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Description
Dahua 8CH 1U 2HDDs WizSense Netwerkvideorecorder (NVR5208-EI2)Productbeschrijving Dit model is een 8 kanaals IP recorder uit de WizSense serie, die camera's met een resolutie tot 32 MP ondersteunt. Het apparaat biedt ruimte voor maximaal 8 IP camera's en 2 SATA harde schijven met een totale capaciteit tot 40 TB. De recorder is ideaal voor kleine en middelgrote IP bewakingssystemen en biedt geavanceerde functies op het gebied van kunstmatige intelligentie: gezichtsdetectie en herkenning, perimeterbeveiliging,
Productbeschrijving
Dit model is een 8-kanaals IP-recorder uit de WizSense-serie, die camera's met een resolutie tot 32 MP ondersteunt. Het apparaat biedt ruimte voor maximaal 8 IP-camera's en 2 SATA-harde schijven met een totale capaciteit tot 40 TB. De recorder is ideaal voor kleine en middelgrote IP-bewakingssystemen en biedt geavanceerde functies op het gebied van kunstmatige intelligentie: gezichtsdetectie en herkenning, perimeterbeveiliging, kentekenherkenning (ANPR), personentelling, heatmaps en SMD Plus-alarmfiltering. Verder beschikt het over 1 x HDMI (tot 8K), 1 x VGA, 2 x USB (1 x USB 2.0, 1 x USB 3.0), een RS-232-poort, een RS-485-poort en 1 x Gigabit Ethernet RJ-45.
Belangrijkste kenmerken
- Ondersteunt de decoderingsformaten Smart H.265+, H.265, Smart H.264+, H.264 en MJPEG.
- Maximale decodeercapaciteit: 40 × 1080p@30 fps of 8 × 8MP@30 fps.
- Maximale bandbreedte voor inkomend/opnemend/uitgaand dataverkeer: 448/448/448 Mbps.
- Ondersteunt IP-camera's met een resolutie tot 32 MP.
- Ondersteunt 8K HDMI-uitvoer.
- Ondersteunt N+M-clusters en iSCSI.
- AI by Recorder ondersteunt 4-kanaals gezichtsdetectie en herkenning, tot 20 gezichtsdatabases en 30.000 gezichtsafbeeldingen; 4-kanaals videometadata; 8-kanaals perimeterbeveiliging; 8-kanaals SMD Plus; 4-kanaals AcuPick.
- AI by Camera ondersteunt gezichtsdetectie en herkenning, perimeterbeveiliging, SMD, metadata, AcuPick, ANPR, stereoanalyse, heatmaps, personentelling, detectie van persoonlijke beschermingsmiddelen, slimme objectdetectie en slimme geluidsdetectie.
- Ondersteunt EPTZ en in en uitschakelen met één klik.
