Chiebot-Mirror
/
opencv
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merged the trunk 8855,8885,8886

Browse Source
pull/13383/head
Andrey Kamaev 13 years ago
parent 3a40f27655
commit 088a6597bc
8 changed files with 245 additions and 56 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 24
      modules/features2d/test/test_features2d.cpp
  2. 6
      modules/imgproc/include/opencv2/imgproc/imgproc.hpp
  3. 6
      modules/imgproc/include/opencv2/imgproc/types_c.h
  4. 83
      modules/imgproc/src/color.cpp
  5. 5
      modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java
  6. 39
      modules/java/android_test/src/org/opencv/test/android/UtilsTest.java
  7. 75
      modules/java/generator/src/cpp/utils.cpp
  8. 63
      modules/java/generator/src/java/android+Utils.java

24
modules/features2d/test/test_features2d.cpp
Unescape View File

@ -292,9 +292,9 @@ public:
typedef typename Distance::ValueType ValueType;
typedef typename Distance::ResultType DistanceType;
CV_DescriptorExtractorTest( const string _name, DistanceType _maxDist, const Ptr<DescriptorExtractor>& _dextractor, float _prevTime,
CV_DescriptorExtractorTest( const string _name, DistanceType _maxDist, const Ptr<DescriptorExtractor>& _dextractor,
Distance d = Distance() ):
name(_name), maxDist(_maxDist), prevTime(_prevTime), dextractor(_dextractor), distance(d) {}
name(_name), maxDist(_maxDist), dextractor(_dextractor), distance(d) {}
protected:
virtual void createDescriptorExtractor() {}
@ -400,7 +400,7 @@ protected:
double t = (double)getTickCount();
dextractor->compute( img, keypoints, calcDescriptors );
t = getTickCount() - t;
ts->printf(cvtest::TS::LOG, "\nAverage time of computing one descriptor = %g ms (previous time = %g ms).\n", t/((double)cvGetTickFrequency()*1000.)/calcDescriptors.rows, prevTime );
ts->printf(cvtest::TS::LOG, "\nAverage time of computing one descriptor = %g ms.\n", t/((double)cvGetTickFrequency()*1000.)/calcDescriptors.rows);
if( calcDescriptors.rows != (int)keypoints.size() )
{
@ -485,7 +485,6 @@ protected:
string name;
const DistanceType maxDist;
const float prevTime;
Ptr<DescriptorExtractor> dextractor;
Distance distance;
@ -1027,11 +1026,15 @@ TEST( Features2d_Detector_PyramidFAST, regression )
test.safe_run();
}
/*
* Descriptors
*/
TEST( Features2d_DescriptorExtractor_ORB, regression )
{
// TODO adjust the parameters below
CV_DescriptorExtractorTest<Hamming> test( "descriptor-orb", (CV_DescriptorExtractorTest<Hamming>::DistanceType)12.f,
DescriptorExtractor::create("ORB"), 0.010f );
DescriptorExtractor::create("ORB") );
test.safe_run();
}
@ -1039,14 +1042,21 @@ TEST( Features2d_DescriptorExtractor_FREAK, regression )
{
// TODO adjust the parameters below
CV_DescriptorExtractorTest<Hamming> test( "descriptor-freak", (CV_DescriptorExtractorTest<Hamming>::DistanceType)12.f,
DescriptorExtractor::create("FREAK"), 0.010f );
DescriptorExtractor::create("FREAK") );
test.safe_run();
}
TEST( Features2d_DescriptorExtractor_BRIEF, regression )
{
CV_DescriptorExtractorTest<Hamming> test( "descriptor-brief", 1,
DescriptorExtractor::create("BRIEF"), 0.00527548f );
DescriptorExtractor::create("BRIEF") );
test.safe_run();
}
TEST( Features2d_DescriptorExtractor_OpponentBRIEF, regression )
{
CV_DescriptorExtractorTest<Hamming> test( "descriptor-opponent-brief", 1,
DescriptorExtractor::create("OpponentBRIEF") );
test.safe_run();
}

6
modules/imgproc/include/opencv2/imgproc/imgproc.hpp
Unescape View File

@ -1007,7 +1007,11 @@ enum
COLOR_YUV2GRAY_YUYV = COLOR_YUV2GRAY_YUY2,
COLOR_YUV2GRAY_YUNV = COLOR_YUV2GRAY_YUY2,
COLOR_COLORCVT_MAX = 125
// alpha premultiplication
COLOR_RGBA2mRGBA = 125,
COLOR_mRGBA2RGBA = 126,
COLOR_COLORCVT_MAX = 127
};

