From edff6741058e03cb5a6ebfdeb3010014b561ffd6 Mon Sep 17 00:00:00 2001
From: Anatoly Baksheev <no@email>
Date: Tue, 16 Nov 2010 12:33:19 +0000
Subject: [PATCH] added default detector for winSize(64,128) for hog on gpu

---
 modules/core/src/system.cpp             | 4 ++--
 modules/gpu/include/opencv2/gpu/gpu.hpp | 1 +
 modules/gpu/src/hog.cpp                 | 6 ++++++
 tests/gpu/src/hog.cpp                   | 2 ++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/modules/core/src/system.cpp b/modules/core/src/system.cpp
index c7b31c0..a49f5e7 100644
--- a/modules/core/src/system.cpp
+++ b/modules/core/src/system.cpp
@@ -528,8 +528,8 @@ CV_IMPL const char* cvErrorStr( int status )
     case CV_StsBadMemBlock :  return "Memory block has been corrupted";
     case CV_StsAssert :  return "Assertion failed";
     case CV_GpuNotSupported : return "No GPU support";
-    case CV_GpuApiCallError : return "GPU API error";
-    case CV_GpuNppCallError : return "NPP API error";
+    case CV_GpuApiCallError : return "Gpu Api call";
+    case CV_GpuNppCallError : return "Npp Api call";
     };
 
     sprintf(buf, "Unknown %s code %d", status >= 0 ? "status":"error", status);
diff --git a/modules/gpu/include/opencv2/gpu/gpu.hpp b/modules/gpu/include/opencv2/gpu/gpu.hpp
index 752d4df..61a6887 100644
--- a/modules/gpu/include/opencv2/gpu/gpu.hpp
+++ b/modules/gpu/include/opencv2/gpu/gpu.hpp
@@ -995,6 +995,7 @@ namespace cv
             double getWinSigma() const;
 
             static vector<float> getDefaultPeopleDetector();
+            static vector<float> getDefaultPeopleDetector_64x128();
             void setSVMDetector(const vector<float>& detector);
             bool checkDetectorSize() const;
 
diff --git a/modules/gpu/src/hog.cpp b/modules/gpu/src/hog.cpp
index 88e9721..cba1709 100644
--- a/modules/gpu/src/hog.cpp
+++ b/modules/gpu/src/hog.cpp
@@ -56,6 +56,7 @@ void cv::gpu::HOGDescriptor::detectMultiScale(const GpuMat&, vector<Rect>&, doub
 int cv::gpu::HOGDescriptor::numPartsWithin(int, int, int) { throw_nogpu(); return 0; }
 cv::Size cv::gpu::HOGDescriptor::numPartsWithin(cv::Size, cv::Size, cv::Size) { throw_nogpu(); return cv::Size(); } 
 std::vector<float> cv::gpu::HOGDescriptor::getDefaultPeopleDetector() { throw_nogpu(); return std::vector<float>(); }
+std::vector<float> cv::gpu::HOGDescriptor::getDefaultPeopleDetector_64x128() { throw_nogpu(); return std::vector<float>(); }
 
 #else
 
@@ -310,6 +311,11 @@ cv::Size cv::gpu::HOGDescriptor::numPartsWithin(cv::Size size, cv::Size part_siz
 
 std::vector<float> cv::gpu::HOGDescriptor::getDefaultPeopleDetector()
 {
+    return getDefaultPeopleDetector_64x128();
+}
+
+std::vector<float> cv::gpu::HOGDescriptor::getDefaultPeopleDetector_64x128()
+{
     static const float detector[] = {
        0.05359386f, -0.14721455f, -0.05532170f, 0.05077307f,
        0.11547081f, -0.04268804f, 0.04635834f, -0.05468199f, 0.08232084f,
diff --git a/tests/gpu/src/hog.cpp b/tests/gpu/src/hog.cpp
index e3f2719..cc3e903 100644
--- a/tests/gpu/src/hog.cpp
+++ b/tests/gpu/src/hog.cpp
@@ -109,6 +109,8 @@ struct CV_GpuHogTest : public CvTest
 
         cv::gpu::HOGDescriptor hog;
         hog.setSVMDetector(cv::gpu::HOGDescriptor::getDefaultPeopleDetector());
+        //cpu detector may be updated soon
+        //hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
 
         std::vector<cv::Point> locations;
 
-- 
2.7.4