Unverified88% confidenceDecision RuleTime unknown
热成像分辨率看探测器像素而非屏幕像素，384×288为入门主流，640×512为高端，像素越高识别距离越远、成像越细腻；入门256×192只适合近距离辨物
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified热成像分辨率优先看探测器像素与NETD值：探测器384×288为入门，640×512为主流高清；NETD<40mK成像更细腻，<25mK为高端。像素比屏幕分辨率更关键，别被高屏幕分辨率误导90% similarUnverified热成像分辨率越高识别越精准但成本陡增，160×120与384×288价格可差3~5倍，多数固定近距离监测点位256×192已足够，不必盲目上高分辨率81% similarUnverified不要仅看热成像分辨率的宣传数字，需区分「红外真实分辨率」和「插值/软件放大后分辨率」，很多低价机标注的高像素是数字放大后的结果，真实探测器可能只有80×6081% similarUnverified分辨率优先看PPI而非总像素，300PPI是文字锐利的分水岭，低于212PPI的机型近距离可见颗粒感，选购时用屏幕像素除以对角线尺寸换算验证79% similarUnverified分辨率优先看清晰度而非单纯像素，2K(2560×1920)且带HDR宽动态才能在逆光门口看清快递单和人脸；仅1080p在强光背景下人脸易过曝79% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/404936API
curl https://kongchang.com/api/v1/knowledge/claims/404936MCP
get_claim(id=404936)