6
modules/imgproc/include/opencv2/imgproc/types_c.h
Unescape View File

@ -306,7 +306,11 @@ enum
CV_YUV2GRAY_YUYV = CV_YUV2GRAY_YUY2,
CV_YUV2GRAY_YUNV = CV_YUV2GRAY_YUY2,
CV_COLORCVT_MAX = 125
// alpha premultiplication
CV_RGBA2mRGBA = 125,
CV_mRGBA2RGBA = 126,
CV_COLORCVT_MAX = 127
};

83
modules/imgproc/src/color.cpp
Unescape View File

@ -3128,6 +3128,57 @@ inline void cvtYUV422toRGBA(Mat& _dst, int _stride, const uchar* _yuv)
converter(BlockedRange(0, _dst.rows));
}
/////////////////////////// RGBA <-> mRGBA (alpha premultiplied) //////////////
template<typename _Tp>
struct RGBA2mRGBA
{
typedef _Tp channel_type;
void operator()(const _Tp* src, _Tp* dst, int n) const
{
_Tp max_val = ColorChannel<_Tp>::max();
_Tp half_val = ColorChannel<_Tp>::half();
for( int i = 0; i < n; i++ )
{
_Tp v0 = *src++;
_Tp v1 = *src++;
_Tp v2 = *src++;
_Tp v3 = *src++;
*dst++ = (v0 * v3 + half_val) / max_val;
*dst++ = (v1 * v3 + half_val) / max_val;
*dst++ = (v2 * v3 + half_val) / max_val;
*dst++ = v3;
}
}
};
template<typename _Tp>
struct mRGBA2RGBA
{
typedef _Tp channel_type;
void operator()(const _Tp* src, _Tp* dst, int n) const
{
_Tp max_val = ColorChannel<_Tp>::max();
for( int i = 0; i < n; i++ )
{
_Tp v0 = *src++;
_Tp v1 = *src++;
_Tp v2 = *src++;
_Tp v3 = *src++;
_Tp v3_half = v3 / 2;
*dst++ = (v3==0)? 0 : (v0 * max_val + v3_half) / v3;
*dst++ = (v3==0)? 0 : (v1 * max_val + v3_half) / v3;
*dst++ = (v3==0)? 0 : (v2 * max_val + v3_half) / v3;
*dst++ = v3;
}
}
};
}//namespace cv
//////////////////////////////////////////////////////////////////////////////////////////
@ -3640,6 +3691,38 @@ void cv::cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
extractChannel(_src, _dst, code == CV_YUV2GRAY_UYVY ? 1 : 0);
}
break;
case CV_RGBA2mRGBA:
{
if (dcn <= 0) dcn = 4;
CV_Assert( scn == 4 && dcn == 4 );
_dst.create(sz, CV_MAKETYPE(depth, dcn));
dst = _dst.getMat();
if( depth == CV_8U )
{
CvtColorLoop(src, dst, RGBA2mRGBA<uchar>());
} else {
CV_Error( CV_StsBadArg, "Unsupported image depth" );
}
}
break;
case CV_mRGBA2RGBA:
{
if (dcn <= 0) dcn = 4;
CV_Assert( scn == 4 && dcn == 4 );
_dst.create(sz, CV_MAKETYPE(depth, dcn));
dst = _dst.getMat();
if( depth == CV_8U )
{
CvtColorLoop(src, dst, mRGBA2RGBA<uchar>());
} else {
CV_Error( CV_StsBadArg, "Unsupported image depth" );
}
}
break;
default:
CV_Error( CV_StsBadFlag, "Unknown/unsupported color conversion code" );
}

5
modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java
Unescape View File

@ -400,12 +400,13 @@ public class OpenCVTestCase extends TestCase {
Mat diff = new Mat();
Core.absdiff(expected, actual, diff);
double maxDiff = Core.norm(diff, Core.NORM_INF);
if (isEqualityMeasured)
assertTrue("Max difference between expected and actiual Mats is bigger than " + eps,
assertTrue("Max difference between expected and actiual Mats is "+ maxDiff + ", that bigger than " + eps,
Core.checkRange(diff, true, 0.0, eps));
else
assertFalse("Max difference between expected and actiual Mats is less than " + eps,
assertFalse("Max difference between expected and actiual Mats is "+ maxDiff + ", that less than " + eps,
Core.checkRange(diff, true, 0.0, eps));
}

