Search Results - "Zhu, Yecheng"

Stability of spacelike surfaces with constant mean curvature in Lorentzian manifolds by Zhu, Yecheng

“…In this paper, we study the stability of spacelike surfaces with constant mean curvature in Lorentzian manifolds, and get some topological and geometric…”
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SynSig2Vec: Forgery-Free Learning of Dynamic Signature Representations by Sigma Lognormal-Based Synthesis and 1D CNN by Lai, Songxuan, Jin, Lianwen, Zhu, Yecheng, Li, Zhe, Lin, Luojun

“…Handwritten signature verification is a challenging task because signatures of a writer may be skillfully imitated by a forger. As skilled forgeries are…”
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Research on the Weight Removing Model and Control Method for the Unbalance Vector of Thin Disc Workpiece by Zhang, Shihai, Zhu, Yecheng, Zhang, Zimiao

“…Aiming at the structuring characteristics of thin disc workpiece, we propose the weight removing model and control methods to reduce the mass unbalance vector…”
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Estimates for the First Eigenvalue of $${\mathfrak {L}}$$-Operator on Self-shrinkers by Zhu, Yecheng

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Estimates for the First Eigenvalue of L-Operator on Self-shrinkers by Zhu, Yecheng

“…In this paper, we investigate the Dirichlet and Neumann eigenvalue problems in bounded domains on a complete self-shrinker, then we get some lower bound…”
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Encoding Pathlet and SIFT Features With Bagged VLAD for Historical Writer Identification by Lai, Songxuan, Zhu, Yecheng, Jin, Lianwen

“…Offline writer identification plays an important role in forensic document examination and historical document analysis. Today, challenges still exist in…”
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DsDTW: Local Representation Learning With Deep soft-DTW for Dynamic Signature Verification by Jiang, Jiajia, Lai, Songxuan, Jin, Lianwen, Zhu, Yecheng

“…Dynamic time warping (DTW) is a popular technique for sequence alignment, and is the de facto standard for dynamic signature verification. In this paper, we go…”
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Forgery-free signature verification with stroke-aware cycle-consistent generative adversarial network by Jiang, Jiajia, Lai, Songxuan, Jin, Lianwen, Zhu, Yecheng, Zhang, Jiaxin, Chen, Bangdong

“…In recent years, the performance of handwritten signature verification (HSV) has been considerably improved by deep learning methods. However, deep HSV still…”
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Gradient Estimates for the Positive Solutions of Lu=0 on Self-Shrinkers by Zhu, Yecheng, Chen, Qing

“…In this paper, we investigate the positive solutions of L u = 0 on a self-shrinker. First, we prove a global gradient estimate for the positive solutions, and…”
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Gradient Estimates for the Positive Solutions of $$\mathfrak {L}u=0$$ L u = 0 on Self-Shrinkers by Zhu, Yecheng, Chen, Qing

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Gradient Estimates for the Positive Solutions of L u = 0 on Self-Shrinkers by Zhu, Yecheng, Chen, Qing

“…In this paper, we investigate the positive solutions of Lu=0 on a self-shrinker. First, we prove a global gradient estimate for the positive solutions, and…”
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Ricci curvature of spacelike hypersurfaces in de Sitter space by Zhu, Yecheng

“…In this paper, we study the spacelike hypersurfaces in de Sitter space S1n+1(c), and give some estimates on the Ricci curvature tensor and the square of its…”
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SVC-onGoing: Signature verification competition by Tolosana, Ruben, Vera-Rodriguez, Ruben, Gonzalez-Garcia, Carlos, Fierrez, Julian, Morales, Aythami, Ortega-Garcia, Javier, Carlos Ruiz-Garcia, Juan, Romero-Tapiador, Sergio, Rengifo, Santiago, Caruana, Miguel, Jiang, Jiajia, Lai, Songxuan, Jin, Lianwen, Zhu, Yecheng, Galbally, Javier, Diaz, Moises, Angel Ferrer, Miguel, Gomez-Barrero, Marta, Hodashinsky, Ilya, Sarin, Konstantin, Slezkin, Artem, Bardamova, Marina, Svetlakov, Mikhail, Saleem, Mohammad, Lia Szcs, Cintia, Kovari, Bence, Pulsmeyer, Falk, Wehbi, Mohamad, Zanca, Dario, Ahmad, Sumaiya, Mishra, Sarthak, Jabin, Suraiya

“…•SVC-onGoing is the first on-going competition for on-line signature verification.•Researchers can easily benchmark their systems using public databases and…”
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Complete bounded λ-hypersurfaces in the weighted volume-preserving mean curvature flow by Zhu, Yecheng, Fang, Yi, Chen, Qing

“…In this paper, we study the complete bounded λ-hypersurfaces in the weighted volume-preserving mean curvature flow. Firstly, we investigate the volume…”
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Spacelike hypersurfaces in de Sitter space by Zhu, Yecheng

“…In this paper, we study the close spacelike hypersurfaces in de Sitter space. Using Bonnet-Myer's theorem, we prove a rigidity theorem for spacelike…”
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Some generalized comparison results in Finsler geometry and their applications by Zhu, Yecheng, Hu, Wenming

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Improving Attention-Based Handwritten Mathematical Expression Recognition with Scale Augmentation and Drop Attention by Li, Zhe, Jin, Lianwen, Lai, Songxuan, Zhu, Yecheng

“…Handwritten mathematical expression recognition (HMER) is an important research direction in handwriting recognition. The performance of HMER suffers from the…”
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Point-to-Set Similarity Based Deep Metric Learning for Offline Signature Verification by Zhu, Yecheng, Lai, Songxuan, Li, Zhe, Jin, Lianwen

“…Offline signature verification is a challenging task, where the scarcity of the signature data per writer makes it a few-shot problem. We found that previous…”
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Improving Attention-Based Handwritten Mathematical Expression Recognition with Scale Augmentation and Drop Attention by Li, Zhe, Jin, Lianwen, Lai, Songxuan, Zhu, Yecheng

“…Handwritten mathematical expression recognition (HMER) is an important research direction in handwriting recognition. The performance of HMER suffers from the…”
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SynSig2Vec: Learning Representations from Synthetic Dynamic Signatures for Real-world Verification by Lai, Songxuan, Jin, Lianwen, Lin, Luojun, Zhu, Yecheng, Mao, Huiyun

“…An open research problem in automatic signature verification is the skilled forgery attacks. However, the skilled forgeries are very difficult to acquire for…”
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