fix nOctup arithmetic

Fix provided by @JN-Jones as described in #67
elucideye · May 17, 2018 · fb596d0 · fb596d0
1 parent d821ad3
commit fb596d0
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diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -94,7 +94,7 @@ endif()
 ###################
 
 # See https://github.com/hunter-packages/check_ci_tag when changing VERSION
-project(acf VERSION 0.1.8)
+project(acf VERSION 0.1.9)
 
 set(ACF_ROOT_DIR "${CMAKE_CURRENT_LIST_DIR}")
 

diff --git a/src/lib/acf/chnsPyramid.cpp b/src/lib/acf/chnsPyramid.cpp
@@ -446,7 +446,7 @@ int Detector::getScales(int nPerOct, int nOctUp, const cv::Size& minDs, int shri
 
     for (int i = 0; i < nScales; i++)
     {
-        double s = std::pow(2.0, -double(i) / double(nPerOct + nOctUp));
+        double s = std::pow(2.0, -double(i) / double(nPerOct) + double(nOctUp));
         double s0 = (util::round(d0 * s / shrink) * shrink - 0.25 * shrink) / d0;
         double s1 = (util::round(d0 * s / shrink) * shrink + 0.25 * shrink) / d0;
         std::pair<double, double> best(0, std::numeric_limits<double>::max());