Specificaties
| Systeem | |
| Hoofdprocessor | Processor van industriële kwaliteit |
| Besturingssysteem | Embedded Linux |
| Bedieningsinterface | Web, lokale GUI |
| AI | |
| AI door Recorder | Gezichtsdetectie; gezichtsherkenning; videometadata (mensen, motorvoertuigen en niet-motorvoertuigen); perimeterbeveiliging; SMD Plus; AcuPick |
| AI door Camera | Gezichtsdetectie; gezichtsherkenning; videometadata (mensen, motorvoertuigen en niet-motorvoertuigen); perimeterbeveiliging; SMD; stereoanalyse; crowd distribution; personentelling; ANPR; voertuigdichtheid; heatmap; detectie van persoonlijke beschermingsmiddelen; slimme objectdetectie; slimme geluidsdetectie; AcuPick |
| AcuPick-prestaties van AI per recorder (aantal kanalen) | 4 kanalen |
| AcuPick-prestaties van AI per camera (aantal kanalen) | Alle kanalen (32 doelen/s) |
| Perimeterbeveiliging | |
| Perimeter Performance AI op basis van recorder (aantal kanalen) | 8 kanalen, 10 IVS-regels voor elk kanaal. |
| Perimeterprestaties van AI per camera (aantal kanalen) | Alle kanalen (32 doelen/s) |
| Gezichtsherkenning | |
| Gezichtskenmerken | Geslacht; leeftijdsgroep; bril; gezichtsuitdrukkingen; gezichtsmasker; baard |
| Prestaties van gezichtsherkenning door AI per recorder (aantal kanalen) | 4 kanalen (tot 12 gezichtsafbeeldingen per seconde per kanaal) |
| Prestaties van AI-gezichtsdetectie via camera (aantal kanalen) | Alle kanalen (32 doelen/s) |
| Gezichtsherkenning | |
| Capaciteit van de gezichtsdatabase | Tot 20 gezichtsdatabases met 30.000 afbeeldingen, met een totale capaciteit van 3,75 GB. Aan elke gezichtsafbeelding kunnen naam, geslacht, geboortedatum, adres, type legitimatiebewijs, legitimatienummer, land en regio en provincie/staat worden toegevoegd. |
| Prestaties van AI voor gezichtsherkenning per recorder (aantal kanalen) | 1. 8-kanaals FD (via camera) + FR (via recorder), beeldstroom: 8 gezichtsbeelden/s 2. 4-kanaals FD (via recorder) + FR (via recorder), videostroom: 24 gezichtsbeelden/s |
| Prestaties van AI-gezichtsherkenning via camera (aantal kanalen) | Alle kanalen (32 doelen/s) |
| SMD | |
| SMD Plus van Recorder | 16 kanalen: Secundaire filtering voor mensen en motorvoertuigen, waardoor valse alarmen veroorzaakt door bladeren, regen en veranderende lichtomstandigheden worden verminderd. |
| SMD door Camera | Alle kanalen (64 doelen/s) |
| Videometadata | |
| Metadata-prestaties van AI per recorder (aantal kanalen) | Extractie van 4 kanalen en 22 kenmerken. |
| Metadata-prestaties van AI per camera (aantal kanalen) | Alle kanalen (16 doelen/s) |
| Persoonlijke eigenschappen | Bovenkleur, boventype, onderkleur, ondertype, hoed, tas, leeftijd, geslacht en paraplu |
| Kenmerken van motorvoertuigen | Kentekenplaat, kleur van de kentekenplaat, carrosserie, model, logo, bellen, veiligheidsgordel, interieur, locatie van voertuigregistratie |
| Niet-motorvoertuigkenmerken | Voertuigmodel, voertuigkleur, aantal personen, helm |
| Vergelijking van kentekenplaten | |
| ANPR via camera (aantal kanalen) | Alle kanalen (8 doelen/s) |
| Capaciteit van de kentekenplaatdatabase | 1. Maak tot 20.000 kentekenplaten aan. 2. Blokkeer- en accepteerlijst. |
| Audio en video | |
| Toegangskanaal | 8 kanalen |
| Netwerkbandbreedte | AI uitgeschakeld: 448 Mbps inkomend, 448 Mbps opnemen en 448 Mbps uitgaand. AI ingeschakeld: 200 Mbps inkomend, 200 Mbps opnemen en 200 Mbps uitgaand. |
