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    從菜鳥警察到資料戰警 === ###### tags: `2018`, `R2` ##### 位置: R2 ##### 講者:柯維然 [簡報](https://www.google.com/url?q=https://docs.google.com/presentation/d/1CLJnZeHvgrQMo9CtbDJPHXqrQarzmAdU4Mrd8EAkyvI&source=gmail&ust=1541300715582000&usg=AFQjCNE7OxlNFj0kAheZ9faYPpD_8JV44g) --- [toc] --- 動機:除了事後補救,能不能做一些事前預測? ## 從資料看交通安全 透過新竹市政府6000個監視器分析出車流量 - 視覺化應用 - 視覺化交通事故分析平台 Visual traffic accident analysis platform [從資料看交安](https://www.slideshare.net/codefortomorrow/data-driven-road-safety-policy) - 酒駕攔查資料分析 - 針對事故年齡、件數分析 - 交通事故資料分析 - 研究資料 - 40個路口的年流量調查資料 - 對應 40 個路口的 A2 事故發生件數 - 計算 事故件數/路口流量 (per 百萬 pcu) - 和模擬的數據做判斷如果相差有點遠就是算是易事故入口 ## 其他有趣的資料分析 - M-Police Log 資料分析 - M - Police 查通緝犯或是前科熱點圖視覺化 > 可以從資料看到很深的層面,ex:社會層面 - 勤務指揮中心報案資料分析 > 每兩個小時的時間序列 > 用時間序列分析,可以有效預防未來發生犯罪的可能性 - 刑事資料分析 - 犯罪週期 - 長期趨勢 - 社會變遷、政治 - 建置通聯分析系統 > 掌握社交網路:誰是首腦、誰是下線 > 年輕的人都去當車手了 > [name=柯維然] ## 應用深度學習於車流預測 CNN 應用 ### 車流預測案 - 透過 ECTA 門架來做車流預測 (data 是有開源的) - 不是單純的時間序列而是 ==時空預測== ### 內湖塔頂大道門架 - 調撥車道,來解決車流問題 >我們學交通的,很早就在學負載平衡了,只是受限於道路,頂多只有兩倍的負載平衡 [name=柯維然] ### Traffic data is another image - 透過影像來做預設車流 - 空間 * 流量 ## 用 AI 打造智慧城市 > 用車流模型來做 ### 如何跑到生活裡的案例 - 民眾 <-> 政府 <-> AI - 有效解決及分擔政府部分的問題 - ex:一些 data - 資料 -> 資訊 -> 服務 -> 政策 ### 如何做 AI 的服務 - Splunk as Data infrastructure > 現在可以即時偵測到監視器壞了 #### 合作案攜手用 AI 解決城市問題 1. 城市級車流 - 車流偵測(沒幾年就壞了) - 使用魚眼的影像,現在專門用來做車流(以前是人工) - 車輛辨識 - 車流熱區分析 - 軌跡追蹤與計數 - 影像校正/車輛影像分割與追蹤 ### 未來發展方向 - 路 & 你/妳 - ex:一些車流資料、安全性..等等都是未來可能的發展性 ==這是個落地的計畫==

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