Muaj pes tsawg megapixels yog lub koob yees duab kev ruaj ntseg?
Muaj pes tsawg megapixels yog lub koob yees duab kev ruaj ntseg?

Video: Muaj pes tsawg megapixels yog lub koob yees duab kev ruaj ntseg?

Video: Muaj pes tsawg megapixels yog lub koob yees duab kev ruaj ntseg?
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Koj tuaj yeem hla ntau hom koob yees duab megapixelsurveillance ntawm lub khw niaj hnub no: 2 megapixel IP koob yees duab, 4megapixel kev ruaj ntseg koob yees duab, 5 megapixel Lub koob yees duab IP, 6 megapixel CCTV koob yees duab, thiab txawm tias 8 megapixel koob yees duab kev ruaj ntseg uas tseem hu ua 4K koob yees duab kev ruaj ntseg.

Tom qab ntawd, kuv xav tau pes tsawg megapixels rau lub koob yees duab kev ruaj ntseg?

Tag nrho megapixel koob yees duab muaj yam tsawg kawg nkaus ntawm 1, 000, 000pixels uas txhais tau tias cov duab yog muaj kab rov tav thiab ntsug 1, 000 x 1, 000 pixels.

Tsis tas li ntawd, puas yog 4 megapixels zoo dua 1080p? Raws li koj npaj rau nruab qhov zoo tshaj plaws soj ntsuam systems nrog rau sab saum toj-of-the-line video daws teeb meem, lob cov kev xaiv saum toj kawg nkaus; 1080p ib Siab txhais los yog 4 megapixel . A 1080p ib duab yog sib npaug rau 2.1 megapixels , uas txhais tau tias ntau dua 2 lab tus neeg pixels hauv thaj chaw saib ntawm lub koob yees duab teeb, thiab ntau paub meej rau saib.

Ib yam li ib tug yuav nug, puas yog 5 megapixel zoo dua 1080p?

yog, 720p HD Lub koob yees duab daws teeb meem muab cov duab uas yog 1280 x 720 pixels (uas ntxiv txog 921, 600 pixels, uas txhais tau tias 720p HD lub koob yees duab tsis technically a megapixel camera), thiab 1080p HD daws teeb meem Cov koob yees duab muab 1920x 1080-pixel daws teeb meem, los yog 2.1 megapixels.

Muaj pes tsawg megapixels yog 4k lub koob yees duab kev ruaj ntseg?

Cov duab sensors raug cais los ntawm tus naj npawb ntawm megapixels thiab lawv qhov kev daws teeb meem yuav txiav txim siab qhov kev daws teeb meem siab tshaj plaws ntawm koj kev ruaj ntseg tshuab. Yog li ib tug "real" 4 K Ultra HD zoo koob yees duab kev ruaj ntseg system yuav tsum muaj tsawg kawg yog 8- megapixel dluab sensor xa 2160p dluab thiab video.

Pom zoo: