//This method encodes bmp files in \bin\x64\Debug\dataset to jpeg and puts them in \bin\x64\Debug\output.
static private void Encode()
{
cOpenCV OpenCVcodec = new cOpenCV();
cDotNet DotNetcodec = new cDotNet();
Libjpegturbo libJPEGTurbocodec = new Libjpegturbo();
//Path to bmp dataset (in folder).
//Put any .bmp files to this folder for testing (the more - the better).
string bmpDataset = "dataset\\bmp";
//array for raw datasets converted to bytes
List <byte[]> JList = new List <byte[]>();
GetBytesFromFiles(JList, new DirectoryInfo(bmpDataset), "*");
//count time for different codecs
var allTimeOpenCV = 0D;
var allTimeDotNet = 0D;
var allTimelibJPEGTurbo = 0D;
//Quality for output JPEG file (from 10 to 100%). By default 95.
var compressionQuality = 95;
Console.WriteLine("BMP to JPEG converting. {0}% quality.", compressionQuality);
//i - number of test runs. By default - 10: i(1) * j(10).
//Recommended is 100.
for (int i = 0; i < 1; i++)
{
var circleTimeOpenCV = 0D;
for (int j = 0; j < 10; j++)
{
var time = OpenCVcodec.Encode(JList, compressionQuality);
//uncomment next line for additional debug info (unnecessary)
//Console.WriteLine("Total time of converting {0} images: {1}", JList.Count, time);
circleTimeOpenCV += time;
}
Console.WriteLine("Total time of 10 tries for OpenCV: {0}", circleTimeOpenCV);
allTimeOpenCV += circleTimeOpenCV / 10;
Console.WriteLine("Average time of 1 try for OpenCV: {0}", circleTimeOpenCV / 10);
var circleTimeDotNet = 0D;
for (int j = 0; j < 10; j++)
{
var time = DotNetcodec.Encode(JList, compressionQuality);
//Console.WriteLine("Total time of converting {0} images: {1}", JList.Count, time);
circleTimeDotNet += time;
}
Console.WriteLine("Total time of 10 tries for DotNET: {0}", circleTimeDotNet);
allTimeDotNet += circleTimeDotNet / 10;
Console.WriteLine("Average time of 1 try for DotNET: {0}", circleTimeDotNet / 10);
var circleTimeLibJPEGTurbo = 0D;
for (int j = 0; j < 10; j++)
{
var time = libJPEGTurbocodec.Encode(JList, compressionQuality);
//Console.WriteLine("Total time of converting {0} images: {1}", JList.Count, time);
circleTimeLibJPEGTurbo += time;
}
Console.WriteLine("Total time of 10 tries for DotNET: {0}", circleTimeLibJPEGTurbo);
allTimelibJPEGTurbo += circleTimeLibJPEGTurbo / 10;
Console.WriteLine("Average time of 1 try for DotNET: {0}", circleTimeLibJPEGTurbo / 10);
}
Console.WriteLine();
Console.WriteLine("Average time of 10 tries for OpenCV: {0}", allTimeOpenCV / 10);
Console.WriteLine("Average time of 10 tries for .NET: {0}", allTimeDotNet / 10);
Console.WriteLine("Average time of 10 tries for libJPEGTurbo: {0}", allTimelibJPEGTurbo / 10);
Console.WriteLine("\nEncoding is done. Press any button to continue..");
Console.Read();
}
//This method decodes jpeg files in \bin\x64\Debug\dataset to bmp and puts them in \bin\x64\Debug\output.
//to-do:
//Add support for Bgr and Rgb file formats.
//Right now only Bgr is supported.
static private void Decode(string format)
{
//Path to jpg dataset (in folder).
//Put any .jpg files to this folder for testing (the more - the better).
string jpegDataset = "dataset\\jpeg";
cOpenCV OpenCVcodec = new cOpenCV();
cDotNet DotNetcodec = new cDotNet();
Libjpegturbo libjpegurbocodec = new Libjpegturbo();
//array for raw datasets converted to bytes
List <byte[]> BList = new List <byte[]>();
GetBytesFromFiles(BList, new DirectoryInfo(jpegDataset), "*");
Console.WriteLine("BMP to JPEG converting.");
//count time for different codecs
var allTimeOpenCV = 0D;
var allTimeDotNet = 0D;
var allTimelibJPEGTurbo = 0D;
//i - number of test runs. By default - 10: i(1) * j(10).
//Recommended is 100.
var counter = 0;
for (int i = 0; i < 1; i++)
{
var circleTimeOpenCV = 0D;
for (int j = 0; j < 10; j++)
{
var time = OpenCVcodec.DecodeInBgr(BList, false);
if (time != 0)
{
//Console.WriteLine("Total time of converting {0} images: {1}", JList.Count, time);
circleTimeOpenCV += time;
counter++;
}
}
Console.WriteLine("Total time of {0} tries for OpenCV: {1}", counter, circleTimeOpenCV);
allTimeOpenCV += circleTimeOpenCV / counter;
Console.WriteLine("Average time of 1 try for OpenCV: {0}", circleTimeOpenCV / 10);
}
counter = 0;
for (int i = 0; i < 1; i++)
{
var circleTimeDotNet = 0D;
for (int j = 0; j < 10; j++)
{
var time = DotNetcodec.DecodeInBgr(BList, false);
if (time != 0)
{
//Console.WriteLine("Total time of converting {0} images: {1}", JList.Count, time);
circleTimeDotNet += time;
counter++;
}
}
Console.WriteLine("Total time of {0} tries for OpenCV: {1}", counter, circleTimeDotNet);
allTimeDotNet += circleTimeDotNet / counter;
Console.WriteLine("Average time of 1 try for OpenCV: {0}", circleTimeDotNet / 10);
}
counter = 0;
for (int i = 0; i < 1; i++)
{
var circleTimeLibJPEGTurbo = 0D;
for (int j = 0; j < 10; j++)
{
var time = libjpegurbocodec.DecodeInBgr(BList, false);
if (time != 0)
{
//Console.WriteLine("Total time of converting {0} images: {1}", JList.Count, time);
circleTimeLibJPEGTurbo += time;
counter++;
}
}
Console.WriteLine("Total time of {0} tries for OpenCV: {1}", counter, circleTimeLibJPEGTurbo);
allTimelibJPEGTurbo += circleTimeLibJPEGTurbo / counter;
Console.WriteLine("Average time of 1 try for OpenCV: {0}", circleTimeLibJPEGTurbo / 10);
}
Console.WriteLine();
Console.WriteLine("Average time of 10 tries for OpenCV: {0}", allTimeOpenCV / 10);
Console.WriteLine("Average time of 10 tries for .NET: {0}", allTimeDotNet / 10);
Console.WriteLine("Average time of 10 tries for libJPEGTurbo: {0}", allTimelibJPEGTurbo / 10);
Console.WriteLine("\nDecoding is done. Press any button to continue..");
Console.Read();
}
