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83a49b4f6a
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47 Commits

Author SHA1 Message Date
Kumataro
83a49b4f6a imgcodecs: update documentation for imwrite() to support images formats. 2023-03-26 09:03:16 +09:00
Alexander Alekhin
f0df78b7e7 imgcodecs: ensure parameters are key-value pairs, fix HDR encoder 2022-11-20 13:08:46 +00:00
Kumataro
dd7b9000ad
Merge pull request #22064 from Kumataro:3.4-fix22052 
* imgcodecs: jpeg: add IMWRITE_JPEG_SAMPLING_FACTOR parameter

* fix compile error

* imgcodecs: jpeg: add CV_LOG_WARNING() and fix how to initilize Mat

* imgcodecs: jpeg: fix for C++98 mode.

* samples: imgcodec_jpeg: Remove license
 2022-06-20 21:42:50 +03:00
Jan Polák
dea0815199 Small imencode documentation improvement 
It was previously not clear that the extension should include the period, [and I am not the only person that encountered this problem](https://stackoverflow.com/questions/4254460/opencv-could-not-find-encoder-for-the-specified-extension).

I assume that this is true for all supported extensions, but I haven't checked the source.
 2022-05-11 14:57:38 +02:00
Alexander Smorkalov
0ee2a58cdc Document defaults for JPEG settings. 2022-04-15 14:36:48 +03:00
Suleyman TURKMEN
2b5bb02817 Update imgcodecs.hpp 2022-01-23 01:24:34 +03:00
Smirnov Egor
1d7d18afba Document imwrite depth fallback 2021-05-12 19:55:58 +03:00
Suleyman TURKMEN
cc7f17f011 update documentation 2020-11-18 17:07:04 +03:00
Pavel Rojtberg
bc6a70c689 imwrite: multi-image overload for bindings 2020-10-16 11:27:09 +00:00
Suleyman TURKMEN
2566d13100 Update documentation of imwrite() 2020-07-06 11:02:50 +03:00
Collin Brake
d4a28f3bf6 improved documentation for imread() 2020-02-07 08:54:34 -05:00
Collin Brake
3cc07a4411 improved documentation for IMREAD_UNCHANGED flag 2020-02-06 17:49:14 -05:00
Rajkiran Natarajan
40af53b1d6 issue-13921: Support setting compression setting for writing tiff images 2019-03-09 15:48:21 -05:00
LaurentBerger
f1dc26d7ce Merge pull request #13382 from LaurentBerger:imreadsize 
* try to solve #13381

* Add note
 2018-12-09 15:05:27 +03:00
drkoller
978ad4981e Clean up documentation for imread and imwrite 2018-10-12 17:08:01 -04:00
berak
df4139d373 document imread grayscale behaviour 2018-09-30 15:22:26 +02:00
Colin Smith
76f47548b3 Add export macro for ios conversion functions 2018-08-20 14:10:54 -07:00
Rajkiran Natarajan
4668836071 Support for setting TIFF DPI info in imwrite 2018-04-04 21:20:16 -07:00
Suleyman TURKMEN
dcd4f8f5db Update documentation 2018-01-12 22:21:14 +03:00
zhijackchen
6df8ac0342 Merge pull request #10283 from zhijackchen:exr_export 
* Fix issue #10114
Convert table change
From:
CV_8U -> HALF
CV_8S -> HALF
CV_16U -> UINT
CV_16S -> UINT
CV_32S -> UINT
CV_32F -> FLOAT
To:
CV_8U -> HALF
CV_8S -> HALF
CV_16U -> UINT
CV_16S -> FLOAT
CV_32S -> FLOAT loss precision
CV_32F -> FLOAT
Signed integer can't be presented well with UINT. Even adjust bias, CV16S and CV32S will be confused when load from exr file.
Also fix CV_8S negative value incorrect bug

* EXR import and export
imread() from EXR returns CV_32F only
imwrite() accepts CV_32 cv::Mat only and stores FLOAT images by default. Add imwrite() flag to store in HALF format.

