Abstract In this paper, we present an image acquisition device for building surface. To position the and generate unfolded view of building, camera needs to be orientated determine camera’s pose before acquisition. propose automatic orientation method based on target point recognition. Traditional methods often have low success rates poor accuracy. Our divides task into three steps: detecting prism its centre sequentially, finally completing orientation. address challenge center points, add...

In this article, we prove global well-posedness and scattering for the defocusing quintic nonlinear Schrödinger equation on cylinder $\mathbb{R} \times \mathbb{T}$ in $H^1$. We establish an infinite vector-valued linear profile decomposition $L^2_x h^\alpha$, $0 < \alpha \le 1$, motivated by of mass-critical $L^2(\mathbb{R}^d )$, $d\ge 1$. Then using solution one-discrete-component resonant system, whose can be proved techniques established Dodson, to approximate profile, $H^1$ concentration...

In this paper, we show the existence and uniqueness of mild solution for a class time-dependent stochastic evolution equations with finite delay driven by standard cylindrical Wiener process an independent fractional Brownian motion Hurst parameter H ∈ (1 / 2,1). An example is provided to illustrate theory. Copyright © 2013 John Wiley & Sons, Ltd.

In this article, we will show the scattering of cubic defocusing nonlinear Schrödinger equation on waveguide \mathbb{R}^2\times \mathbb{T} in H^1 . We first establish linear profile decomposition H^{1}(\mathbb{R}^2 \times \mathbb{T}) motivated by mass-critical L^2(\mathbb{R}^2) Then using solution resonant system to approximate profile, can prove concentration-compactness/rigidity method.

Abstract This paper is devoted to the inverse problem of determining spatially dependent source in a time fractional diffusion-wave equation, with aid extra measurement data at subboundary. A uniqueness result obtained by using analyticity and newly established unique continuation principle provided that coefficients are all temporally independent. We also derive Lipschitz stability our under suitable topology whose norm given via adjoint system equation.

Ground-based synthetic aperture radar interferometry (GB-InSAR) enables the continuous monitoring of areal deformation and can thus provide near-real-time control overall state dam surfaces. In small-scale a reservoir structure by GB-InSAR, ground-based (GB-SAR) image acquisition may be interrupted multiple interfering factors, such as severe changes in meteorological conditions area equipment failures. As result, observed phases before after interruption cannot directly connected, original...

This article discusses the analyticity and long‐time asymptotic behavior of solutions to space‐time fractional diffusion‐reaction equations in . By a Laplace transform argument, we prove that decay rate solution as t → ∞ is dominated by order time‐fractional derivative. We consider also bounded domain. Copyright © 2016 John Wiley &amp; Sons, Ltd.

Compared with traditional images, high-resolution images obtained by unmanned aerial vehicles (UAV) are superior in many aspects such as low cost, convenience and so on. However, the attitude of cannot be determined accurately, which will lead to decrease accuracy efficiency automatic matching, image preprocessing should done guarantee enough degree overlap for mosaicking mapping. There some ascendant characteristics SIFT operator invariant scale, rotation, lightness, these very useful...

High-resolution images obtained by unmanned aerial vehicles (UAV) are superior in many aspects such as low cost, convenience and so on. However, the attitude of vehicle cannot be achieved accurately, which leads to decrease accuracy efficiency automatic matching. There some ascendant characteristics SIFT operator invariance scale, rotation, lightness, these very useful increasing matching UAV images. In this paper, features sequence were matched using algorithm, perspective transformation...

At present, satellite and aerial remote sensing are common ways to collect data for territorial resources monitoring in most countries, but they not effective or rapid enough.Compared with traditional of obtaining images, the UAV based platform photogrammetry is a more flexible easy way provide high-resolution images lower cost.So building platforms becoming hot field throughout whole world.However, there also some problems e.g. views from smaller than those so these small should be pasted...

Crack detection based on deep learning is an advanced technology, and many scholars have proposed methods for the segmentation of pavement cracks. However, due to difference image specifications crack characteristics, some existing are not effective in detecting cracks containment. To quickly detect accurately extract quantitative information, this paper proposes a model, called MA_CrackNet, analysis algorithm. MA_CrackNet end-to-end model multiscale fusions that achieve pixel-level...

We consider the Cauchy problem for nonlinear Schrödinger (NLS) equation with double nonlinearities opposite sign, one term mass-critical and other mass-supercritical energy-subcritical, which includes well-known two-dimensional cubic-quintic NLS arising in study of boson gas 2- 3-body interactions. prove global well-posedness scattering H1(Rd) below threshold nonradial data when 1≤d≤4.

This paper deals with the 1D time-fractional diffusion equations nonlinear boundary condition. We first give an integral equation of solution via theta-function and eigenfunction expansion establish short time asymptotic behavior solution. then verify uniqueness inverse problem in determining fractional order by one endpoint observation whether condition is known or not. Furthermore, case when known, we can Lipschitz stability respect to measured data at using continuity order.

At present, satellite and aerial remote sensing are common ways to collect data for territorial resources monitoring in most countries, but they not effective, rapid accurate enough. Compared with traditional of obtaining images, UAV based platform photogrammetry is a more flexible easy way get high-resolution images low cost. So building platforms becoming hot field throughout the whole world. However, there also some problems e.g. views from smaller than those so these small should be...

As an external defect, cracks cannot be neglected, and crack detection is crucial for the safety monitoring of nuclear containments. Because low continuity tiny size cracks, traditional crack-detection methods sometimes fail to detect in complex backgrounds. This paper proposes a method featuring template that can adaptively determine width. The search starts from local minimum point gray level, width determined by comparing difference between seed region its neighborhoods on pixel basis....

The all-weather, non-contact and high-accuracy deformation monitoring can be realized by using the GB-SAR system, which includes three key technologies such as Stepped Frequency Continuous Wave (SF-CW), synthetic aperture radar (SAR) interferometry. In this paper, a experiment made at Geheyan Dam is described. effects on data caused atmospheric changes are analyzed, results statistically analyzed. show that information of entire dam surface reflected accurately with corrected environmental...