Tootfinder

SatDINO: A Deep Dive into Self-Supervised Pretraining for Remote Sensing
Jakub Straka, Ivan Gruber
https://arxiv.org/abs/2508.21402 https://arxiv.org/pdf/2…

SatDINO: A Deep Dive into Self-Supervised Pretraining for Remote Sensing
Self-supervised learning has emerged as a powerful tool for remote sensing, where large amounts of unlabeled data are available. In this work, we investigate the use of DINO, a contrastive self-supervised method, for pretraining on remote sensing imagery. We introduce SatDINO, a model tailored for representation learning in satellite imagery. Through extensive experiments on multiple datasets in multiple testing setups, we demonstrate that SatDINO outperforms other state-of-the-art methods base…

Secure Integrated Sensing and Communication Networks: Stochastic Performance Analysis
Marziyeh Soltani, Mahtab Mirmohseni, Rahim Tafazolli
https://arxiv.org/abs/2507.23234 https…

Secure Integrated Sensing and Communication Networks: Stochastic Performance Analysis
This paper analyzes the stochastic security performance of a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario. A base station (BS) transmits a multi-functional signal to simultaneously communicate with a user, sense a target's angular location, and counteract eavesdropping threats. The attack model considers a passive single-antenna communication eavesdropper intercepting communication data, as well as a multi-antenna sensing eavesd…

Octopuses possess a radically decentralized nervous system,
with the majority of their neurons residing in their arms.
Some say the octopus is a single organism with 9 brains.
From another perspective, we can say it is nine organisms housed within a single skin.
How can multiple humans come to inhabit a single organism with distributed sensory and decision-making capabilities?
How is cognition located in the network that spans bodies and environments?

How to Become an Octopus (and sometimes squid) — Gray Area Festival 2025 Workshop
What might we learn by thinking, sensing, and moving like an cephalopod? In this embodied, experimental workshop, artist Miriam Simun invites participants to leave behind the habits of upright human life and explore the world from the perspective of the soft-bodied, many-armed cephalopod.

802.11bf Multiband Passive Sensing: Reusing Wi-Fi Signaling for Sensing
Pablo Picazo-Martinez, Carlos Barroso-Fern\'andez, Alejandro Calvillo-Fernandez, Milan Groshev, Carlos J. Bernardos, Antonio de la Oliva, Alain Mourad
https://arxiv.org/abs/2507.22591

802.11bf Multiband Passive Sensing: Reusing Wi-Fi Signaling for Sensing
This paper presents a novel multiband passive sensing system that leverages IEEE 802.11bf Wi-Fi signals for environmental sensing, focusing on both sub-7 GHz and millimeter-wave (mmWave) bands. By combining Channel State Information (CSI) from multiple bands, the system enhances accuracy and reliability in detecting human presence, movement, and activities in indoor environments. Utilizing a novel model, called MILAGRO, the system demonstrates robust performance across different scenarios, incl…

Belief Propagation-based Target Handover in Distributed Integrated Sensing and Communication
Liping Bai, Yu Ge, Henk Wymeersch
https://arxiv.org/abs/2506.23118

Belief Propagation-based Target Handover in Distributed Integrated Sensing and Communication
Distributed integrated sensing and communication (DISAC) systems are key enablers for 6G networks, offering the capability to jointly track multiple targets using spatially distributed base stations (BSs). A fundamental challenge in DISAC is the seamless and efficient handover of target tracks between BSs with partially overlapping fields of view, especially in dense and dynamic environments. In this paper, we propose a novel target handover framework based on belief propagation (BP) for multi-…

20-GHz bandwidth optical activation function based on a semiconductor laser
Hai-Fei Guo, Zheng-Can Sun, Yi-Wei Shen, Rui-Qian Li, Xing Li, Cheng Wang
https://arxiv.org/abs/2507.00468

20-GHz bandwidth optical activation function based on a semiconductor laser
Optical neural networks usually execute the linear multiply-accumulate operation in the optical domain, whereas the nonlinear activation function is mostly implemented in the digital or electrical domain. Here we demonstrate a broadband activation function operated in the optical domain. The optical activation function (OAF) is achieved by a semiconductor laser with optical injection, which is operated in the unstable-locked regime above the Hopf bifurcation. The operation bandwidth of the OAF …

PosterForest: Hierarchical Multi-Agent Collaboration for Scientific Poster Generation
Jiho Choi, Seojeong Park, Seongjong Song, Hyunjung Shim
https://arxiv.org/abs/2508.21720 ht…

PosterForest: Hierarchical Multi-Agent Collaboration for Scientific Poster Generation
We present a novel training-free framework, \textit{PosterForest}, for automated scientific poster generation. Unlike prior approaches, which largely neglect the hierarchical structure of scientific documents and the semantic integration of textual and visual elements, our method addresses both challenges directly. We introduce the \textit{Poster Tree}, a hierarchical intermediate representation that jointly encodes document structure and visual-textual relationships at multiple levels. Our fra…

Resultant of an equivariant polynomial system with respect to direct product of symmetric groups
Sonagnon Julien Owolabi, Ibrahim Nonkane, Joel Tossa
https://arxiv.org/abs/2508.21713

Resultant of an equivariant polynomial system with respect to direct product of symmetric groups
In this note, we consider the resultant of systems of homogeneous multivariate polynomials which are equivariant under the action of direct product of two symmetric groups. We establish a decomposition formula for the resultant of such systems. Thanks to that decomposition formula we prove that the discriminant of an invariant multivariate homogeneous polynomial under a direct product of symmetric groups splits into smaller resultants that are easier to compute.

Electroluminescence and charge multiplication in liquid xenon with a VCC-like Microstrip Plate
Gonzalo Mart\'inez-Lema, Vitaly Chepel, Amos Breskin
https://arxiv.org/abs/2505.24611

Electroluminescence and charge multiplication in liquid xenon with a VCC-like Microstrip Plate
We report on the first observation of electroluminescence and charge amplification with a Virtual Cathode Chamber (VCC) microstrips plate immersed in liquid xenon. Both were observed in an intense non-uniform electric field in the vicinity of 2-$μ$m narrow anode strips deposited, with a 2~mm pitch, on a semiconductive glass substrate (S8900), with a cathode film on its backside. An initial light yield of $\sim$460 VUV photons per drifting electron was measured, which degraded within tens of mi…

TumorGen: Boundary-Aware Tumor-Mask Synthesis with Rectified Flow Matching
Shengyuan Liu, Wenting Chen, Boyun Zheng, Wentao Pan, Xiang Li, Yixuan Yuan
https://arxiv.org/abs/2505.24687

TumorGen: Boundary-Aware Tumor-Mask Synthesis with Rectified Flow Matching
Tumor data synthesis offers a promising solution to the shortage of annotated medical datasets. However, current approaches either limit tumor diversity by using predefined masks or employ computationally expensive two-stage processes with multiple denoising steps, causing computational inefficiency. Additionally, these methods typically rely on binary masks that fail to capture the gradual transitions characteristic of tumor boundaries. We present TumorGen, a novel Boundary-Aware Tumor-Mask Sy…