bagThreadPositioning v1.0.0

初版算法
This commit is contained in:
jerryzeng 2026-01-23 16:34:10 +08:00
parent 360460320e
commit 2d7bb92410
5 changed files with 578 additions and 25 deletions

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@ -461,12 +461,16 @@ int main()
growParam.minLTypeTreeLen = 10; //mm,
growParam.minVTypeTreeLen = 10; //mm
bool isHorizonScan = false; //true:激光线平行线缝false:激光线垂直线缝
SSX_ScanInfo scanInfo;
scanInfo.isHorizonScan = false; //true:激光线平行线缝false:激光线垂直线缝
scanInfo.scanFromThreadHead = false; //true:线袋子线缝头部开始扫描。
scanInfo.stitchWidth = 1.0; //mm线头扫描后的最小宽度
scanInfo.operateDist = 3.0; //mm下刀位置距离线头位置
int errCode = 0;
std::vector<SSX_bagThreadInfo> bagThreadInfo;
wd_bagThreadPositioning(
scanLines,
isHorizonScan, //true:激光线平行线缝false:激光线垂直线缝
scanInfo, //true:激光线平行线缝false:激光线垂直线缝
filterParam, //噪点过滤参数
cornerParam, //V型特征参数
raisedFeatureParam,//线尾凸起参数

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@ -166,6 +166,24 @@ SG_APISHARED_EXPORT void wd_getLineCorerFeature(
std::vector<SSG_basicFeature1D>& line_cornerFeatures //拐点
);
/// 提取激光线上的拐点特征。是在PSM LVTypeFeature, BQ等拐点算法的基础上的版本。
/// 使用平均点距进行加速
/// nPointIdx被重新定义成Feature类型
/// 算法流程:
/// 1逐点计算前向角和后向角
/// 2逐点计算拐角顺时针为负逆时针为正
/// 3搜索正拐角的极大值。
/// 4判断拐角是否为跳变
/// </summary>
SG_APISHARED_EXPORT void wd_getLineCorerFeature_accelerate(
std::vector< SVzNL3DPosition>& lineData,
int lineIdx,
const SSG_cornerParam cornerPara,
const double pointInterval,
std::vector<SSG_RUN_EX>& segs,
std::vector<SSG_basicFeature1D>& line_cornerFeatures //拐点特征
);
//提取凸起段
SG_APISHARED_EXPORT void wd_getLineRaisedFeature(
std::vector< SVzNL3DPosition>& lineData,

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@ -3724,6 +3724,9 @@ void _searchCornerPeaks(
if (i == 275)
int kkk = 1;
SSG_pntDirAngle* curr_data = &corners[i];
if (curr_data->pntIdx < 0)
continue;
if (curr_data->pntIdx < 0)
{
if (i == i_max - 1) //最后一个
@ -4071,6 +4074,202 @@ void wd_getLineCorerFeature(
return;
}
/// 提取激光线上的拐点特征。是在PSM LVTypeFeature, BQ等拐点算法的基础上的版本。
/// 使用平均点距进行加速
/// nPointIdx被重新定义成Feature类型
/// 算法流程:
/// 1逐点计算前向角和后向角
/// 2逐点计算拐角顺时针为负逆时针为正
/// 3搜索正拐角的极大值。
/// 4判断拐角是否为跳变
/// </summary>
void wd_getLineCorerFeature_accelerate(
std::vector< SVzNL3DPosition>& lineData,
int lineIdx,
const SSG_cornerParam cornerPara,
const double pointInterval,
std::vector<SSG_RUN_EX>& segs,
std::vector<SSG_basicFeature1D>& line_cornerFeatures //拐点特征
)
{
int dataSize = (int)lineData.size();
//去除零点
int runIdx = 1;
SSG_RUN_EX a_run = { 0, -1, 0, false, false }; //startIdx, len, lastIdx
double pre_z = 0;
double pre_y = 0;
for (int i = 0; i < dataSize; i++)
{
if (i == 1100)
int kkk = 1;
lineData[i].nPointIdx = i; //重新编序号
