智能优化算法与遥感影像分类(孙根云 等著)思维导图
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问题:指事件或事物的已知或当前状态与目标状态之间的有差异。
问题求解:指在一定的控制策略下,通过一系列的操作或运算来改变问题的状态,使之与目标状态接近或一直。
问题求解所需的知识(求解框架):叙述性知识、描述客观事物的特点及关系。
过程性知识、通常是解决问题的操作步骤和过程的知识,也称为操作性知识。
控制性知识、求解问题的方法和技巧的知识,确定解决问题的策略。
知识表示:研究在计算机中如何用最合适的形式表示问题求解过程中所需要的各种知识,包括构成问题求解框架的全部知识。
常用的知识表示形式:状态空间图,与或图,谓词逻辑,产生式,框架,语义网络盲目搜索:无向导的搜索,也称穷举搜素。
在搜索过程中,没有任何背景知识作指导,不考虑任何与解有关的信息,随机地或按预先规定的顺序(如广度优先和深度优先)机械地生成树的节点,并判断是否为解,直到找到解或证明问题无解为止。
特点:搜索效率太低,所以在实际中往往是不可行的。
启发函数:通过函数计算来评价每种选择的价值大小,用以指导搜索过程。
启发式搜索:利用问题本身的“启发性信息”不断地改变或调整搜索的方向,使搜索朝着问题本身最希望的方向进行,加速问题的求解并找到最优解。
特点:重排OPEN表,选择最有希望的节点加以扩展。
启发式搜索—全局择优算法:也叫做最好优先搜索,在启发性知识导航下的广度优先搜索,在OPEN表中保留所有已生成而为考察的节点,对其中的每个节点x计算启发函数h(x),从全部节点中选出最优节点进行扩展,而不管这个结点出现的搜索树的什么地方。
步1、把初始几点S。
放入OPEN表中,计算h(S。
);步2、若OPEN表为空,则搜索失败,退出。
步3、否则,移出OPEN表中第一节点N放入CLOSED表中,并冠以序号n;步4、若目标结点S。
=N,则搜索成功,利用CLOSED表中的返回指针找出S。
到N的路径即为所求解,退出。
步5、若N不可扩展,则转步2;步6、否则,扩展N,计算N的每个子节点x的启发函数h(x),并将N所有子节点x配以指向N的返回指针后放入OPEN表中,依据启发函数值h(x)对节点的计算,对OPEN表中所有节点按其启发函数值的大小以升序排列,转步2.局部择优:是启发性知识导航下的深度优先搜索,在OPEN表中保留所有已生成为为考察的节点,对其中新生成的每个子节点x计算启发函数h(x),从全部子节点中选出最优节点进行扩展,其选择下一个要考察的结点的范围是刚刚生成的全部子节点。
人工智能算法在遥感图像处理中的应用随着科技的飞速发展和计算机技术的不断革新,人工智能的应用领域也得到了极大的扩展。
在现代遥感图像处理中,人工智能算法的出现带来了诸多便利,被广泛应用于遥感图像的几何校正、目标检测、地物分类等方面。
下面将结合实例,探讨人工智能算法在遥感图像处理中的应用。
一、几何校正遥感图像的几何校正是指通过计算机技术将图像中的像素与实际地球坐标系之间的映射关系建立,从而达到对遥感图像的位置修正和几何精度的提高的目的。
利用人工智能算法,我们可以更加准确地进行几何校正。
例如,针对遥感图像中的大气干扰和地面地形变化等因素,传统的几何校正方法常常存在误差,甚至出现较大的偏差。
而人工智能算法不仅可以在处理数据的同时自动修正这些误差,还能够根据不同数据类型进行精准的校正,使得几何校正结果更加准确和可靠。
二、目标检测遥感图像中包含着大量的信息,其中主要包含着各种地物、人工结构体和自然景观等。
在处理这些复杂数据时,人工智能算法可以通过自主的学习和推理能力来实现图像中目标的自动检测。
例如,可以利用神经网络算法通过对大量地面目标的图像进行训练,提取出某一地物的特征,从而实现该地物的快速、准确和自动化的检测。
同时,还可以利用深度学习算法将遥感图像与其他数据源如卫星、数字地图等进行叠加分析,提高目标检测的精确度和鲁棒性。
三、地物分类遥感图像中不同类型的地物的色彩、纹理等特征各不相同,传统的分类方法常常依靠人工判断,费时费力且容易出现误差。
在这种背景下,人工智能算法的应用无疑为地物分类带来了新的突破。
利用深度学习算法,可以将不同地物类型的特征进行自主提取和学习,并将经过分类训练的模型应用于实际的遥感图像中,实现对不同地物的自动识别和分类。
通过这种方法,可以大大提高地物分类的准确度,同时实现对遥感图像数据汇总的更加高效和自动化的处理。
四、总结总之,人工智能算法在遥感图像处理中的应用已经到达了一个新的水平,其广泛的应用为遥感图像数据的压缩、处理、分析等方面带来了新的解决方案。
《思维导图画册》-(七年级)第一讲《走近科学》知识思维体系科学画册•你相信吗?空调的发明居然沾了印刷机的光说起对盛夏湿热的体验,人们大多会用酷暑难耐来形容!多亏有了空调相伴,才使人们摆脱了暑热之苦。
然而,空调最初并不是为人类研发的。
1902年,世界上第一个空调系统诞生了,但它是按照印刷机的“体验”进行设计的。
说起空调的发明,有一个人不能不提,他就是美国工程师及发明家威利斯·开利(Willis Haviland Carrier,1876年-1950年)。
由于他是现代空调系统的发明者,因此被誉为是“空调之父”。
那么,空调是怎样发明出来的呢?人类又是如何享用到这个伟大发明的呢?知冷知热的印刷机1901年,开利毕业于康奈尔大学,并获得机械工程硕士学位。
他入职的第一份工作是在一家锻造公司担任供暖工程师。
第二年,他接手的第一个任务就是处理纽约市沙克特威廉印刷厂的温度和湿度问题。
“空调之父”——威利斯·开利原来,这家印刷厂是锻造公司的客户单位。
这家印刷厂在生产中遇到了一个大难题,由于空气温度和湿度的变化,使得纸张的伸缩不定,这样就导致了油墨对位不准,自然就无法生产出清晰的印刷品了。
于是,这家印刷厂就求助于关联公司了。
印刷也是一个细活,对环境条件的要求也是十分苛刻的。
比如,对室内温度和湿度都是有要求的,一般冬季要保持在21℃,夏季要保持在27℃,全年相对湿度要保持在55%。
威利斯·开利对于只有26岁的开利来说,这个问题无疑是一个巨大的挑战。
不过,开利是个聪明人。
