From: Dmitry Budnikov <Dmitry.Budnikov@intel.com>
Date: Wed, 9 Jun 2021 10:28:32 +0000 (+0300)
Subject: Merge pull request #20245 from dbudniko:dbudniko/mtcnn_roi_size_hotfix
X-Git-Tag: accepted/tizen/unified/20220125.121719~1^2~38
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4c2dff88de606f2c2337bc7816fbe463a4b9013f;p=platform%2Fupstream%2Fopencv.git

Merge pull request #20245 from dbudniko:dbudniko/mtcnn_roi_size_hotfix

Hot fix negative MTCNN PNet ROI coordinates

* fix negative roi start

* some more experiments

* clean up
---

diff --git a/modules/gapi/samples/face_detection_mtcnn.cpp b/modules/gapi/samples/face_detection_mtcnn.cpp
index 6e88a9e..c437bdb 100644
--- a/modules/gapi/samples/face_detection_mtcnn.cpp
+++ b/modules/gapi/samples/face_detection_mtcnn.cpp
@@ -364,7 +364,8 @@ GAPI_OCV_KERNEL(OCVR_O_NetPreProcGetROIs, R_O_NetPreProcGetROIs) {
         for (const auto& face : in_faces) {
             cv::Rect tmp_rect = face.bbox.getRect();
             //Compare to transposed sizes width<->height
-            tmp_rect &= cv::Rect(tmp_rect.x, tmp_rect.y, in_image_size.height - tmp_rect.x - 4, in_image_size.width - tmp_rect.y - 4);
+            tmp_rect &= cv::Rect(tmp_rect.x, tmp_rect.y, in_image_size.height - tmp_rect.x, in_image_size.width - tmp_rect.y) &
+                        cv::Rect(0, 0, in_image_size.height, in_image_size.width);
             outs.push_back(tmp_rect);
         }
     }