if (lineData[i].pt3D.z > 1e-4)
{
if (a_run.len < 0)
{
a_run.start_zRising = true;
a_run.start = i;
a_run.len = 1;
a_run.end_zRising = true;
a_run.value = i;
}
else
{
double z_diff = abs(lineData[i].pt3D.z - pre_z);
if (z_diff < cornerPara.minEndingGap_z)
{
a_run.len = i - a_run.start + 1;
a_run.value = i;
}
else
{
bool next_zRising;
if (pre_z > lineData[i].pt3D.z)
{
a_run.end_zRising = true;
next_zRising = false;
}
else
{
a_run.end_zRising = false;
next_zRising = true;
}
a_run.value = runIdx;
runIdx++;
segs.push_back(a_run);
a_run.start = i;
a_run.start_zRising = next_zRising;
a_run.len = 1;
a_run.value = i;
a_run.end_zRising = true;
}
}
//vldPtSegIdx.push_back(runIdx);
pre_z = lineData[i].pt3D.z;
}
}
if (a_run.len > 0)
segs.push_back(a_run);
//计算前向角和后向角
std::vector< SSG_pntDirAngle> corners;
corners.resize(lineData.size());
//逐段进行
int ptSkipping = cornerPara.scale / pointInterval;
int segSize = (int)segs.size();
for (int segIdx = 0; segIdx < segSize; segIdx++)
{
int vPtIdxStart = segs[segIdx].start;
int vPtIdxEnd = vPtIdxStart + segs[segIdx].len - 1;
for (int i = vPtIdxStart; i <= vPtIdxEnd; i++)
{
if (i == 1100)
int kkk = 1;
if (lineData[i].pt3D.z < 1e-4)
{
corners[i].pntIdx = -1;
corners[i].forwardAngle = 0;
corners[i].backwardAngle = 0;
corners[i].corner = 0;
corners[i].forwardDiffZ = 0;
corners[i].backwardDiffZ = 0;
continue;
}
//前向寻找
int pre_i = -1;
int searchStart = i - ptSkipping;
if (searchStart >= vPtIdxStart)
{
for (int j = searchStart; j < i; j++)
{
if (lineData[j].pt3D.z > 1e-4)
{
double dist = sqrt(pow(lineData[i].pt3D.y - lineData[j].pt3D.y, 2) +
pow(lineData[i].pt3D.z - lineData[j].pt3D.z, 2));
if (dist < cornerPara.scale)
break;
else
pre_i = j;
}
}
}
//后向寻找
int post_i = -1;
int searchEnd = i + ptSkipping;
if (searchEnd <= vPtIdxEnd)
{
for (int j = searchEnd; j > i; j--)
{
if (lineData[j].pt3D.z > 1e-4)
{
double dist = sqrt(pow(lineData[i].pt3D.y - lineData[j].pt3D.y, 2) +
pow(lineData[i].pt3D.z - lineData[j].pt3D.z, 2));
if (dist < cornerPara.scale)
break;
else
post_i = j;
}
}
}
//计算拐角
if ((pre_i < 0) || (post_i < 0))
{
corners[i].pntIdx = -1;
corners[i].forwardAngle = 0;
corners[i].backwardAngle = 0;
corners[i].corner = 0;
corners[i].forwardDiffZ = 0;
corners[i].backwardDiffZ = 0;
}
else
{
double tanValue_pre = (lineData[i].pt3D.z - lineData[pre_i].pt3D.z) / abs(lineData[i].pt3D.y - lineData[pre_i].pt3D.y);
double tanValue_post = (lineData[post_i].pt3D.z - lineData[i].pt3D.z) / abs(lineData[post_i].pt3D.y - lineData[i].pt3D.y);
double forwardAngle = atan(tanValue_post) * 180.0 / PI;
double backwardAngle = atan(tanValue_pre) * 180.0 / PI;
corners[i].pntIdx = i;
corners[i].forwardAngle = forwardAngle;
