ID | 原文 | 译文 |
2873 | 首先,利用随机投影深度函数对彩色遥感影像中各像素颜色特征进行排序得到深度场影像; | First, the random projection depth function is used to sort the color characteristic of each pixel to ob-tain random projection depth value, forming the depth field image; |
2874 | 然后,对深度场影像做形态学闭运算并选取合适的随机投影深度值作为阈值,二值化闭运算后的深度场影像,实现车辆初始提取; | Then, morphological closed operation is carried out forthe depth field image, and an appropriate random projection depth value is selected as the threshold to binarize the image; |
2875 | 最后,结合决策树分析与形态学运算实现车辆精确提取。 | Finally, the vehicles are accurately extracted from the parking lot by decision tree algorithm and morphological operations. |
2876 | 实验结果表明,随机投影深度函数可有效处理彩色遥感影像中各种颜色车辆所表现的“同物异谱”现象,在深度场影像中凸显不同颜色的车辆,有效提高车辆提取效率; | The experimental results show that the random projection depth function can effectively deal with the " same body with dif-ferent spectrum" phenomenon of various color vehicles in remote sensing images. The vehicles of different colors are high-lighted in the depth field image, which can effectively improve the efficiency of vehicle extraction, |
2877 | 辅助以简单的后处理可实现遥感影像中不同场景停车场车辆提取。 | and extraction of vehicles from parking lot of remote sensing images can be realized accurately by combining random projection depth function and simple post-processing. |
2878 | 针对时域干扰抵消方法产生的波束畸变和探测盲区问题,提出一种基于能量补偿的时域干扰抵消改善方法。 | For the problem of beam distortion and detection blind zone by time domain interferences suppression method, a modified interferences suppression method by the energy compensation in time domain is proposed. |
2879 | 该方法首先根据数据处理带宽和衰减曲线构造能量补偿因子; | Firstly, con-structs energy compensation factor according to the frequency band of processing data and attenuation curve. |
2880 | 然后利用时域干扰抵消方法对线列阵拾取数据进行处理,得到相应波束; | Then, prepro-cesses the received data via time domain interferences suppression method, and obtains the output beam. |
2881 | 最后采用能量补偿因子对干扰抵消输出波束进行优化,可以减小波束畸变和探测盲区,达到预期的干扰抵消效果和探测效果。 | Lastly, utilizes the energy compensation factor improve the output beam, reduces the beam distortion and detection blind zone, and achieves the expected results of interferences suppression and detection. |
2882 | 数值仿真和数据处理均表明,本文方法通过构造能量补偿因子改善了时域干扰抵消方法,降低了时域干扰抵消方法形成的“宽凹”或“凸”字型波束对目标探测性能的影响,实现了波束校正,减小了探测盲区,对原衰减区间内的目标实现了有效探测。 | The numerical simulation and data processing results show that, this method improves the time domain interferences suppression method by constructing energy compensation factor, reducesthe impact of the“wide concave”or“convex”beam of time domain interferences suppression method on detecting target, achieves the beam correction, reduces detection blind zone, and achieves detecting the targets in old attenuation interval. |