نسخة أولية وصول مفتوح
Beyond Resolution: Object-to-Image Ratio Mismatch in Instance Retrieval
Visual instance retrieval often fails when the same object appears at different apparent sizes in the query and gallery. We show that the dominant cause is usually not resolution loss but object-to-image (O2I) ratio mismatch: the object occupies different fractions of the two images. On a controlled benchmark of 3,021 …