corners[i].backwardAngle = backwardAngle;
corners[i].corner = -(forwardAngle - backwardAngle); //图像坐标系与正常坐标系y方向相反所以有“-”号
corners[i].forwardDiffZ = lineData[post_i].pt3D.z - lineData[i].pt3D.z;
corners[i].backwardDiffZ = lineData[i].pt3D.z - lineData[pre_i].pt3D.z;
}
}
}
std::vector< SSG_pntDirAngle> cornerPeakP;
std::vector< SSG_pntDirAngle> cornerPeakM;
double cornerMergeScale = cornerPara.scale * 2;
//提取corner极值
_searchCornerPeaks(
corners,
lineData,
cornerPara,
cornerMergeScale,
cornerPeakP,
cornerPeakM
);
for (int i = 0, i_max = (int)cornerPeakP.size(); i < i_max; i++)
{
SSG_basicFeature1D a_feature;
if ((abs(cornerPeakP[i].backwardAngle) < cornerPara.jumpCornerTh_1) && (abs(cornerPeakP[i].forwardAngle) > cornerPara.jumpCornerTh_2))
a_feature.featureType = LINE_FEATURE_L_JUMP_L2H;
else if ((abs(cornerPeakP[i].forwardAngle) < cornerPara.jumpCornerTh_1) && (abs(cornerPeakP[i].backwardAngle) > cornerPara.jumpCornerTh_2))
a_feature.featureType = LINE_FEATURE_L_JUMP_H2L;
else
a_feature.featureType = LINE_FEATURE_CORNER_V;
int cornerPtIdx = cornerPeakP[i].pntIdx;
a_feature.jumpPos = lineData[cornerPtIdx].pt3D;
a_feature.jumpPos2D = { lineIdx, lineData[cornerPtIdx].nPointIdx };
line_cornerFeatures.push_back(a_feature);
}
return;
}
//提取凸起段
void wd_getLineRaisedFeature(
std::vector< SVzNL3DPosition>& lineData,

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@ -15,7 +15,7 @@ const char* wd_bagThreadPositioningVersion(void)
//线头位置检测定位
void wd_bagThreadPositioning(
std::vector< std::vector<SVzNL3DPosition>>& scanLines,
bool isHorizonScan, //true:激光线平行槽道false:激光线垂直槽道
const SSX_ScanInfo scanInfo, //true:激光线平行槽道false:激光线垂直槽道
const SSG_outlierFilterParam filterParam, //噪点过滤参数
const SSG_cornerParam cornerPara, //V型特征参数
const SSG_raisedFeatureParam raisedFeaturePara,//线尾凸起参数
@ -49,6 +49,9 @@ void wd_bagThreadPositioning(
}
//生成水平扫描数据
//统计平均线间隔和点间隔,用于算法在计算前向角和后向角时加速
double ptInterval = 0;
int ptIntevalNum = 0;
std::vector< std::vector<SVzNL3DPosition>> data_lines_h; //水平扫描数据
data_lines_h.resize(linePtNum);
for (int i = 0; i < linePtNum; i++)
@ -61,20 +64,54 @@ void wd_bagThreadPositioning(
data_lines_h[j][line] = scanLines[line][j];
data_lines_h[j][line].pt3D.x = scanLines[line][j].pt3D.y;
data_lines_h[j][line].pt3D.y = scanLines[line][j].pt3D.x;
if (j > 0)
{
if ((scanLines[line][j - 1].pt3D.z > 1e-4) && (scanLines[line][j].pt3D.z > 1e-4))
{
ptInterval += abs(scanLines[line][j].pt3D.y - scanLines[line][j - 1].pt3D.y);
ptIntevalNum++;
}
}
}
}
if(ptIntevalNum == 0)
{
*errCode = SG_ERR_3D_DATA_NULL;
return;
}
ptInterval = ptInterval / ptIntevalNum;
int lineNum_h = linePtNum;
int linePtNum_h = (int)data_lines_h[0].size();
