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What are some free alternatives to SIFT/ SURF that can be used in commercial applications?

image-processing computer-vision local-features sift

Jun 15 '17 at 15:49 Tolga Birdal 5,028

52

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5

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What is the difference between convolution and cross-correlation?

convolution autocorrelation cross-correlation

Sep 5 at 21:56 Tom Huntington 190

51

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6

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22k

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Best way of segmenting veins in leaves?

image-processing computer-vision image-segmentation thresholding

Dec 10 '19 at 18:55 Community♦ 1

47

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3

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21k

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What algorithm does Google use for its “Search By Image” site?

image-processing computer-vision

Apr 4 '17 at 14:38 Community♦ 1

25

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Mathematics of Harris corner point detection

image-processing opencv linear-algebra

Sep 26 '13 at 4:20 Community♦ 1

4

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1

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355

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Help Understanding Convolution Filter Formulation

image-processing convolution

Jan 9 '13 at 12:57 Dilip Sarwate 17.2k

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