4 papers
Unsupervised Vehicle Counting via Multiple Camera Domain Adaptation
Luca Ciampi, Carlos Santiago, Joao Paulo Costeira +2
Monitoring vehicle flows in cities is crucial to improve the urban environment and quality of life of citizens. Images are the best sensing modality to perceive and assess the flow…
Virtual to Real adaptation of Pedestrian Detectors
Luca Ciampi, Nicola Messina, Fabrizio Falchi +2
Pedestrian detection through Computer Vision is a building block for a multitude of applications. Recently, there was an increasing interest in Convolutional Neural Network-based a…
Using Apache Lucene to Search Vector of Locally Aggregated Descriptors
Giuseppe Amato, Paolo Bolettieri, Fabrizio Falchi +2
Surrogate Text Representation (STR) is a profitable solution to efficient similarity search on metric space using conventional text search engines, such as Apache Lucene. This tech…
On Reducing the Number of Visual Words in the Bag-of-Features Representation
Giuseppe Amato, Fabrizio Falchi, Claudio Gennaro
A new class of applications based on visual search engines are emerging, especially on smart-phones that have evolved into powerful tools for processing images and videos. The stat…