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match_template.cpp
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74 lines (64 loc) · 3.55 KB
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/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* http://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <af/defines.h>
#include <af/vision.h>
#include <handle.hpp>
#include <err_common.hpp>
#include <backend.hpp>
#include <match_template.hpp>
using af::dim4;
using namespace detail;
template<typename inType, typename outType>
static
af_array match_template(const af_array &sImg, const af_array tImg, af_match_type mType)
{
switch(mType) {
case AF_SAD : return getHandle(match_template<inType, outType, AF_SAD >(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_ZSAD: return getHandle(match_template<inType, outType, AF_ZSAD>(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_LSAD: return getHandle(match_template<inType, outType, AF_LSAD>(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_SSD : return getHandle(match_template<inType, outType, AF_SSD >(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_ZSSD: return getHandle(match_template<inType, outType, AF_ZSSD>(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_LSSD: return getHandle(match_template<inType, outType, AF_LSSD>(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_NCC : return getHandle(match_template<inType, outType, AF_NCC >(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_ZNCC: return getHandle(match_template<inType, outType, AF_ZNCC>(getArray<inType>(sImg), getArray<inType>(tImg)));
case AF_SHD : return getHandle(match_template<inType, outType, AF_SHD >(getArray<inType>(sImg), getArray<inType>(tImg)));
default: return getHandle(match_template<inType, outType, AF_SAD >(getArray<inType>(sImg), getArray<inType>(tImg)));
}
}
af_err af_match_template(af_array *out, const af_array search_img, const af_array template_img, const af_match_type m_type)
{
try {
ARG_ASSERT(3, (m_type>=AF_SAD && m_type<=AF_LSSD));
ArrayInfo sInfo = getInfo(search_img);
ArrayInfo tInfo = getInfo(template_img);
dim4 const sDims = sInfo.dims();
dim4 const tDims = tInfo.dims();
dim_t sNumDims= sDims.ndims();
dim_t tNumDims= tDims.ndims();
ARG_ASSERT(1, (sNumDims>=2));
ARG_ASSERT(2, (tNumDims==2));
af_dtype sType = sInfo.getType();
ARG_ASSERT(1, (sType==tInfo.getType()));
af_array output = 0;
switch(sType) {
case f64: output = match_template<double, double>(search_img, template_img, m_type); break;
case f32: output = match_template<float , float>(search_img, template_img, m_type); break;
case s32: output = match_template<int , float>(search_img, template_img, m_type); break;
case u32: output = match_template<uint , float>(search_img, template_img, m_type); break;
case s16: output = match_template<short , float>(search_img, template_img, m_type); break;
case u16: output = match_template<ushort, float>(search_img, template_img, m_type); break;
case b8: output = match_template<char , float>(search_img, template_img, m_type); break;
case u8: output = match_template<uchar , float>(search_img, template_img, m_type); break;
default : TYPE_ERROR(1, sType);
}
std::swap(*out, output);
}
CATCHALL;
return AF_SUCCESS;
}