传统的直方图均衡和灰度变换增强算法，不能针对红外图像的目标进行有效地增强。
Traditional histogram equalization and gray-scale transformation algorithms can't realize the enhancement of the target in the infrared image effectively.
为了定位特征值的指向，会使用到一个计算出的周围特征值的变换指向直方图来表示。
To determine the keypoint orientation, a gradient orientation histogram is computed in the neighbourhood of the keypoint.
该方法首先将原始图像变换到CIELAB颜色空间，然后对所得图像的L和a分量分别进行直方图统计。
Firstly, it turns the original image into CIELAB color space, then computes histograms of L and a separately.
我自己编写，直方图修正和彩色变换源代码。
I have written, histogram correction and color transform the source code.
介绍了超声医学图像灰度校正常用方法的基本原理，这些方法主要有灰度级校正、灰度变换及直方图修正。
The general theories of gray correction methods for the medical ultrasonic image are introduced in this paper, including gray level correction, gray level transformation and histogram correction.
改进的PRI变换法克服了直方图统计法的子谐波问题，对脉冲重复间隔具有很高的估计精度，且具有一定的抗抖动能力。
The improved PRI transform estimates PRI with high precision, overcomes the sub-harmonic problem produced in the histogram methods, and has a better performance on anti-jitter.
细胞图像增强主要采用灰度变换、直方图修正、图像平滑、图像锐化等方法。
The method of enhancing the cell image includes gray-scale transformation, histogram modification, image smoothing and image sharpening etc.
细胞图象增强主要采用灰度变换、直方图修正、图象平滑、图象锐化等方法。
The method of enhancing the cell image include gray-scale transformation, histogram modification, image smoothing and image sharpening etc.
基于JPEG图像的离散余弦变换（DCT）系数直方图差值序列，提出一种新的检测JPEGMB2隐写术的方法。
Based on the Discrete Cosine Transform (DCT) coefficient histogram difference sequences of JPEG images, a new steganalytic method was proposed to realize the steganalysis of JPEG MB2.
首先，在变换空间建立色度直方图表示图像的颜色分布特征。
First, hue histogram is generated which represents the distribution of hue values in an image in transformed space.
说明：MFC灰度图像处理，包括打开显示，滤波，二值化，直方图，几何变换等。
MFC gray-scale image processing, including open display, filtering, binarization, histogram, geometric transformations, etc.
利用自开发软件，对图像进行灰度变换和直方图均衡化处理后，采用频域同态滤波的方法对图像进行降噪滤波处理。
After the gray transformation and the histogram equalization, these images were filtered by a frequency-domain homomorphic filter, hence noises in the images were greatly reduced.
采用图像去噪、灰度变换、直方图均衡化以及非均匀背景修正技术等提高了原始图像成分的清晰度，使图像变得更便于计算机分析和处理。
The use of image denoising, gray-scale transformation, histogram equalization, and uneven background correction techniques make the image more easily processed and analyzed.
眼底图像的预处理系统包括：彩色图像的处理、图像的几何变换以及图像的直方图均衡、图像的平滑化及锐化处理等增强功能。
Fundus image preprocessing system consists of Color image processing, image geometric transformation and the image histogram equalization, the image smooth and sharpen enhancement function.
此文主要研究用于增强图像的灰度变换方法，包括线性灰度变换、非线性灰度变换与直方图均衡化方法。
This paper mainly tells us the ways of image gray transformation, including linear gray transformation, nonlinear gray transformation and the approach of histogram equalization.
传统的图像增强方法有灰度变换、直方图修正、直方图均衡、图像平滑和维纳滤波。
The traditional image enhancement approaches include gray-scale transformation, histogram modification, histogram equalization, image smoothing and Wiener filtration.
文中讨论基于脉冲重复间隔(pri)的脉冲分选算法，深入分析了基于直方图统计算法和PRI变换算法的优缺点，并对算法进行计算机仿真。
In this paper, methods of sorting of radar pulses based on PRI are discussed. The histogram statistics algorithms and PRI transfer algorithm are analyzed and simulated.
文中讨论基于脉冲重复间隔(pri)的脉冲分选算法，深入分析了基于直方图统计算法和PRI变换算法的优缺点，并对算法进行计算机仿真。
In this paper, methods of sorting of radar pulses based on PRI are discussed. The histogram statistics algorithms and PRI transfer algorithm are analyzed and simulated.
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