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7 Commits

Author SHA1 Message Date
Alexander Alekhin
762a5c8334 imgproc: align GaussianBlur/sepFilter2D OpenCL with CPU version 2020-07-08 15:13:48 +00:00
Alexander Alekhin
a3b109eca0 imgproc: enable GaussianBlur IPP parallel processing 2020-05-17 11:40:34 +00:00
Alexander Alekhin
0fb4f2cc9c imgproc: add src.empty() checks in filter operations 2020-03-20 21:04:29 +00:00
Alexander Alekhin
f4d55d512f
imgproc: fix bit-exact GaussianBlur() / sepFilter2D() (#15855) 
* imgproc: fix bit-exact GaussianBlur() / sepFilter2D()

- avoid kernels with bad approximation
- GaussiabBlur - apply error-diffusion approximation for kernel (8-bit fraction)

* java(test): update features2d ref data

* test: update test_facedetect
 2019-11-18 01:39:27 +03:00
Maksim Shabunin
6d5ac67681 Restored IPP call reduction 2019-07-31 15:41:22 +03:00
Alexander Alekhin
b99c9145bf imgproc: dispatch smooth 2019-03-11 13:54:12 +00:00
Alexander Alekhin
9dc7554089 imgproc: copy .dispatch.cpp 2019-03-11 13:53:59 +00:00