public void CreateTrainingFile(HObject region, HImage img, string Class)
{
//HRegion region, selectedRegion;
string trainfile = directory + trainFile + trainFileExtension;
// region = img.Threshold(100.0, 255).Connection().SortRegion("character", "true", "row");
// for object, the index start from 1.
//selectedRegion = region.SelectObj(1);
HOperatorSet.AppendOcrTrainf(region, img, Class, trainfile);
}
private void btn_TrainOcr_Click(object sender, EventArgs e)
{
if (hDisplay1.GetSearchRegions().Count == 0)
{
MessageBox.Show("请先添加搜索区域");
return;
}
if (string.IsNullOrEmpty(txt_CharacterTrained.Text))
{
MessageBox.Show("请先填写要训练的字符");
return;
}
HTuple hv_Number;
HObject _roi = hDisplay1.GetSearchRegions().ElementAt(0);
HObject _region = new HObject();
HObject _imagereduced = new HObject();
HObject ho_ObjectSelected = new HObject();
HOperatorSet.ReduceDomain(m_image, _roi, out _imagereduced);
HOperatorSet.Threshold(_imagereduced, out _region, m_OcrParam.GrayMin, m_OcrParam.GrayMax);
HOperatorSet.Connection(_region, out _region);
HOperatorSet.SelectShape(_region, out _region, "area", "and", m_OcrParam.AreaMin, m_OcrParam.AreaMax);
if (cklb_SortRegionModle.GetItemChecked(0))
{
HOperatorSet.SortRegion(_region, out _region, "character", "true", "row");
}
else
{
HOperatorSet.SortRegion(_region, out _region, "character", "true", "column");
}
HOperatorSet.CountObj(_region, out hv_Number);
if (hv_Number.I == 0)
{
MessageBox.Show("分割字符为空");
return;
}
string[] _characterTrained = new string[] { };
_characterTrained = txt_CharacterTrained.Text.Split(',');
if (_characterTrained.Length != hv_Number.I)
{
MessageBox.Show("字符区域与字符个数不相等");
return;
}
HTuple hv_Index = new HTuple();
List <RegionX> _listregionx = new List <RegionX>();
for (hv_Index = 1; hv_Index.Continue(hv_Number, 1); hv_Index = hv_Index.TupleAdd(1))
{
ho_ObjectSelected.Dispose();
HOperatorSet.SelectObj(_region, out ho_ObjectSelected, hv_Index);
RegionX _hregion = new RegionX(ho_ObjectSelected.CopyObj(1, -1), "green");
_listregionx.Add(_hregion);
}
string path = string.Empty;
string Foldername = string.Empty;
string trffilepath = string.Empty;
FolderBrowserDialog fbd = new FolderBrowserDialog();
fbd.ShowNewFolderButton = true;
if (fbd.ShowDialog() == DialogResult.OK)
{
path = fbd.SelectedPath;
if (!Directory.Exists(path))
{
MessageBox.Show($"不存在 '{path}' 路径!");
return;
}
string[] _f = path.Split('\\');
Foldername = _f[_f.Length - 1];
trffilepath = path + "\\" + Foldername + ".trf";
}
else
{
return;
}
HObject _characterRegion = new HObject();
HOperatorSet.GenEmptyObj(out _characterRegion);
for (int i = 0; i < hv_Number.I; i++)
{
HOperatorSet.AppendOcrTrainf(_region[i + 1], m_image, _characterTrained[i], trffilepath);
}
HTuple _ocrhandle = new HTuple();
HTuple error = new HTuple();
HTuple errorlog = new HTuple();
HOperatorSet.CreateOcrClassMlp(m_TrainParam.CharacterWidth, m_TrainParam.CharacterHeiht, m_TrainParam.ZoomModle, "default", _characterTrained,
80, "none", 10, 42, out _ocrhandle);
HOperatorSet.TrainfOcrClassMlp(_ocrhandle, trffilepath, 200, 1, 0.01, out error, out errorlog);
HOperatorSet.WriteOcrTrainf(_region, m_image, _characterTrained, trffilepath);
HOperatorSet.WriteOcrClassMlp(_ocrhandle, path + "\\" + Foldername);
DelegateUIControl.GetInstance().UpdateHDisplay("FormSetHDisplay", m_image, _listregionx, null);
}
