PORTO @ Archivio Istituzionale della Ricerca

A conversation on speculation and critique

Design and Fabrication of a Test Board Assembly for a Silicon Photonics LIDAR Device

The development of Silicon Photonics LIDAR (Laser Imaging, Detection, And Ranging) devices for applications such as autonomous driving has been progressing with many different approaches that can be used to achieve the LIDAR transmitter device mostly based on an Optical Phased Array (OPA). In this paper two different approaches at the eye safe 1550nm range are described: - a Silicon Photonics LIDAR based on OPA’s with a simplified electrical driving architecture and an array of Mach-Zehnder (...

Late Fusion-based Distributed Multimodal Learning

Multimodal artificial intelligence promises deeper insights by analyzing data from diverse sources such as text, images, audio and more. However, efficiently processing and fusing large multimodal datasets remains an open challenge. This paper presents a Spark-based approach to parallelize multimodal encoding tasks. A key aspect is the use of late fusion with frozen backbone encoders, allowing encodings to be processed independently across cluster nodes. The encoded vectors can then be used f...

Detecting Cryptomining Traffic in IoT Networks

With the proliferation of Internet of Things (IoT) devices in smart home environments, the threat landscape has expanded to include cryptojacking attacks, which exploit computational resources for unauthorized cryptocurrency mining. In response to these challenges, this paper extends the security capability of the IoT Proxy--a recently proposed solution to enhance the security of resource-constrained IoT devices--allowing users to take advantage of its security functionalities also in smar...