2019年2月17日 星期日

the era of deep learning may soon end...



We analyzed every single AI paper ever uploaded to a major research database and found the era of deep learning may soon end.


...THE NEXT DECADE

Our analysis provides only the most recent snapshot of the competition among ideas that characterizes AI research. But it illustrates the fickleness of the quest to duplicate intelligence. “The key thing to realize is that nobody knows how to solve this problem,” Domingos says.
Many of the techniques used in the last 25 years originated at around the same time, in the 1950s, and have fallen in and out of favor with the challenges and successes of each decade. Neural networks, for example, peaked in the ’60s and briefly in the ’80s but nearly died before regaining their current popularity through deep learning.
Every decade, in other words, has essentially seen the reign of a different technique: neural networks in the late ’50s and ’60s, various symbolic approaches in the ’70s, knowledge-based systems in the ’80s, Bayesian networks in the ’90s, support vector machines in the ’00s, and neural networks again in the ’10s.
The 2020s should be no different, says Domingos, meaning the era of deep learning may soon come to an end. But characteristically, the research community has competing ideas about what will come next—whether an older technique will regain favor or whether the field will create an entirely new paradigm.
“If you answer that question,” Domingos says, “I want to patent the answer.”

2019年2月11日 星期一

人工智能看病,比醫生診斷更可靠?

人工智能看病,比醫生診斷更靠譜?
去年,在北京舉行的一場比賽中,醫生們與人工智能計算機競爭,通過人類大腦的磁共振圖像識別疾病——人類醫生輸了。在確定疾病時,人類醫生往往希望全面診斷,但難以避免認知偏見,從而導致替代方案遭到忽略。
一項中美合作的新研究將人工智能問診納入了新選擇 。研究人員通過分析中國醫院上百萬患者的症狀、醫療記錄和其他臨床數據,建立了一個能夠深度學習的神經網絡。現在,這個系統已經可以自動診斷常見的兒童疾病,包括流感和腦膜炎等,其準確率可以媲美經驗豐富的醫生。
這幾乎是革命性的:人工智能可以幫助醫生診斷複雜的疾病,有可能改變醫療行業,減少錯誤診斷的機率。不過,即使是專家也很難解釋為什麼神經網絡會做出特定決定,還需要進行廣泛的臨床試驗,以確保其可靠性。