double lineInterval = 0;
int lineIntervalNum = 0;
for (int line = 0; line< lineNum_h; line++)
{
for (int j = 0, j_max = (int)data_lines_h[line].size(); j < j_max; j++)
{
data_lines_h[line][j].nPointIdx = j;
if (j > 0)
{
if ((data_lines_h[line][j - 1].pt3D.z > 1e-4) && (data_lines_h[line][j].pt3D.z > 1e-4))
{
lineInterval += abs(data_lines_h[line][j].pt3D.y - data_lines_h[line][j - 1].pt3D.y);
lineIntervalNum++;
}
}
}
}
if (lineIntervalNum == 0)
{
*errCode = SG_ERR_3D_DATA_NULL;
return;
}
lineInterval = lineInterval / lineIntervalNum;
double vCornerScale = cornerPara.scale * 4;
std::vector<std::vector<SSG_basicFeature1D>> cornerFeatures;
std::vector<std::vector<SWD_segFeature>> raisedFeatures;
if (false == isHorizonScan)
if (false == scanInfo.isHorizonScan)
{
int validVCornerSCale = (int)(vCornerScale / ptInterval);
//垂直扫描检测V型槽和线尾
for (int line = 0; line < lineNum; line++)
{
@ -85,14 +122,38 @@ void wd_bagThreadPositioning(
sg_lineDataRemoveOutlier_changeOriginData(&lineData[0], linePtNum, filterParam);
//提取V型槽
std::vector<SSG_basicFeature1D> line_cornerFeatures;
std::vector<SSG_RUN_EX> segs;
int dataSize = (int)lineData.size();
wd_getLineCorerFeature(
wd_getLineCorerFeature_accelerate(
lineData,
line,
cornerPara,
ptInterval,
segs,
line_cornerFeatures //拐点
);
cornerFeatures.push_back(line_cornerFeatures);
//检查V型特征两侧不能有跳变
std::vector<SSG_basicFeature1D> valid_cornerFeatures;
int vCornerSize = (int)line_cornerFeatures.size();
int segSize = (int)segs.size();
for (int m = 0; m < vCornerSize; m++)
{
int cornerPos = line_cornerFeatures[m].jumpPos2D.y;
for (int n = 0; n < segSize; n++)
{
int segEnd = segs[n].start + segs[n].len - 1;
if ((cornerPos >= segs[n].start) && (cornerPos <= segEnd))
{
int skip_1 = cornerPos - segs[n].start;
int skip_2 = segEnd - cornerPos;
if((skip_1 >= validVCornerSCale) && (skip_2 >= validVCornerSCale))
valid_cornerFeatures.push_back(line_cornerFeatures[m]);
break;
}
}
}
cornerFeatures.push_back(valid_cornerFeatures);
//提取凸起段
std::vector<SWD_segFeature> line_raisedFeatures;
wd_getLineRaisedFeature(
@ -110,6 +171,7 @@ void wd_bagThreadPositioning(
}
else
{
int validVCornerSCale = (int)(vCornerScale / lineInterval);
//水平扫描检测V型槽和线尾
for (int line = 0; line < lineNum_h; line++)
{
@ -120,14 +182,37 @@ void wd_bagThreadPositioning(
sg_lineDataRemoveOutlier_changeOriginData(&lineData[0], linePtNum_h, filterParam);
//提取V型槽
std::vector<SSG_basicFeature1D> line_cornerFeatures;
std::vector<SSG_RUN_EX> segs;
int dataSize = (int)lineData.size();
wd_getLineCorerFeature(
wd_getLineCorerFeature_accelerate(
lineData,
line,
cornerPara,
lineInterval,
segs,
line_cornerFeatures //拐点
);
