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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
<
arrayfire.h
>
#
include
<
gtest/gtest.h
>
#
include
<
testHelpers.hpp
>
#
include
<
af/data.h
>
#
include
<
af/dim4.hpp
>
#
include
<
af/traits.hpp
>
#
include
<
string
>
#
include
<
vector
>
using
af::dim4;
using
af::dtype_traits;
using
std::abs;
using
std::endl;
using
std::string;
using
std::vector;
template
<
typename
T>
class
Morph
: public ::testing::Test {
public:
virtual
void
SetUp
() {}
};
//
create a list of types to be tested
typedef
::testing::Types<
float
,
double
,
int
, uint,
char
, schar, uchar,
short
,
ushort>
TestTypes;
//
register the type list
TYPED_TEST_SUITE
(Morph, TestTypes);
template
<
typename
inType,
bool
isDilation,
bool
isVolume>
void
morphTest
(string pTestFile) {
SUPPORTED_TYPE_CHECK
(inType);
vector<dim4> numDims;
vector<vector<inType>> in;
vector<vector<inType>> tests;
readTests<inType, inType,
int
>(pTestFile, numDims, in, tests);
dim4 dims = numDims[
0
];
dim4 maskDims = numDims[
1
];
af_array outArray =
0
;
af_array inArray =
0
;
af_array maskArray =
0
;
ASSERT_SUCCESS
(
af_create_array
(&inArray, &(in[
0
].
front
()), dims.
ndims
(),
dims.
get
(),
(af_dtype)dtype_traits<inType>::af_type));
ASSERT_SUCCESS
(
af_create_array
(&maskArray, &(in[
1
].
front
()),
maskDims.
ndims
(), maskDims.
get
(),
(af_dtype)dtype_traits<inType>::af_type));
af_err af_stat;
if
(isDilation) {
if
(isVolume) {
ASSERT_SUCCESS
(
af_dilate3
(&outArray, inArray, maskArray));
}
else
{
ASSERT_SUCCESS
(
af_dilate
(&outArray, inArray, maskArray));
}
}
else
{
if
(isVolume) {
ASSERT_SUCCESS
(
af_erode3
(&outArray, inArray, maskArray));
}
else
{
ASSERT_SUCCESS
(
af_erode
(&outArray, inArray, maskArray));
}
}
for
(
size_t
testIter =
0
; testIter < tests.
size
(); ++testIter) {
vector<inType> currGoldBar = tests[testIter];
ASSERT_VEC_ARRAY_EQ
(currGoldBar, dims, outArray);
}
//
cleanup
ASSERT_SUCCESS
(
af_release_array
(inArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
ASSERT_SUCCESS
(
af_release_array
(outArray));
}
TYPED_TEST
(Morph, Dilate3x3) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
true
,
false
>(
string
(
TEST_DIR
"
/morph/dilate3x3.test
"
));
}
TYPED_TEST
(Morph, Erode3x3) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
false
,
false
>(
string
(
TEST_DIR
"
/morph/erode3x3.test
"
));
}
TYPED_TEST
(Morph, Dilate4x4) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
true
,
false
>(
string
(
TEST_DIR
"
/morph/dilate4x4.test
"
));
}
TYPED_TEST
(Morph, Dilate12x12) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
true
,
false
>(
string
(
TEST_DIR
"
/morph/dilate12x12.test
"
));
}
TYPED_TEST
(Morph, Erode4x4) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
false
,
false
>(
string
(
TEST_DIR
"
/morph/erode4x4.test
"
));
}
TYPED_TEST
(Morph, Dilate3x3_Batch) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
true
,
false
>(
string
(
TEST_DIR
"
/morph/dilate3x3_batch.test
"
));
}
TYPED_TEST
(Morph, Erode3x3_Batch) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
false
,
false
>(
string
(
TEST_DIR
"
/morph/erode3x3_batch.test
"
));
}
TYPED_TEST
(Morph, Dilate3x3x3) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
true
,
true
>(
string
(
TEST_DIR
"
/morph/dilate3x3x3.test
"
));
}
TYPED_TEST
(Morph, Erode3x3x3) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
false
,
true
>(
string
(
TEST_DIR
"
/morph/erode3x3x3.test
"
));
}
TYPED_TEST
(Morph, Dilate4x4x4) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
true
,
true
>(
string
(
TEST_DIR
"
/morph/dilate4x4x4.test
"
));
}
TYPED_TEST
(Morph, Erode4x4x4) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphTest<TypeParam,
false
,
true
>(
string
(
TEST_DIR
"
/morph/erode4x4x4.test
"
));
}
template
<
typename
T,
bool
isDilation,
bool
isColor>
void
morphImageTest
(string pTestFile,
dim_t
seLen) {
SUPPORTED_TYPE_CHECK
(T);
IMAGEIO_ENABLED_CHECK
();
vector<dim4> inDims;
vector<string> inFiles;
vector<
dim_t
> outSizes;
vector<string> outFiles;
readImageTests
(pTestFile, inDims, inFiles, outSizes, outFiles);
size_t
testCount = inDims.
