Tony

Active since 2016

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Is there a problem using 'getpts' for placing marks on images with a single mouse-click?
I am manually checking the automated counts of geese, which are marked with red dots, in 8688 x 5792 pixel images. I have found...

6 years ago | 0 answers | 0

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Question

How can I mark several features in an image with 'insertMarker' and save the image at full resolution?
I am trying to identify geese in a 8688x5792-pixel image and mark the identified features (geese) with a circle then save the im...

6 years ago | 1 answer | 0

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What is the minimum size for training sets in bagOfFeatures analysis.
I am trying to count two species of geese in 50 megapixel aerial photos. I locate the geese using morphology and the detectSURF...

8 years ago | 0 answers | 0

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answers

Question

Error message when writing file names with "\" character to text file.
I am outputting file names with partial paths, which have "\" in them, to a text file. If I only write the 12 character filenam...

8 years ago | 1 answer | 0

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Answered
What is the most efficient way to obtain the centroid of each cluster of centroids in the matrix produced by 'kmeans' cluster analysis?
That's what I thought reading the documentation, but wasn't sure. Thank you again for help with application of cluster analysis....

8 years ago | 0

Question

What is the most efficient way to obtain the centroid of each cluster of centroids in the matrix produced by 'kmeans' cluster analysis?
I am counting geese in large flocks in aerial photos using the 'detectSURFFeatures' function to identify individual geese. This...

8 years ago | 2 answers | 0

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Question

I am trying to count brant geese in aerial photos to estimate density. I can isolate brant in Photoshop using the 'Other/Maximum' filter. I have tried using MatLab IPT to accomplish the same effect with poor results. Any suggestions generally?
<</matlabcentral/answers/uploaded_files/62074/Brant%20example.jpg>> brant=imread('C:/Morph/brant example.jpg'); labeledI...

8 years ago | 1 answer | 0

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Question

I am using strongest SURFfeatures to identify geese (several hundred per image) in aerial photos. Is there a way to acquire the centroid for each of the clustered SURFfeatures around geese? I want to crop images of geese for BagOfFeatures analysis.
<</matlabcentral/answers/uploaded_files/63026/SURF%20geese.jpg>>

8 years ago | 1 answer | 0

1

answer

Answered
I am trying to count brant geese in aerial photos to estimate density. I can isolate brant in Photoshop using the 'Other/Maximum' filter. I have tried using MatLab IPT to accomplish the same effect with poor results. Any suggestions generally?
<</matlabcentral/answers/uploaded_files/62071/Brant%20example.jpg>>

8 years ago | 0

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