameras extra information is added to the EXIF header's
<i>
MakerNote
</i>
field:
> COLOR_MODE = (MakerNote[10]>>4) & 0x0f;
> FLIPH = (MakerNote[10] ) & 0x1;
> COLOR_MODE = (MakerNote[10]>>4) & 0x0f;
<br/>
> FLIPH = (MakerNote[10] ) & 0x1;
<br/>
> FLIPV = (MakerNote[10]>>1) & 0x1;
## More info:
*
[
About JP4
](
http://wiki.elphel.com/index.php?title=JP4
)
*
[
Extra info in EXIF <i>MakerNote</i>
](
http://wiki.elphel.com/index.php?title=Exif
)
*
Java code reference for JP4 deblocking and EXIF's
<i>
MakerNote
</i>
:
[
ImageJ-Elphel (JP46_Reader_camera.java)
](
https://github.com/Elphel/imagej-elphel/blob/master/src/main/java/JP46_Reader_camera.java
)
\ No newline at end of file
*
Java code reference for JP4 deblocking and EXIF's
<i>
MakerNote
</i>
:
[
ImageJ-Elphel (JP46_Reader_camera.java)
](
https://github.com/Elphel/imagej-elphel/blob/master/src/main/java/JP46_Reader_camera.java
)
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