The geometry hashing technic is used to enhance the geometry constraint of interest points in order to improve the matching result.
通过几何哈希技术加强兴趣点间的几何约束，以增加正确匹配的兴趣点对数量。
Geometry constraint solution problem is the core of intellect CAD system. Here a new method was proposed for solving it based on the idea of assembling the divided components.
几何约束求解是智能CAD的核心问题，在研究装配模型的基础上提出了一种基于组件思想的约束求解策略。
To deal with low efficiency and veracity of the automatic geometry constraint recognition technology, a multi-layer automatic geometry constraint recognition algorithm was proposed.
针对基于几何约束自动识别的零部件精确定位技术中存在的识别效率和准确性不高的问题，提出了一种分层的几何约束自动识别方法。
This paper introduces a method which uses geometry reasoning & degrees of freedom calculating based on constraint driven to solve the problem of checking over constraint & under constraint.
采用基于约束驱动的几何推理和自由度计算方法，设计了约束检查策略与算法，解决了过约束与欠约束检查问题。
On this basis of geometry model and assembly model, this model integrates design parameters of the parts, constraint relationship of the parameters, force situation, mechanics characteristics.
该模型在产品几何模型和装配模型的基础上集成了零部件设计参数、参数之间的约束关系、受力状况、力学性能。
Parametric geometry modeling technique based on constraint is a kind of new typed rapid method of modeling.
基于约束的参数化几何造型技术是一种新型、快速的造型方法。
Constraint solver is the conversion from dependence relationship of features to geometry or engineering expression, then achieve the design by solving the constraint.
约束求解是将特征间的相互依赖关系映射为几何或工程约束描述，通过求解约束实现设计对象的细节。
The main problems of Parameter design are abstraction and expression of the geometric constraint relationship, solver of geometric constraint and creation of geometry model.
参数化设计的关键是几何约束关系的提取和表达，几何约束的求解及参数化几何模型构造。
The paper provides a method to drive geometric object based on the constraint and engineering relations in designing a geometry model.
本文系统地阐述了一种在进行几何型体设计时用约束关系和工程关系来驱动几何型体的方法。
The paper provides a method to drive geometric object based on the constraint and engineering relations in designing a geometry model.
本文系统地阐述了一种在进行几何型体设计时用约束关系和工程关系来驱动几何型体的方法。
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