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View article: Hierarchical Reasoning with Vision-Language Models for Incident Reports from Dashcam Videos
Hierarchical Reasoning with Vision-Language Models for Incident Reports from Dashcam Videos Open
Recent advances in end-to-end (E2E) autonomous driving have been enabled by training on diverse large-scale driving datasets, yet autonomous driving models still struggle in out-of-distribution (OOD) scenarios. The COOOL benchmark targets …
View article: Understanding Sensitivity of Differential Attention through the Lens of Adversarial Robustness
Understanding Sensitivity of Differential Attention through the Lens of Adversarial Robustness Open
Differential Attention (DA) has been proposed as a refinement to standard attention, suppressing redundant or noisy context through a subtractive structure and thereby reducing contextual hallucination. While this design sharpens task-rele…
View article: Beyond ensemble averaging: Parallelized single-shot readout of hole capture in diamond
Beyond ensemble averaging: Parallelized single-shot readout of hole capture in diamond Open
Understanding the generation, transport and capture of charge carriers in semiconductors is of fundamental technological importance. However, the ensemble measurement techniques ubiquitous in electronics offer limited insight into the nano…
View article: Fostering Empathy and Enhancing Creativity in Human-AI Agent Dialogues
Fostering Empathy and Enhancing Creativity in Human-AI Agent Dialogues Open
This article elucidates the process by which empathy is fostered, and creativity is promoted in designers' thoughts through dialogues between AI agents and humans. By constructing a knowledge graph and employing nudge theory-based interact…
View article: Quantitative imaging of nonlinear spin-wave propagation using diamond quantum sensors
Quantitative imaging of nonlinear spin-wave propagation using diamond quantum sensors Open
Spin waves propagating in magnetic materials exhibit nonlinear behavior at large amplitudes due to the competition between excitation and relaxation, providing an attractive platform for exploring nonlinear wave dynamics. In particular, sp…
View article: Nanodiamond quantum thermometry assisted with machine learning
Nanodiamond quantum thermometry assisted with machine learning Open
Nanodiamonds (NDs) are quantum sensors that enable local temperature measurements, taking advantage of their small size. Though model-based analysis methods have been used for ND quantum thermometry, their accuracy has yet to be thoroughly…
View article: Systematic investigation of dynamic nuclear polarization with boron vacancy in hexagonal boron nitride
Systematic investigation of dynamic nuclear polarization with boron vacancy in hexagonal boron nitride Open
Dynamic nuclear polarization (DNP) using the boron vacancy ($\mathrm{V_B^-}$) in hexagonal boron nitride (hBN) has gained increasing attention. Understanding this DNP requires systematically investigating the optically detected magnetic re…
View article: One-D-Piece: Image Tokenizer Meets Quality-Controllable Compression
One-D-Piece: Image Tokenizer Meets Quality-Controllable Compression Open
Current image tokenization methods require a large number of tokens to capture the information contained within images. Although the amount of information varies across images, most image tokenizers only support fixed-length tokenization, …
View article: Wideband wide-field imaging of spin-wave propagation using diamond quantum sensors
Wideband wide-field imaging of spin-wave propagation using diamond quantum sensors Open
Imaging spin-wave propagation in magnetic materials in a wide frequency range is crucial for understanding and applying spin-wave dynamics. Recently, nitrogen-vacancy (NV) centers in diamond have attracted attention as sensors capable of q…
View article: Systematic characterization of nanoscale <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>h</mml:mi></mml:math>-BN quantum sensor spots created by helium-ion microscopy
Systematic characterization of nanoscale -BN quantum sensor spots created by helium-ion microscopy Open
The nanosized boron vacancy ($V_\\mathrm{B}^-$) defect spot in hexagonal boron\nnitride ($h$-BN) is promising for a local magnetic field quantum sensor. One of\nits advantages is that a helium-ion microscope can make a spot at any location…
View article: Observation of chiral domain walls in an octupole-ordered antiferromagnet
Observation of chiral domain walls in an octupole-ordered antiferromagnet Open
Spin chirality in antiferromagnets offers new opportunities for spintronics. The kagome antiferromagnet Mn3Sn is a paradigmatic material in which the antiferromagnetic order parameter can be detected and controlled by electrical means. How…
View article: CoVLA: Comprehensive Vision-Language-Action Dataset for Autonomous Driving
CoVLA: Comprehensive Vision-Language-Action Dataset for Autonomous Driving Open
Autonomous driving, particularly navigating complex and unanticipated scenarios, demands sophisticated reasoning and planning capabilities. While Multi-modal Large Language Models (MLLMs) offer a promising avenue for this, their use has be…
View article: Heron-Bench: A Benchmark for Evaluating Vision Language Models in Japanese
Heron-Bench: A Benchmark for Evaluating Vision Language Models in Japanese Open
Vision Language Models (VLMs) have undergone a rapid evolution, giving rise to significant advancements in the realm of multimodal understanding tasks. However, the majority of these models are trained and evaluated on English-centric data…
View article: Investigations of optical aberration on quantum diamond microscopy toward high spatial resolution and sensitivity
Investigations of optical aberration on quantum diamond microscopy toward high spatial resolution and sensitivity Open
