invariant

英 [ɪnˈveəriənt]

美 [ɪnˈveriənt]

adj.  不变的; 恒定的

复数：invariants　

BNC.26080 / COCA.27422

牛津词典

adj.

• 不变的；恒定的
  always the same; never changing

英英释义

noun

• a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it

adj

• unvarying in nature
  1. maintained a constant temperature
  2. principles of unvarying validity
  Synonym:changelessconstantunvarying
• unaffected by a designated operation or transformation

双语例句

• The invariant tensor under projective transformations of semi-symmetric metric-recurrent connections is obtained.
  给出了半对称度量循环联络在射影变换下的不变张量。
• This paper presents a novel object tracking method based on SIFT ( scale invariant feature transform) feature matching.
  提出一种基于尺度不变特征变换（SIFT）特征匹配的目标跟踪方法。
• The experimental results demonstrate that this method is invariant to rotation without relying on the center of the fingerprint.
  实验结果表明，该算法不依赖指纹的中心点，具有旋转不变性。
• Determining Set and Sampling Theorem in the Shift Invariant Subspace
  有决定集和平移不变子空间中抽样定理
• It is presented that one hierarchical method based on invariant feature for object recognition and location in complex background.
  提出利用目标的局部特征不变量，在复杂背景下对目标进行识别和定位的层次方法。
• Invariant corner detection is a most important preprocessing step for image shape classification and recognition.
  在图像形态分类与识别系统中，不变性角点检测是很重要的预处理环节。
• The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function.
  仿射变换后的汉字或其它图像可用多尺度小波的仿射不变函数进行对比识别。
• An improved de-noising arithmetic is put forward by combining the new threshold function and translation invariant wavelet de-noising method.
  将这种新的阈值函数与平移不变小波去噪法结合起来，提出了一种基于平移不变小波去噪的改进算法。
• Invariant corner features are often used in pattern recognition.
  拐点特征是模式识别中经常用到的一类不变量。
• The first invariant of strain is independent of the coordinate system being used.
  第一应变不变量与所用的坐标系无关。