size
();
for
(
size_t
testId =
0
; testId < testCount; ++testId) {
af_array _inArray =
0
;
af_array inArray =
0
;
af_array maskArray =
0
;
af_array outArray =
0
;
af_array _goldArray =
0
;
af_array goldArray =
0
;
dim_t
nElems =
0
;
inFiles[testId].
insert
(
0
,
string
(
TEST_DIR
"
/morph/
"
));
outFiles[testId].
insert
(
0
,
string
(
TEST_DIR
"
/morph/
"
));
af_dtype targetType =
static_cast
<af_dtype>(dtype_traits<T>::af_type);
dim4
mdims
(seLen, seLen,
1
,
1
);
ASSERT_SUCCESS
(
af_constant
(&maskArray,
1.0
, mdims.
ndims
(), mdims.
get
(),
targetType));
ASSERT_SUCCESS
(
af_load_image
(&_inArray, inFiles[testId].
c_str
(), isColor));
ASSERT_SUCCESS
(
af_cast
(&inArray, _inArray, targetType));
ASSERT_SUCCESS
(
af_load_image
(&_goldArray, outFiles[testId].
c_str
(), isColor));
ASSERT_SUCCESS
(
af_cast
(&goldArray, _goldArray, targetType));
ASSERT_SUCCESS
(
af_get_elements
(&nElems, goldArray));
af_err error_code =
AF_SUCCESS
;
if
(isDilation) {
error_code =
af_dilate
(&outArray, inArray, maskArray);
}
else
{
error_code =
af_erode
(&outArray, inArray, maskArray);
}
#
if
defined(AF_CPU)
ASSERT_SUCCESS
(error_code);
ASSERT_IMAGES_NEAR
(goldArray, outArray,
0
.
018f
);
#
else
if
(targetType != b8 && seLen >
19
) {
ASSERT_EQ
(error_code,
AF_ERR_NOT_SUPPORTED
);
}
else
{
ASSERT_SUCCESS
(error_code);
ASSERT_IMAGES_NEAR
(goldArray, outArray,
0
.
018f
);
}
#
endif
ASSERT_SUCCESS
(
af_release_array
(_inArray));
ASSERT_SUCCESS
(
af_release_array
(inArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
ASSERT_SUCCESS
(
af_release_array
(outArray));
ASSERT_SUCCESS
(
af_release_array
(_goldArray));
ASSERT_SUCCESS
(
af_release_array
(goldArray));
}
}
TEST
(Morph, GrayscaleDilation3x3StructuringElement) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphImageTest<
float
,
true
,
false
>(
string
(
TEST_DIR
"
/morph/gray.test
"
),
3
);
}
TEST
(Morph, ColorImageErosion3x3StructuringElement) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
morphImageTest<
float
,
false
,
true
>(
string
(
TEST_DIR
"
/morph/color.test
"
),
3
);
}
TEST
(Morph, BinaryImageDilationBy33x33Kernel) {
morphImageTest<
char
,
true
,
false
>(
string
(
TEST_DIR
"
/morph/zag_dilation.test
"
),
33
);
}
TEST
(Morph, BinaryImageErosionBy33x33Kernel) {
morphImageTest<
char
,
false
,
false
>(
string
(
TEST_DIR
"
/morph/zag_erosion.test
"
),
33
);
}
TEST
(Morph, DilationBy33x33Kernel) {
morphImageTest<
float
,
true
,
true
>(
string
(
TEST_DIR
"
/morph/baboon_dilation.test
"
),
33
);
}
TEST
(Morph, ErosionBy33x33Kernel) {
morphImageTest<
float
,
false
,
true
>(
string
(
TEST_DIR
"
/morph/baboon_erosion.test
"
),
33
);
}
template
<
typename
T,
bool
isDilation>
void
morphInputTest
(
void
) {
SUPPORTED_TYPE_CHECK
(T);
af_array inArray =
0
;
af_array maskArray =
0
;
af_array outArray =
0
;
vector<T>
in
(
100
,
1
);
vector<T>
mask
(
9
,
1
);
//
Check for 1D inputs
dim4 dims =
dim4
(
100
,
1
,
1
,
1
);
dim4
mdims
(
3
,
3
,
1
,
1
);
ASSERT_SUCCESS
(
af_create_array
(&maskArray, &mask.
