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(4.x) Merge 3.4#20180

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alalek merged 11 commits intoopencv:masterfrom
alalek:merge-3.4
May 29, 2021
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(4.x) Merge 3.4#20180
alalek merged 11 commits intoopencv:masterfrom
alalek:merge-3.4

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@alalek alalek commented May 29, 2021

#19883 from jondea:arm-neon-optimised-color-lab-3.4
#20102 from yo1990:master
#20135 from mightbxg:bugfix_GaussianBlur
#20158 from hyrodium:fix/latex
#20172 from alalek:fixup_19334
#20174 from alalek:issue_20159

Previous "Merge 3.4": #20142

mightbxg and others added 11 commits May 21, 2021 15:17
…lab-3.4

* Add Neon optimised RGB2Lab conversion

* Fix compile errors, change lambda to macro

* Change NEON optimised RGB2Lab to just use HAL

* Change [] to v_extract_n in RGB2Lab

* RGB2LAB Code quality, change to nlane agnostic

* Change RGB2Lab to use function rather than macro

* Remove whitespace

Co-authored-by: Francesco Petrogalli <25690309+fpetrogalli@users.noreply.github.com>
Add missing sqrt to magSpectrum().

* opencv#20100

* slight optimization + fix for double-precision case

Co-authored-by: Yuma Oyama <yuma.oyama@acuity-inc.co.jp>
Co-authored-by: Vadim Pisarevsky <vadim.pisarevsky@me.com>
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alalek commented May 29, 2021

👍

@alalek alalek merged commit cb51a15 into opencv:master May 29, 2021
@alalek alalek mentioned this pull request Jun 3, 2021
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6 participants