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Merge 3.4#18242

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alalek merged 11 commits intoopencv:masterfrom
alalek:merge-3.4
Sep 1, 2020
Merged

Merge 3.4#18242
alalek merged 11 commits intoopencv:masterfrom
alalek:merge-3.4

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@alalek alalek commented Sep 1, 2020

#18053 from Yosshi999:bit-exact-resizeNN
#18167 from Yosshi999:bit-exact-gaussian
#18184 from cabelo:yolov4-in-model
#18207 from pemmanuelviel:pev--fix-memset
#18211 from pemmanuelviel:pev--handle-dna-vectors
#18225 from dmici:fix_missing_0.5_factor_in_anisotropic_segmentation_tutorial
#18235 from alalek:ocl_off_cleanup

Previous "Merge 3.4": #18197

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cabelo and others added 11 commits August 26, 2020 22:30
Bit-exact Nearest Neighbor Resizing

* bit exact resizeNN

* change the value of method enum

* add bitexact-nn to ResizeExactTest

* test to compare with non-exact version

* add perf for bit-exact resizenn

* use cvFloor-equivalent

* 1/3 scaling is not stable for floating calculation

* stricter test

* bugfix: broken data in case of 6 or 12bytes elements

* bugfix: broken data in default pix_size

* stricter threshold

* use raw() for floor

* use double instead of int

* follow code reviews

* fewer cases in perf test

* center pixel convention
Bit exact gaussian blur for 16bit unsigned int

* bit-exact gaussian kernel for CV_16U

* SIMD optimization

* template GaussianBlurFixedPoint

* remove template specialization

* simd support for h3N121 uint16

* test for u16 gaussian blur

* remove unnecessary comments

* fix return type of raw()

* add typedef of native internal type in fixedpoint

* update return type of raw()
…ctors

* DNA-mode: update miniflann to handle DNA

* DNA-mode: update hierarchical kmeans to handle DNA sequences
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alalek commented Sep 1, 2020

👍

@alalek alalek merged commit 0428dce into opencv:master Sep 1, 2020
@alalek alalek mentioned this pull request Sep 5, 2020
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5 participants