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Recovering model transformation traces using multi-objective optimization

Hajer Saada, Marianne Huchard, Clementine Nebut, Houari Sahraoui
2013 2013 28th IEEE/ACM International Conference on Automated Software Engineering (ASE)  
In this paper, we propose an automated approach, based on multi-objective optimization, to recover transformation traces between models.  ...  To allow engineers to maintain the models and track their changes, recovering transformation traces is essential.  ...  Thus, the trace recovery can be seen as a multi-objective optimization problem.  ... 
doi:10.1109/ase.2013.6693134 dblp:conf/kbse/SaadaHNS13 fatcat:t6ywjr3zijf4fky6yye4iiawam

A Novel Multi-Objective Electromagnetic Analysis Based on Genetic Algorithm

Shaofei Sun, Hongxin Zhang, Liang Dong, Xiaotong Cui, Weijun Cheng, Muhammad Saad Khan
2019 Sensors  
Multi-objective optimization is a good way to solve the problem of a single byte of the key.  ...  Combining the advantages of multi-objective optimization and genetic algorithm, we put forward a novel multi-objective electromagnetic analysis based on a genetic algorithm to take full advantage of information  ...  It usually can be divided into two parts: one is to reconstruct a new objective function to convert a multi-objective optimization problem into a single-objective optimization problem; another is to transform  ... 
doi:10.3390/s19245542 pmid:31847445 pmcid:PMC6960805 fatcat:dsrkzyyhfjeatnf5iekfywfmey

NeFII: Inverse Rendering for Reflectance Decomposition with Near-Field Indirect Illumination [article]

Haoqian Wu, Zhipeng Hu, Lincheng Li, Yongqiang Zhang, Changjie Fan, Xin Yu
2023 arXiv   pre-print
In a nutshell, we introduce the Monte Carlo sampling based path tracing and cache the indirect illumination as neural radiance, enabling a physics-faithful and easy-to-optimize inverse rendering method  ...  Inverse rendering methods aim to estimate geometry, materials and illumination from multi-view RGB images.  ...  We use the simplified Disney BRDF model [8] with parameters including roughness, diffuse albedo and specular albedo.  ... 
arXiv:2303.16617v2 fatcat:yp3yudresbhflp2apjf354ao7y

NeuralMVS: Bridging Multi-View Stereo and Novel View Synthesis [article]

Radu Alexandru Rosu, Sven Behnke
2022 arXiv   pre-print
Novel View Synthesis (NVS) is a parallel line of research and has recently seen an increase in popularity with Neural Radiance Field (NeRF) models, which optimize a per scene radiance field.  ...  Multi-View Stereo (MVS) is a core task in 3D computer vision.  ...  The model didn't use any per-scene optimization and was trained only on the training set of DTU showing that it can generalize to novel views and novel objects. Fig. 8 . 8 Fig.8.  ... 
arXiv:2108.03880v2 fatcat:smedf5lpmvfknd47vqilgqppau

A Review of Multi-objective Evolutionary Algorithms for Information Retrieval System

2020 International Journal of Emerging Trends in Engineering Research  
We present an investigation of two notable broadly useful multi-objective transformative algorithms, Challenges of Multi-objective Evolutionary Algorithms, Applications and Recent improvements in Multi-objective  ...  Information retrieval systems (IRSs) presentation is generally calculated using two special principles, accuracy and analysis.  ...  A Review of Multi-objective Evolutionary Algorithms for Information Retrieval System  ... 
doi:10.30534/ijeter/2020/1458102020 fatcat:qme6cftpv5eilpez7bqerc6ixy

Convex Multi-view Subspace Learning

Martha White, Yaoliang Yu, Xinhua Zhang, Dale Schuurmans
2012 Neural Information Processing Systems  
and reconstruction model, jointly and optimally.  ...  For this formulation, we develop an efficient algorithm that recovers an optimal data reconstruction by exploiting an implicit convex regularizer, then recovers the corresponding latent representation  ...  Our strategy will be to first recover the optimal dual solution Γ given Ẑ, then use Γ to recover H and C. First, to recover Γ one can simply trace back from (21) to (20) .  ... 
dblp:conf/nips/WhiteYZS12 fatcat:cucctt3iuneg3lqvo2sphwoxkm

SDF-SRN: Learning Signed Distance 3D Object Reconstruction from Static Images [article]

Chen-Hsuan Lin, Chaoyang Wang, Simon Lucey
2020 arXiv   pre-print
These techniques, however, remain impractical as they still require multi-view annotations of the same object instance during training.  ...  Dense 3D object reconstruction from a single image has recently witnessed remarkable advances, but supervising neural networks with ground-truth 3D shapes is impractical due to the laborious process of  ...  In particular, we center the object and rescale such that 1. We use the ground-truth CAD model and camera pose associated with each image to create the object silhouettes.  ... 
arXiv:2010.10505v1 fatcat:ucowbzjzt5anbjqwkpk7xw3ufu

Polarimetric Inverse Rendering for Transparent Shapes Reconstruction [article]

Mingqi Shao, Chongkun Xia, Dongxu Duan, Xueqian Wang
2022 arXiv   pre-print
The experimental results show that our method is capable of recovering detailed shapes and improving the reconstruction quality of transparent objects.  ...  We build a polarization dataset for multi-view transparent shapes reconstruction to verify our method.  ...  The model is trained on a RTX 3090 GPU(24GB). We use the Adam optimizer (Kingma and Ba 2014) with a learning rate of 1e − 4 to optimize the network.  ... 
arXiv:2208.11836v1 fatcat:fjf4e7l7xfflbp2lndtgsuiygi

