Abstract
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This paper proposes a new retrieval problem and conducts
the initial study. This problem aims at finding the location of an item
in a supermarket by means of visual retrieval. It is modelled as objectbased
retrieval and approached using the local invariant features. Two
existing retrieval methods are investigated and their similarity measures
are modified to better fit this new problem. More importantly, through
the study this new retrieval problem proves itself to be a challenging
task. An instant application of it is to help the customer find what they
want without physically wandering around the shelves but a wide range
of potential applications could be expected.