Infrared small-target detection plays a crucial role in applications such as public safety monitoring. However, it faces significant challenges due to the loss of target features, which weakens performance. To tackle this problem, study proposes an improved infrared model based on YOLOv8n. First, Dual-Path Fusion Downsampling Convolution (WFDC) module enhances backbone network’s ability extract fine-grained features targets, preventing image details depth convolutional neural network...

To achieve rapid distance estimation and tracking of moving targets in a large field view, this paper proposes an innovative simulation method. Using low-cost approach, the imaging measurement performance designed cooling-type mid-wave infrared compound-eye camera (CM-CECam) is experimentally evaluated. The consists small-lens array with spherical shell, relay optical system, detector. Based on spatial arrangement array, precise model for developed, constructing virtual space. Distance error...

Deep Neural Networks (DNNs) have emerged as an effective approach to tackling real-world problems. However, like human-written software, DNNs can bugs and be attacked. To address this, research has explored a wide-range of algorithmic approaches verify DNN behavior. In this work, we introduce NeuralSAT, new verification that adapts the widely-used DPLL(T) algorithm used in modern SMT solvers. A key feature solvers is use conflict clause learning search restart scale verification. Unlike...

Abstract Traditional 2D imaging technologies are limited by the need for a large field of view and their sensitivity to small target motion. Inspired characteristics insect compound eye structure, we propose an infrared bionic camera based on lens array. The is composed 61 arrays mounted curved spherical shell relay optical system. device high-performance cooled mid-wave detector. This innovative design biomimetic system that provides wide all-day detection capability. Aimed meet specified...

InSb nanowires (NWs) show an important application in topological quantum computing owing to their high electron mobility, strong spin–orbit interaction, and large g factor. Particularly, ultra-thin NWs are expected be used solve the problem of multiple sub-band occupation for detection Majorana fermions. However, it is still difficult epitaxially grow due surfactant effect Sb. Here, we develop in-plane self-assembled technique catalyst-free on Ge(001) substrates by molecular-beam epitaxy....

We expand the class of curves $(φ_1(t),φ_2(t)),\ t\in[0,1]$ for which $\ell^2$ decoupling conjecture holds $2\leq p\leq 6$. Our includes all real-analytic regular with isolated points vanishing curvature and form $(t,t^{1+ν})$ $ν\in (0,\infty)$.

In this article, we investigate the boundary behavior of solutions divergence-form operators with an elliptic symmetric part and a BMO antisymmetric part. Our results will hold in non-tangentially accessible (NTA) domains; these general domains were introduced by Jerison Kenig include class Lipschitz domains. We establish Hölder continuity at boundary, existence measures ωL associated to such operators, well-posedness continuous Dirichlet problem as well Lp(dω) NTA The equivalence Lp norm...

The spatial resolution of an infrared focal plane polarization detection system is limited by the structure detector, resulting in lower than actual array size. To overcome this limitation and improve imaging resolution, we propose super-resolution reconstruction model based on sparse representation, optimized using Stokes vector images. This forms basis for our method aimed at achieving In method, utilize proposed to initially reconstruct low-resolution images blocks. Subsequently, perform...

The Linux kernel has been applied in various security-sensitive fields, so ensuring its security is crucial. Vulnerabilities the are usually caused by undefined behaviors of C programming language, most threatening which memory safety vulnerabilities. Both software-based and hardware approaches to have disadvantages poor performance, false positives, compatibility. This paper explores feasibility using safe language Rust reconstruct a component open-source component's code. We leverage FFI...

The Hongtoushan Cu-Zn deposit in the Neoarchean Qingyuan greenstone belt of North China Craton is oldest volcanogenic massive sulfide (VMS) China. ore samples are classified by ores, disseminated and sulfide-bearing quartz veins. Four types ores further identified. Type A ore, characterized granular euhedral dark mineral aggregates sulfides matrix, interpreted as result partial melting primary sulfides, type B might record process mechanical migration. C formed recrystallization coarse...

A multi-aperture compound eye infrared optical system is designed for the imaging of cooled medium wave detector. The includes an lenslet array arranged on front spherical surface, and a relay matched with problem matching connection between surface detector solved, set multi aperture bionic that can match designed. Through system, focal imaged by curved re-imaged plane waveband 3.7-4.8μm. total length 3.5mm, field view 108°, distortion full less than 6%. design result shows image quality...

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In the realm of neural network-based noise reduction, conventional models predominantly address Gaussian and blur artifacts across entire images. However, they encounter notable challenges when directly applied to periodic characteristics high-resolution infrared sequential imagery. The high resolution also complicates construction suitable datasets. Our study introduces an innovative strategy that transforms two-dimensional images into one-dimensional signals, eliminating need for...

When photographing objects underwater, it is important to utilize an optical window isolate the imaging device from water. The properties of entire system will change, and quality decrease due refraction impact water window. theoretical calculation method for air no longer relevant in this context. To analyze unique rule, research derives formulas key parameters underwater systems under paraxial circumstances. First, modeled, then formula window’s focal length environment derived, change...

We designed and fabricated an extra-large metalens doublet(EMD). Leveraging on the EMD, we developed a camera for broadband large field of view imaging in long-wavelength infrared spectrum, evaluated performances meta-camera.

The cooled mid-wave infrared biomimetic compound eye camera has wide range of applications, such as industrial inspection, military project, and security. Due to the low resolution individual eyes large field view imaging system, existing motion target enhancement detection algorithms cannot effectively detect all potential targets. To address this issue, we propose an improved elementary detector model that combines a double-layer ON_OFF channel cross-type computational architecture, which...

In this paper, a depth-sensing method employing active irradiation of semi-annular beam is proposed for observing the multi-layered reflective surfaces transparent samples with higher resolutions and lower interference. To obtain focusing resolution aperture diaphragm system, model computing diffracted optical energy distribution an asymmetric constructed, mathematical formulas are deduced determining system based on position first dark ring amplitude distribution. Optical simulations were...

In this paper, we introduce the concept of Rota-Baxter Leibniz algebras and explore two characterizations algebras. And construct a number from associative discover some augmented algebra, bialgebra, weak Hopf algebra. end, give all operators weight <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mn mathvariant="normal">0</mml:mn></mml:mrow></mml:math> id="M2"><mml:mo>-</mml:mo><mml:mn mathvariant="normal">1</mml:mn></mml:math> on solvable nilpotent dimension...