Impala Documentation

void Impala::Sandbox::Koen::ReadRegionsFromStreamFormatKoen	(	CString	content,
		InterestPointList &	outputPointList,
		bool	readDescriptors,
		int	borderOffset
	)

Definition at line 182 of file InterestPointListIO.h.

References Impala::Util::StringParser::GetDouble(), Impala::Util::StringParser::GetInt(), Impala::Util::StringParser::GetString(), ILOG_DEBUG, ILOG_ERROR, and ILOG_VAR.

Referenced by ReadPointListFromFile(), and ReadRegionsFromStreamFormatKoen().

00183 {
00184     ILOG_VAR(Sandbox.koen.ReadRegionsFromStreamFormatKoen);
00185     //note: this function will probably not work on Windows due to line ending problems
00186 
00187     /* Format KOEN version 1.0
00188        -----------------------
00189        First line:  KOEN1 (format version)
00190        Second line: Descriptor dimensionality count (0 if only interest items)
00191        Third line:  Number of interest items
00192     */
00193 
00194     Util::StringParser sp(content);
00195     //std::cout << content << "x" << fileSize << std::endl;
00196 
00197     // first line: KOEN1
00198     String header = sp.GetString('\n');
00199     if(header != String("KOEN1"))
00200     {
00201         ILOG_ERROR("Unsupported region format: " << header);
00202         return;
00203     }
00204 
00205     // second line: dimensionality
00206     int dimensionCount = sp.GetInt('\n');
00207     int regionCount = sp.GetInt('\n');
00208     ILOG_DEBUG("Reading file; dimensionCount = " << dimensionCount << "; regionCount = " << regionCount);
00209     for(int i = 0; i < regionCount; i++)
00210     {
00211         InterestPoint* point = 0;
00212 
00213         String line = sp.GetString('\n');
00214         Util::StringParser sp2(line);
00215         String region = sp2.GetString(';');
00216         if(region.substr(0, 8) == "<CIRCLE ")
00217         {
00218             // shift by 1 for consistency with the public file format (which uses 1..n instead of 0..n-1)
00219             // make coordinates equal to the original image, without the borders removed
00220             point = new InterestCircle(region, borderOffset+1, borderOffset+1);
00221         }
00222         else
00223         {
00224             ILOG_ERROR("Unsupported region: " << region);
00225             throw "Unsupported serialization type!";
00226         }
00227 
00228         if(readDescriptors)
00229         {
00230             String descriptor = sp2.GetString(';');
00231             Util::StringParser sp3(descriptor);
00232             if(dimensionCount > 0)
00233             {
00234                 point->mDescriptor.reserve(dimensionCount);
00235                 for(int j = 0; j < dimensionCount; j++)
00236                 {
00237                     point->mDescriptor.push_back(sp3.GetDouble());
00238                 }
00239             }
00240         }
00241         if(point)
00242         {
00243             outputPointList.push_back(point);
00244         }
00245     }
00246 }

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