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image map相关的网络例句

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To fulfill a TV guidance system task of fast recognizing and tracking missile target from sequential images including multiple interferences,a fast segmentation and target characteristic extraction algorithm of sequential images based on binary image index map was proposed.After the sequential images were processed to binary images,a Field Programmable Gate Array was used to scan the binary image once and an index map was built,and then Digital Signal Processing was used to scan the index map once.

针对电视制导系统需从包含多个干扰目标的序列图像中快速识别和跟踪导弹目标的要求,提出了一种基于二值图像索引图的序列图像快速分割及目标特征提取算法,在序列图像二值化后,只需由FPGA对其遍历一次就可得到一张含有目标信息的索引图表,再由DSP对该索引图表边遍历边计算就可得到图像所含目标的数量、面积、质心坐标、二阶矩不变量等特征。

According to the ridges had the continuity in the local area, an intelligent algorithm of smoothing the direction map was proposed, and then according to the direction map the template of direction filter was designed, then the fingerprint image with the designed template was filtered and the binarization image was obtained.

并根据指纹图像在局部范围内纹线连续的特点,提出了一种智能的平滑方向图算法,再构建方向滤波模板进行方向滤波,得到指纹二值化图像。

Based on the traits of dyadic wavelet decomposition of signal and that of the distribution of wavelet image coefficients, PLVQ and ZR are conjoined by making use of D\-4 lattice. Firstly, Pyramidal lattice vector quantization is adopted to quantize wavelet image coefficients. Nonzero lattice vectors and zero lattice vectors are formed. Secondly, nonzero lattice vectors are dealt with by adopting complex entropy coding. Finally, in order to fix on the position of nonzero lattice vector effectively, that is, to deal with zero lattice vectors effectively, the concept of significant map is introduced into. The significant map is scanned two times from down to up and from up to down.

根据信号的二进小波分解特点和小波图象系数的分布特点,利用D\-4格将PLVQ和零树结合起来,提出了一种基于零树和金字塔格型矢量量化的小波图象编码方法,该方法首先采用金字塔格型矢量方法来量化小波图象系数,以得到非零格点和零格点;然后采用复合熵编码来处理非零格点;最后为了有效确定非零格点的位置,也就是为了有效地处理零格点,又引进了重要图的概念。

The sixth part: Studies on the dynamic changes of soil retention function value of ecosystem in YUYANG District. Utilized ERDAS8. 5 to interpret the remote sensing image and get LUCC data and vegetation information of YUYANG District. Utilized R2V5. 5 to digitize administrative map, topographic map, vegetation picture, soil distribution map and meteorological website map. Utilized ARCINFOR8. 3 to change every digitization layer to the same projection, to generate Tyson polygon, to structure DEM and do vector polygon overlay. Utilized ARC VIE W3. 3 to obtain the grid data topographic slope and slope length from DEM data of YUYANG District, and then, turned every coverage layer into grid layer and do grid polygon overlay to gain data about dynamic changes of value of soil retention of ecosystem in YUYANG District, at last, the author analyzed the features of the spatial-temporal changes and its reason.The seventh part: Studies on the dynamic changes of fixing drifting sand against wind function value of ecosystem in YUYANG District.

第六部分:榆阳区生态系统土壤保持功能价值动态变化研究;利用ERDAS8.5对遥感数据进行解译获得榆阳区土地利用数据和植被信息,利用R2V5.5数字化榆阳区政区图、地形图、植被图、土壤分布图及气象站点分布图,利用ARCINFOR8.3对各数字化图层进行投影转换、泰森多边形生成、DEM构建和叠加分析,利用ARCVIEW3.3从DEM数据中获取榆阳区的坡度、坡长面域数据,并将上述各图层格网化,然后通过栅格图层叠加分析和代数运算获取榆阳区生态系统土壤保持功能物质量和价值量时空动态变化数据,最后分析了其变化的时空特点及形成原因。

Methods Marshland areas near high endemic villages of schistosomiasis in the Poyang Lake region were selected. Corresponding map was digitized and (Landsat 5 TM) the image was corrected according to the digital map. The image where water and land shifted during floody and dry seasons was extracted and classified by unsupervised method. The image in dry seasons was calculated by both Normalized Difference Vegetation Index and Tasseled Cap model. Traditional snail survey was done at the same areas and recorded the geographic position by Geographic Position System. Some cultured lands inside the embankment and water pound in marshland areas were selected as control group. Results The image of pilot areas was classified into 10 classes.

方法选择鄱阳湖区内3个洲岛型血吸病重度流行村周围的洲滩地图进行数字化,在数字化地图的基础上分别对两张Landsat 5TM卫星遥感片进行校正,并提取出冬陆夏水洲滩部分,运用ERDAS IMAGINE软件对此洲滩进行计算机非监督分类、校正植被指数(Normalized Difference Vegetation Index, NDVI)和穗帽湿度变换指数(Tasseled Cap, TC)模型计算;用传统方法进行螺情调查,卫星定位仪记录有钉螺点的经纬度,同时选择部分堤内的农田和水溏作为对照点。

Methods Marshland areas near high endemic villages of schistosomiasis in the Poyang Lake region were selected. Corresponding map was digitized and (Landsat 5 TM) the image was corrected according to the digital map. The image where water and land shifted during floody and dry seasons was extracted and classified by unsupervised method. The image in dry seasons was calculated by both Normalized Difference Vegetation Index and Tasseled Cap model. Traditional snail survey was done at the same areas and recorded the geographic position by Geographic Position System.

