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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An active contour model with local variance force term and its efficient minimization solver for multi-phase image
局部方差力项 活动轮廓模型 多相图像 最小化求解器
2023/5/8
In this work, we propose an active contour model with a local variance force (LVF) term that can be applied to multi-phase image segmentation problems. With the LVF, the proposed model is very effecti...
A VARIANT OF POINT-TO-PLANE REGISTRATION INCLUDING CYCLE MINIMIZATION
Vision Registration Surface Large Three-dimensional
2015/8/31
3D models are very important in many industrial and scientific applications. Most part of commercial sensors obtain only a partial acquisition of the object, so that a set of views are required to bui...
A VARIANT OF POINT-TO-PLANE REGISTRATION INCLUDING CYCLE MINIMIZATION
Vision Registration Surface Large Three-dimensional
2015/8/28
3D models are very important in many industrial and scientific applications. Most part of commercial sensors obtain only a partial acquisition of the object, so that a set of views are required to bui...
A rank minimization heuristic with application to minimum order system approximation
Variable control system analysis and controller synthesis matrix rank linear matrix inequality (lmi) the positive semi-definite matrix variables
2015/8/11
Several problems arising in control system analysis and design, such as reduced order controller synthesis, involve minimizing the rank of a matrix variable subject to linear matrix inequality (LMI) c...
Log-det heuristic for matrix rank minimization with applications to Hankel and Euclidean distance matrices
Positive semi-definite matrix convex sets functions half positive definite matrix distance data
2015/8/11
We present a heuristic for minimizing the rank of a positive semidefinite matrix over a convex set. We use the logarithm of the determinant as a smooth approximation for rank, and locally minimize thi...
Rank minimization and applications in system theory
Matrix the convex set system identification statistics signal processing
2015/8/11
In this tutorial paper, we consider the problem of minimizing the rank of a matrix over a convex set. The Rank Minimization Problem (RMP) arises in diverse areas such as control, system identification...
Comparative Study of 3D Wing Drag Minimization by Different Optimization Techniques
3D Wing Drag Minimization Diff erent Optimization Techniques
2015/7/2
The main goal of this paper is to document a comparative study of different CFD based optimization techniques applied to the so lution of a 3D wing drag minimization problem.
Quasi-five point algorithm with non-linear minimization
Five Point Algorithm Relative Orientation UAV
2014/7/30
Five-point algorithm is a powerful tool for relative orientation, because it requires no initial assumption of camera position. This algorithm determines an essential matrix from five point correspond...
A full-color image on field sequential color (FSC) displays is composed of color fields in temporal sequence. With the FSC mechanism, color filters of liquid crystal displays (LCDs) can be removed to ...
A New Model of Random Regret Minimization
Discrete Choice Analysis Random Regret Minimization semi-compensatory choice choice set-specific preferences
2010/8/16
A new choice model is derived, rooted in the framework of Random Regret Minimization (RRM). The proposed model postulates that when choosing, people anticipate and aim to minimize regret. Whereas prev...
Experimental Demonstration of a Nonlinear Effects Crosstalk Minimization Algorithm
All-optical networks Nonlinear optics
2015/6/4
A nonlinear crosstalk minimization algorithm that simultaneously considers SPM, XPM and FWM is presented and experimentally assessed. For a PON worst-case scenario a 1dB power gain is obtained for a B...
A discrete firefly meta-heuristic with local search for makespan minimization in permutation flow shop scheduling problems
Meta-heuristic Firefly meta-heuristic Ant colony Permutation flow shop
2010/9/14
During the past two decades, there have been increasing interests on permutation flow shop with different types of objective functions such as minimizing the makespan, the weighted mean flow-time etc....
Time Minimization of CNC Part Programs in a Vertical Machining Center in Terms of Tool Path and Cutting Parameter Criteria
Cutting parameters Tool path planning Machining time NC program
2009/10/10
An algorithm was prepared for minimizing the machining time of CNC part programs used in a vertical machining center. The CNC program is transferred from the machine to the CNC code editor with a seri...
Minimization Problem in Model Predictive Control Using a Modified Simplex Method
Simplex method Minimization of absolute value 1-Norm minimization Predictive control
2009/10/9
Since the simplex method requires the polyhedron to be in the positive domain, the 1-norm minimization problems are formulated by substantially increasing the size of the linear programming (LP) probl...
Geometric Hermite Curves Based on Curvature Variation Minimization
curvature variation geometric smoothness Hermite
2009/8/19
Based on the smoothness criterion of minimum curvature variation of the curve, tangent angle constraints guaranteeing an optimized geometric Hermite (OGH) curve both mathematically and geometrically s...