他很快就找到了问题的症结所在,原来都是湿热波动惹的“祸”。
但是,要想用机器装置来解决这个问题还是要付出努力的。
大雾让他茅塞顿开开利的一次经历开阔了他的思路。
有一天的傍晚,开利在某火车站等火车的时候,那弥漫天空的大雾启发了他,使得他对温度、湿度和露点之间的关系有了更深刻的认识。
说起雾,可以说是无人不晓,然而,真正能从大雾中捕捉灵感的人并不多。
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复杂背景下深度学习方法的夜光船舶目标检测 ····························································· ································· 刘万涛, 聂云峰, 陈兴峰, 李家国, 赵利民, 郑逢杰, 韩昱, 刘述民(124) 基于变化检测的输电走廊外力破坏隐患区域识别 ·························································· ······················································ 黄然, 方正云, 马御棠, 黄双得, 文刚, 刘靖, 孙浩轩(138) 第4期天基边缘智能光学遥感技术构想 ······················· 李维, 刘勋, 张维畅, 孙德伟, 李强, 阮宁娟(1) 遥感影像人工智能数据集联邦共享技术研究 ····· 郑继龙, 李维, 刘勋, 鲍云飞, 何鸿凌, 齐红威(12) 遥感影像建筑物提取多尺度特征深度学习网络 ······· 赵元昊, 赵莹莹, 刘东升, 张爱竹, 孙根云(25) 基于改进Unet++的丘陵地区耕地地块深度分割与提取························ 张海天, 高懋芳, 任超(36) 降落伞空投试验多模式开伞控制系统设计与实现 ·························································· ··························································· 黎光宇, 刘海烨, 乔茂永, 李春, 刘靖雷, 李健(46) 基于FPGA的高性能回收控制器的设计与实现 ····························································· ····················································· 刘海烨, 黎光宇, 乔茂永, 刘靖雷, 裴晓燕, 闫云龙(57) 空间X射线探测技术发展新趋势······································· 董联庆, 杨立欣, 苏云, 单睿䶮(67) 面向遥感应用的飞秒激光在轨传输规律仿真研究 ·························································· ······························································ 刘勋, 李维, 冯志芳, 刘渊, 任维贺, 孙德伟(78) 航天遥感电子学单机产品重点检验环节复查方法 ·························································· ······································· 郭成亮, 张凯, 王蕊, 董立业, 郑兴林, 陈华, 张星轲, 贾振江(89) 用于遥感影像亮度均衡的亮度补偿方法 ······························ 刘小帆, 鲁金金, 邢鹏威, 张炎(97) 中国陆地观测卫星应急成像时效性分析 ······························ 史小金, 王静巧, 庄超然, 湧曾(111) 基于多源遥感数据的灌丛化草原识别技术研究 ............. 张词谦, 孙斌, 洪亮, 高志海, 王丝丝(123) 卫星遥感数据在生态系统生产总值核算中的应用 .......................................................... ................................................... 孙秀平, 杨天鹏, 徐崇斌, 韩维, 陈前, 左欣, 樊子萌(138) 航天简讯 . (148)III第5期“神舟号”载人飞船总体方案设计技术的发展 ···················································· 李颐黎(1) 可复用运载火箭着陆装置展开与着陆分析 ··························· 贾山, 赵建华, 陈金宝, 王永滨(11) 基于折纸技术的组合型缓冲气囊设计及仿真 ················ 徐彦, 杨毅龙, 陈刚, 李广兴, 陈华健(24) 多翼伞系统智能协同控制研究 ·········································· 卢伟涛, 孙昊, 滕海山, 孙青林(36) 几何形状对十字伞充气和滑翔性能的影响 ······································· 黄云尧, 武士轻, 张扬(48) 返回式航天器水域回收用浮囊制造技术 ················································ 王垒, 甄铎, 廖航(59) 面向在轨遥感应用的飞秒激光成丝调制延长方法研究····················································· ······························································ 宋海英, 安汶源, 李瑶, 刘勋, 李维, 刘世炳(70) 基于扩张状态观测器的空间跟瞄转台指向控制方法····· 王语晨, 康建兵, 喆林, 彭建军, 许志炜(78)张, 于志(90) 