Interactive Mobile Visual Search and Recommendation at Internet Scale - Multimedia Database Retrieval: Technology and Applications - page 126

Fig. 4.18 Visual examples based on the recommendation system. The left snapshot shows the
visual query. The middle snapshot is the result using metadata-based text search. The right snapshot
is the re-ranking based on user's current position and location-based distance. ( a ) Bleecker Street
Pizza. ( b ) Beef Marrow and Marmalade

￿ Question 5 and 6 are the usefulness study on the Optical Character Recognition

(OCR) technique and adopted transformation invariant low-rank textures (TILT)
for improving the OCR. More people are in favor of the TILT algorithm enhanced
OCR method than the OCR itself [ 141 ]. (Technical details are presented in
Sect. 4.4.2.6 .)

￿ Question 7 is about the performance of text-based searches. Most people are

satisfied with this feature.