front
(), mdims.
ndims
(),
mdims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
ASSERT_SUCCESS
(
af_create_array
(&inArray, &in.
front
(), dims.
ndims
(),
dims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
if
(isDilation)
ASSERT_EQ
(
AF_ERR_SIZE
,
af_dilate
(&outArray, inArray, maskArray));
else
ASSERT_EQ
(
AF_ERR_SIZE
,
af_erode
(&outArray, inArray, maskArray));
ASSERT_SUCCESS
(
af_release_array
(inArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
}
TYPED_TEST
(Morph, DilateInvalidInput) { morphInputTest<TypeParam,
true
>(); }
TYPED_TEST
(Morph, ErodeInvalidInput) { morphInputTest<TypeParam,
false
>(); }
template
<
typename
T,
bool
isDilation>
void
morphMaskTest
(
void
) {
SUPPORTED_TYPE_CHECK
(T);
af_array inArray =
0
;
af_array maskArray =
0
;
af_array outArray =
0
;
vector<T>
in
(
100
,
1
);
vector<T>
mask
(
16
,
1
);
//
Check for 4D mask
dim4
dims
(
10
,
10
,
1
,
1
);
dim4
mdims
(
2
,
2
,
2
,
2
);
ASSERT_SUCCESS
(
af_create_array
(&inArray, &in.
front
(), dims.
ndims
(),
dims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
ASSERT_SUCCESS
(
af_create_array
(&maskArray, &mask.
front
(), mdims.
ndims
(),
mdims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
if
(isDilation)
ASSERT_EQ
(
AF_ERR_SIZE
,
af_dilate
(&outArray, inArray, maskArray));
else
ASSERT_EQ
(
AF_ERR_SIZE
,
af_erode
(&outArray, inArray, maskArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
//
Check for 1D mask
mdims =
dim4
(
16
,
1
,
1
,
1
);
ASSERT_SUCCESS
(
af_create_array
(&maskArray, &mask.
front
(), mdims.
ndims
(),
mdims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
if
(isDilation)
ASSERT_EQ
(
AF_ERR_SIZE
,
af_dilate
(&outArray, inArray, maskArray));
else
ASSERT_EQ
(
AF_ERR_SIZE
,
af_erode
(&outArray, inArray, maskArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
ASSERT_SUCCESS
(
af_release_array
(inArray));
}
TYPED_TEST
(Morph, DilateInvalidMask) { morphMaskTest<TypeParam,
true
>(); }
TYPED_TEST
(Morph, ErodeInvalidMask) { morphMaskTest<TypeParam,
false
>(); }
template
<
typename
T,
bool
isDilation>
void
morph3DMaskTest
(
void
) {
SUPPORTED_TYPE_CHECK
(T);
af_array inArray =
0
;
af_array maskArray =
0
;
af_array outArray =
0
;
vector<T>
in
(
1000
,
1
);
vector<T>
mask
(
81
,
1
);
//
Check for 2D mask
dim4
dims
(
10
,
10
,
10
,
1
);
dim4
mdims
(
9
,
9
,
1
,
1
);
ASSERT_SUCCESS
(
af_create_array
(&inArray, &in.
front
(), dims.
ndims
(),
dims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
ASSERT_SUCCESS
(
af_create_array
(&maskArray, &mask.
front
(), mdims.
ndims
(),
mdims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
if
(isDilation)
ASSERT_EQ
(
AF_ERR_SIZE
,
af_dilate3
(&outArray, inArray, maskArray));
else
ASSERT_EQ
(
AF_ERR_SIZE
,
af_erode3
(&outArray, inArray, maskArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
//
Check for 4D mask
mdims =
dim4
(
3
,
3
,
3
,
3
);
ASSERT_SUCCESS
(
af_create_array
(&maskArray, &mask.
front
(), mdims.
ndims
(),
mdims.
get
(),
(af_dtype)dtype_traits<T>::af_type));
if
(isDilation)
ASSERT_EQ
(
AF_ERR_SIZE
,
af_dilate3
(&outArray, inArray, maskArray));
else
ASSERT_EQ
(
AF_ERR_SIZE
,
af_erode3
(&outArray, inArray, maskArray));
ASSERT_SUCCESS
(
af_release_array
(maskArray));
ASSERT_SUCCESS
(
af_release_array
(inArray));
}
TYPED_TEST
(Morph, DilateVolumeInvalidMask) {
morph3DMaskTest<TypeParam,
true
>();
}
TYPED_TEST
(Morph, ErodeVolumeInvalidMask) {
morph3DMaskTest<TypeParam,
false
>();
}
//
//////////////////////////////////// CPP //////////////////////////////////
//
using
af::array;
using
af::constant;
using
af::erode;
using
af::iota;
using
af::loadImage;
using
af::max;
using
af::randu;
using
af::seq;
using
af::span;
template
<
typename
T,
bool
isDilation,
bool
isColor>
void
cppMorphImageTest
(string pTestFile) {
SUPPORTED_TYPE_CHECK
(T);
IMAGEIO_ENABLED_CHECK
();
vector<dim4> inDims;
vector<string> inFiles;
vector<
dim_t
> outSizes;
vector<string> outFiles;
readImageTests
(pTestFile, inDims, inFiles, outSizes, outFiles);
size_t
testCount = inDims.
size
();
for
(
size_t
testId =
0
; testId < testCount; ++testId) {
inFiles[testId].
insert
(
0
,
string
(
TEST_DIR
"
/morph/
"
));
outFiles[testId].
insert
(
0
,
string
(
TEST_DIR
"
/morph/
"
));
array mask =
constant
(
1.0
,
3
,
3
);
array img =
loadImage
(inFiles[testId].
c_str
(), isColor);
array gold =
loadImage
(outFiles[testId].
c_str
(), isColor);
dim_t
nElems = gold.
elements
();
array output;
if
(isDilation)
output =
dilate
(img, mask);
else
output =
erode
(img, mask);
vector<T>
outData
(nElems);
output.
host
((
void
*)outData.
data
());
vector<T>
goldData
(nElems);
gold.
host
((
void
*)goldData.
data
());
ASSERT_EQ
(
true
,
compareArraysRMSD
(nElems, goldData.
data
(),
outData.
data
(),
0
.
018f
));
}
}
TEST
(Morph, Grayscale_CPP) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
cppMorphImageTest<
float
,
true
,
false
>(
string
(
TEST_DIR
"
/morph/gray.test
"
));
}
TEST
(Morph, ColorImage_CPP) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
cppMorphImageTest<
float
,
false
,
true
>(
string
(
TEST_DIR
"
/morph/color.test
"
));
}
TEST
(Morph,
GFOR
) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
dim4 dims =
dim4
(
10
,
10
,
3
);
array A =
iota
(dims);
array B =
constant
(
0
, dims);
array mask =
randu
(
3
,
3
) >
0.3
;
gfor
(seq ii,
3
) {
B
(span, span, ii) =
erode
(
A
(span, span, ii), mask); }
for
(
int
ii =
0
; ii <
3
; ii++) {
array c_ii =
erode
(
A
(span, span, ii), mask);
array b_ii =
B
(span, span, ii);
ASSERT_EQ
(max<
double
>(
abs
(c_ii - b_ii)) <
1E-5
,
true
);
}
}
TEST
(Morph, EdgeIssue1564) {
UNSUPPORTED_BACKEND
(
AF_BACKEND_ONEAPI
);
int
inputData[
10
*
10
] = {
0
,
0
,
0
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
1
,
1
};
int
goldData[
10
*
10
] = {
0
,
0
,
1
,
0
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
0
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
1
,
1
,
1
,
0
,
0
,
0
,
0
,
1
,
1
,
1
,
1
,
1
,
1
};
array
input
(
10
,
10
, inputData);
int
maskData[
3
*
3
] = {
1
,
1
,
1
,
1
,
0
,
1
,
1
,
1
,
1
};
array
mask
(
3
,
3
, maskData);
array dilated =
dilate
(input.
as
(b8), mask.
as
(b8));
size_t
nElems = dilated.
elements
();
vector<
char
>
outData
(nElems);
dilated.
host
((
void
*)outData.
data
());
for
(
size_t
i =
0
; i < nElems; ++i) {
ASSERT_EQ
((
int
)outData[i], goldData[i]);
}
}
TEST
(Morph, UnsupportedKernel2D) {
const
unsigned
ndims =
2
;
const
dim_t
dims[
2
] = {
10
,
10
};
const
dim_t
kdims[
2
] = {
32
,
32
};
af_array in, mask, out;
ASSERT_SUCCESS
(
af_constant
(&mask,
1.0
, ndims, kdims,
f32
));
ASSERT_SUCCESS
(
af_randu
(&in, ndims, dims,
f32
));
#
if
defined(AF_CPU)
ASSERT_SUCCESS
(
af_dilate
(&out, in, mask));
ASSERT_SUCCESS
(
af_release_array
(out));
#
else
ASSERT_EQ
(
AF_ERR_NOT_SUPPORTED
,
af_dilate
(&out, in, mask));
#
endif
ASSERT_SUCCESS
(
af_release_array
(in));
ASSERT_SUCCESS
(
af_release_array
(mask));
}
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