/// <summary>
/// Deletes the categories of the series
/// </summary>
/// <param name="DBC">The controller through which categories deletion will be done</param>
private bool DeleteCats(databaseController DBC)
{
string sqlstr;
if (catList.Count < 1)
{
return(true);
}
try
{
sqlstr = "DELETE FROM Series_Cats WHERE (SID = " + this.id + " ) ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Updates an existing patiant
/// </summary>
/// <param name="DBC">The controller through which patiant update will be done</param>
public bool UpdatePatiant(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
sqlstr = "UPDATE Patiant SET ";
sqlstr = sqlstr + "Name ='" + this.name + "',";
sqlstr = sqlstr + "Age = " + this.age + " ,";
sqlstr = sqlstr + "Info = '" + this.info + "' ";
sqlstr = sqlstr + "WHERE PID =" + this.id + " ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Inserts image's features into the database
/// </summary>
/// <param name="DBC">The controller through which features insertion will be done</param>
private bool InsertImageFeatures(databaseController DBC)
{
try
{
string f_insert = "INSERT INTO FeaturesVector VALUES ( " + this.id;
foreach (Feature f in featureVector)
{
f_insert += "," + f.FeatureValue;
}
f_insert += " );";
f_insert = f_insert.ToLower().Replace("nan", "0");
if (DBC.IsConnected)
{
DBC.CommandText = f_insert;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception ex)
{
return(false);
}
}
/// <summary>
/// Updates image's features in the database
/// </summary>
/// <param name="DBC">The controller through which features update will be done</param>
private bool UpdateImageFeatures(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
sqlstr = "UPDATE FeaturesVector SET ";
foreach (Feature f in featureVector)
{
sqlstr = sqlstr + f.FeatureName + " = " + f.FeatureValue.ToString() + " ,";
}
//sqlstr = sqlstr + "Tags ='" + this.tags + "' ,";
//sqlstr = sqlstr + "ImagePath ='" + this.url + "',";
//sqlstr = sqlstr + "Category = " + this.cat.ID + " ,";
//sqlstr = sqlstr + "Size = " + this.imageInfo[0] + " ,";
//sqlstr = sqlstr + "Dimensions = '" + this.imageInfo[1] + "' ,";
sqlstr = sqlstr.Trim(',');
sqlstr = sqlstr + " WHERE ImageID =" + this.id + " ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Inserts the notes of this series
/// </summary>
/// <param name="DBC">The controller through which notes insertion will be done</param>
private bool InsertNotes(databaseController DBC)
{
string sqlstr = "";
if (this.notes == "")
{
return(true);
}
try
{
sqlstr = "INSERT INTO Series_Notes VALUES ( " + this.id;
sqlstr += " , '" + this.notes;
sqlstr += "' );";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception ex)
{
return(false);
}
}
/// <summary>
/// Updates an existing series
/// </summary>
/// <param name="DBC">The controller through which series update will be done</param>
public bool UpdateSeries(databaseController DBC)
{
string sqlstr;
try
{
sqlstr = "UPDATE Series SET ";
sqlstr = sqlstr + "PID = " + this.pid + " ,";
sqlstr = sqlstr + "FolderPath = '" + this.path + "' ";
sqlstr = sqlstr + "WHERE SID =" + this.id + " ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
DBC.CommandText = "DELETE FROM Series_Notes WHERE SID = " + this.id + " ;";
DBC.ExecuteNonQuery();
if (InsertNotes(DBC))
{
DBC.CommandText = "DELETE FROM Series_Cats WHERE SID = " + this.id + " ;";
DBC.ExecuteNonQuery();
if (InsertCats(DBC))
{
return(true);
}
else
{
throw new Exception("Failed to modify categories of series !");
}
}
else
{
throw new Exception("Failed to modify notes of series !");
}
}
else
{
throw new Exception("Failed to modify series !");
}
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Inserts new series to the system
/// </summary>
/// <param name="DBC">The controller through which series insertion will be done</param>
public bool InsertSeries(databaseController DBC)
{
string sqlstr;
try
{
sqlstr = "INSERT INTO Series VALUES ( " +
this.id + " , " + this.pid + " , '" + this.Path + "' );";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
if (InsertCats(DBC))
{
if (InsertNotes(DBC))
{
return(true);
}
else
{
throw new Exception("Failed to insert the note of series !");
}
}
else
{
throw new Exception("Failed to insert the categories of series !");
}
}
else
{
throw new Exception("Failed to insert the series !");
}
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Deletes an existing series
/// </summary>
/// <param name="DBC">The controller through which series deletion will be done</param>
public bool DeleteSeries(databaseController DBC)
{
string sqlstr;
try
{
if (DeleteCats(DBC))
{
if (DeleteNotes(DBC))
{
if (DBC.IsConnected)
{
sqlstr = "DELETE FROM Series WHERE SID = " + this.id + " ;";
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
return(true);
}
else
{
throw new Exception("Failed to delete the series !");
}
}
else
{
throw new Exception("The database is not connected!");
}
}
else
{
throw new Exception("Failed to delete the notes of series !");
}
}
else
{
throw new Exception("Failed to delete the categories of series !");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Modifies an image in the database
/// </summary>
/// <param name="DBC">The controller through which the modification will be done</param>
public bool ModifyImage(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
sqlstr = "UPDATE Image SET ";
sqlstr = sqlstr + "FileName ='" + this.fileName + "',";
sqlstr = sqlstr + "Size = " + this.imageInfo[0] + " ,";
sqlstr = sqlstr + "Dimensions = '" + this.imageInfo[1] + "' ";
sqlstr = sqlstr + "WHERE ImageID =" + this.id + " ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
if (UpdateImageFeatures(DBC))
{
return(true);
}
else
{
throw new Exception("Failed to modify the image !");
}
}
else
{
throw new Exception("Failed to modify the image !");
}
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Deletes an existing patiant from the database
/// </summary>
/// <param name="DBC">The controller through which patiant deletion will be done</param>
public bool DeletePatiant(databaseController DBC)
{
string sqlstr;
try
{
if (DBC.IsConnected)
{
sqlstr = "DELETE FROM Patiant WHERE PID= " + this.id + " ;";
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Inserts an image into the database
/// </summary>
/// <param name="DBC">The controller through which the insertion will be done</param>
public bool InsertImage(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
sqlstr = "INSERT INTO Image VALUES ( " +
this.id + " , '" + this.fileName + "' , " + this.imageInfo[0]
+ " , '" + this.imageInfo[1] + "' );";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
if (InsertImageFeatures(DBC))
{
return(true);
}
else
{
throw new Exception("Failed to insert the features of image !");
}
}
else
{
throw new Exception("Failed to insert the image !");
}
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Deletes an image category from the database
/// </summary>
/// <param name="dbc">The controller through which the insertion will be done</param>
/// <param name="DBC">The controller through which the deletion will be done</param>
public bool DeleteCategory(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
sqlstr = "DELETE FROM Category WHERE CatID= " + this.id + " ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Deletes image's features from the database
/// </summary>
/// <param name="DBC">The controller through which features deletion will be done</param>
private bool DeleteImageFeatures(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
sqlstr = "DELETE FROM FeaturesVector WHERE ImageID= " + this.id + " ;";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Deletes an image from the database.
/// </summary>
/// <param name="DBC">The controller through which the deletion will be done</param>
public bool DeleteImage(databaseController DBC)
{
//Declarations
string sqlstr;
try
{
if (DeleteImageFeatures(DBC))
{
if (DBC.IsConnected)
{
sqlstr = "DELETE FROM Image WHERE ImageID= " + this.id + " ;";
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
return(true);
}
else
{
throw new Exception("Failed to delete the image !");
}
}
else
{
throw new Exception("The database is not connected!");
}
}
else
{
throw new Exception("Failed to delete the image !");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Inserts the categories of this series
/// </summary>
/// <param name="DBC">The controller through which categories insertion will be done</param>
private bool InsertCats(databaseController DBC)
{
string sqlstr = "";
if (catList.Count < 1)
{
return(true);
}
int inserted_cats = 0;
try
{
if (DBC.IsConnected)
{
foreach (category c in catList)
{
sqlstr = "INSERT INTO Series_Cats VALUES ( " + this.id;
sqlstr += " , " + c.ID;
sqlstr += " );";
DBC.CommandText = sqlstr;
if (DBC.ExecuteNonQuery() > 0)
{
inserted_cats++;
}
}
return(inserted_cats == catList.Count);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception ex)
{
return(false);
}
}
/// <summary>
/// Inserts new patiant into the database
/// </summary>
/// <param name="DBC">The controller through which patiant insertion will be done</param>
public bool InsertPatiant(databaseController DBC)
{
string sqlstr;
try
{
sqlstr = "INSERT INTO Patiant VALUES ( " +
this.id + " , '" + this.name + "' , " + this.age + " , '" + this.info + "' );";
if (DBC.IsConnected)
{
DBC.CommandText = sqlstr;
return(DBC.ExecuteNonQuery() > 0);
}
else
{
throw new Exception("The database is not connected!");
}
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Finds an image that matches a semantic query
/// </summary>
/// <param name="query">The semantic query</param>
/// <param name="DBC">The controller through which the search will be done</param>
public List <string[]> SearchBySemantic(string Query, databaseController DBC)
{
List <string[]> res = new List <string[]>();
return(res);
}
/// <summary>
/// Finds an image that matches the example image
/// </summary>
/// <param name="ExampleImagePath">The path of the example image</param>
/// <param name="DBC">The controller through which the search will be done</param>
public List <string[]> SearchByExample(string ExampleImagePath, databaseController DBC, double Max, double Min)
{
try
{
List <string[]> res = new List <string[]>();
//Get the features of the example image
featureExtractor fe = new featureExtractor(ExampleImagePath);
List <Feature> fv = fe.AllFeatures();
double area = fv[fv.Count - 1].FeatureValue * fv[fv.Count - 2].FeatureValue;
double MaxArea = area * Max;
double MinArea = area * Min;
fv.RemoveAt(fv.Count - 1);
fv.RemoveAt(fv.Count - 1);
fv.RemoveAt(fv.Count - 1);
fv.RemoveAt(fv.Count - 1);
//Example color features
double[] exCF = new double[4];
for (int i = 0; i < 4; i++)
{
exCF[i] = fv[i].FeatureValue;
}
//Example shape features
double[] exSF = new double[7];
for (int i = 4; i < 11; i++)
{
exSF[i - 4] = fv[i].FeatureValue;
}
//Example texture features
double[] exTF = new double[24];
for (int i = 11; i < 35; i++)
{
exTF[i - 11] = fv[i].FeatureValue;
}
//Example edge features
double[] exEF = new double[37];
for (int i = 35; i < 72; i++)
{
exEF[i - 35] = fv[i].FeatureValue;
}
//Calculate similarities between example image and images in the database
FeatureExtractorclass fec = new FeatureExtractorclass();
MWArray mwXCF = new MWNumericArray(exCF.Length, 1, exCF);
MWArray mwXSF = new MWNumericArray(exSF.Length, 1, exSF);
MWArray mwXTF = new MWNumericArray(exTF.Length, 1, exTF);
MWArray mwXEF = new MWNumericArray(exEF.Length, 1, exEF);
DBC.CommandText = "SELECT * FROM FeaturesVector where (CropH*CropW >=" + MinArea.ToString() + ") AND (CropH*CropW <=" + MaxArea.ToString() + ");";
DataSet ds = DBC.ExecuteQuery();
if (ds.Tables[0].Rows.Count < 1)
{
throw new Exception("The database is empty or there are no matches!");
}
//Calculate similiraties for each group of feature . . .
List <Result> ColorSimilarties = new List <Result>();
List <Result> ShapeSimilarties = new List <Result>();
List <Result> TextureSimilarties = new List <Result>();
List <Result> EdgeSimilarties = new List <Result>();
double[] Cfrow;
double[] Sfrow;
double[] Tfrow;
double[] Efrow;
MWArray mwRes = new MWNumericArray(1);
MWArray mwCC; //Color features for current image
MWArray mwCS; //Shape features for current image