39
modules/java/android_test/src/org/opencv/test/android/UtilsTest.java
Unescape View File

@ -130,4 +130,43 @@ public class UtilsTest extends OpenCVTestCase {
}
public void testAlphaPremultiplication() {
final int size = 256;
Bitmap bmp = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
Mat mOrig = new Mat(size, size, CvType.CV_8UC4);
Mat mUnPre = new Mat(size, size, CvType.CV_8UC4);
for(int y=0; y<size; y++) {
int a = y;
for(int x=0; x<size; x++) {
int color = Color.argb(a, 0, x, y);
bmp.setPixel(x, y, color);
mOrig.put(y, x, Color.red(color), Color.green(color), Color.blue(color), Color.alpha(color));
int colorUnPre = bmp.getPixel(x, y);
mUnPre.put(y, x, Color.red(colorUnPre), Color.green(colorUnPre), Color.blue(colorUnPre), Color.alpha(colorUnPre));
}
}
// Bitmap -> Mat
Mat m1 = new Mat();
Mat m2 = new Mat();
Utils.bitmapToMat(bmp, m1, false);
Imgproc.cvtColor(mOrig, m2, Imgproc.COLOR_RGBA2mRGBA);
assertMatEqual(m1, m2, 1.1);
Utils.bitmapToMat(bmp, m1, true);
assertMatEqual(m1, mUnPre, 1.1);
// Mat -> Bitmap
Bitmap bmp1 = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
Utils.matToBitmap(mOrig, bmp1, true);
Utils.bitmapToMat(bmp1, m1, true);
//assertMatEqual(m1, mUnPre, 1.1);
Mat diff = new Mat();
Core.absdiff(m1, mUnPre, diff);
int numDiff = Core.countNonZero(diff.reshape(1));
assertTrue(numDiff < size * 4);
}
}

