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Bug fixed in findEndContours and icvFindContoursInInterval adjusted.

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This commit is contained in:
matze 2016-09-03 20:09:39 +02:00
parent f6451c7ae6
commit fd6f54c895
1 changed files with 7 additions and 7 deletions
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14
modules/imgproc/src/contours.cpp
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@ -1408,7 +1408,7 @@ inline int findEndContourPoint(uchar *src_data, CvSize img_size, int j) {
#endif #endif
#if CV_SSE2 #if CV_SSE2
if (j < img_size.width && !src_data[j]) { if (j < img_size.width && !src_data[j]) {
return j - 1; return j;
} else if (haveSSE2) { } else if (haveSSE2) {
__m128i v_zero = _mm_setzero_si128(); __m128i v_zero = _mm_setzero_si128();
int v_size = img_size.width - 32; int v_size = img_size.width - 32;
@ -1424,12 +1424,12 @@ inline int findEndContourPoint(uchar *src_data, CvSize img_size, int j) {
unsigned int mask2 = _mm_movemask_epi8(v_cmp2); unsigned int mask2 = _mm_movemask_epi8(v_cmp2);
if (mask1) { if (mask1) {
j += (trailingZeros(mask1) - 1); j += trailingZeros(mask1);
return j; return j;
} }
if (mask2) { if (mask2) {
j += trailingZeros(mask2 << 15); j += trailingZeros(mask2 << 16);
return j; return j;
} }
} }
@ -1440,7 +1440,7 @@ inline int findEndContourPoint(uchar *src_data, CvSize img_size, int j) {
unsigned int mask = _mm_movemask_epi8(_mm_cmpeq_epi8(v_p, v_zero)); unsigned int mask = _mm_movemask_epi8(_mm_cmpeq_epi8(v_p, v_zero));
if (mask) { if (mask) {
j += (trailingZeros(mask) - 1); j += trailingZeros(mask);
return j; return j;
} }
j += 16; j += 16;
@ -1450,7 +1450,7 @@ inline int findEndContourPoint(uchar *src_data, CvSize img_size, int j) {
for (; j < img_size.width && src_data[j]; ++j) for (; j < img_size.width && src_data[j]; ++j)
; ;
return j - 1; return j;
} }
static int static int
@ -1556,7 +1556,7 @@ icvFindContoursInInterval( const CvArr* src,
#else #else
j = findEndContourPoint(src_data, img_size, j+1); j = findEndContourPoint(src_data, img_size, j+1);
#endif #endif
tmp.pt.x = j; tmp.pt.x = j - 1;
CV_WRITE_SEQ_ELEM( tmp, writer ); CV_WRITE_SEQ_ELEM( tmp, writer );
tmp_prev->next = (CvLinkedRunPoint*)CV_GET_WRITTEN_ELEM( writer ); tmp_prev->next = (CvLinkedRunPoint*)CV_GET_WRITTEN_ELEM( writer );
tmp_prev->link = tmp_prev->next; tmp_prev->link = tmp_prev->next;
@ -1594,7 +1594,7 @@ icvFindContoursInInterval( const CvArr* src,
#else #else
j = findEndContourPoint(src_data, img_size, j+1); j = findEndContourPoint(src_data, img_size, j+1);
#endif #endif
tmp.pt.x = j; tmp.pt.x = j - 1;
CV_WRITE_SEQ_ELEM( tmp, writer ); CV_WRITE_SEQ_ELEM( tmp, writer );
tmp_prev = tmp_prev->next = (CvLinkedRunPoint*)CV_GET_WRITTEN_ELEM( writer ); tmp_prev = tmp_prev->next = (CvLinkedRunPoint*)CV_GET_WRITTEN_ELEM( writer );
}//j }//j