《顧及權重信息的地圖點群目標自動綜合》是2021年電子工業出版社出版的圖書，作者是小敏。
基本介紹
- 中文名：顧及權重信息的地圖點群目標自動綜合
- 作者：小敏
- 出版時間：2021年5月
- 出版社：電子工業出版社
- 頁數：108 頁
- ISBN：9787121411564
- 類別：自然科學類圖書
- 定價：69 元
- 開本：128 開
- 裝幀：平裝
內容簡介,圖書目錄,作者簡介,
內容簡介
本書將地圖空間點群作為研究對象，研究了不同類型點群的權重信息計算與表達，提出了基於權重信息的點群綜合方法。對於語義信息較為豐富的點群，提出了基於影響範圍和影響人群的點群選取方法；對於無法求解其影響範圍和影響人群的點群，提出了一種基於網路加權Voronoi圖的點群選取方法，在點群選取過程中顧及了相關聯道路網的屬性信息；對於語義信息匱乏的點群，提出了一種外部輪廓約束下基於Voronoi圖的內部點化簡方法，顧及了點群幾何及拓撲信息的保持。該研究豐富了地圖製圖綜合理論，為地圖製圖綜合及相關領域研究提供了借鑑和支持。
圖書目錄
第 1 章緒論 ····················································································.1
1.1 選題背景及研究意義······························································.1
1.2 研究進展·············································································.4
1.2.1 地圖綜合研究現狀·······················································.4
1.2.2 點群綜合研究現狀·······················································.5
1.3 本書的內容··········································································16
1.4 本書的創新點·······································································16
第2 章點群自動綜合相關理論 ····························································18
2.1 尺度的概念··········································································18
2.2 地圖製圖綜合理論·································································19
2.2.1 影響地圖製圖綜合的基本因素·······································19
2.2.2 製圖綜合的運算元··························································21
2.2.3 製圖綜合的約束··························································23
2.3 點群綜合理論·······································································24
2.3.1 點狀符號···································································24
2.3.2 點群的描述參數··························································24
2.3.3 點要素的綜合操作·······················································26
2.3.4 點群綜合的評價體系···················································27
2.4 小結···················································································29
第3 章高現勢性點群綜合方法 ····························································30
3.1 點群權重衡量因子的選取························································30
3.1.1 點群的影響範圍與影響人群··········································30
3.1.2 高現勢性數據的獲取···················································32
3.2 算法原理與流程····································································34
3.2.1 算法原理···································································34
3.2.2 算法流程···································································34
3.3 點群權重的計算····································································35
3.3.1 影響範圍與影響人群數據的獲取····································35
3.3.2 影響範圍與影響人群數據的處理····································37
3.4 顧及影響範圍與影響人群的點群綜合方法···································40
3.4.1 點群的信息傳輸策略···················································40
3.4.2 點群綜合過程中約束條件的定義與表達···························41
3.4.3 綜合過程中點的刪除···················································41
3.5 實驗與評價··········································································43
3.5.1 實驗·········································································43
3.5.2 算法驗證與分析··························································46
3.6 方法總結·············································································48
3.7 小結···················································································49
第4 章顧及道路網屬性信息的點群綜合方法··········································50
4.1 點群權重衡量因子的選取························································51
4.1.1 網路加權Voronoi 圖····················································51
4.1.2 點群權重因子選取·······················································53
4.2 算法原理與流程····································································54
4.2.1 算法原理···································································54
4.2.2 算法流程···································································54
4.3 網路加權Voronoi 圖的構建······················································55
4.3.1 改進的PCNN 模型······················································55
4.3.2 改進PCNN 模型支持下的網路加權Voronoi 圖構建·············57
4.3.3 網路加權Voronoi 圖構建實驗與討論·······························63
4.3.4 基於改進PCNN 的網路加權Voronoi 圖構建算法總結··········66
4.4 點群權重計算·······································································66
4.4.1 網路Voronoi 多邊形····················································66
4.4.2 點群權重計算·····························································68
4.5 基於網路加權Voronoi 圖的點群綜合方法····································69
4.5.1 點群綜合中各類信息的保持策略····································69
4.5.2 約束條件的定義與表達·········································
作者簡介
祿小敏，工學博士，現任蘭州交通大學測繪與地理信息學院講師，碩士研究生導師。主要從事地圖製圖綜合、空間關係理論與技術的研究與教學。主持/主研國家自然基金青年基金、地區基金及重點項目等多項，近五年在國內外期刊發表論文10餘篇，申請國家發明專利多項。
