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Merge pull request #7055 from gylns:master

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This commit is contained in:
Vadim Pisarevsky 2016-08-18 13:17:18 +00:00
commit ea1f885be1
3 changed files with 44 additions and 23 deletions
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61
modules/features2d/src/mser.cpp
View File

@ -211,7 +211,7 @@ public:
return;
}
}
if( parent_ && parent_->var >= 0.f && var >= parent_->var )
if( var > 0.f && parent_ && parent_->var >= 0.f && var >= parent_->var )
return;
int xmin = INT_MAX, ymin = INT_MAX, xmax = INT_MIN, ymax = INT_MIN, j = 0;
wp.msers->push_back(vector<Point>());
@ -270,12 +270,20 @@ public:
if( !history || (history->size != size && size > 0 &&
(gray_level != history->val || force)))
{
CompHistory* h = hptr++;
h->parent_ = 0;
h->child_ = history;
h->next_ = 0;
if( history )
history->parent_ = h;
CompHistory* h;
if (history && gray_level == history->val)
h = history;
else
{
h = hptr++;
h->parent_ = 0;
h->child_ = history;
h->next_ = 0;
if (history)
history->parent_ = h;
}
h->val = gray_level;
h->size = size;
h->head = head;
@ -283,7 +291,7 @@ public:
history = h;
h->var = FLT_MAX;
h->checked = true;
if( h->size >= wp.p.minArea )
if (h->size >= wp.p.minArea)
{
h->var = -1.f;
h->checked = false;
@ -291,7 +299,7 @@ public:
}
}
gray_level = new_gray_level;
if( update && history )
if( update && history && gray_level != history->val )
history->updateTree(wp, 0, 0, final);
}
@ -299,14 +307,13 @@ public:
void merge( ConnectedComp* comp1, ConnectedComp* comp2,
CompHistory*& hptr, WParams& wp )
{
comp1->growHistory( hptr, wp, -1, false );
comp2->growHistory( hptr, wp, -1, false );
if( comp1->size < comp2->size )
std::swap(comp1, comp2);
if( comp2->size == 0 )
{
// only grow comp1's history
comp1->growHistory(hptr, wp, -1, false);
gray_level = comp1->gray_level;
head = comp1->head;
tail = comp1->tail;
@ -315,21 +322,35 @@ public:
return;
}
CompHistory* h1 = comp1->history;
CompHistory* h2 = comp2->history;
comp1->growHistory( hptr, wp, -1, false );
comp2->growHistory( hptr, wp, -1, false );
gray_level = std::max(comp1->gray_level, comp2->gray_level);
if (comp1->gray_level < comp2->gray_level)
std::swap(comp1, comp2);
gray_level = comp1->gray_level;
history = comp1->history;
wp.pix0[comp1->tail].setNext(comp2->head);
head = comp1->head;
tail = comp2->tail;
size = comp1->size + comp2->size;
bool keep_2nd = h2->size > wp.p.minArea;
growHistory( hptr, wp, -1, false, keep_2nd );
if( keep_2nd )
CompHistory *h1 = history->child_;
CompHistory *h2 = comp2->history;
if (h2->size > wp.p.minArea)
{
h1->next_ = h2;
// the child_'s size should be the large one
if (h1 && h1->size > h2->size)
{
h2->next_ = h1->next_;
h1->next_ = h2;
}
else
{
history->child_ = h2;
h2->next_ = h1;
}
h2->parent_ = history;
}
}
@ -390,7 +411,7 @@ public:
int step = cols;
for( i = 1; i < rows-1; i++ )
{
Pixel* pptr = &pixbuf[i*step + 1];
Pixel* pptr = &pixbuf[i*step];
for( j = 1; j < cols-1; j++ )
{
pptr[j].val = 0;

2
modules/features2d/test/test_mser.cpp
View File

@ -132,7 +132,7 @@ TEST(Features2d_MSER, cases)
GaussianBlur(src, src, Size(5, 5), 1.5, 1.5);
int minRegs = use_big_image ? 7 : 2;
int maxRegs = use_big_image ? 1000 : 15;
int maxRegs = use_big_image ? 1000 : 20;
if( binarize && (thresh == 0 || thresh == 255) )
minRegs = maxRegs = 0;

4
modules/python/test/test_mser.py
View File

@ -59,11 +59,11 @@ class mser_test(NewOpenCVTests):
if blur:
src = cv2.GaussianBlur(src, (5, 5), 1.5, 1.5)
minRegs = 7 if use_big_image else 2
maxRegs = 1000 if use_big_image else 15
maxRegs = 1000 if use_big_image else 20
if binarize and (thresh == 0 or thresh == 255):
minRegs = maxRegs = 0
msers, boxes = mserExtractor.detectRegions(src)
nmsers = len(msers)
self.assertEqual(nmsers, len(boxes))
self.assertLessEqual(minRegs, nmsers)
self.assertGreaterEqual(maxRegs, nmsers)
self.assertGreaterEqual(maxRegs, nmsers)