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Description
Dahua 2MP 4x IR WizSense PTZ-camera (SD29204DB-GNY-W)Productbeschrijving SD29204DB GNY W is een moderne roterende IP camera. De 1 2,8" CMOS sensor produceert beelden van zeer hoge kwaliteit met een resolutie van 2 MP bij 25 fps. Een IR illuminator met een bereik tot 50 m met automatische vermogensaanpassing en een mechanisch IR cutfilter (ICR) maken gebruik in volledige duisternis mogelijk. De camera is uitgerust met een 2,8 12mm lens met een horizontale kijkhoek van 101,0 31,4, wat 4x optische zoom
Productbeschrijving
SD29204DB-GNY-W is een moderne roterende IP-camera. De 1/2,8" CMOS-sensor produceert beelden van zeer hoge kwaliteit met een resolutie van 2 MP bij 25 fps. Een IR-illuminator met een bereik tot 50 m met automatische vermogensaanpassing en een mechanisch IR-cutfilter (ICR) maken gebruik in volledige duisternis mogelijk. De camera is uitgerust met een 2,8-12mm lens met een horizontale kijkhoek van 101,0°-31,4°, wat 4x optische zoom mogelijk maakt. De camera is uitgerust met een microfoon en een reeks geavanceerde functies die ruis verminderen en de beeldkwaliteit verbeteren, zoals WDR120dB, 3D DNR, AGC, WB, BLC en HLC. De camera kan traditioneel worden gevoed met een 12VDC-voeding.
Dankzij uitgebreide netwerkfuncties kan de camera op elk TCP/IP-netwerk werken. Hij kan ook e-mails versturen naar voorgeprogrammeerde ontvangers. Toegang via het IP-netwerk is mogelijk via een webbrowser of speciale software, evenals vanaf mobiele platforms met gratis applicaties. ONVIF maakt het mogelijk om de camera te koppelen met apparaten van derden, waardoor het onderdeel is van een uitgebreid videosysteem. De camera heeft een ingebouwde wifi-module.
Dankzij WizSense-technologie ondersteunt de camera een reeks geavanceerde intelligente functies, waaronder: IVS-perimetrie: inbraakdetectie, lijnoverschrijding (deze functies maken classificatie en nauwkeurige voertuig- en persoonsdetectie mogelijk), gezichtsdetectie en SMD Plus (intelligente bewegingsdetectie).
Specificaties
| Camera | |
| Beeldsensor | 1/2,8" CMOS |
| Pixel | 2 MP |
| Maximale resolutie | 1920 (H) × 1080 (V) |
| ROM | 128 MB |
| RAM | 512 MB |
| Elektronische sluitertijd | 1/1s–1/30.000s |
| Scansysteem | Progressief |
| Minimale verlichting | Kleur: 0,005 [email protected] Zwart-wit: 0,0005 [email protected] 0 lux (IR-licht aan) |
| Verlichtingsafstand | 50 m (164,04 ft) (IR) |
| Aan/uit-regeling van de verlichting | Zoom Prior; Handmatig; Automatisch; Uit |
| Illuminatornummer | 2 (IR) |
| Lens | |
| Brandpuntsafstand | 2,8 mm–12 mm |
| Maximaal diafragma | F1.6–F3.0 |
| Gezichtsveld | H: 101°–31,36°; V: 53,51°–17,72°; D: 120,51°–36,05° |
| Optische zoom | 4× |
| Focusregeling | Automatisch; semi-automatisch; handmatig |
| Korte scherpstelafstand | 1,5 m (4,92 ft) |
| Irisbestrijding | Vast |
| PTZ | |
| Pan/Tilt-bereik | Pan: 0° tot 360° niet eindeloos Kanteling: 0° tot +90° |
| Handmatige snelheidsregeling | Pan: 0,1°/s–100°/s Kantelen: 0,1°/s–60°/s |
| Vooraf ingestelde snelheid | Pan: 100°/s; kantelen: 60°/s |
| Vooraf ingesteld | 300 |
| Tour | 8 (tot 32 presets per tour) |
| Patroon | 5 |
| Scannen | 5 |
| Uitschakelgeheugen | Ja |
| Stationaire beweging | Patroon; Voorinstelling; Scan; Tour |
| PTZ-protocol | DH-SD4 |
| Intelligentie | |
| IVS (Perimeterbeveiliging) | Struikeldraad; indringing; detectie van het passeren van een hek; detectie van rondhangen; achtergelaten/vermist object; snel bewegend; parkeerdetectie; mensen verzamelen; classificatie van menselijk alarm |
| Gezichtsdetectie | Ondersteunt gezichtsdetectie, momentopnamen en gezichtsverbetering; Ondersteunt gezichtsuitsparing: gezicht, foto van 2,5 cm; Vastlegstrategieën omvatten realtime-vastlegging en kwaliteit staat voorop. |
| SMD | Ja |
| Video | |
| Videocompressie | H.264H; H.264B; Smart H.265+; H.264; H.265; MJPEG (substream); Smart H.264+ |
| Streaming-mogelijkheid | 3 streams |
| Resolution | 1080p (1920 × 1080); 1,3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240) |
| Videoframesnelheid | Hoofdstream: 1080p/1,3M/720p@(1-25/30 fps) Substream 1: D1/VGA/CIF@(1-25/30 fps) Substream 2: 1080p/1,3M/720p@(1-25/30 fps) |
| Bitsnelheidsregeling | CBR/VBR |
| Videobitsnelheid | H264: 24 Kbps–8192 Kbps H265: 9 Kbps–5632 Kbps |
| Dag/Nacht | ICR: Auto; kleur; zwart-wit Elektronisch: Auto; kleur; zwart-wit |
