STEM与日常科技·英语30篇（9）

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药店自助取药机如何通过颜色与形状匹配确认药品身份

Before dispensing, the kiosk uses high-resolution cameras to compare pill color, size, and edge contour with stored images.
It cross-checks printed text on each capsule or tablet against the prescription label using optical character recognition.
If a pill looks too pale or slightly oval instead of round, the system pauses and requests pharmacist review.
Patients see a live preview on screen showing exactly how their pills should look before final release.
Each bottle gets scanned twice—once before filling and once after sealing—to ensure consistency.
The machine adjusts lighting dynamically so red pills don’t appear orange under fluorescent store lights.
Frequent users notice how quickly it recognizes familiar medications like daily vitamins or blood pressure tablets.
No barcode scanning is required because physical traits provide faster, more reliable verification.
Even generic versions match correctly since shape and coating texture are part of the reference library.
You hear a friendly voice say 'Your medication is ready' only after every visual check passes.