Remove grain and color speckles from noisy photos using OpenCV's non-local means denoiser — the same algorithm behind many desktop tools. Tune luminance and chroma strength separately and pick a quality preset. Supported media processing runs locally; your image content is not uploaded for supported processing workflows.
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Rekebisha na Angalia
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Remove grain and color speckles from noisy photos using OpenCV's non-local means denoiser — the same algorithm behind many desktop tools. Tune luminance and chroma strength separately and pick a quality preset. Supported media processing runs locally; your image content is not uploaded for supported processing workflows.
Badala ya kufanya wastani wa pikseli za jirani pekee, NL-means hutafuta ndani ya dirisha vipande vinavyofanana popote karibu na kuvifanyia wastani. Muundo unaojirudia hubaki huku kelele za nasibu za sensa zikighairika.
Nguvu ya mwangaza hulenga kelele za ung'aavu; nguvu ya rangi hulenga madoa ya rangi (madoa ya wekundu/kijani yanayozoeleka kwenye picha za ISO ya juu). Kelele za rangi kwa kawaida huvumilia uchujaji mkali zaidi bila kupoteza umbaji unaoonekana.
Kuna ulaini fulani wa asili kwenye viwango vya juu vya nguvu. Anza karibu 10/10, kagua umbaji laini kama nywele au kitambaa, kisha ongeza nguvu ya rangi kwanza pekee — usafishaji wa rangi karibu haugharimu chochote kwenye ukali unaoonekana.