| BLC | Ja |
| WDR | 120 dB |
| HLC | Ja |
| Witbalans | Auto; binnen; buiten; tracking; handmatig; natriumlamp; natuurlijk licht; straatlantaarn |
| Krijg controle | Auto; handmatig; versterkingsprioriteit |
| Ruisonderdrukking | 2D-ruisonderdrukking; 3D-ruisonderdrukking |
| Bewegingsdetectie | Ja |
| Regio van interesse (RoI) | Ja |
| Beeldstabilisatie | Elektronisch |
| Ontwasemen | Elektronisch |
| Digitale zoom | 16 × |
| Beeldrotatie | 180° |
| S/N-verhouding | ≥ 55 dB |
| Audio | |
| Audiocompressie | G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; PCM |
| Netwerk | |
| Netwerkpoort | RJ-45 (10/100 Base-T) |
| wifi | Ja |
| Wi-Fi-standaard | IEEE802.11b; IEEE802.11g; IEEE802.11n |
| Wi-Fi-frequentiebereik | 2,4 GHz |
| Wi-Fi-transmissiesnelheid | 75 Mbps |
| Maximaal transmissievermogen | ≤20 dBm@2400–2483,5 MHz |
| Netwerkprotocol | FTP; RTMP; IPv6; Bonjour; IPv4; DNS; RTCP; PPPoE; NTP; RTP; 802.1x; HTTPS; SNMP; TCP/IP; DDNS; UPnP; NFS; ICMP; UDP; IGMP; SMB; HTTP; SSL; DHCP; SMTP; Qos; RTSP; ARP |
| Interoperabiliteit | CGI; SDK; ONVIF (Profiel S&G&T); P2P |
| Streamingmethode | Unicast/Multicast |
| Gebruiker/Host | 20 (totale bandbreedte: 64 M) |
| Opslag | Micro SD-kaart (512 GB); FTP/SFTP; NAS |
| Browser | IE 9 en latere versies Chrome 41 en latere versies Firefox 50 en latere versies Safari 10 en latere versies |
| Beheersoftware | DMSS; DSS Pro |
| Mobiele client | iOS; Android |
| Certificeringen | |
| Certificeringen | CE: EN55032/EN 50130-4/EN 55035/EN61000-3-2/EN61000-3-3 CE-ROOD: EN300328/EN62311/EN301489-17 |
| Port | |
| Audio-ingang | 1 kanaal (LINE IN, kale draad, ingebouwde microfoon (wederzijds exclusief)) |
| Audio-uitvoer | 1 kanaal (LINE OUT, kale draad) |
| Alarmingang | 2 (aan-uit-waarde-ingang: 0–5 VDC) |
| Alarmuitgang | 1 |
| Alarmkoppeling | Vastleggen; opnemen; e-mail verzenden; voorinstelling; tour; patroon; digitale alarmuitgang; audio |
| Alarmgebeurtenis | Bewegings-/manipulatiedetectie; audiodetectie; detectie van verbroken netwerkverbinding; IP-conflictdetectie; detectie van de status van de geheugenkaart; detectie van geheugenruimte; detectie van stroomuitzonderingen |
| Stroom | |
| Voeding | 12 VDC, 2A ± 10% (optioneel) |
| Stroomverbruik | Basis: 5 W Max: 10 W (illuminator+PTZ) |
| Omgeving | |
| Bedrijfstemperatuur | –30 °C tot +50 °C (–22 °F tot +122 °F) |
| Bedrijfsvochtigheid | ≤ 95% |
| Bescherming | 6000V bliksembeveiliging; overspanningsbeveiliging; bescherming tegen spanningspieken |
| Structuur | |
| Productafmetingen | 117,4 mm × Φ132,1 mm (4,62" × Φ5,20") |
| Nettogewicht | 0,713 kg (1,57 lb) |
| Brutogewicht | 1,0 kg (2,20 lb) |
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4.5 ★★★★★
Based on 1430 reviews
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Product Reviews
★★★★★ 5
I wish Americans could read Kate Crawford’s book
Format: Kindle
It is a sad bit of irony that the “information revolution” has created a society in which the vast majority of Americans don’t know where their food or water come from. “I don’t get all this talk about drought. You just turn on the faucet and get all the water you want.” It’s no wonder that we’ve created an entire generation of Americans who have no idea where their computing resources come from. “I don’t get all this ‘cost of AI’ talk. ChatGPT is free. Just open your iphone and it will answer any question you have.” While Crawford’s Atlas of AI is a bit sesquipedalian, it is a comprehensive, well-organized, impeccably researched story of where all our miraculous computing power actually comes from. For all the Doomer talk of AI someday making humans extinct, Crawford shows that the way the most powerful American corporations are implementing AI is ALREADY causing vast harm to humans globally, and it will only continue to get worse. Not from some mythical science fiction robot suddenly becoming smarter than people, but from mass ignorance of the slow but steady human-driven global natural resource depletion and exploitation of the most vulnerable people. It’s doubly sad that our polarized culture war politics prevents most Americans from asking the critical questions that Crawford explores in her journey through the landscape of AI creation and production. This book is neither Marxist nor anti-capitalist. It simply argues that, just like there are better ways of managing our water and food resources, there is a better way to manage our computing resources—the first step being a common understanding that there is a natural resource and human cost to every floating point operation that a computer performs. I wish that Americans were able to read, understand, and appreciate such an important analysis of the biggest problem that will confront humans in the next few decades.
