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- Results We propose a method of local histogram equalization-brightness preserving tri-bidirectional histogram equalization. 结果实现了一种局部直方图均衡化算法亮度保持三元双向直方图均衡化。
- contrast limited local histogram equalization (CLAHE) 对比度受限局部直方图均衡（CLAHE）
- local histogram equalization 局部直方图均衡
- Experimental results demonstrate this method is better than histogram equalization under this circumstance. 实验结果表明，与直方图均衡方法相比，此方法效果较佳。
- The image enhanced by traditional histogram equalization is over-bright in the high gray area. 摘要常规直方图均衡化增强后的图像在高灰度区有过亮的感觉。
- Three helper extractors are used: global histogram, local histogram and gabor filter. 这种力量是不能被小窥的。
- In order to enhance contrast of scenery images degraded by fog, an interpolating sell-adaptive histogram equalization algorithm was proposed. 摘要为解决雾天图像低对比度问题，提出一种插值自适应直方图均衡化算法。
- This paper proposes a scheme for steel detection based on a combination of bilateral filtering and adaptive histogram equalization. 摘要提出双边滤波结合自适应直方图均衡化方法在钢筋检测中的工业应用。
- Results Through the gray-level histogram equalization,the detail and the edge of medical digital images could be enhanced. 结果通过直方图均衡增强能改善医学灰阶图像的层次感,提高图像细节的可识别性和边缘特征。
- This paper presents a new image fusion scheme based on local histogram matching filtering techniques for fusing high-resolution panchromatic and multi-spectral images. 本文提出了一种基于局部直方图匹配滤波技术的影像融合新方法。
- Image preprocess In star algorithm the image preprocess includes 3 operations, which are histogram equalization, contrast stretch and 5x5 neighborhood averagesmoothing. 图像预处理 星形算法的图像预处理包括三步,灰度直方图均衡、对比度增强和5×5像素平滑。
- Methods: We adopt methods of image subtraction, grid interpolation and histogram equalization in order to eliminate errors induced by the optical system. 方法：分别采用图像相减，栅格插值及直方图均衡法消除了光学系统所产生的误差。
- Second the original images were preprocessed by Gaussian filter and contrast-limited adaptive histogram equalization(CLAHE)method to weaken the effect of noise,light and contrast. 然后采用高斯滤波和有限对比适应性直方均衡化(CLAHE)对图像进行预处理,以削弱噪声、光照和对比度的影响;
- With the aid of examples such as histogram equalization analysis and spatial filtering, this article explains the application of MATLAB in Image processing. 本文通过直方图均衡、空间域滤波两个例子说明了MATLAB在数字图像处理教学中的应用。
- 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. 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。
- The region histogram equalization is different from traditional histogram modification technology, the idea is based on human vision character and edge effect in image vision. 区域间直方图均衡不同于传统的直方图修正技术,该思想是充分地考虑到人类的视觉特性和边缘在图像视觉中的作用而提出的。
- A new schemer for ultrasound image contrast enhancement using wavelet-based histogram equalization was presented to deal with the sonogram images with too low in contract and too dark for the naked eye. 针对超声图像对比度低、成像质量差的问题,提出了一种基于小波变换的直方图均衡算法,用于超声图像对比度增强,并使信息熵有很大提高。
- Methods Based on improving of traditional histogram equalization, the proposed method adopts the minimum mean brightness error bi-histogram equalization and an effective intersected point. 方法在改进常规直方图均衡化算法的基础上,以最小灰度平均值误差二元直方图均衡化为基础,引入另一个有效分割点。
- For this reason, region histogram equalization is advanced in the thesis, this method can improve edge slope and contrast at one time, furthermore, it can restrain noise in smooth regions. 为此本文又提出了区域间直方图均衡的增强方法,具有在改变边缘两侧对比度的同时提高边缘的斜率,而且还能抑制平滑区的噪声。
- Histogram equalization is classical approach of image enhancement.But we usually equipoise the whole image one time, that will bring on insufficiency on the minutia part's enhancement. 摘要直方图均衡是图像增强的经典方法，但通常都是简单地对整幅图像做一次均衡，这样势必对细节部分增强得不够。
