MLECO-2873: Object detection usecase follow-up
Change-Id: Ic14e93a50fb7b3f3cfd9497bac1280794cc0fc15
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
diff --git a/source/application/main/UseCaseCommonUtils.cc b/source/application/main/UseCaseCommonUtils.cc
index d740d10..67e784b 100644
--- a/source/application/main/UseCaseCommonUtils.cc
+++ b/source/application/main/UseCaseCommonUtils.cc
@@ -91,6 +91,20 @@
return true;
}
+void image::RgbToGrayscale(const uint8_t *srcPtr, uint8_t *dstPtr, const size_t dstImgSz)
+{
+ float R=0.299;
+ float G=0.587;
+ float B=0.114;
+ for (size_t i = 0; i < dstImgSz; ++i, srcPtr += 3) {
+ uint32_t int_gray = R * (*srcPtr) +
+ G * (*(srcPtr + 1)) +
+ B * (*(srcPtr + 2));
+ *dstPtr++ = int_gray <= std::numeric_limits<uint8_t>::max() ?
+ int_gray : std::numeric_limits<uint8_t>::max();
+ }
+}
+
void IncrementAppCtxIfmIdx(arm::app::ApplicationContext& ctx, std::string useCase)
{
#if NUMBER_OF_FILES > 0
@@ -227,4 +241,4 @@
}
} /* namespace app */
-} /* namespace arm */
\ No newline at end of file
+} /* namespace arm */