Matrix Co-completion for Multi-label Classification with Missing Features and Labels [article]

Miao Xu, Gang Niu, Bo Han, Ivor W. Tsang, Zhi-Hua Zhou, Masashi Sugiyama
2018 arXiv   pre-print
We give a theoretical bound on the recovery effect of COCO and demonstrate its practical usefulness through experiments.  ...  However, since entries of take binary values in the multi-label setting, it is unlikely that is of low-rank.  ...  Motivated by the advantage of the elastic net [17] which uses both the L1 norm and L2 norm for regularization, we additionally consider optimizing the trace norm of the difference between the recovered  ... 
arXiv:1805.09156v1 fatcat:s2tjqgeny5bh3daxm5y5adf25a

Recovering Incomplete Data using Tucker Model for Tensor with Low-n-rank

Thao Nguyen Thieu, Hyung-Jeong Yang, Tien Duong Vu, Sun-Hee Kim
2016 International Journal of Contents  
We formulated the optimization objective function using components of Tucker model after decomposing.  ...  A first order optimization method, namely Nonlinear Conjugated Gradient, was applied to solve the optimization problem.  ...  Therefore, trace norm is used to approximate rank of matrices, aims to relax the object function to convex optimization problem.  ... 
doi:10.5392/ijoc.2016.12.3.022 fatcat:7bnx5zkcobd7jax2jovecg67xu

Prediction of Covid-19 spreading and optimal coordination of counter-measures: From microscopic to macroscopic models to Pareto fronts

Hanna Wulkow, Tim O F Conrad, Nataša Djurdjevac Conrad, Sebastian A Müller, Kai Nagel, Christof Schütte
2021 PLoS ONE  
For this micro-model, a surrogate macro-model is constructed and validated that is much less computationally expensive and can therefore be used in the core of a numerical solver for the multi-objective  ...  We present a strategy for construction and solution of such a multi-objective optimization problem with real-world applicability.  ...  Acknowledgments We thank Michael Wulkow for his collaboration on the ODE model and its parametrization using PREDICI, and Michael Dellnitz for joint discussions regarding the Pareto front and its numerical  ... 
doi:10.1371/journal.pone.0249676 pmid:33887760 pmcid:PMC8062158 fatcat:nvrskbouhbg3hae2ysk7e7a5ea

Nonlinear statistical iterative reconstruction for propagation-based phase-contrast tomography

Lorenz Hehn, Kaye Morgan, Pidassa Bidola, Wolfgang Noichl, Regine Gradl, Martin Dierolf, Peter B. Noël, Franz Pfeiffer
2018 APL Bioengineering  
With the use of statistical weights in our noise model, we can account for these materials and recover features in the vicinity of the highly absorbing features that are lost in the conventional two-step  ...  With a statistical approach acting directly on the measured intensities, we find an unconstrained nonlinear optimization formulation whose solution yields the three-dimensional distribution of the sample  ...  If as a special case we assume a non-absorbing object l i ¼ 0 and recover the phase from its trace, namely, / i ¼ ÀkdT i , we are left with a forward model whose analytical solution coincides with the  ... 
doi:10.1063/1.4990387 pmid:31069290 pmcid:PMC6481703 fatcat:you573dl5rbzlldaqvtpnmpmsa

DIST: Rendering Deep Implicit Signed Distance Function with Differentiable Sphere Tracing [article]

Shaohui Liu, Yinda Zhang, Songyou Peng, Boxin Shi, Marc Pollefeys, Zhaopeng Cui
2020 arXiv   pre-print
We show that our rendering method can effectively reconstruct accurate 3D shapes from various inputs, such as sparse depth and multi-view images, through inverse optimization.  ...  We propose a differentiable sphere tracing algorithm to bridge the gap between inverse graphics methods and the recently proposed deep learning based implicit signed distance function.  ...  We take a pre-trained DeepSDF [35] model and run geometry based optimization to recover the 3D shape and camera extrinsics separately using our differentiable renderer.  ... 
arXiv:1911.13225v2 fatcat:rskpvvh7yrbyzhixlg744emk3m

Neural Radiance Transfer Fields for Relightable Novel-view Synthesis with Global Illumination [article]

Linjie Lyu, Ayush Tewari, Thomas Leimkuehler, Marc Habermann, Christian Theobalt
2022 arXiv   pre-print
On the other hand, mature Computer Graphics tools allow modeling of complex photo-realistic light transport given all the scene parameters.  ...  Results show that the recovered disentanglement of scene parameters improves significantly over the current state of the art and, thus, also our re-rendering results are more realistic and accurate.  ...  Methods have explored different ways of modeling indirect illumination using path tracing.  ... 
arXiv:2207.13607v1 fatcat:bktow7ydnjhftimswdmwwtplna

Recovering Fine Details for Neural Implicit Surface Reconstruction [article]

Decai Chen, Peng Zhang, Ingo Feldmann, Oliver Schreer, Peter Eisert
2022 arXiv   pre-print
Learning implicit neural surfaces using volume rendering has gained popularity in multi-view reconstruction without 3D supervision.  ...  However, accurately recovering fine details is still challenging, due to the underlying ambiguity of geometry and appearance representation.  ...  In surface rendering-based neural reconstruction [33, 37] , differentiable ray tracing is commonly used to find the intersection point between a camera ray and object surface.  ... 
arXiv:2211.11320v1 fatcat:juqvz5w7w5bzdp3uqcpgk77esa
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