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Reviewed in the United States on December 3, 2025
★★★★★ 4
Removing data from databases or datasets.
Format: Kindle
If the share a video or photo option was working I would share the screenshot. However, I'll quote it.
"Most of the adults on the list had never been charged, but once they were included, ther was no way to have their name removed."
This needs more clarification as you can delete data from a database. Especially if web based, there should be CRUD principles added. If that was not the case there's still ways to delete the data or even change it's classification. I will give benefit of the doubt that there's an underlying reason it was said there was no way to remove or that I even misunderstood the context around it. Just seems a little like reaching by this point.
Also, I do like this book and a fresh perspective on data collection even though at times it seems to read a little emotional for what I was expecting of an Atlas. Regardless looking past the verbiage of emotions, this is a great book that does point out a lot of history with AI. Thank you for creating this book! Also giving more data to the internet to be used for.... AI... lol
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Reviewed in the United States on November 27, 2024
★★★★★ 5
A must read for ALL world citizens A must read again!!
Format: Paperback
Fabulous book. Wide ranging, every page full of information that ALL modern citizens should already know or should learn as we go to green technologies and even more dependence on AI and computers. These techs look 'all clean' and 'socially fair' when in fact at every stage (she takes us from design, to engineering to mining, to sales to production of techs) in this 'atlas' of AI we see pollution, inequality, power relationships hidden just beneath the surface. The tip of the AI/computer/green tech iceberg looks all white and clean........the rest (the filth, pollution and inequaity) are all hidden away. Just a tremendous book and not too hard to read. This book should be required reading for all college students, whatever their field!
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Reviewed in the United States on August 16, 2023
★★★★★ 3
Embitterment in regard to AI
Format: Kindle
AI is one of the most important innovations in the last decades. But the author of this book claims that the current application of AI is bad. It requires computers that use rare material, the mining of which harms the environment, and it uses inaccurate training data, to list some of the arguments presented in this book. But when considering these drawbacks against AI's blessing (automatic translation, contribution to medical research, etc.), the criticism seems to be not justified. The author blames AI for searching order in an infinitely complex world (in the Conclusion chapter), but she ignores that this is exactly what science does. The book also includes many interesting reviews of the history of science and AI. I enjoyed very much reading these reviews.
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Reviewed in the United States on August 2, 2021
★★★★★ 5
Engaging study of the underpinnings of AI
Format: Kindle
This “atlas” maps what is often forgotten when discussing AI: material needs like the extraction of lithium and other minerals from the earth with the destruction of nature that requires and the workers, as well as the epistemological constraints of classification and the false proxies of data. The book is engagingly written and easy to follow while richly sourced. I’ll probably assign at least a couple of chapters to undergrads in our digital culture program. I would have loved an audio book version - but I listened to it using automatic text to speech on my phone and it was surprisingly not awful. This is the first time I’ve done that with a whole book.
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Reviewed in the United States on May 13, 2021