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| 2018-08-03 02:08:37 -0600 | commented question | How to reduce image descriptor dimension to speed up image retrival My goal is match one page from a picture book, i have try use BOW without PCA, BOW is fast but accuracy not good enough |
| 2018-08-02 23:35:07 -0600 | commented question | How to reduce image descriptor dimension to speed up image retrival tks break gravatar image break, this is new code: // modify here PCA pca(queryDescriptors, Mat(), CV_PCA_DAT |
| 2018-08-02 02:59:47 -0600 | asked a question | How to reduce image descriptor dimension to speed up image retrival How to reduce image descriptor dimension to speed up image retrival This is a image retrival example, get image sift des |