Quantum diamond microscopy (QDM), which employs nitrogen-vacancy (NV) center ensembles, is a promising approach to quantitatively imaging magnetic fields with both high resolution that approaches the diffraction limit and a wide field of v…
View article: Frequency-tunable magnetic field sensing using continuous-wave optically detected magnetic resonance with nitrogen-vacancy centers in diamond
Frequency-tunable magnetic field sensing using continuous-wave optically detected magnetic resonance with nitrogen-vacancy centers in diamond Open
The nitrogen-vacancy (NV) center is a promising candidate to realize practical quantum sensors with high sensitivity and high spatial resolution at room temperature and atmospheric pressure. In conventional high-frequency AC magnetometry w…
View article: Two cases of laryngeal edema due to CAR-T cell therapy
Two cases of laryngeal edema due to CAR-T cell therapy Open
CAR(Chimeric antigen receptor)-T細胞療法は血液悪性疾患に対する新しい治療法である。CAR-T細胞療法の主な有害事象としてサイトカイン放出症候群(CRS:cytokine release syndrome),中枢神経毒性が挙げられ,CRSは発熱,低血圧,播種性血管内凝固症候群,血球貪食症候群,急性呼吸窮迫症候群等が出現することが一般的に知られている。CRSとしての喉頭浮腫の報告はわずかであるが,喉頭浮腫をきたした場合,致死的な合併症につながる可…
View article: Demonstration of highly sensitive wideband microwave sensing using ensemble nitrogen-vacancy centers
Demonstration of highly sensitive wideband microwave sensing using ensemble nitrogen-vacancy centers Open
Microwave magnetometry is essential for the advancement of microwave technologies. We demonstrate a broadband microwave sensing protocol using the AC Zeeman effect with ensemble nitrogen-vacancy (NV) centers in diamond. A widefield microsc…
View article: Nitrogen isotope effects on boron vacancy quantum sensors in hexagonal boron nitride
Nitrogen isotope effects on boron vacancy quantum sensors in hexagonal boron nitride Open
There has been growing interest in studying hexagonal boron nitride (hBN) for quantum technologies. Here, we investigate nitrogen isotope effects on boron vacancy ( V B ) defects, one of the candidates for quantum sensors, in 15 N isotopic…
View article: Suppression of Pulsed Dynamic Nuclear Polarization by Many-Body Spin Dynamics
Suppression of Pulsed Dynamic Nuclear Polarization by Many-Body Spin Dynamics Open
We study a mechanism by which nuclear hyperpolarization due to the polarization transfer from a microwave-pulse-controlled electron spin is suppressed. From analytical and numerical calculations of the unitary dynamics of multiple nuclear …
View article: Nitrogen isotope effects on boron vacancy quantum sensors in hexagonal boron nitride
Nitrogen isotope effects on boron vacancy quantum sensors in hexagonal boron nitride Open
There has been growing interest in studying hexagonal boron nitride (hBN) for quantum technologies. Here, we investigate nitrogen isotope effects on boron vacancy (V$_\text{B}$) defects, one of the candidates for quantum sensors, in $^{15}…
View article: Optical-power-dependent Splitting of Magnetic Resonance in Nitrogen-vacancy Centers in Diamond
Optical-power-dependent Splitting of Magnetic Resonance in Nitrogen-vacancy Centers in Diamond Open
Nitrogen-vacancy (NV) centers in diamonds are a powerful tool for accurate\nmagnetic field measurements. The key is precisely estimating the\nfield-dependent splitting width of the optically detected magnetic resonance\n(ODMR) spectra of t…
View article: Magnetic field imaging by hBN quantum sensor nanoarray
Magnetic field imaging by hBN quantum sensor nanoarray Open
Placing a sensor close to the target at the nano-level is a central challenge in quantum sensing. We demonstrate magnetic field imaging with a boron vacancy (VB−) defects array in hexagonal boron nitride with a few 10 nm thickness. VB− sen…
View article: Demonstration of geometric diabatic control of quantum states
Demonstration of geometric diabatic control of quantum states Open
Geometric effects can play a pivotal role in streamlining quantum\nmanipulation. We demonstrate a geometric diabatic control, that is, perfect\ntunneling between spin states in a diamond by a quadratic sweep of a driving\nfield. The field …
View article: Frequency-tunable magnetic field sensing using continuous-wave optically detected magnetic resonance with nitrogen-vacancy centers in diamond
Frequency-tunable magnetic field sensing using continuous-wave optically detected magnetic resonance with nitrogen-vacancy centers in diamond Open
The nitrogen-vacancy (NV) center is a promising candidate to realize practical quantum sensors with high sensitivity and high spatial resolution, even at room temperature and atmospheric pressure. In conventional high-frequency AC magnetom…
View article: Wide-field quantitative magnetic imaging of superconducting vortices using perfectly aligned quantum sensors
Wide-field quantitative magnetic imaging of superconducting vortices using perfectly aligned quantum sensors Open
Various techniques have been applied to visualize superconducting vortices, providing clues to their electromagnetic response. Here, we present a wide-field, quantitative imaging of the stray field of the vortices in a superconducting thin…
View article: Magnetic field imaging by hBN quantum sensor nanoarray
Magnetic field imaging by hBN quantum sensor nanoarray Open
Placing a sensor close to the target at the nano-level is a central challenge in quantum sensing. We demonstrate high-spatial-resolution magnetic field imaging with a boron vacancy (V$_\text{B}^-$) defects array in hexagonal boron nitride …
View article: Lock-in Thermography Using Diamond Quantum Sensors
Lock-in Thermography Using Diamond Quantum Sensors Open
Precise measurement of temperature distribution and thermal behavior in\nmicroscopic regions is critical in many research fields. We demonstrate lock-in\nthermography using nitrogen-vacancy centers in diamond nanoparticles. We\nsuccessfull…