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Home/ Questions/Q 8518769
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Editorial Team
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Editorial Team
Asked: June 11, 20262026-06-11T06:04:33+00:00 2026-06-11T06:04:33+00:00

I am developing some code in OpenCV 2.4 and I want to test the

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I am developing some code in OpenCV 2.4 and I want to test the FREAK detector but I get compilation errors. I am including the feature2d.h, what can I do to fix this?

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  1. Editorial Team
    Editorial Team
    2026-06-11T06:04:35+00:00Added an answer on June 11, 2026 at 6:04 am

    FREAK is included in the OpenCV version 2.4.2, so you cannot use it in your current version as it is not implemented. Download and install OpenCV2.4.2.

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