本項目是2019深港城市\\建築雙城雙年展（UABB）“城市之眼”板塊參展作品。This work is exhibited in the “Eye of the City” section of the 2019 “Bi-City Biennale of Urbanism\\Architecture”.
▼影像預告片，Trailer ©24 ScanLab
“站在未來看現在，每一個個體都值得被記錄”——都市見證系列卷首語“Standing in the future and looking backward, every individual deserves to be recorded.” – Preface of Urban Witness Series
在時間軸中，我們常常通過文字、圖片、圖紙、影像等方式觀看歷史，卻無法置身其中地與過去的空間進行對話。本次展覽以空間感知技術為基礎，通過一系列數字化處理，將空間信息進行存檔和處理，並以三維點雲信息的方式呈現，記錄深圳市南山區蛇口漁港的形態轉變。
本團隊以三個不同空間尺度的蛇口漁港碼頭、碼頭漁民生活、遠洋捕魚船為研究樣本，探索空間感知技術在空間調研領域的應用。並將以此獲取的空間數字信息與訪問摘錄、圖冊圖解等方式相結合，最終將碼頭空間身臨其境地敘述呈現，多維度多層次地展現城市發展的歷程。我們希望通過創造與以往不同的空間認知，為城市發展的討論帶來新的視點。
▼影像概覽，images ©24 ScanLab
Throughout the course our timeline, we understand history through words, image, video and many others, but these medium rarely allow us to have an immersive experience to understand the space and its transformation. This exhibition uses spatial perception technology as a method to perceive space. Through a series of digital processing and archiving of the gathered spatial information, the space will be presented in the form of three-dimensional point cloud information. A series of these unconventional documentations will present the morphological change of the Shekou Fishing Port in Nanshan District, Shenzhen.
Our team investigates the space of Shekou fishing port from three different scales, Shekou Fishing Port, Fishermen’s Life and Ocean Fishing Vessel. This research offers an opportunity to explore the sensing technology application in the field of spatial investigation. We combined the spatial digital information with access excerpts, pictures and diagrams to present the immersive narrative of the Fishing Port, and the process of urban development in multiple dimensions and levels. We hope this unconventional presentation offers the public a unique opportunity to witness a transformation, and thus spark a new interest on the issue of urban development.
▼蛇口漁港碼頭尺度，City Scale of Shekou Fishing Port ©24 ScanLab
▼碼頭漁民生活尺度，Street Scale of Fishermen’s Life ©24 ScanLab
▼深圳漁一遠洋捕魚船尺度，Detail scale of Shenzhen Yuyi Ocean Fishing Vessels ©24 ScanLab
蛇口漁港碼頭Shekou Fishing Port
項目選址於正發生重大改變的深圳蛇口漁港。1970年代以來，持續的政策改革、高速的經濟發展、大量的人口流動以及湧現的科技創新，深圳逐步從小漁村發展成為中國第一個也是最成功的經濟特區，蛇口漁港便是這個的小漁村最具代表性的象徵標誌，也是深圳“都市中的最後一個漁港”。2018年，蛇口漁港正式被拆除，並將改造成為一個濱海商業綜合體。
The project site is located in Shenzhen Shekou Fishing Port, where major changes are taking place. Since the 1970s, continuous policy reforms, high-speed economic development, large population movements, and emerging technological innovations, Shenzhen has gradually developed from a small fishing village into China’s first and most successful special economic zone. Shekou Fishing Port illustrates this ‘over-night success’ legend. Known as “the last fishing port in the city,” it will be officially demolished in 2018 and redeveloped as a waterfront commercial complex.
▼個體戶漁船的行駛路線，Private fishing boats driving route ©24 ScanLab
▼大型漁船的行駛路線，Large fishing vessels driving route ©24 ScanLab
▼漁民販賣自家剛捕撈上岸的海鮮的小型集市，Small market where fishermen sell their own seafood ©24 ScanLab
▼等待拆除的私家魚船，Private fishing boats waiting to be demolished ©24 ScanLab
碼頭漁民生活Fishermen’s Life
通過走訪調研，我們發現本地漁民幾乎完全脫離捕魚生活，漁一村出海小漁船由50餘艘逐漸減少至當今僅剩的幾艘。原有與捕魚相關產業鏈，如人力資源、運輸、倉儲、加工及銷售等相關產業均受到不同程度的衝擊。這種轉變的原因一是填海建設造成了海洋生態系統的破壞，二是深圳二次城市化（城市更新）加快漁民財富積累，漁民不願再繼續艱苦的打魚生活。
▼等待漁船抵港卸貨裝箱的漁民，Fishermen waiting for fishing boats to arrive at the port to unload their containers ©24 ScanLab
Through interviews and investigations, we found that the local fishermen were almost completely out of jobs. The number of private fishing boats in Yuyi Village gradually decreased from a mere 50 to just a few. The original fishing-related industrial chain, such as human resources, transportation, warehousing, processing, and sales, were all affected under varying degrees. The main actor behind this change is the land reclamation industry which is causing damage to the marine ecosystem, and the other factor is the secondary urbanization of Shenzhen (urban renewal), which has helped accelerate fishermen’s wealth, hence making them unwilling to continue the hard life of fishing.
▼等待開工的船員，Crew waiting to go fishing ©24 ScanLab
▼販賣自家捕撈海鮮的船伕妻子，A wife of boatman sells her seafood ©24 ScanLab
▼準備收工回家的船伕，A boatman is ready to go home ©24 ScanLab
遠洋捕魚船Ocean Fishing Vessel
項目應用了兩項前沿的三維空間感知技術：航空傾斜攝影測量技術，以飛行器作為空中飛行操作平臺，搭載多臺影像傳感器，從空中同時獲取被測物的體垂直和傾斜等多角度、高重疊度、高分辨率序列影像，並用計算機對影像數據信息進行加工處理獲取被測物體的三維數據。三維激光掃描技術，定點基站式掃描技術，通過高速旋轉的激光發射雲臺，向目標照射脈衝激光來測量距離，可以快速大量的採集空間的點位信息數據，並用計算機建立被測物體的三維影像模型，註冊點雲生成場景序列。
▼LiDAR掃描點位置排布，The setting out of LiDAR scanning spots ©24 ScanLab
This project is created through the use of two cutting-edge spatial sensing technologies: Oblique Aerial Photography which is an airborne scanning technique: a professional DSLR camera captures images from the side of an aircraft; simultaneously acquiring multiple angles and high overlaps such as the vertical and tilt of the measured object from the air. High-resolution, and high-resolution sequence images are processed with a computer to obtain the three-dimensional data of the measured object. 3D LiDAR Scanning is a fixed-point base station scanning technology, pairing on rotating gimbal to emit pulsed laser to measure the target ‘s distance. It can collect large amounts of point cloud data and establish a three-dimensional model of the site.
▼蛇口漁港航空傾斜攝影測量，Oblique Aerial Photography of Shekou Fishing Port ©24 ScanLab
▼深圳漁一遠洋捕魚船正立面，The facade of Shenzhen Yuyi Ocean Fishing Vessel © ©24 ScanLab
▼深圳漁一遠洋捕魚船貨艙，Shenzhen Yuyi Ocean Fishing Vessel Cargo Hold ©24 ScanLab
▼深圳漁一遠洋捕魚船貨艙，Shenzhen Yuyi Ocean Fishing Vessel Cargo Hold ©24 ScanLab
▼深圳漁一遠洋捕魚船甲板，Shenzhen Yuyi Ocean Fishing Vessel Deck ©24 ScanLab
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