{"id":12691,"date":"2024-04-21T12:16:30","date_gmt":"2024-04-21T10:16:30","guid":{"rendered":"https:\/\/strangercam.com\/?p=12691"},"modified":"2025-02-07T13:36:52","modified_gmt":"2025-02-07T11:36:52","slug":"how-is-a-webcam-structured","status":"publish","type":"post","link":"https:\/\/strangercam.com\/cs\/jak-je-webova-kamera-strukturovana-2\/","title":{"rendered":"Jak je webov\u00e1 kamera strukturovan\u00e1?"},"content":{"rendered":"

Webov\u00e9 kamery se vyvinuly z jednoduch\u00fdch senzorov\u00fdch a optick\u00fdch za\u0159\u00edzen\u00ed a\u017e po sofistikovan\u00e1 za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e1 v. video<\/a> konferenc\u00ed a \u017eiv\u011b<\/a> streamov\u00e1n\u00ed. Tento text se zab\u00fdv\u00e1 jejich v\u00fdvojem - od pr\u016fkopnick\u00e9 webov\u00e9 kamery s k\u00e1vovou konvic\u00ed v Cambridge a\u017e po dne\u0161n\u00ed HD a IP modely - a z\u00e1rove\u0148 zkoum\u00e1 kl\u00ed\u010dov\u00e9 vlastnosti, jako je rozli\u0161en\u00ed, zaost\u0159en\u00ed a osv\u011btlen\u00ed.<\/p>\n

Typy a struktura webov\u00fdch kamer<\/h2>\n

Webov\u00e1 kamera je pom\u011brn\u011b jednoduch\u00e9 za\u0159\u00edzen\u00ed se sv\u011btlocitliv\u00fdm sn\u00edma\u010dem um\u00edst\u011bn\u00fdm pod optick\u00fdm syst\u00e9mem, kter\u00fd p\u0159ev\u00e1d\u00ed p\u0159ij\u00edman\u00fd obraz na elektrick\u00e9 sign\u00e1ly. Digitalizovan\u00fd obraz je pot\u00e9 zpracov\u00e1n speci\u00e1ln\u00edm digit\u00e1ln\u00edm obvodem, kde je naform\u00e1tov\u00e1n a komprimov\u00e1n - pro svou jednoduchost se obvykle pou\u017e\u00edv\u00e1 metoda MJPEG. Pot\u00e9 je digitalizovan\u00fd obraz p\u0159enesen do p\u0159ipojen\u00e9ho za\u0159\u00edzen\u00ed.<\/p>\n