Alessandro Neri
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View article: Railway Ground Truth and Digital Map Based on GNSS and Multi-sensor Big-Data Acquisition
Railway Ground Truth and Digital Map Based on GNSS and Multi-sensor Big-Data Acquisition Open
Satellite-based localization solutions are expected to boost railway digitalization and in particular, they will enhance evolution and efficiency of railway signaling systems. The development of multi-sensor solutions is ongoing, but some …
View article: Integrating SystemC TLM into FMI 3.0 Co-Simulations with an Open-Source Approach
Integrating SystemC TLM into FMI 3.0 Co-Simulations with an Open-Source Approach Open
The growing complexity of cyber-physical systems, particularly in automotive applications, has increased the demand for efficient modeling and cross-domain co-simulation techniques. While SystemC Transaction-Level Modeling (TLM) enables ef…
View article: Representability of the direct sum of uniform q-matroids
Representability of the direct sum of uniform q-matroids Open
There are many similarities between the theories of matroids and $q$-matroids. However, when dealing with the direct sum of $q$-matroids many differences arise. Most notably, it has recently been shown that the direct sum of representable …
View article: Maximum flag-rank distance codes
Maximum flag-rank distance codes Open
In this paper we extend the study of linear spaces of upper triangular matrices endowed with the flag-rank metric. Such metric spaces are isometric to certain spaces of degenerate flags and have been suggested as suitable framework for net…
View article: Outer Strong Blocking Sets
Outer Strong Blocking Sets Open
Strong blocking sets, introduced first in 2011 in connection with saturating sets, have recently gained a lot of attention due to their correspondence with minimal codes. In this paper, we dig into the geometry of the concatenation method,…
View article: An Overview of Anaerobic Digestion of Agricultural By-Products and Food Waste for Biomethane Production
An Overview of Anaerobic Digestion of Agricultural By-Products and Food Waste for Biomethane Production Open
In a world facing increasing environmental and energy challenges, anaerobic digestion of agrifood by-products and food waste could contribute to the production of green energy while reducing greenhouse gas emissions into the atmosphere. An…
View article: Strong blocking sets and minimal codes from expander graphs
Strong blocking sets and minimal codes from expander graphs Open
A strong blocking set in a finite projective space is a set of points that intersects each hyperplane in a spanning set. We provide a new graph theoretic construction of such sets: combining constant-degree expanders with asymptotically go…
View article: Maximum Flag-Rank Distance Codes
Maximum Flag-Rank Distance Codes Open
In this paper we extend the study of linear spaces of upper triangular matrices endowed with the flag-rank metric. Such metric spaces are isometric to certain spaces of degenerate flags and have been suggested as suitable framework for net…
View article: Outer Strong Blocking Sets
Outer Strong Blocking Sets Open
Strong blocking sets, introduced first in 2011 in connection with saturating sets, have recently gained a lot of attention due to their correspondence with minimal codes. In this paper, we dig into the geometry of the concatenation method,…
View article: GNSS, IMU, camera and LIDAR technology characterization for railway ground truth and digital map generation
GNSS, IMU, camera and LIDAR technology characterization for railway ground truth and digital map generation Open
Satellite navigation in combination with affordable onboard sensors are key enabling technologies to support the digitalisation in railway transport. However, the adoption of these technologies still requires common methodologies to evalua…
View article: Selective video enhancement in the Laguerre–Gauss domain
Selective video enhancement in the Laguerre–Gauss domain Open
Traditional image and video enhancement techniques do not consider the subjective preferences of the user, who might be interested in modifying or highlighting specific elements of a scene. In fact, most image or video post-processing tech…
View article: A Machine Learning-Based Approach for Audio Signals Classification using Chebychev Moments and Mel-Coefficients
A Machine Learning-Based Approach for Audio Signals Classification using Chebychev Moments and Mel-Coefficients Open
This paper proposes a machine learning-based architecture for audio signals classification based on a joint exploitation of the Chebychev moments and the Mel-Frequency Cepstrum Coefficients. The procedure starts with the computation of the…
View article: User Needs for the Development of New Methodologies and R&D Tools for Building a Railway Digital Map and for the Experimental Performance Evaluation of On-Board Subsystems
User Needs for the Development of New Methodologies and R&D Tools for Building a Railway Digital Map and for the Experimental Performance Evaluation of On-Board Subsystems Open