选择鄱阳湖区内 3个洲岛型血吸病重度流行村周围的洲滩地图进行数字化,在数字化地图的基础上分别对两张 L andsat5 TM卫星遥感片进行校正,并提取出冬陆夏水洲滩部分,运用 ERDAS IMAGINE软件对此洲滩进行计算机非监督分类(U nsu-pervised Classification)、校正植被指数(Normalized Difference Vegetation Index,NDVI)和穗帽湿度变换指数(Tasseled Cap,TC)模型计算;用传统方法进行螺情调查,卫星定位仪记录有钉螺点的经纬度,同时选择部分堤内的农田和水溏作为对照点。

The investigations in this thesis focus on several aspects as follows: We investigate the method that how to produce permutation matrix by using chaotic map, and get the method of image permutation based on chaotic map. This method can make original image to unorderly image to protect the true content of image. We investigate gray level mix function, and put forward a gray level mix function based on chaotic map. Because this function has chaotic characteristics, the image dealed with this function has very uniform histogram. Aiming at the contradiction between error robust and security on image encryption, we put forward a kind of gray level mix function including diffusion mechanism.

本文的研究工作主要集中在以下几方面:研究了如何利用混沌映射产生置乱矩阵的方法,给出了基于混沌的数字图像置乱方法,该方法能够将原始图像变成面目全非的杂乱图像,从而保护了数字图像的真实内容;研究了灰级混合函数,提出了基于混沌的灰级混合函数,由于该函数具有混沌特性,所以经过该函数处理后的图像具有非常均衡的灰级直方图;针对图像加密的错误鲁棒性与安全性之间的矛盾,提出了一种含有扩散机制的灰级混合函数。

In order to apply remote sensing image in terrain simulation, we must get the remote sensing image with high space resolution and high spectrum resolution. In this paper, we use the TM image, IKONOS image and same zones DEM to make three demention terrain map. In order to keep the TM images spectrum information and import the geometry character of IKONOS to fetch up the disadvantage of TM and IKONOS,we first use the polynomial method to geometry registration the IKONOS image and TM image,then we use the fusion algorithm base on HIS transformation fuse the TM image and IKONOS image.

首先将同一地区的TM影像与IKONOS影像进行精确配准后,使用基于HIS变换的融合方法,将两种影像进行融合,融合结果在保持TM影像丰富光谱信息的基础上,引入了IKONOS影像的几何特征,从而弥补了TM影像分辨率低和IKONOS影像光谱信息缺乏的缺点,并生成具有 1m分辨率的彩色影像;最后将融合结果与相应地区的DEM数据进行复合,生成了具有高度真实感的三维影像图。

To increase the security of the watermark, a new binary image encryption algorithm based on TD-ERCS map is presented. The watermark is encrypted by a chaos sequence generated by TD-ERCS map; A novel color image watermarking algorithm is proposed based on discrete chaotic map and 2-dimensions discrete wavelet transform. The watermark is encrypted by the new binary image encryption algorithm, and the encrypted watermark is embed into four sub-bands of the most deep level of blue branch of host image by three-level wavelet transform, and the embedded positions are determined by general cat cha otic map; A novel color-image blind detection watermarking algorithm is proposed based on integer wavelet transform and subsampling. The scrambled watermark is encrypted and embed into the low sub-bands after four sub-images of the Y branch of host image is transformed by two-level wavelet transform, and the embedded positions are determined by Logistic chaotic map, this watermarking scheme can realize blind extraction.

为了提高水印图像的安全性,提出了一种基于TD-ERCS混沌映射的二值水印图像的加密算法,该算法利用TD-ERCS映射产生的混沌序列加密水印图像;将离散混沌映射和二维离散小波变换相结合,研究了彩色图像水印新算法,该算法先对混沌序列加密后的水印图像进行小波变换,再嵌入到宿主图像的蓝色分量的最深层的四个子带中,嵌入位置则由广义猫映射确定;将整数小波变换和图像子采样技术应用于数字水印,提出了一种彩色图像盲提取水印算法,水印嵌入时,先对宿主图像在YIQ色彩空间中的Y分量进行子采样,并对得到的四个子图像分别进行二级离散小波变换,然后将置乱并加密后的水印图像嵌入到小波变换后的低频子带中,其嵌入位置由Logistic混沌映射产生的混沌序列确定,实现了水印的盲提取。

Apply the complete and stereo image to the contour map. It can help to differentiate the slop of the contour map. On the other hand, the information and stereo image is helpful to differentiate the depth. It will be a basis to display flat and stereo idea or manufacture the depth of spatial map in the future.

等高线图运用了全像立体影像辅媒材成像时,有助於等高线图坡形的判别,也就是全像立体影像有助於深度的判别,以后可运用在视觉领域里表现平面立体概念时或未来制作成全像地图表现的参考依据。

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推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。