c++ - How to zoom an image and keep its clearance? -


i have image. resized obtain another size greater first .

    resize(roi,zoom,size(2274,70),(0.0),(0.0),3);

i test method of interpplation don't give result.

     cv_inter_nn (default)      cv_inter_linear      cv_inter_cubic      cv_inter_area

the image contain text when zoomed it becomes fuzzy , can not recognize text.

i ask algorithm or method make image more clear

thanks help


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