Novel signalling systems are expected to use Digital Maps to implement Automatic Train Operation (ATO) functions or to augment technologies such as European Global Navigation Satellite Systems (GNSS), inertial sensors or optical sensors fo…
View article: Evasive subspaces, generalized rank weights and near MRD codes
Evasive subspaces, generalized rank weights and near MRD codes Open
We revisit and extend the connections between $\mathbb{F}_{q^m}$-linear rank-metric codes and evasive $\mathbb{F}_q$-subspaces of $\mathbb{F}_{q^m}^k$. We give a unifying framework in which we prove in an elementary way how the parameters …
View article: GNSS-Imaging Data Fusion for Integrity Enhancement in Autonomous Vehicles
GNSS-Imaging Data Fusion for Integrity Enhancement in Autonomous Vehicles Open
The transport sector is experiencing a fast and revolutionary development, moving towards the deployment of autonomous vehicles. Thus, the accuracy of the position information and the integrity of the navigation system have become key fact…
View article: On the Design of High Accuracy Rail Digital Maps based on Sensor Fusion
On the Design of High Accuracy Rail Digital Maps based on Sensor Fusion Open
Recently, multi-sensor localization strategies are gaining attention in the railway scenario. In fact, the current trend is to reduce or remove the physical equipment deployed along the track for positioning purposes and to exploit on-boar…
View article: Sound Event Detection for Human Safety and Security in Noisy Environments
Sound Event Detection for Human Safety and Security in Noisy Environments Open
The objective of a sound event detector is to recognize anomalies in an audio clip and return their onset and offset. However, detecting sound events in noisy environments is a challenging task. This is due to the fact that in a real audio…
View article: High Accuracy High Integrity Train Positioning based on GNSS and Image Processing Integration
High Accuracy High Integrity Train Positioning based on GNSS and Image Processing Integration Open
One of the major challenges in the design of high accuracy, high integrity localization procedures for rail applications based on Global Navigation Satellite Systems is represented by the local hazards that cannot be mitigated by resorting…
View article: The addition of Capsicum baccatum to Calabrian monovarietal extra virgin olive oils leads to flavoured olive oils with enhanced oxidative stability
The addition of Capsicum baccatum to Calabrian monovarietal extra virgin olive oils leads to flavoured olive oils with enhanced oxidative stability Open
This study aimed to evaluate the influence of Capsicum baccatum L. Aji Angelo and Bishop crown cultivars to the quality parameters of flavoured olive oils (FOOs) obtained by the addition of both fresh and dried pepper powders (1%) to Dolce…
View article: Weighted Reed-Solomon convolutional codes
Weighted Reed-Solomon convolutional codes Open
In this paper we present a concrete algebraic construction of a novel class of convolutional codes. These codes are built upon generalized Vandermonde matrices and therefore can be seen as a natural extension of Reed-Solomon block codes to…
View article: On the Use of Differential Correction Clustering for Facing Spoofing Attacks to GNSS Augmentation Networks
On the Use of Differential Correction Clustering for Facing Spoofing Attacks to GNSS Augmentation Networks Open
Nowadays, Global Navigation Satellite Systems are the main source for high accuracy positioning and timing. For this reason, they are essential both for everyday activities and services, and for the industrial and critical infrastructure s…
View article: Effect of the Nano-Ca(OH)2 Addition on the Portland Clinker Cooking Efficiency
Effect of the Nano-Ca(OH)2 Addition on the Portland Clinker Cooking Efficiency Open
A new technology was tested to improve the cooking efficiency of the raw mixture for Portland clinker production by the use of nano-Ca(OH)2. A decrease in the free lime concentration after the firing of approximately 35% and 55% in the nan…
View article: How many weight can a cyclicc ode have?
How many weight can a cyclicc ode have? Open
International audience
View article: GNSS Integrity Monitoring for Rail Applications: Two-Tiers Method
GNSS Integrity Monitoring for Rail Applications: Two-Tiers Method Open
The paper presents an innovative GNSS fault detection and exclusion approach for the adoption of satellite localization in the rail sector. Current global integrity monitoring systems cannot guarantee the safety level needed for such appli…
View article: Track Constrained RTK-like Positioning for Railway Applications
Track Constrained RTK-like Positioning for Railway Applications Open
Here, we investigate PVT solutions based on multi-constellation receivers and dedicated augmentation networks allowing to determine the track on which a train is operating with a very high safety Integrity level. Because the time needed to…