* fix compiling error

* clean up

* fix EXR import issues
 2017-12-15 12:23:44 +03:00
Pavel Rojtberg
2d34443834 python: imreadmulti - add CV_OUT so it is correctly wrapped 2017-09-08 15:09:25 +02:00
saskatchewancatch
e4cb8a6f09 issue 8723: Changed doc for cv::imwrite to reflect correct default flag used for png compression strategy. 2017-05-12 00:01:38 -06:00
Raj Natarajan
b7a053b0e5 Issue-7310: Updated imwrite doc to correct default setting for IMWRITE_PNG_COMPRESSION and clarified existing doc a bit. 2016-12-26 00:44:43 -06:00
catree
c4d4158bd8 Add imread documentation note when EXIF orientation is embedded. 2016-12-07 18:08:18 +01:00
Arkadiusz Raj
f893ee5cec Added IMREAD_IGNORE_ORIENTATION flag 2016-11-09 18:09:22 +01:00
Alexander Alekhin
1c18b1d245 Merge pull request #7370 from souch55:Fixxn 2016-10-01 10:44:56 +00:00
sourin
a34fbf7bb1 Fixed identifiers warns 2016-09-30 15:16:29 +05:30
Dimitrios Katsaros
6172803012 imgcodecs: Implementation of PAM encoder/decoder 
This patch implements the PAM image format as defined at:
http://netpbm.sourceforge.net/doc/pam.html

The PAM format provides a generic means for storing 2 dimensional information.
This is useful for opencv since there are cases where data gets translated into
non standardized formats, which makes it difficult to store and load this information.
 2016-09-06 15:47:22 +02:00
Suleyman TURKMEN
e7ec580318 Update imgcodecs.hpp 2016-06-27 16:38:47 +03:00
Suleyman TURKMEN
99a286ef24 Update imgcodecs.hpp 2015-11-19 00:25:36 +02:00
edgarriba
a242556b1d Merge branch 'master' of https://github.com/Itseez/opencv into gdal_lan 
Conflicts:
	modules/imgcodecs/include/opencv2/imgcodecs.hpp
 2015-10-31 20:18:41 +01:00
edgarriba
1e9bd59f07 load multi/hyperspectral images with using gdal 2015-10-14 09:16:04 +02:00
Suleyman TURKMEN
21c0acff24 Update imgcodecs.hpp 2015-10-02 14:00:24 +03:00
Suleyman TURKMEN
7c226ed7a2 adding new flags to imread to load image reduced 2015-09-28 02:00:02 +03:00
Suleyman TURKMEN
f660461bb3 documentation patch 2015-08-26 17:40:38 +03:00
Suleyman TURKMEN
7b7d54df68 new function imread_reduced() 
by this new function we can set libjpeg "scale_denom" parameter and load jpeg images scaled 1/2 - 1/4 - 1/8
other image formats resized after loading
 2015-07-19 03:53:43 +03:00
StevenPuttemans
0baaf0a60f fixing old variables in documentation and transfering to the new interface 2015-05-05 15:05:39 +02:00
Andrey Pavlenko
ed9f933d41 fixing confusing variable naming in a sample code 2015-04-03 14:03:09 +03:00
Marvin Smith
91fbe00caa Updated gdal tutorial to include comments. 2015-01-17 19:28:58 -08:00
Ashod Nakashian
61ca38103c Added imreadmulti API to read multi-paged images into a vector of Mat. 2015-01-03 00:09:35 -05:00
Maksim Shabunin
1523fdcc1c Doxygen documentation: more fixes and cleanups 2014-12-01 15:50:36 +03:00
Maksim Shabunin
dcae7698ad Doxygen documentation for: highgui, video, imgcodecs and videoio 2014-12-01 15:47:13 +03:00
mshabunin
3ed89a8879 Merge with master and fix conflicts 2014-08-13 18:24:11 +04:00
Sergei Nikulov
eaec132091 #2992: update after review 2014-07-30 00:03:41 +04:00
Sergey Nikulov
bd144cfa64 upmerged pull req #2974 to master - added more jpeg options to imgcodecs 2014-07-21 18:56:35 +04:00
vbystricky
d58f736935 Split highgui module to videoio and highgui 2014-07-14 23:16:47 +04:00
vbystricky
4286f60387 Extract imgcodecs module from highgui 2014-07-07 16:28:08 +04:00