cornerFeatures.push_back(line_cornerFeatures);
//检查V型特征两侧不能有跳变
std::vector<SSG_basicFeature1D> valid_cornerFeatures;
int vCornerSize = (int)line_cornerFeatures.size();
int segSize = (int)segs.size();
for (int m = 0; m < vCornerSize; m++)
{
int cornerPos = line_cornerFeatures[m].jumpPos2D.y;
for (int n = 0; n < segSize; n++)
{
int segEnd = segs[n].start + segs[n].len - 1;
if ((cornerPos >= segs[n].start) && (cornerPos <= segEnd))
{
int skip_1 = cornerPos - segs[n].start;
int skip_2 = segEnd - cornerPos;
if ((skip_1 >= validVCornerSCale) && (skip_2 >= validVCornerSCale))
valid_cornerFeatures.push_back(line_cornerFeatures[m]);
break;
}
}
}
cornerFeatures.push_back(valid_cornerFeatures);
//提取凸起段
std::vector<SWD_segFeature> line_raisedFeatures;
wd_getLineRaisedFeature(
@ -158,44 +243,112 @@ void wd_bagThreadPositioning(
*errCode = SG_ERR_ZERO_OBJECTS;
return;
}
int cornerTreeNum = (int)cornerGrowTrees.size();
int raisedTreeNum = (int)raisedFeatureGrowTrees.size();
int threadTailTreeIdx = -1; //线尾所在的tree
if (raisedTreeNum == 1)
threadTailTreeIdx = 0;
else if (raisedTreeNum > 1)
{
//取最长的tree作为线尾所在的tree
int maxLines = 0;
threadTailTreeIdx = 0;
for (int i = 0; i < raisedTreeNum; i++)
{
int treeLines = raisedFeatureGrowTrees[i].eLineIdx - raisedFeatureGrowTrees[i].sLineIdx;
if (maxLines < treeLines)
{
maxLines = treeLines;
threadTailTreeIdx = i;
}
}
}
int cornerTreeNum = (int)cornerGrowTrees.size();
int objTreeIdx = -1;
if (threadTailTreeIdx < 0)
{
int maxLines = 0;
//取最长的tree作为线缝所有的生长树
for (int i = 0; i < cornerTreeNum; i++)
{
int treeLines = cornerGrowTrees[i].eLineIdx - cornerGrowTrees[i].sLineIdx;
if (maxLines < treeLines)
{
maxLines = treeLines;
objTreeIdx = i;
}
}
}
else
{
//取与线尾所在tree最近的tree作为线缝所在的生长树,计算2D距离所以不需要区分水平和垂直扫描方式
SVzNL3DPoint pt_1 = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[0].startPt;
SVzNL3DPoint pt_2 = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[0].endPt;
SVzNL3DPoint tail_end_1 = { (pt_1.x + pt_2.x) / 2, (pt_1.y + pt_2.y) / 2 , (pt_1.z + pt_2.z) / 2 };
pt_1 = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes.back().startPt;
pt_2 = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes.back().endPt;
SVzNL3DPoint tail_end_2 = { (pt_1.x + pt_2.x) / 2, (pt_1.y + pt_2.y) / 2 , (pt_1.z + pt_2.z) / 2 };
double minDist = DBL_MAX;
for (int i = 0; i < cornerTreeNum; i++)
{
//端点最近的距离为两个tree间的距离
SVzNL3DPoint end_1 = cornerGrowTrees[i].treeNodes[0].jumpPos;
SVzNL3DPoint end_2 = cornerGrowTrees[i].treeNodes.back().jumpPos;
int lineIdx_2 = cornerGrowTrees[i].eLineIdx;
double dist_11 = sqrt(pow(tail_end_1.x - end_1.x, 2) + pow(tail_end_1.y - end_1.y, 2));
