/// <summary>
/// Detects all markers in the buffer.
/// </summary>
/// <param name="buffer">The buffer which should be searched for markers.</param>
/// <returns>The results of the detection.</returns>
protected DetectionResults DetectAllMarkers(INyARRgbRaster buffer)
{
// Filter buffer
if (!isAdaptive)
{
((NyARRasterFilter_ARToolkitThreshold)this.bufferFilter).setThreshold(this.Threshold);
}
this.bufferFilter.doFilter(buffer, this.filteredBuffer);
// Detect and return results
this.squareDetectionListener.Reset();
this.squareDetectionListener.Buffer = buffer;
this.squareDetector.detectMarkerCB(this.filteredBuffer, squareDetectionListener);
var results = this.squareDetectionListener.Results;
// Prevent jittering
if (previousResults != null && JitteringThreshold != 0)
{
var jitThresholdSq = JitteringThreshold * JitteringThreshold;
var newResults = new DetectionResults();
foreach (var result in results)
{
var previousResult = previousResults.FirstOrDefault(r => r.Marker == result.Marker);
if (previousResult == null)
{
newResults.Add(result);
}
else
{
var pcenter = previousResult.Square.Center;
var center = result.Square.Center;
var dx = pcenter.X - center.X;
var dy = pcenter.X - center.X;
var lenSq = dx * dx + dy * dy;
newResults.Add(lenSq > jitThresholdSq ? result : previousResult);
}
}
previousResults = newResults;
return newResults;
}
previousResults = results;
return results;
}
public void OnPost(List <IFormFile> files, string imageUrl)
{
long size = 0;
this.ViewData["error"] = -1;
if (files != null && files.Count > 0)
{
// 上传图片的模式
var file = files[0];
var stream = file.OpenReadStream();
size = stream.Length;
var bytes = new byte[size];
stream.Read(bytes, 0, (int)size);
if (bytes.Length > 0)
{
bytes = ReSizeImageFile(bytes);
var baiduApi = new BaiduAI.ImageAI();
var baiduRet = baiduApi.Detection(bytes);
DetectionResults.Add(baiduRet);
var qcloudRet = QcloudAI.ImageAI.Detection(bytes);
DetectionResults.Add(qcloudRet);
// 阿里云平台，则需要先上传到他们的oss，然后再进行测试
var aliyunApi = new AliyunAI.ImageAI();
var url = aliyunApi.UploadFile(file.FileName.Replace(" ", ""), bytes);
var aliyunRet = aliyunApi.Detection(url);
DetectionResults.Add(aliyunRet);
aliyunApi.DeleteFile(file.FileName);
ImageBase64 = Convert.ToBase64String(bytes);
}
}
else if (!string.IsNullOrEmpty(imageUrl))
{
var webclient = new WebClient();
var bytes = webclient.DownloadData(imageUrl);
if (bytes.Length > 0)
{
bytes = ReSizeImageFile(bytes);
var baiduApi = new BaiduAI.ImageAI();
var baiduRet = baiduApi.Detection(bytes);
DetectionResults.Add(baiduRet);
var qcloudRet = QcloudAI.ImageAI.Detection(bytes);
DetectionResults.Add(qcloudRet);
var aliyunApi = new AliyunAI.ImageAI();
var aliyunRet = aliyunApi.Detection(imageUrl);
DetectionResults.Add(aliyunRet);
ImageBase64 = Convert.ToBase64String(bytes);
}
}
else
{
ErrorMessage = "上传图片或者url，你总得设置一个吧";
}
}
