* fbs_filter add lambda & revise imtypes

* fix warnings

* fix fbs function prototypes

* add fast bilateral solver from master

* fix unused variables warnings in disparity_filtering.cpp

* trailing whitespaces removed

* Some bugs in deriche and paillou filter

* Cv_Assert to CV_CheckType

* android: fix build warnings

* build: fix warnings

- eliminated "float th = 1e-5f" magic value (replaced to explicit checks)
- eliminate manual memory allocation
- avoid out of range access (i == alls)

Bright edges source code and demo (#1449)

* Bright edges source code and demo

* Fix mac errors

* Upload again because of null characters

* Convert to UTF-8

* Change cv::WindowFlags::WINDOW_AUTOSIZE

* Remove parameter

* Remove trailing white spaces (documentation builld error

* Remaining white spaces

* Correct warning

* Correct surround

* Add comment

* Moving prototype out of header

* Add ximgproc namespace, fix example.

* Fix namespace for example

* Remove windows desctruction

* Correct Mat declaration

* Removed unused gray

* Change local functions to static

* Remove tabs and replace by 4 spaces

* Add comments

* Fix comments

* Retry for random test stereo failure

samples added

fix edgeboxes_demo

fix edgeboxes_demo

added edgeboxes bib

fix edgeboxes_demo

small fixes

fix edgeboxes_demo

fix warnings

fix warnings

small fixes

detectEdges needs rgb image instead bgr image.

Removed unnecessary protection

small fixes

* Replace OpenMP parallelization with OpenCV's general parallel_for_ to cover other backends than OpenMP.

* Fixed shadowing of range variable in C++11 mode.

fixes warning on MacOSX Xcode 8.3.3

Fixed a buffer overflow which occurs when setImage is called with different images and default image_id.

added optimized anisotropic diffusion filter (rewrite of https://github.com/opencv/opencv/pull/8362)

fixed typo

replaces Mat& to Input/OutputArray in public methods.

small fix.

small fixes

1) Modified cv::ximgproc::niBlackThreshold to support binarization using popular Niblack inspired techniques. Sauvola, Wolf, and NICK support added.
2) Changed niblack_thresholding.cpp sample to allow experimentation with these new methods
3) Added/updated docs where appropriate