1) illuminant direction estimation
光照方向估计
1.
The paper analysed the current approaches for illuminant direction estimation, presented two improved approaches for illuminant direction estimation: improved Pentland s approach and approach of weighted mean.
光照方向估计是计算机视觉的重要研究内容 。
2) illumination estimation
光照估计
1.
There are two steps in the algorithm: illumination estimation and illumination normalization.
算法分两步进行:光照估计和光照补偿。
3) illuminant direction
光照方向
1.
In order to ensure the security of image content,this paper presents a blind identification method based on the consistency of illuminant direction to identify the image authenticity.
图像篡改破坏了自然图像的光照一致性,为了保证图像内容的安全性,提出一种基于光照方向一致性的图像盲鉴别方法鉴别图像真伪。
4) orientation estimation
方向估计
1.
Orientation Estimation and Tensor Voting Algorithms and X Ray Imaging;
方向估计和张量投票算法及X射线成像的研究
2.
Optimization and improvements are made on the existing orientation estimation of fingerprint area based on the Sobel operator.
对目前基于Sobel算子的指纹区域的方向估计进行了优化和改进,并提出了一种全新的投票加权的指纹方向校正方法,利用Poincare方法求奇异点时的部分结果校正错误的方向,在提高了算法速度的同时也获得了准确的指纹方向图,指纹图像增强的结果显示了本算法的优越性,具有很强的实用价值。
3.
An accurate calculation method to the degenerating diffusion term in this model is proposed,adopting two new orientation estimation methods-one based on the Hessian matrix and one based on tensor-and then making a comparison between the two.
提出了模型中退化扩散项的精确计算方法,并采用了两种新的方向估计方法。
5) DOA estimation
方向估计
1.
In the paper,1 D Root MUSIC is generalized to 2 D case which utilizes 1 D Root MUSIC,and the new 2 D DOA estimation method has the advantage of low computation cost.
将一维Ｒｏｏｔ－ＭＵＳＩＣ推广到二维，从而得到了一种新的二维方向估计方法，它具有计算量小的优点。
6) bearing estimate
方向角估计
补充资料：X光照相机
x光照相机
x-ray camera
记录x光像的照相机，直接拍摄用的属暗箱之一种。间接拍摄用照相机，可用大口径镜头将萤光板上的x光像特写下来。总之，它是和x光诊断装置构成一体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条