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- sonar image enhancement 声纳图像增强
- The sonar image has the complex background, bad contras and deteriorate edges. 摘要 声纳图像背景复杂，对比度差，边缘恶化，不易判读图像边缘。
- Sonar Image Edge Enhancement Using Rough Sets 利用粗集理论的声呐图像边缘锐化
- Experiment result proves that the method is a useful image enhancement method. 实验结果表明,该方法是一种有效的图像增强方法。
- Disregarding systematic errors, acoustic intensity of sidescan sonar image shall be compared relatively. 在不考量侧扫声纳仪器本身的误差，海床影像的成像强度为相对性并非绝对。
- The simulation of high-frequency multibeam sonar image is the main task in the dissertation. 高分辨多波束声纳图像的仿真是本文的主要任务。
- In this paper, we proposed a method of wavelet image enhancement based on modulus square processing to achieve a better visual effect. 为了更好地保证图像的整体增强效果，该文提出一种基于模平方处理的小波图像增强方法。
- Mignotte,C Collet.Three-class Markovian segmentation of high-resolution sonar image[J].Computer Vision and Image Understanding 1999,76(3):191-204. 郭海涛孙大军等.;属性直方图及其在声纳图像模糊增强中的应用[J]
- A method of image enhancement denoising is descibed based on wavelet transform and threshold shrinkage. 摘要提出了一种基于小波变换与阀值收缩法的图像增强去噪方法。
- The circular sampling FRIT is first used in the sonar image denoising technique, and makes high improvement to heighten the Signal Noise Ratio. 将FRIT处理技术应用在水下声纳图像去噪技术中，基于该方法提出循环抽样FRIT去噪算法，提高了处理结果的信噪比及边缘保持效果。
- Focused on the wavelet analysis in image enhancement, noise reduction, compression and fusion. 重点论述了小波分析在图像增强、降噪、压缩和融合中的应用。
- Histogram modifications and the forward and backward (FAB) diffusion processes are combined for the image enhancement. 在此基础上，通过对图像的梯度信息和直方图信息的合理组合，提出了基于全局信息的图像增强组合方法。
- An undated handout received from the Polish Navy July 28, 2006, shows (top to bottom) a sonar image and a picture of a model of the Graf Zeppelin. 波兰海军发布的资料-上图为“齐柏林伯爵”残骸声纳图，下图是模型
- It indicates from the theoretical and experimental results that image enhancement by PDEs is an effective tool. 理论和实验结果表明,应用偏微分方程模型进行图像处理是一种有效的工具。
- In order to improve further the effect of image enhancement and to reduce the computational complexity,this pape... 实验结果表明,该方法在图像增强效果和时间复杂性方面均优于传统方法和张东波等提出的方法。
- If the raw data include the navigation information, the geometric distortions can be corrected from it, otherwise, the attitude of vehicle can be inferred from the sonar image. 鉴于波束展宽效应对远场目标造成的拖尾效应，论述了对拖尾效应使用的去卷积的改正算法。
- The traditional algorithms for image enhancement have the shortcoming of noise over-enhancement. 摘要传统的图像增强算法存在噪声过增强的问题。
- Aiming at terms of target detection of the high-frequency sonar image,based on morphological operator,a novel algorithm used to target detection was presented. 针对高频声呐图像目标检测问题,基于数学形态学算子,提出了一种新的快速目标检测算法。
- It comprises de-interlacing, frame rate up-conversion, scaling and many image enhancement processes. 主要处理过程包含去隔行、帧频提升、分辨率提升,及各种画质增强。
- At last, the assessment method of the degression of image enhancement algorithm on image noise is proposed. 而经过5帧平均算法后的图像质量明显改善，对比度增加。