静轨空间遥感器反射式光栏数值研究 ························· 陈祥贵, 赵振明, 孟庆亮, 煚次镜三杆与筒体复合支撑结构轻量化设计 ··· 廖军刚, 杨云云, 魏鑫, 陈旭, 吴亚明, 卜石, 张毅(102) 面向广域场景的可见光-SAR遥感图像匹配方法 ···························································· ··························································· 王钦炜, 李璋, 江云天, 卞一杰, 赵宏, 叶熠彬(109) 改进YOLOv3算法的遥感图像道路交叉口自动识别······················································· ····················································· 邵小美, 张春亢, 韦永昱, 张显云, 周成宇, 张忠豪(123) 基于改进FCOS网络的遥感目标检测 ············································· 郑美俊, 田益民, 杨帅(133) 基于深度监督的TransUNet可见光卫星图像分割····· 侯作勋, 鲁泓言, 武伟超, 周家乐, 屈晓磊(142) 第6期森林碳储量遥感卫星现状及趋势 ······················· 庞勇, 李增元, 余涛, 刘清旺, 赵磊, 陈尔学(1) 陆地生态系统碳监测卫星总体设计 ············································································ ·········································· 张新伟, 黄缙, 贺涛, 毛一岚, 李雨廷, 徐驰, 莫凡, 曹海翊(16) 主被动一体化多波束激光雷达设计与实现 ··································································· ··· 孙立, 杨居奎, 王玉诏, 彭欢, 张晨阳, 杨超, 汤天瑾, 宋志清, 穆生博, 倪建军, 孟俊清, 张传强(27) 陆地生态系统碳监测卫星多波束激光雷达光学系统设计·················································· ················································ 汤天瑾, 杨居奎, 伏瑞敏, 孙立, 孙欣, 王玉诏, 宋志清(36) 陆地生态系统碳监测卫星植被测量子系统无控定位方法··········· 岳春宇, 周楠, 杨舒琪, 何红艳(50) 陆地生态系统碳监测卫星多波束激光雷达激光器设计·····················································张鑫, 孟俊清, 刘经启, 吴姚芳, 施君杰, 赖宁安, 夏浩伟, 宋铁强, 刘丹, 杨成, 王明建, 侯霞, 陈卫标(59) 陆地生态系统碳监测卫星日光诱导叶绿素荧光超光谱探测仪设计与验证·····························王伟刚, 胡斌, 杜国军, 段鹏飞, 井亚舟, 李碧岑, 柯君玉, 郭永祥, 夏晨晖, 安宁, 崔程光, ············································································ 李云飞, 崔博伦, 伏瑞敏, 毛一岚(68) 日光诱导叶绿素荧光超光谱探测仪杂散光测试与校正技术··············································· ······················································ 郭永祥, 柯君玉, 王牧卿, 王伟刚, 伏瑞敏, 李永强(79) 日光诱导叶绿素荧光超光谱探测仪偏振响应抑制与测试·················································· ························································· 崔程光, 安宁, 于宗伟, 张生杰, 王伟刚, 徐彭梅(85) 日光诱导叶绿素荧光超光谱探测仪高稳定性设计与验证·················································· ················································ 段鹏飞, 胡斌, 汪勇, 夏晨晖, 王立科, 王伟刚, 毛一岚(97) 遥感技术在“双碳”目标实现中的应用进展 ································································ ·································· 张晓娟, 李东杰, 刘思含, 王昊, 李小涵, 李春林, 宗继彪, 王宇翔(106) 基于时空谱的生态保护修复工程碳汇遥感监测技术框架研究············································ ································································· 张丹丹, 肖晨超, 魏丹丹, 梁树能, 魏英娟(119) 基于多源遥感数据的森林虫害监测及驱动力分析 ······································ 罗先轶, 张永光(129) 基于OCO-2卫星遥感数据的三峡库区XCO2时空特征演变分析········································ ····································································阮琳, 曹维佳, 杨国兴, 张丽丽, 牟晓莉(141)(卷终)。