75
modules/java/generator/src/cpp/utils.cpp
Unescape View File

@ -21,14 +21,14 @@ extern "C" {
/*
* Class: org_opencv_android_Utils
* Method: void nBitmapToMat(Bitmap b, long m_addr)
* Method: void nBitmapToMat2(Bitmap b, long m_addr, boolean unPremultiplyAlpha)
*/
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat
(JNIEnv * env, jclass, jobject bitmap, jlong m_addr);
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat2
(JNIEnv * env, jclass, jobject bitmap, jlong m_addr, jboolean needUnPremultiplyAlpha);
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat
(JNIEnv * env, jclass, jobject bitmap, jlong m_addr)
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat2
(JNIEnv * env, jclass, jobject bitmap, jlong m_addr, jboolean needUnPremultiplyAlpha)
{
AndroidBitmapInfo info;
void* pixels = 0;
@ -46,7 +46,8 @@ JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat
{
LOGD("nBitmapToMat: RGBA_8888 -> CV_8UC4");
Mat tmp(info.height, info.width, CV_8UC4, pixels);
tmp.copyTo(dst);
if(needUnPremultiplyAlpha) cvtColor(tmp, dst, COLOR_mRGBA2RGBA);
else tmp.copyTo(dst);
} else {
// info.format == ANDROID_BITMAP_FORMAT_RGB_565
LOGD("nBitmapToMat: RGB_565 -> CV_8UC4");
@ -71,56 +72,68 @@ JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat
}
}
// old signature is left for binary compatibility with 2.4.0 & 2.4.1, to removed in 2.5
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat
(JNIEnv * env, jclass, jobject bitmap, jlong m_addr);
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nBitmapToMat
(JNIEnv * env, jclass, jobject bitmap, jlong m_addr)
{
Java_org_opencv_android_Utils_nBitmapToMat2(env, 0, bitmap, m_addr, false);
}
/*
* Class: org_opencv_android_Utils
* Method: void nMatToBitmap(long m_addr, Bitmap b)
* Method: void nMatToBitmap2(long m_addr, Bitmap b, boolean premultiplyAlpha)
*/
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap
(JNIEnv * env, jclass, jlong m_addr, jobject bitmap);
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap
(JNIEnv * env, jclass, jlong m_addr, jobject bitmap)
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap2
(JNIEnv * env, jclass, jlong m_addr, jobject bitmap, jboolean needPremultiplyAlpha);
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap2
(JNIEnv * env, jclass, jlong m_addr, jobject bitmap, jboolean needPremultiplyAlpha)
{
AndroidBitmapInfo info;
void* pixels = 0;
Mat& dst = *((Mat*)m_addr);
Mat& src = *((Mat*)m_addr);
try {
LOGD("nMatToBitmap");
CV_Assert( AndroidBitmap_getInfo(env, bitmap, &info) >= 0 );
CV_Assert( info.format == ANDROID_BITMAP_FORMAT_RGBA_8888 ||
info.format == ANDROID_BITMAP_FORMAT_RGB_565 );
CV_Assert( dst.dims == 2 && info.height == (uint32_t)dst.rows && info.width == (uint32_t)dst.cols );
CV_Assert( dst.type() == CV_8UC1 || dst.type() == CV_8UC3 || dst.type() == CV_8UC4 );
CV_Assert( src.dims == 2 && info.height == (uint32_t)src.rows && info.width == (uint32_t)src.cols );
CV_Assert( src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4 );
CV_Assert( AndroidBitmap_lockPixels(env, bitmap, &pixels) >= 0 );
CV_Assert( pixels );
if( info.format == ANDROID_BITMAP_FORMAT_RGBA_8888 )
{
Mat tmp(info.height, info.width, CV_8UC4, pixels);
if(dst.type() == CV_8UC1)
if(src.type() == CV_8UC1)
{
LOGD("nMatToBitmap: CV_8UC1 -> RGBA_8888");
cvtColor(dst, tmp, CV_GRAY2RGBA);
} else if(dst.type() == CV_8UC3){
cvtColor(src, tmp, CV_GRAY2RGBA);
} else if(src.type() == CV_8UC3){
LOGD("nMatToBitmap: CV_8UC3 -> RGBA_8888");
cvtColor(dst, tmp, CV_RGB2RGBA);
} else if(dst.type() == CV_8UC4){
cvtColor(src, tmp, CV_RGB2RGBA);
} else if(src.type() == CV_8UC4){
LOGD("nMatToBitmap: CV_8UC4 -> RGBA_8888");
dst.copyTo(tmp);
if(needPremultiplyAlpha) cvtColor(src, tmp, COLOR_RGBA2mRGBA);
else src.copyTo(tmp);
}
} else {
// info.format == ANDROID_BITMAP_FORMAT_RGB_565
Mat tmp(info.height, info.width, CV_8UC2, pixels);
if(dst.type() == CV_8UC1)
if(src.type() == CV_8UC1)
{
LOGD("nMatToBitmap: CV_8UC1 -> RGB_565");
cvtColor(dst, tmp, CV_GRAY2BGR565);
} else if(dst.type() == CV_8UC3){
cvtColor(src, tmp, CV_GRAY2BGR565);
} else if(src.type() == CV_8UC3){
LOGD("nMatToBitmap: CV_8UC3 -> RGB_565");
cvtColor(dst, tmp, CV_RGB2BGR565);
} else if(dst.type() == CV_8UC4){
cvtColor(src, tmp, CV_RGB2BGR565);
} else if(src.type() == CV_8UC4){
LOGD("nMatToBitmap: CV_8UC4 -> RGB_565");
cvtColor(dst, tmp, CV_RGBA2BGR565);
cvtColor(src, tmp, CV_RGBA2BGR565);
}
}
AndroidBitmap_unlockPixels(env, bitmap);
@ -141,4 +154,14 @@ JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap
}
}
// old signature is left for binary compatibility with 2.4.0 & 2.4.1, to removed in 2.5
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap
(JNIEnv * env, jclass, jlong m_addr, jobject bitmap);
JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap
(JNIEnv * env, jclass, jlong m_addr, jobject bitmap)
{
Java_org_opencv_android_Utils_nMatToBitmap2(env, 0, m_addr, bitmap, false);
}
} // extern "C"