double dist_12 = sqrt(pow(tail_end_1.x - end_2.x, 2) + pow(tail_end_1.y - end_2.y, 2));
double dist_21 = sqrt(pow(tail_end_2.x - end_1.x, 2) + pow(tail_end_2.y - end_1.y, 2));
double dist_22 = sqrt(pow(tail_end_2.x - end_2.x, 2) + pow(tail_end_2.y - end_2.y, 2));
double dist = dist_11 < dist_12 ? dist_11 : dist_12;
dist = dist < dist_21 ? dist : dist_21;
dist = dist < dist_22 ? dist : dist_22;
if (minDist > dist)
{
minDist = dist;
objTreeIdx = i;
}
}
}
if(objTreeIdx < 0)
{
*errCode = SG_ERR_ZERO_OBJECTS;
return;
}
//显示
//将原始数据的序列清0转义使用
for (int line = 0; line < lineNum; line++)
for (int j = 0; j < linePtNum; j++)
scanLines[line][j].nPointIdx = 0; //将原始数据的序列清0会转义使用
//置标志用于debug
for (int i = 0; i < cornerTreeNum; i++)
{
int nodeNum = (int)cornerGrowTrees[i].treeNodes.size();
int nodeNum = (int)cornerGrowTrees[objTreeIdx].treeNodes.size();
for (int j = 0; j < nodeNum; j++)
{
int lineIdx, ptIdx;
if (false == isHorizonScan)
if (false == scanInfo.isHorizonScan)
{
lineIdx = cornerGrowTrees[i].treeNodes[j].jumpPos2D.x;
ptIdx = cornerGrowTrees[i].treeNodes[j].jumpPos2D.y;
lineIdx = cornerGrowTrees[objTreeIdx].treeNodes[j].jumpPos2D.x;
ptIdx = cornerGrowTrees[objTreeIdx].treeNodes[j].jumpPos2D.y;
}
else
{
lineIdx = cornerGrowTrees[i].treeNodes[j].jumpPos2D.y;
ptIdx = cornerGrowTrees[i].treeNodes[j].jumpPos2D.x;
lineIdx = cornerGrowTrees[objTreeIdx].treeNodes[j].jumpPos2D.y;
ptIdx = cornerGrowTrees[objTreeIdx].treeNodes[j].jumpPos2D.x;
}
scanLines[lineIdx][ptIdx].nPointIdx = 1;
}
}
for (int i = 0; i < raisedTreeNum; i++)
if (threadTailTreeIdx >= 0)
{
int nodeNum = (int)raisedFeatureGrowTrees[i].treeNodes.size();
int nodeNum = (int)raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes.size();
for (int j = 0; j < nodeNum; j++)
{
int lineIdx, ptIdx;
if (false == isHorizonScan)
if (false == scanInfo.isHorizonScan)
{
lineIdx = raisedFeatureGrowTrees[i].treeNodes[j].lineIdx;
for (int m = raisedFeatureGrowTrees[i].treeNodes[j].startPtIdx; m <= raisedFeatureGrowTrees[i].treeNodes[j].endPtIdx; m++)
lineIdx = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[j].lineIdx;
for (int m = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[j].startPtIdx; m <= raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[j].endPtIdx; m++)
{
ptIdx = m;
scanLines[lineIdx][ptIdx].nPointIdx = 2;
@ -203,8 +356,8 @@ void wd_bagThreadPositioning(
}
else
{
ptIdx = raisedFeatureGrowTrees[i].treeNodes[j].lineIdx;
for (int m = raisedFeatureGrowTrees[i].treeNodes[j].startPtIdx; m <= raisedFeatureGrowTrees[i].treeNodes[j].endPtIdx; m++)
ptIdx = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[j].lineIdx;