MWArray mwCT; //Texture features for current image
MWArray mwCE; //Edge features for current image
for (int j = 0; j < ds.Tables[0].Rows.Count; j++)
{
int ID = int.Parse(ds.Tables[0].Rows[j].ItemArray[0].ToString());
//Current image color features
Cfrow = new double[4];
for (int i = 1; i < 5; i++)
{
Cfrow[i - 1] = double.Parse(ds.Tables[0].Rows[j].ItemArray[i].ToString());
}
mwCC = new MWNumericArray(Cfrow.Length, 1, Cfrow);
mwRes = fec.minkowski(mwXCF, mwCC, 4);
double Distance = double.Parse(mwRes.ToString());
Result sim = new Result(ID, Distance);
ColorSimilarties.Add(sim);
//Current image shape features
Sfrow = new double[7];
for (int i = 5; i < 12; i++)
{
Sfrow[i - 5] = double.Parse(ds.Tables[0].Rows[j].ItemArray[i].ToString());
}
mwCS = new MWNumericArray(Sfrow.Length, 1, Sfrow);
mwRes = fec.minkowski(mwXSF, mwCS, 4);
Distance = double.Parse(mwRes.ToString());
sim = new Result(ID, Distance);
ShapeSimilarties.Add(sim);
//Current image texture features
Tfrow = new double[24];
for (int i = 12; i < 36; i++)
{
Tfrow[i - 12] = double.Parse(ds.Tables[0].Rows[j].ItemArray[i].ToString());
}
mwCT = new MWNumericArray(Tfrow.Length, 1, Tfrow);
mwRes = fec.minkowski(mwXTF, mwCT, 4);
Distance = double.Parse(mwRes.ToString());
sim = new Result(ID, Distance);
TextureSimilarties.Add(sim);
//Current image edge features
Efrow = new double[37];
for (int i = 36; i < 73; i++)
{
Efrow[i - 36] = double.Parse(ds.Tables[0].Rows[j].ItemArray[i].ToString());
}
mwCE = new MWNumericArray(Efrow.Length, 1, Efrow);
mwRes = fec.minkowski(mwXEF, mwCE, 4);
Distance = double.Parse(mwRes.ToString());
sim = new Result(ID, Distance);
EdgeSimilarties.Add(sim);
}
ShapeSimilarties = sortList(ShapeSimilarties);
double resAvg = ListAverag(ShapeSimilarties);
while (ShapeSimilarties[ShapeSimilarties.Count - 1].Distance > resAvg)
{
Result R = ShapeSimilarties[ShapeSimilarties.Count - 1];
ShapeSimilarties.RemoveAt(ShapeSimilarties.Count - 1);
for (int r = 0; r < EdgeSimilarties.Count; r++)
{
if (EdgeSimilarties[r].ID == R.ID)
{
EdgeSimilarties.RemoveAt(r);
TextureSimilarties.RemoveAt(r);
ColorSimilarties.RemoveAt(r);
break;
}
}
}
EdgeSimilarties = sortList(EdgeSimilarties);
resAvg = ListAverag(EdgeSimilarties);
while (EdgeSimilarties[EdgeSimilarties.Count - 1].Distance > resAvg)
{
Result R = EdgeSimilarties[EdgeSimilarties.Count - 1];
EdgeSimilarties.RemoveAt(EdgeSimilarties.Count - 1);
for (int r = 0; r < TextureSimilarties.Count; r++)
{
if (TextureSimilarties[r].ID == R.ID)
{
TextureSimilarties.RemoveAt(r);
ColorSimilarties.RemoveAt(r);
break;
}
}
}
TextureSimilarties = sortList(TextureSimilarties);
resAvg = ListAverag(TextureSimilarties);
while (TextureSimilarties[TextureSimilarties.Count - 1].Distance > resAvg)
{
Result R = TextureSimilarties[TextureSimilarties.Count - 1];
TextureSimilarties.RemoveAt(TextureSimilarties.Count - 1);
for (int r = 0; r < ColorSimilarties.Count; r++)
{
if (ColorSimilarties[r].ID == R.ID)
{
ColorSimilarties.RemoveAt(r);
break;
}
}
}
ColorSimilarties = sortList(ColorSimilarties);
resAvg = ListAverag(ColorSimilarties);
while (ColorSimilarties[ColorSimilarties.Count - 1].Distance > resAvg)
{
ColorSimilarties.RemoveAt(ColorSimilarties.Count - 1);
}
List <Result> similarties = ColorSimilarties;
//Ranking :
double farestImg = (double)similarties[similarties.Count - 1].Distance; //The worst match.
double rank = 0;
string[] resStr;
for (int i = 0; i < similarties.Count; i++)
{
resStr = new string[4];
int x = similarties[i].ID;
DBC.CommandText = "SELECT I.FileName, S.FolderPath ";
DBC.CommandText += "FROM Image AS I INNER JOIN Series AS S ON FLOOR(I.ImageID / 100) = S.SID ";
DBC.CommandText += "WHERE (I.ImageID = " + x + ")";
ds = DBC.ExecuteQuery();
rank = (1 - ((double)similarties[i].Distance / farestImg)) * 100;
rank = Math.Round(rank, 5);
resStr[0] = ds.Tables[0].Rows[0].ItemArray[0].ToString();
resStr[1] = ds.Tables[0].Rows[0].ItemArray[1].ToString();
resStr[2] = " - " + rank.ToString() + "%";
resStr[3] = x.ToString();
res.Add(resStr);
resStr = null;
}
return(res);
}
catch (Exception ex)
{
return(null);
}
}