[問卦] 為何用etag不用影像識別技術消失
最近聽說etag要被拿來分析台北市塞車的情況,
不過實在想不懂為何一定要用etag而不用其它技術?
etag最重要的功能就是身分識別,
所以若主要的訴求是知道某台車何時行經何處要往何走,確實是正確的用途,
但若是主要的訴求是要知道路上的車流流量,實在殺雞用牛刀,
學術上或是市面上應該是已有用影像識別的方式來計算車流量的方式,
為何不用?
至少不用要求數量眾多的公車去貼etag吧
註:記者不要使用,本文只是想尋找解答,並不是要否認etag
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