阿里巴巴 AI 「看圖回答」 測驗擊敗微軟、臉書、特斯拉,準確率還首次超越人類!
陳宜伶
2021-08-25
看圖回答問題是人類生活及溝通的基本條件,但是對 AI 來說卻是一項高難度任務。
阿里巴巴達摩學院打造出來的 AI 語言模型 AliceMind,幾天前首度打破圖像問答(VQA)世界紀錄,答題準確率甚至超越人類基準,並且擊敗同樣有參加挑戰的微軟、FB 隊伍,象徵達摩學院的人工智慧技術邁出關鍵一步。
VQA 挑戰是什麼?
圖像問答(Visual Question Answering)挑戰的緣起,是因為國際電腦視覺與技術辨識大會 (Conference on Computer Vision and Pattern Recognition,CVPR)希望鼓勵企業攻克 AI 多模態機器學習(MultiModal Machine Learning)的難題,因此從 2015 年開辦 VQA 挑戰賽,吸引來自世界各地的網路企業、科研單位參賽。
今年的 VQA 挑戰賽和往年一樣,題庫包含了超過 25 萬張真實照片,總共有 110 萬道題目。這些題目會考驗 AI 是否能辨別圖像,比如說在一張人群的照片中算出有幾個兒童、或是在圖片中辨認出書桌上的車鑰匙,進而推測房間主人是有車的。
VQA 技術已經被廣泛導入阿里巴巴平台,像是它的 AI 客服機器人「小蜜」(Alime)就已經被淘寶、天貓商家等電商平台採用。消費者輸入問題後,AI 客服會根據商品資訊和顧客問題給出答案。
另一方面,VQA 技術不僅能運用在電商,還可用於醫學圖像辨識,以及電動車的智慧駕駛分析。
阿里巴巴的 AI 模型為何成績能夠超越人類?
這幾年人工智慧(AI)逐漸滲透到各行業,也推動更多科技革命,AI 技術逐漸成為企業數位轉型、對抗疫情,並讓經濟重返正軌的重要力量。
由阿里巴巴達摩學院打造的 AI 深度語言模型系統 AliceMind 在這次的 VQA 測驗中,答題準確率拿到 81.26%,首次超越了人類答題的準確率 80.83% ,更讓馬雲投資的達摩學院在 AI 發展上取得重大進展。
AliceMind 採用了多種專有技術,包括多樣化的視覺表示(diverse visual representations)、「多模態」預訓練語言模型(multimodal pretrained language models)、「跨模態」語義融合和對齊技術( adaptive cross-modal semantic fusion and alignment technology)。這些技術不僅可以讓阿里巴巴的 AI 理解問題並分析圖像,還可以讓 AI 用近似人類的語感回答問題。
阿里巴巴達摩院自然語言處理(NLP)負責人 Si Luo 表示:「這代表我們在『機器學習』領域又取得了一個重要里程碑,AliceMind 在視覺與文本的『多模態』理解及推理上,測試分數媲美人類認知水準,彰顯了我們研發 AI 的努力成效。」
打造出這款 AI 模型的達摩學院是什麼來歷?
2017 年,馬雲認為阿里巴巴應該要把眼光放遠,致力解決未來世界經濟、社會等問題,在此願景下成立了研究單位「達摩學院」( DAMO Academy),號稱要在 3 年投入超過 1000 億人民幣,將重點放在基礎科學和顛覆式技術創新研究上。
Si Luo 表示,人工智慧分為運算智慧、感知智慧、認知智慧及創造智慧 4 個層次。這次 AliceMind 參與的 VQA 測試內容屬於認知智慧部份。
負責人也補充說,這不代表有一天我們會被機器人取代,反而這些智慧機器可以用來輔助我們的日常工作和生活,因此人們可以很專注在他們擅長的創作上。
資料來源:https://buzzorange.com/techorange/2021/08/25/vqa-ai-alibaba/
同時也有4部Youtube影片,追蹤數超過11萬的網紅SMART Mandarin - Katrina Lee,也在其Youtube影片中提到,😀😀 Join Hanzi MasterClass Waitlist - Get more updates and info. about learning Chinese characters. https://winning-thinker-7590.ck.page/84aef16ed5 😀...
