It demonstrates the scale invariance of normalized Laplacian-of-Gaussian image derivatives,which provides theoretical fundament for characteristic scales.
证明了规范化LoG图像导数的尺度不变性,为特征尺度的确定提供了理论基础。
参考来源 - 图像局部不变特征提取技术研究及其应用Scale invariance with the object known as fractal.
具有标度不变性的客体称为分形。
参考来源 - 遂宁—阿坝低密度测氡及地球化学场的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Scale invariance can be described by means of fractal and multifractal models.
尺度不变性可用分形和多重分形模型来表征。
So a method of image recognition with rotation and scale invariance is required to satisfy the practical application.
因此，需要寻找一种具有旋转和比例不变性的图像识别方法，以满足实际应用中的需要。
In fact, the image shift, scale, rotation invariance problems encountered in some pattern recognition tasks can easily be solved in this system.
事实上，某些图像识别任务碰到的图像位移、尺寸、旋转不变性问题，本系统可容易地予以解决。
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