灰度级

首先把RGB颜色的三个分量分别量化至不同的灰度级，并作归一化处理；然后使用中心正交梯度描述子，按分块构造梯度直方图。

Firstly , the three components of RGB color are quantified into different grayscale and normalized respectively . Then using orthogonal gradient descriptors construct gradient histogram in blocks .

仿真结果表明，该方法的效率明显优于标准的FCM算去。最后，本文又基于SAR图像灰度级分布模型，提出了一种结合空间信息模糊域图像分割方法。

The simulation results show that the efficiency of the method is superior to the standard FCM algorithm . Finally , the paper is based on SAR image grayscale distribution model , this paper proposes a fuzzy domain image segmentation method combined with spatial information .

256灰度级LED大屏幕视频控制器

Large screen LED video controller with 256 gray levels

线扫描X射线成象物质真实灰度级数学模型研究

Study on mathematical model for true gray level of X-ray-scanning images of object

基于Matlab的灰度级线性变换图像增强

Gray-Level Linear Transformations Image Enhancement Based on Matlab

解决了LCD中灰度级γ校正问题。

The problem of gray-level Gamma correction in LCD is solved .

一种4灰度级LCD驱动芯片的设计研究

Design of a 4-Level Gral Scale LCD Driver

一种新的ACPDP低灰度级图像增强方法及SoC实现

A novel method and SoC implementation for improving low gray image in AC PDP

用FPGA实现OLED灰度级显示

Realizing the Gray-scale Display in OLED Using FPGA

基于矢量量化及Hopfield模型的灰度级图像识别

Gray Image Recognition Based on Vector Quantization and Hopfield Network Model

基于混叠DCT频域灰度级盲水印多重嵌入算法

Multiple Embedded Algorithm with Grey-level Blind Watermarking in DCT Frequency Domain Based on Aliasing Spectrum

利用DWT压缩编码技术，有效地减少了灰度级水印的数据量。

The data payload of gray-level watermark can be greatly reduced by DWT compression .

DMD全息系统重构灰度级分数傅立叶全息图

DMD holograph system realize gray-level hologram reconstruction of fractional fourier transform

同时还针对256灰度级图像设计出一种基于FPGA的高速、高质量的硬件图像放大及显示系统。

And it designs a fast and high quality image enlargement and displays system based on dynamic reconfigurable FPGA for the images in 256 gray levels .

为获取SAR图像，需要进行灰度级压缩并缩小图像，截取ROI以获得研究所需的一部分。

In order to get target SAR images , we should compress the gray-scale and size of images and then cut out ROI .

仿真结果表明，准备期动态修正CLEAR技术在消除动态假轮廓的同时，增强了对低灰度级图像的显示能力，并且最大限度地提高了整幅图像的显示质量。

Simulation results show that CLEAR technique enhances the capability of displaying the image with low grey level , and improves farthest the display quality of the whole image while eliminating the dynamic false contour .

研究了PV插值法导致错误配准的原因，提出了通过调整灰度级数来避免。

Researched the reason why PV interpolation may lead to wrong registration , and suggested to reduce gray levels to avoid the problem .

基于DWT-DCT和Zernike矩的灰度级鲁棒性水印算法

A Gray Level Watermarking Algorithm Based on DWT-DCT and Zernike Moments

利用JPEG方法对图像进行压缩，并采用直方图相交匹配函数求得图像灰度级的匹配程度。

The JPEG compress method was applied , and the histogram cross matching function was used to measure the matching degree in this research .

激光刻字机输出多灰度级TIF图象的方法

A way of carve poly-gray level TIF image on the laser carving machine

本文从低功耗、高成品率、多灰度级、彩色滤色器高性能和宽视角等五个方面概要介绍有源矩阵液晶显示器（AM－LCD）近年来的发展动向。

The recent developments of AM-LCDs are introduced in respects of low power consumption , high yield , high gray shade , high performance of color filter , and wide viewing angle .

讨论了BMP图象格式的使用技巧，利用灰度级确定弹着点中心位置以及去除噪声斑点的计算机处理方法。

It also discusses the usage of bmp format and image processing techniques such as determining the centering points of hits using gradation , and erasing noises .

开发了一种利用反γ修正子场编码增强彩色等离子体显示器（PDP）动态低灰度级图像的技术。

The technology that enhances the dynamic low gray levels by the inverse-gamma relation subfields code was developed in color plasma display panel ( PDP ) .

本文提出的灰度级转换算法（GSC）是一种实时的数字运算技术。

The Grey Scale Conversion ( GSC ) algorithm proposed in this paper is a real time digital operation .

根据人眼视觉惰性原理，采用脉宽调制（PWM）的控制方式实现了对LED亮度的数字控制，实现了对颜色灰度级的控制和调节；

According to the inertia of eyes , the paper applies pulse width modulation , PWM for short , to control the bright of LED and that is numerical control , through which the gray degree is controlled and adjusted .

文中提出了一种改进的Otsu图像序列分割算法，在横向时间轴上合理增大采样间隔，把纵向灰度级上的运算压缩到灰度集中区。

The paper proposed an improving Otsu image sequence segmentation algorithm , the algorithm compress calculation by compressing gray-scale range and increasing the sample interval in the image plane .

该方法利用图像直方图计算各灰度级下的Fisher评价函数值，其最大值即对应于最佳分割阈值。

In the new method , the image gray histogram is used to compute Fisher criterion function value of all gray grades , and the optimal threshold is determined at the maximum value of Fisher criterion function .

介绍了VGATFTLCD驱动电路的设计思想、所使用的行反转驱动方法及其优点、数据驱动器的工作原理和灰度级实现方法以及扫描驱动器的工作原理。

Designing rules of VGA TFT LCD are presented . Line inversion driving method is used in the module and its advantages are described . Principles of data driver and scan driver , realizing of gray scale are also explained .

将色彩的对比理论运用到伪彩色技术中，提出了基于IHS颜色空间的非等色差伪彩色编码方法，该方法得到的相邻灰度级对应的色彩具有较大的差别。

Using theory of color contrast in pseudo-color technology , non-equal chromatic aberration pseudo-color coding methods are given . There is a great difference between corresponding colors of neighboring gray levels that is obtained by these methods .

提出了分区矩阵数据驱动方法，并对分区矩阵开关TFT进行了设计，输出特性曲线表明，满足4灰度级分辨率显示要求。

Data driving circuit of the divided matrix switches is put forward and the TFT size of divided matrix switches are designed . The curves of output characteristics show that the requirements of four gray-level LCD are meet .