CCTV [[electronic resource] ] : networking and digital technology / / Vlado Damjanovski

• Autore: Damjanovski Vlado <1956->
• Pubblicazione: Amsterdam ; ; Boston, : Elsevier/Butterworth Heinemann, c2005
• Edizione: 2nd ed.
• Descrizione fisica: 1 online resource (579 p.)
• Disciplina: 621.388
• Soggetto topico: Closed-circuit television
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references (p. 531-533) and index.
• Nota di contenuto: Cover; Title page; Copyright page; Table of contents; Preface; Introduction; First chapter; 1. SI units of measurement; The basic units; Derived units; Metric prefixes; 2. Light and television; A little bit of history; Light basics and the human eye; Light units; Measuring object illumination in CCTV; Light onto an imaging device; Colors in television; Color temperatures and light sources; Eye persistence; 3. Optics in CCTV; Refraction; Lenses as optical elements; Geometrical construction of images; Aspherical lenses; CTF and MTF; F and T numbers; Depth of field; Neutral density (ND) filters ; Manual, auto, and motorized iris lensesVideo- and DC-driven auto iris lenses; Auto iris lens electronics; Image and lens formats in CCTV; Angles of view and how to determine them; Fixed focal length lenses; Zoom lenses; C- and CS-mount and back-focus; Back-focus adjustment; Optical accessories in CCTV; 4. General characteristics of television systems; A little bit of history; The very basics of television; NTSC television timing chart; PAL B television timing chart; The video signal and its spectrum; Color video signal; Resolution; Instruments commonly used in TV; Oscilloscope ; Spectrum analyzerVectorscope; Television systems around the world; HDTV; 5. CCTV cameras; General information about cameras; Tube cameras; CCD cameras; Sensitivity and resolution of the CCD chips; Types of charge transfer in CCDs; Pulses used in CCD for transferring charges; CCD chip as a sampler; Correlated double sampling (CDS); Camera specifications and their meanings; Sensitivity; Minimum illumination; Camera resolution; Signal/noise ratio (S/N); Dynamic range of a CCD chip; Color CCD cameras; White balance; CMOS technology; Special low-light-intensified cameras ; Camera power supplies and copper conductorsV-phase adjustment; Camera checklist; 6. CCTV monitors; General about monitors; Monitor sizes; Monitor adjustments; Impedance switch; Viewing conditions; Gamma; LCD monitors; Projectors and projection monitors; Plasma display monitors; Field emission technology displays; 7. Video processing equipment; Analog switching equipment; Video sequential switchers; Synchronization; Video matrix switchers (VMSs); Switching and processing equipment; Quad compressors; Multiplexers (MUX); Recording time delays; Simplex and duplex multiplexers ; Video motion detectors (VMDs)Framestores; Video printers; 8. Analog video recorders; A little bit of history and the basic concept; The early VCR concepts; The video home system (VHS) concept; Super VHS, Y/C, and comb filtering; Consumer VCRs for CCTV purposes; Time-lapse VCRs (TL VCRs); 9. Digital video; Why digital video?; Digital video recorders (DVRs); The various standards; ITU-601: Merging the NTSC and PAL; The resolution of ITU-601 digitized video; The need for compression; Types of compressions; DCT as a basis; The variety of compression standards in CCTV; JPEG; M-JPEG; Wavelet ; JPEG-2000
• Sommario/riassunto: Closed circuit television (CCTV) is experiencing a leap in technology using digital techniques, networking and the Internet. The new edition of this high-level professional reference retains the particulars that made the first edition a success, including the details of CCD cameras, lenses, coaxial cables, fiber-optics, and system design, but it is expanded to cover all video compression techniques used in the ever increasing assortment of digital video recorders (DVRs) available on the market today. This new edition of the book CCTV demystifies DVR technology. It also serves to clarify the te
• Titolo autorizzato: CCTV
• ISBN: 1-281-01596-2; 9786611015961; 0-08-047219-2
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910815972903321
• Lo trovi qui: Univ. Federico II