public override ActionResult Compare()
{
double k1, k2, alpha, beta, gamma;
using (var bodyStream = new StreamReader(Request.Body))
{
var bodyText = bodyStream.ReadToEndAsync().GetAwaiter().GetResult();
dynamic jsonObj = JsonConvert.DeserializeObject(bodyText);
try
{
k1 = Double.Parse(jsonObj.k1.ToString());
k2 = Double.Parse(jsonObj.k2.ToString());
alpha = Double.Parse(jsonObj.alpha.ToString());
beta = Double.Parse(jsonObj.beta.ToString());
gamma = Double.Parse(jsonObj.gamma.ToString());
}
catch (Exception e)
{
var obj = new { info = "Error", value = e.Message };
return(Json(obj));
}
}
var ssimCalc = new Ssim();
ssimCalc.SetParameters(k1, k2, alpha, beta, gamma);
if (string.IsNullOrEmpty(this.HttpContext.Session.Get <string>(Image1)) || string.IsNullOrEmpty(this.HttpContext.Session.Get <string>(Image2)))
{
var obj = new { info = "Error", value = "Before comparing please input two images." };
return(Json(obj));
}
else
{
var image1 = (Bitmap)Bitmap.FromFile(this.HttpContext.Session.Get <string>(Image1));
var image2 = (Bitmap)Bitmap.FromFile(this.HttpContext.Session.Get <string>(Image2));
AssessResult result;
try
{
result = ssimCalc.Assess(image1, image2, UseComponent.Luma | UseComponent.Cb | UseComponent.Cr);
}
catch (ArgumentException e)
{
var obj = new { info = "Error", value = e.Message };
return(Json(obj));
}
if (result.Luma == 1 && result.Cb == 1 && result.Cr == 1)
{
var obj = new { info = "Same", value = "These two images are exactly the same. SSIM values for Luma, Cb and Cr components are all <Strong>1</Strong>." };
return(Json(obj));
}
else
{
var obj = new
{
info = "Different",
value = "SSIM values for Luma, Cb and Cr component are " +
"<Strong>" + result.Luma.ToString() + "</Strong>, " +
"<Strong>" + result.Cb.ToString() + "</Strong>, " +
"<Strong>" + result.Cr.ToString() + "</Strong> respectively"
};
return(Json(obj));
}
}
}
public override ActionResult Compare()
{
dynamic jsonObj = GetJsonObject(Request.InputStream);
double k1, k2, alpha, beta, gamma;
try
{
k1 = Double.Parse(jsonObj.k1);
k2 = Double.Parse(jsonObj.k2);
alpha = Double.Parse(jsonObj.alpha);
beta = Double.Parse(jsonObj.beta);
gamma = Double.Parse(jsonObj.gamma);
}
catch (Exception e)
{
var obj = new { info = "Error", value = e.Message };
return(Json(obj));
}
var ssimCalc = new Ssim();
ssimCalc.SetParameters(k1, k2, alpha, beta, gamma);
if (Session[Image1] == null || Session[Image2] == null)
{
var obj = new { info = "Error", value = "Before comparing please input two images." };
return(Json(obj));
}
else
{
var image1 = (Bitmap)Bitmap.FromFile((string)Session[Image1]);
var image2 = (Bitmap)Bitmap.FromFile((string)Session[Image2]);
AssessResult result;
try
{
result = ssimCalc.Assess(image1, image2, UseComponent.Luma | UseComponent.Cb | UseComponent.Cr);
}
catch (ArgumentException e)
{
var obj = new { info = "Error", value = e.Message };
return(Json(obj));
}
if (result.Luma == 1 && result.Cb == 1 && result.Cr == 1)
{
var obj = new { info = "Same", value = "These two images are exactly the same. SSIM values for Luma, Cb and Cr components are all <Strong>1</Strong>." };
return(Json(obj));
}
else
{
var obj = new
{
info = "Different",
value = "SSIM values for Luma, Cb and Cr component are " +
"<Strong>" + result.Luma.ToString() + "</Strong>, " +
"<Strong>" + result.Cb.ToString() + "</Strong>, " +
"<Strong>" + result.Cr.ToString() + "</Strong> respectively"
};
return(Json(obj));
}
}
}
