视觉不变量是指那些对于尺度变化、物体移动、旋转、放射、透视变化仍保持不变的特征。
Visual invariants are those changes in scale, moving, rotating, radiation, the perspective changes remain invariant feature.
视觉是人类最完善的感知系统，基于视觉不变量的平面目标识别方法近年来得到广泛的关注。
Vision is the best perception system of human. Vision invariants for planar object recognition catch our attention.
视觉不变量理论是十九世纪八十年代末将不变量理论引入到计算机视觉研究领域中形成的一个研究方向。
Visual invariant theory is eighteen eighties at the end of the invariant theory is introduced to a research direction in the field of computer vision research.
交比是和射影变换有关的一个基本不变量，利用交比不变性的计算来揭示场景的本质特征也是计算机视觉研究的一个热点。
To discover intrinsic properties of a scene by using the computation of cross ratio invariance has been one of the most hot research areas in computer vision fields.
图像不变量特征的提取与构造是模式识别和计算机视觉领域中的关键技术之一。
Extracting or construction of the invariant features is one of the key technologies in the field of pattern recognition and computer vision.
投影不变量具有与视点和摄像机内外参数无关等优点，正逐渐成为计算机视觉研究的常用工具。
Projective invariants are independent of viewpoints, intrinsic and extrinsic camera parameters and common used in computer vision gradually.
仿射变换下的点模式匹配和参数估计是计算机视觉中的重要研究课题，其关键是寻找对仿射变换不变的不变量。
Matching and parameter estimation of two point-patterns under an affine transform is a very important research topic in the field of computer vision.
仿射变换下的点模式匹配和参数估计是计算机视觉中的重要研究课题，其关键是寻找对仿射变换不变的不变量。
Matching and parameter estimation of two point-patterns under an affine transform is a very important research topic in the field of computer vision.
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