The application of machine learning techniques to the medical domain is especially
challenging due to the required level of precision and the incurrence of huge risks of minute …

Person-Action instance search (PA INS) aims to retrieve the instances of a specific person
doing a specific action, which appears in the 2019–2021 INS tasks of the world-famous …

We consider the problem of using image queries to retrieve videos from a database. Our
focus is on large-scale applications, where it is infeasible to index each database video …

This paper deals with a novel concept of an exponential IDF in the BM25 formulation and
compares the search accuracy with that of the BM25 with the original IDF in a content-based …

This paper proposes an elastic spatial verification method for Instance Search, particularly
for dealing with non-planar and non-rigid queries exhibiting complex spatial transformations …

The IRIM group is a consortium of French teams supported by the GDR ISIS and working on
Multimedia Indexing and Retrieval. This paper describes its participation to the TRECVID …

The information available on-line and off-line, from open as well as from private sources, is
growing at an exponential rate and places an increasing demand on the limited resources of …

As one of the challenging problems in video search, Person-Action Instance Search (PA
INS) aims to retrieve shots with a specific person carrying out a specific action from massive …

This paper studies Who-What-Where (3W) composite-semantic video instance search (INS)
problem, which aims to find a specific person doing a queried action in a particular place …

In TRECVID 2021, we participated in all two types of Instance Search (INS) task, ie,
automatic way and interactive way. In automatic instance search, a two-stage approach of …