63
modules/java/generator/src/java/android+Utils.java
Unescape View File

@ -81,19 +81,28 @@ public class Utils {
* <br>The output Mat is always created of the same size as the input Bitmap and of the 'CV_8UC4' type,
* it keeps the image in RGBA format.
* <br>The function throws an exception if the conversion fails.
*
* @param b is a valid input Bitmap object of the type 'ARGB_8888' or 'RGB_565'.
* @param m is a valid output Mat object, it will be reallocated if needed, so it's possible to pass an empty Mat.
* @param bmp is a valid input Bitmap object of the type 'ARGB_8888' or 'RGB_565'.
* @param mat is a valid output Mat object, it will be reallocated if needed, so it's possible to pass an empty Mat.
* @param unPremultiplyAlpha is a flag if the bitmap needs to be converted from alpha premultiplied format (like Android keeps 'ARGB_8888' ones) to regular one. The flag is ignored for 'RGB_565' bitmaps.
*/
public static void bitmapToMat(Bitmap b, Mat m) {
if (b == null)
throw new java.lang.IllegalArgumentException("Bitmap b == null");
if (m == null)
throw new java.lang.IllegalArgumentException("Mat m == null");
nBitmapToMat(b, m.nativeObj);
public static void bitmapToMat(Bitmap bmp, Mat mat, boolean unPremultiplyAlpha) {
if (bmp == null)
throw new java.lang.IllegalArgumentException("bmp == null");
if (mat == null)
throw new java.lang.IllegalArgumentException("mat == null");
nBitmapToMat2(bmp, mat.nativeObj, unPremultiplyAlpha);
}
/**
* Shortened form of the bitmapToMat(bmp, mat, unPremultiplyAlpha=false)
* @param bmp is a valid input Bitmap object of the type 'ARGB_8888' or 'RGB_565'.
* @param mat is a valid output Mat object, it will be reallocated if needed, so it's possible to pass an empty Mat.
*/
public static void bitmapToMat(Bitmap bmp, Mat mat) {
bitmapToMat(bmp, mat, false);
}
/**
* Converts OpenCV Mat to Android Bitmap.
* <p>
@ -102,18 +111,34 @@ public class Utils {
* <br>The output Bitmap object has to be of the same size as the input Mat and of the types 'ARGB_8888' or 'RGB_565'.
* <br>The function throws an exception if the conversion fails.
*
* @param m is a valid input Mat object of the types 'CV_8UC1', 'CV_8UC3' or 'CV_8UC4'.
* @param b is a valid Bitmap object of the same size as the Mat m and of type 'ARGB_8888' or 'RGB_565'.
* @param mat is a valid input Mat object of the types 'CV_8UC1', 'CV_8UC3' or 'CV_8UC4'.
* @param bmp is a valid Bitmap object of the same size as the Mat m and of type 'ARGB_8888' or 'RGB_565'.
* @param premultiplyAlpha is a flag if the Mat needs to be converted to alpha premultiplied format (like Android keeps 'ARGB_8888' bitmaps). The flag is ignored for 'RGB_565' bitmaps.
*/
public static void matToBitmap(Mat m, Bitmap b) {
if (m == null)
throw new java.lang.IllegalArgumentException("Mat m == null");
if (b == null)
throw new java.lang.IllegalArgumentException("Bitmap b == null");
nMatToBitmap(m.nativeObj, b);
public static void matToBitmap(Mat mat, Bitmap bmp, boolean premultiplyAlpha) {
if (mat == null)
throw new java.lang.IllegalArgumentException("mat == null");
if (bmp == null)
throw new java.lang.IllegalArgumentException("bmp == null");
nMatToBitmap2(mat.nativeObj, bmp, premultiplyAlpha);
}
/**
* Shortened form of the <b>matToBitmap(mat, bmp, premultiplyAlpha=false)</b>
* @param mat is a valid input Mat object of the types 'CV_8UC1', 'CV_8UC3' or 'CV_8UC4'.
* @param bmp is a valid Bitmap object of the same size as the Mat m and of type 'ARGB_8888' or 'RGB_565'.
*/
public static void matToBitmap(Mat mat, Bitmap bmp) {
matToBitmap(mat, bmp, false);
}
// native stuff
static {
System.loadLibrary("opencv_java");
}
private static native void nBitmapToMat(Bitmap b, long m_addr);
private static native void nBitmapToMat2(Bitmap b, long m_addr, boolean unPremultiplyAlpha);
private static native void nMatToBitmap(long m_addr, Bitmap b);
private static native void nMatToBitmap2(long m_addr, Bitmap b, boolean premultiplyAlpha);
}

Write Preview
Loading…
Cancel
Save