/// <summary>
/// Index image folder and search for similar images
/// </summary>
/// <param name="task_parameters"></param>
/// <returns>Similar images : image -> similarity % </returns>
private Dictionary<string, int> SearchSimilarTask(object task_parameters)
{
object[] parameters = (object[])task_parameters;
var folder = (string)parameters[0];
var similar_images = new Dictionary<string, int>();
if (!cancellationToken.IsCancellationRequested)
{
Thread.Sleep(20);
((IProgress<string>)progressManager).Report("Indexing");
images_index.IndexImageDirectory(folder);
Thread.Sleep(20);
((IProgress<string>)progressManager).Report("Searching");
similar_images = images_index.SearchSimilarImages(image_of_interest, option_image_hash, option_filter_colors, option_similarity_cutoff);
((IProgress<string>)progressManager).Report("Processing matches");
Thread.Sleep(20);
}
return similar_images;
}
public static void Main(string[] args)
{
var parameters = ReadCommandLineParameters(args);
Stopwatch stopWatch = new Stopwatch();
Console.WriteLine("Find Similar Images");
Console.WriteLine("-------------------");
Console.WriteLine(" image directory : {0}", parameters.image_directory);
Console.WriteLine("image of interest : {0}", parameters.image_of_interest);
Console.WriteLine(" search mode : {0}", parameters.search_mode);
if (!parameters.search_mode.Equals("index"))
{
Console.WriteLine(" image hash : {0}", parameters.image_hash_algorithm.ToString());
Console.WriteLine(" pixel comparison : {0}", parameters.color_filter.ToString());
Console.WriteLine(" similarity : {0}%", parameters.min_similarity);
}
Console.WriteLine("-------------------");
// Index images files in directory
////////////////////////////////////////////////
stopWatch.Reset();
stopWatch.Start();
//var images_index = new Images.ImageIndex(parameters.image_directory);
var images_index = new Images.ImageIndexMulti();
images_index.IndexImageDirectory(parameters.image_directory);
Console.WriteLine("");
stopWatch.Stop();
TimeSpan ts_index = stopWatch.Elapsed;
PrintElapsedTime(ts_index);
var image_files = images_index.ImageFilesIndexed();
Console.WriteLine("* {1} images in directory \"{0}\"", parameters.image_directory, image_files.Count().ToString());
if (parameters.search_mode.Equals("index"))
{
System.Environment.Exit(0);
}
// find similar images and export as html page
////////////////////////////////////////////////
Console.WriteLine("* Search for similar images");
stopWatch.Reset();
stopWatch.Start();
if (File.Exists(parameters.image_of_interest))
{
// Case :find images similar to an image of interest in a directory
try
{
if (!Path.IsPathRooted(parameters.image_of_interest))
{
parameters.image_of_interest = Path.Combine(Directory.GetCurrentDirectory(), parameters.image_of_interest);
}
var similar_images = images_index.SearchSimilarImages(parameters.image_of_interest, parameters.image_hash_algorithm, parameters.color_filter, parameters.min_similarity);
SaveSimilarHtml(parameters.image_of_interest, parameters.image_of_interest, parameters.min_similarity, similar_images, images_index);
}
catch (Exception e)
{
Console.Error.WriteLine("Error => Search similar images {0}: \n{1}", parameters.image_of_interest, e.Message);
}
}
else
{
// Case :find groups of similar images in a directory
var seen = new Dictionary <string, byte>();
foreach (var image in image_files)
{
if (!seen.ContainsKey(image))
{
try
{
seen.Add(image, 1);
var similar_images = images_index.SearchSimilarImages(image, parameters.image_hash_algorithm, parameters.color_filter, parameters.min_similarity);
SaveSimilarHtml(parameters.image_of_interest, image, parameters.min_similarity, similar_images, images_index);
foreach (var simage in similar_images.Keys)
{
if (!seen.ContainsKey(simage))
{
seen.Add(simage, 1);
}
}
}
catch (Exception e)
{
Console.Error.WriteLine("Error => Search similar images {0}: \n{1}", image, e);
}
}
}
}
stopWatch.Stop();
TimeSpan ts_search = stopWatch.Elapsed;
PrintElapsedTime(ts_search);
}