for (int m = raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[j].startPtIdx; m <= raisedFeatureGrowTrees[threadTailTreeIdx].treeNodes[j].endPtIdx; m++)
{
lineIdx = m;
scanLines[lineIdx][ptIdx].nPointIdx = 2;
@ -212,6 +365,178 @@ void wd_bagThreadPositioning(
}
}
}
//提取针脚(提取4个
std::vector<SVzNLRect> stitchROIs;
int nodeSize = (int)cornerGrowTrees[objTreeIdx].treeNodes.size();
//提取针脚范围
int pre_idx = -1;
for (int i = 0; i < nodeSize; i++)
{
int nodeIdx = (true == scanInfo.scanFromThreadHead) ? i : (nodeSize - 1 - i);
SSG_basicFeature1D& a_node = cornerGrowTrees[objTreeIdx].treeNodes[nodeIdx];
if(pre_idx >= 0)
{
SSG_basicFeature1D& pre_node = cornerGrowTrees[objTreeIdx].treeNodes[pre_idx];
int line_diff = a_node.jumpPos2D.x < pre_node.jumpPos2D.x ? (pre_node.jumpPos2D.x - a_node.jumpPos2D.x) : (a_node.jumpPos2D.x - pre_node.jumpPos2D.x);
if (line_diff > 2)
{
double width = (true == scanInfo.isHorizonScan)? (line_diff * ptInterval) : (line_diff * lineInterval);
if (width > scanInfo.stitchWidth)
{
SVzNLRect a_stitch;
memset(&a_stitch, 0, sizeof(SVzNLRect));
if (a_node.jumpPos2D.x < pre_node.jumpPos2D.x)
{
a_stitch.left = a_node.jumpPos2D.x;
a_stitch.right = pre_node.jumpPos2D.x;
}
else
{
a_stitch.left = pre_node.jumpPos2D.x;
a_stitch.right = a_node.jumpPos2D.x;
}
if (a_node.jumpPos2D.y < pre_node.jumpPos2D.y)
{
a_stitch.top = a_node.jumpPos2D.y;
a_stitch.bottom = pre_node.jumpPos2D.y;
}
else
{
a_stitch.top = pre_node.jumpPos2D.y;
a_stitch.bottom = a_node.jumpPos2D.y;
}
stitchROIs.push_back(a_stitch);
if (stitchROIs.size() >= 4)
break;
}
}
}
pre_idx = nodeIdx;
}
//提取针脚位置
if (stitchROIs.size() == 0)
{
*errCode = SG_ERR_ZERO_OBJECTS;
return;
}
//建立node下标与扫描线序号的索引
std::vector<int> backIndexing;
int indexingSize = cornerGrowTrees[objTreeIdx].eLineIdx - cornerGrowTrees[objTreeIdx].sLineIdx + 1;
backIndexing.resize(indexingSize);
for (int i = 0; i < indexingSize; i++)
backIndexing[i] = -1;
for (int i = 0; i < nodeSize; i++)
{
int indexingIdx = cornerGrowTrees[objTreeIdx].treeNodes[i].jumpPos2D.x - cornerGrowTrees[objTreeIdx].sLineIdx;
backIndexing[indexingIdx] = i;
}
int opDist_lines;
if (false == scanInfo.isHorizonScan) //垂直于线缝扫描
opDist_lines = (int)(scanInfo.operateDist / lineInterval);
else
opDist_lines = (int)(scanInfo.operateDist / ptInterval);
for (int i = 0, i_max = (int)stitchROIs.size(); i < i_max; i++)
{
//搜索Z值最高点
SVzNLRect& a_stitch = stitchROIs[i];
SVzNL3DPoint stitchPos = { 0, 0, -1 };
for (int j = a_stitch.left + 1; j < a_stitch.right; j++)
{
SVzNL3DPoint linePeak = { 0, 0, -1 };
for (int m = a_stitch.top; m <= a_stitch.bottom; m++)
{
SVzNL3DPoint a_pt;
if (false == scanInfo.isHorizonScan) //垂直于线缝扫描
a_pt = scanLines[j][m].pt3D;
else
a_pt = scanLines[m][j].pt3D;
if (a_pt.z > 1e-4)
