[[searchwing-bilderkennung]]

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searchwing-bilderkennung [2019/05/31 00:12]
wf68spef
searchwing-bilderkennung [2020/05/18 09:09] (current)
wf68spef
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 By analysing the image with we receive from the camera, we can detect boats on the sea. To achieve this, different algorithms and approaches from the image processing and deep learning domain can be used. By analysing the image with we receive from the camera, we can detect boats on the sea. To achieve this, different algorithms and approaches from the image processing and deep learning domain can be used.
 +
 +===== Compression effects on detection =====
 +
 +Does JPEG image compression affect detection? See
 +
 +[[https://​doi.org/​10.1117/​1.JMI.6.2.027501|Farhad Ghazvinian Zanjani, Svitlana Zinger, Bastian Piepers, Saeed Mahmoudpour,​ Peter Schelkens, and Peter H. N. de With "​Impact of JPEG 2000 compression on deep convolutional neural networks for metastatic cancer detection in histopathological images,"​ Journal of Medical Imaging 6(2), 027501 (24 April 2019). https://​doi.org/​10.1117/​1.JMI.6.2.027501]]
  
 ===== Detection by using edgedetector and a 2d tracker in world coordinates ===== ===== Detection by using edgedetector and a 2d tracker in world coordinates =====
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 [[https://​media.freifunk.net/​v/​35c3oio-77-detection-of-refugee-boats-on-the-mediterranean-with-a-drone-by-using-foss|Click to go to the video]] [[https://​media.freifunk.net/​v/​35c3oio-77-detection-of-refugee-boats-on-the-mediterranean-with-a-drone-by-using-foss|Click to go to the video]]
 +
 +===== Anomaly detection using FFT =====
 +
 +{{:​screenshot_from_2020-05-18_09-05-03.png?​600|}}
 +
 +
 +Paper: https://​cloud.hs-augsburg.de/​s/​KNiMLrY5P6H4JXJ
  
 ===== Imagerecognition by using a OpenCV Haar Cascade Classifier ===== ===== Imagerecognition by using a OpenCV Haar Cascade Classifier =====
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 The detected boats can be seen in the following image. They are marked by a blue rectangle. The detected boats can be seen in the following image. They are marked by a blue rectangle.
  
-{{:​bilderkennung-beispiel.jpg|Bilderkennung Beispiel}}+{{:​bilderkennung-beispiel.jpg?1101x1044|Bilderkennung Beispiel}}
  
 Recified: Recified:
  
-{{:​bilderkennung-beispiel-detail.jpg|Bilderkennung Beispiel Detail}}+{{:​bilderkennung-beispiel-detail.jpg?1082x1027|Bilderkennung Beispiel Detail}}
  
 In this example the second boat with Persenning does not get detect. The boat above get detected. In this example the second boat with Persenning does not get detect. The boat above get detected.
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   * [[:​searchwing-flug-virus-20181007|Flug am 7.10.2018 mit der Pipistrel Virus zum Bodensee]]   * [[:​searchwing-flug-virus-20181007|Flug am 7.10.2018 mit der Pipistrel Virus zum Bodensee]]
   * [[https://​captain-whu.github.io/​DOTA/​|DOTA Airial Image Dataset (Wuhan Univ./​Cornell/​DLR)]]   * [[https://​captain-whu.github.io/​DOTA/​|DOTA Airial Image Dataset (Wuhan Univ./​Cornell/​DLR)]]
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-===   === 
  
  
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