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63 Commits

Author SHA1 Message Date
Alexander Alekhin
2a4926f417 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-06-26 14:22:24 +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
OpenCV Developers
d9a444ca1a Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-05-14 11:23:21 +00:00
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
OpenCV Developers
2985739b8c Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-04-16 14:41:15 +00:00
Alexander Smorkalov
0ee2a58cdc Document defaults for JPEG settings. 2022-04-15 14:36:48 +03:00
Alexander Alekhin
d573472a86 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-01-31 12:53:45 +00:00
Suleyman TURKMEN
2b5bb02817 Update imgcodecs.hpp 2022-01-23 01:24:34 +03:00
Suleyman TURKMEN
172bb7887c
Update imgcodecs.hpp 2022-01-14 23:36:53 +03:00
Alexander Alekhin
7d66f1e391 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2021-05-18 18:06:26 +00:00
Smirnov Egor
1d7d18afba Document imwrite depth fallback 2021-05-12 19:55:58 +03:00
Alexander Smorkalov
083a7c8f0a Fix OpenCV build with OpenEXR before 2.2.0. 2021-04-29 09:50:30 +03:00
Harald Scheirich
fcaeeac931
Merge pull request #19780 from HarryDC:feature/index-multiimage-tiff 
Add reading of specific images from multipage tiff

* Add reading of specific images from multipage tiff

* Fix build issues

* Add missing flag for gdal

* Fix unused param warning

* Remove duplicated code

* change public parameter type to int

* Fix warnings

* Fix parameter check
 2021-04-23 20:48:32 +00:00
Alexander Smorkalov
c131c12fd7
Merge pull request #19540 from asmorkalov:as/openexr_comression_options 
OpenEXR compression options

* Adding possibility to select the compression type for the OpenEXR format.

There are compression modes other than the default that are more suited for certain data. Mainly grainy/noisy data.

* Code review fixes.

Co-authored-by: Daniel Rydstrom <daniel.rydstrom@sick.se>
 2021-02-20 16:28:08 +00:00
Alexander Alekhin
0105f8fa38 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-11-20 20:32:00 +00:00
Suleyman TURKMEN
cc7f17f011 update documentation 2020-11-18 17:07:04 +03:00
Alexander Alekhin
e8058b9fdb Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-10-21 15:55:23 +00:00
Pavel Rojtberg
bc6a70c689 imwrite: multi-image overload for bindings 2020-10-16 11:27:09 +00:00
mtfrctl
7de189114b
Merge pull request #18547 from mtfrctl:objc-conversions-macosx 
Mat conversions for macOS/AppKit

* Extract CoreGraphics conversion logics from ios_conversions.mm to apple_conversions.h, apple_conversions. Add macosx_conversions.mm

* Add macosx.h

* Add Mat+Conversions.h and Mat+Conversions.mm

* Delete duplicated declaration from apple_conversion.mm

* Use short license header

* Add compile guard

* Delete unused imports

* Move precomp.hpp import from header to implementation

* Add macosx.h to skip headers

* Fix compile guard condition

* Use short license header

* Remove commented out unused code
 2020-10-14 16:58:06 +00:00
Alexander Alekhin
524a2fffe9 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-07-06 23:05:04 +00:00
Suleyman TURKMEN
2566d13100 Update documentation of imwrite() 2020-07-06 11:02:50 +03:00
Alexander Alekhin
aa2777ed61 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-02-10 19:40:29 +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
Alexander Alekhin
8c0b0714e7 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2019-03-11 19:20:22 +00:00
Gregor Mittag
d71977b4dd Add JPEG2000 compression flag. 2019-03-10 07:59:09 +01:00
Rajkiran Natarajan
40af53b1d6 issue-13921: Support setting compression setting for writing tiff images 2019-03-09 15:48:21 -05:00
Alexander Alekhin
ea64e860de Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-12-09 13:21:58 +00:00
LaurentBerger
f1dc26d7ce Merge pull request #13382 from LaurentBerger:imreadsize 
* try to solve #13381

* Add note
 2018-12-09 15:05:27 +03:00
pascal
7579cd8068 updated documentation for imread and imwrite (added pfm image format) 2018-11-21 17:59:37 +01:00
Alexander Alekhin
a574788e89 move legacy C-API constants into separate files 2018-11-17 23:47:51 +00:00
Vadim Pisarevsky
11eafca3e2
removed C API in the following modules: photo, video, imgcodecs, videoio (#13060) 
* removed C API in the following modules: photo, video, imgcodecs, videoio

* trying to fix various compile errors and warnings on Windows and Linux

* continue to fix compile errors and warnings

* continue to fix compile errors, warnings, as well as the test failures

* trying to resolve compile warnings on Android

* Update cap_dc1394_v2.cpp

fix warning from the new GCC
 2018-11-09 00:52:09 +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
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