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AI 補習班,美軍特戰司令部找 MIT 師資學習人工智慧軍事運用
作者 Alan Chen | 發布日期 2021 年 07 月 28 日 11:47 |
相對人工智慧在科學和商業領域快速發展,軍事運用因受困國際間對「致命自動武器」的爭議,進展較謹慎,因此 7 月美軍特戰司令部與麻省理工學院進行為期六週的研討會,學習與討論 AI 軍事運用的知識、趨勢與道德問題。
這項課程由麻省理工學院(Massachusetts Institute of Technology,MIT)航空與太空系教授 Sertac Karaman 負責,找來 Google 前執行長 Eric Schmidt 與前國防部長 Ash Carter 共同規劃內容,特戰司令部(US Special Operations Command, USSOCOM)則由司令、各階層軍士官及文職人員共 300 多人參與。
課程內容包括討論未來軍事將如何運用電腦視覺(Computer Vision)技術,「除了追蹤車輛行蹤這種基本運用,我們必須先讓軍方對這項技術概念擁有一定了解,才能討論如何開發這項技術的其他軍事運用潛力。」Karaman 博士指出,SOCOM 也對自然語言學習技術(Natural Language Processing,NLP)非常關心,因為對未來情報作戰有重大影響力。
SOCOM 司令 Richard Clarke 上將也表示,司令部參與這項課程的重要動機,就是希望了解 AI 軍事運用,與國防部現有交戰守則和道德規範會出現什麼摩擦,這也是參與官兵最希望了解的議題,攸關將來與 AI 共同出任務時,要是出現道德抉擇場面,官兵要如何決策,以及事後究責問題。
「SOCOM 也對敵人會如何運用 AI 技術非常關注。」Karaman 博士表示,官兵對俄羅斯或中國等主要大國競爭對手,會採取什麼 AI 技術並如何運用,做了非常多預想和反制戰術討論,但 Karaman 博士提醒軍方,對手國家或許有能力,並且毫無顧忌使用所有能取得的 AI 技術,並執行軍事運用,但美國並不具這種條件,因此除了科技運用,更需要預先討論法律與道德規範的界線。
雖然美軍 AI 運用相較其他國家仍處於領先地位,但除了運用新科技,五角大廈還有非常多法律、行政、準則、教育訓練問題,需要盡快改進修正,才能有效整合日行千里的 AI 技術。
附圖:▲ 負責課程規劃的 MIT 航空航太系教授 Sertac Karaman。(Source:影片截圖)
▲ Google 前執行長 Eric Schmidt 也是講師之一。(Source:Flickr/JD Lasica CC BY 2.0)
資料來源:https://technews.tw/2021/07/28/ussocom-is-learning-ai-capabilities-and-moral-issues-with-mit-scholars/
language learning and technology 在 IELTS Thanh Loan Facebook 的最佳貼文
SPEAKING PART 3 - INTERNATIONAL TOURISM
Cùng học IELTS mỗi ngày qua những chia sẻ hữu ích trên IELTS Thanh Loan nào! Hôm nay, cô sẽ chia sẻ với bạn bài mẫu Speaking Part 3 cho topic ‘International Tourism’ xuất hiện trong Cam 16 Test 1 nhé. Share để lưu lại và học thôi <3
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⭐ Why is tourism important to a country?
In my opinion, tourism is the key to any country because it is lucrative. When a country attracts flocks of tourists, it can benefit from the extravagant spending of international tourists who are willing to splurge on entertainment activities and restaurants. You know, some people are willing to live on the breadline for months to set aside enough money for an overseas trip. Also, the development of global travel means that more employment opportunities are created. Local people can work as tour guides, open their own business or simply sell local cuisines to earn a living.
⭐ What are the benefits to individuals visiting another country as tourists?
As for tourists, firstly, they benefit from cultural knowledge gained during the trips. Every experience is more practical and realistic in comparison with things they read on books or on the internet. They can also have once-in-a-lifetime memories. For example, visiting Thailand was the first time I enjoyed sex shows which are deemed to be antisocial or even illegal in Vietnam. Secondly, tourists can boost their language skills if their visits are long enough.
⭐ How necessary is it for tourists to learn the language of the country they're visiting?
I think nowadays, learning the language of the country you are going to visit is no longer necessary. One day, when I was having dinner in an outlet in a supermarket, a Chinese tourist asked me about how to eat a Vietnamese cuisine. I was shocked because some online applications such as Google Translate could easily make our language barriers vanished. I mean if you are able to communicate with indigenous people in their language, so it's really fantastic. But if not, don't worry because technology has revolutionized everything, including this circumstance.
language learning and technology 在 SMART Mandarin - Katrina Lee Youtube 的最讚貼文
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language learning and technology 在 CarDebuts Youtube 的精選貼文
ขั้นตอนการผลิต All-New 2019 BMW 3-Series Sedan (G20) production โฉมใหม่ล่าสุด (โดยละเอียด)
The BMW 3 Series Sedan represents the heartbeat of the BMW brand and the epitome of sporty driving pleasure in the premium midsize segment. The Mondial de l’Automobile 2018 is the venue for the world premiere of the seventh generation of the sports sedan. The new-edition 3 Series sees BMW building above all on the sporting tradition of the best-selling car. New powertrain technology and a body and chassis design geared squarely to maximising agility and dynamics create an ideal platform for an enthralling driving experience. The new BMW 3 Series Sedan comes as standard with a newly developed lift-related damper control system, which plays a significant role in giving the car its successful blend of sporting prowess and ride comfort. Options include an M Sport differential with electronically controlled locking function in the rear differential.
Precisely drawn lines and strikingly contoured surfaces mark out the exterior of the new BMW 3 Series Sedan, which showcases the brand’s new design language. The interior also has a clear, modern and sophisticated design.
Other features of the car that highlight its innovative character are BMW Operating System 7.0 and the BMW Intelligent Personal Assistant. Presented here for the first time, the Intelligent Personal Assistant responds to the prompt “Hey BMW”. The driver and passengers can speak with “him”, he is capable of learning and he gets better at his job all the time. The Intelligent Personal Assistant opens up a whole new avenue of interaction between the driver and car. It is a digital vehicle expert, knows the most important functions of the car and can explain them; if the driver wants to access navigation, office or entertainment functions, the BMW Intelligent Personal Assistant is there to help. One unique feature over other digital assistants is that drivers can give him a name, so they can activate him by saying “Hey Charlie”, for example, and therefore give him an even more defined personality. The Intelligent Personal Assistant awaits the driver’s every command and is always there to assist them. BMW is also taking a leading role in progress towards automated driving in the midsize class, thanks to a significantly extended range of driver assistance systems.
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