{
if (linePeak.z < 0)
linePeak = a_pt;
else
{
if (linePeak.z > a_pt.z)
linePeak = a_pt;
}
}
}
if (linePeak.z > 1e-4)
{
if (stitchPos.z < 0)
stitchPos = linePeak;
else
{
if (stitchPos.z > linePeak.z)
stitchPos = linePeak;
}
}
}
//搜索下刀位置
if (stitchPos.z > 1e-4)
{
int op_centerLine;
int searchStart, searchEnd;
if (true == scanInfo.scanFromThreadHead)
{
op_centerLine = a_stitch.right + opDist_lines;
searchStart = a_stitch.right;
searchEnd = a_stitch.right + opDist_lines * 2;
if (searchEnd > cornerGrowTrees[objTreeIdx].eLineIdx)
searchEnd = cornerGrowTrees[objTreeIdx].eLineIdx;
}
else
{
op_centerLine = a_stitch.left - opDist_lines;
searchEnd = a_stitch.left;
searchStart = a_stitch.left - opDist_lines * 2;
if (searchStart < cornerGrowTrees[objTreeIdx].sLineIdx)
searchStart = cornerGrowTrees[objTreeIdx].sLineIdx;
}
//寻找最合适点
int best_idx = -1;
int minLineDist = INT_MAX;
for (int j = searchStart; j <= searchEnd; j++)
{
int indexingIdx = j - cornerGrowTrees[objTreeIdx].sLineIdx;
if (backIndexing[indexingIdx] >= 0)
{
int lineDist = j - op_centerLine;
if (lineDist < 0)
lineDist = -lineDist;
if (minLineDist > lineDist)
{
minLineDist = lineDist;
best_idx = backIndexing[indexingIdx];
}
}
}
if (best_idx >= 0)
{
int op_lineIdx, op_ptIdx;
if (false == scanInfo.isHorizonScan) //垂直于线缝扫描
{
op_lineIdx = cornerGrowTrees[objTreeIdx].treeNodes[best_idx].jumpPos2D.x;
op_ptIdx = cornerGrowTrees[objTreeIdx].treeNodes[best_idx].jumpPos2D.y;
}
else
{
op_ptIdx = cornerGrowTrees[objTreeIdx].treeNodes[best_idx].jumpPos2D.x;
op_lineIdx = cornerGrowTrees[objTreeIdx].treeNodes[best_idx].jumpPos2D.y;
}
SSX_bagThreadInfo a_stitchInfo;
memset(&a_stitchInfo, 0, sizeof(SSX_bagThreadInfo));
a_stitchInfo.threadPos = stitchPos;
a_stitchInfo.operatePos = scanLines[op_lineIdx][op_ptIdx].pt3D;
a_stitchInfo.rotateAngle = 0;
bagThreadInfo.push_back(a_stitchInfo);
}
}
}
return;
}
#endif

View File

@ -12,6 +12,13 @@ typedef struct
double rotateAngle; //水平旋转角
}SSX_bagThreadInfo; //线头信息
typedef struct
{
bool isHorizonScan;
bool scanFromThreadHead;
double stitchWidth; //针脚最小宽度,用于过滤虚假的针脚
double operateDist; //下刀位置距针脚距离
}SSX_ScanInfo;
//读版本号
SG_APISHARED_EXPORT const char* wd_bagThreadPositioningVersion(void);
@ -19,7 +26,7 @@ SG_APISHARED_EXPORT const char* wd_bagThreadPositioningVersion(void);
//线头位置检测定位
SG_APISHARED_EXPORT void wd_bagThreadPositioning(
std::vector< std::vector<SVzNL3DPosition>>& scanLines,
bool isHorizonScan, //true:激光线平行槽道false:激光线垂直槽道
const SSX_ScanInfo scanInfo, //true:激光线平行槽道false:激光线垂直槽道
const SSG_outlierFilterParam filterParam, //噪点过滤参数
const SSG_cornerParam cornerPara, //V型特征参数
const SSG_raisedFeatureParam raisedFeaturePara,//线尾凸起参数