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sad as it is, you can't use those BoW classes from java, their bindings are broken.

i am using OpenCV 3.2.0 since it is the only version that i found contains BOW classes in Feature2d

that is not true. more recent versions have them, too, but the problem remains the same.

sad as it is, you can't use those BoW classes from java, their bindings are broken.broken. (e.g. there is no BOWImgDescriptorExtractor constructor, it is skipped during the wrapper generation)

i am using OpenCV 3.2.0 since it is the only version that i found contains BOW classes in Feature2d

that is not true. more recent versions have them, too, but the problem remains the same.

sad as it is, you can't use those BoW classes from java, their bindings are broken. (e.g. there is no BOWImgDescriptorExtractor constructor, it is skipped during the wrapper generation)

i am using OpenCV 3.2.0 since it is the only version that i found contains BOW classes in Feature2d

that is not true. more recent versions have them, too, but the problem remains the same.

sad as it is, you can't use those BoW classes from java, their bindings are broken. (e.g. there is no BOWImgDescriptorExtractor constructor, it is skipped during the wrapper generation)

i am using OpenCV 3.2.0 since it is the only version that i found contains BOW classes in Feature2d

that is not true. more recent versions have them, too, too (and you should a more recent version, than 3.2), but the problem remains the same.

you'll either have to fallback to jni for this, or rewrite it in java.

please see here for a java example