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Which invariant image matching do I use? PNG format

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Mei Synn Tan
Mei Synn Tan 2017-6-12
编辑： Mei Synn Tan 2017-6-16
1. Query Image
2. Database Image
My objective are:
Step 1: When read the query image, it will get 0-255 image color pixels.
Step 2: Image invariant matching method can start finding from the top left of the image until whole image (row and columns). To detect the image color pixel in the range 0-254 (does not detect 255 image color pixels is because 255 = blank area, so have to exclude it)
Step 3: Detect the boundary and location with the image color pixel in the range 0-254.
Step 4: After detect the location (query image). It followed its location to compare with database image.
Means
1. Query image
2. Database image
Step 5: Use Euclidean distance to find out the dissimilarity value as 0.

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