| Resolutie | 32 MP; 24 MP; 16 MP; 12 MP; 8 MP; 6 MP; 5 MP; 4 MP; 3 MP; 1080p; 720p; 960p; D1; CIF; QCIF |
| Decodeermogelijkheid | AI uitgeschakeld: 2-kanaals 32 MP@25 fps; 2-kanaals 24 MP@25 fps; 5-kanaals 16 MP@30 fps; 6-kanaals 12 MP@30 fps. AI ingeschakeld: 1-kanaals 32 MP@25 fps; 2-kanaals 24 MP@25 fps; 4-kanaals 16 MP@30 fps; 5-kanaals 12 MP@30 fps; 8-kanaals 8 MP@30 fps. |
| Video-uitvoer | 1 VGA, 1 HDMI VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 HDMI: 7680 × 4320, 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 Heterogene video-uitgang voor HDMI en VGA |
| Weergave van meerdere schermen | Hoofdscherm: 1/4/8/9 Subscherm: 1/4/8/9 |
| Toegang tot camera's van derden | ONVIF; Panasonic; Sony; Axis; Arecont; Pelco; Canon; Hanwha |
| Compressiestandaard | |
| Videocompressie | Smart H.265+; H.265; Smart H.264+; H.264; MJPEG |
| Audiocompressie | G.711a; G.711u; PCM; G726 |
| Netwerk | |
| Netwerkprotocol | HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP-filter; FTP; DDNS; SNMP; Alarmserver; P2P; Automatische registratie; IP-zoekfunctie (ondersteunt IP-camera's, DVR's, NVS, enz.); iSCSI |
| Toegang via mobiele telefoon | iOS; Android |
| Interoperabiliteit | ONVIF 25.06 (Profiel T; Profiel S; Profiel G; Profiel M); CGI; SDK |
| Browser | Chrome; IE; Safari; Edge; Firefox |
| Opname afspelen | |
| Multikanaals weergave | Tot 8 kanalen |
| Opnamemodus | Algemeen, bewegingsdetectie; intelligent; alarm; POS |
| Back-upmethode | USB-apparaat en netwerk |
| Afspeelmodus | Direct afspelen, algemeen afspelen, afspelen tijdens een evenement, doelvideo, videoclip, afspelen met tags, slim afspelen (gezichts- en bewegingsdetectie) |
| Opslag | |
| Schijfgroep | Ja |
| Alarm | |
| Algemeen alarm | Bewegingsdetectie; lokaal alarm; alarmkast; extern alarm via camera; netwerkalarm; scèneverandering; PIR-alarm; thermisch alarm |
| Anomaliealarm | Fout (geen schijf; schijffout; te weinig ruimte; te weinig quotumruimte; abnormale schijfstatus; netwerkonderbreking; IP-conflict; MAC-conflict; abnormale ventilatorsnelheid); videoverlies; videomanipulatie; camera offline; audiodetectie |
| Intelligent alarm | Gezichtsdetectie; perimeterbeveiliging; gezichtsherkenning; videometadata (mensen, motorvoertuigen en niet-motorvoertuigen); SMD Plus; stereoanalyse; crowd-distributie; personentelling; ANPR; voertuigdichtheid; heatmap; detectie van persoonlijke beschermingsmiddelen; slimme objectdetectie; slimme geluidsdetectie |
| Alarmkoppeling | Opnemen; momentopname (panoramisch); lokale alarmuitgang; IPC externe alarmuitgang; audio; zoemer; logboek, vooraf ingesteld; e-mail |
| Port | |
| Audio-ingang | 1-kanaals RCA |
| Audio-uitgang | 1-kanaals RCA |
| Alarmingang | 4 kanalen |
| Alarmuitgang | 2 kanalen |
| Schijfinterface | 2 SATA-poorten, elke schijf kan tot 20 TB bevatten. Deze limiet kan variëren afhankelijk van de omgevingstemperatuur. |
| RS-232 | 1 |
| RS-485 | 1 |
| USB | 2 (1 USB 2.0-poort aan de voorzijde, 1 USB 3.0-poort aan de achterzijde) |
| HDMI | 1 |
| VGA | 1 |
| Netwerkpoort | 1 (10/100/1000 Mbps Ethernet-poort, RJ-45) |
| Algemeen | |
| Voeding | 12 VDC, 4 A |
| Stroomverbruik | Het totale uitgangsvermogen van de NVR is ≤ 10 W (zonder HDD). |
| Nettogewicht | 1,55 kg (3,42 lb) |
| Brutogewicht | 2,77 kg (6,11 lb) |
| Productafmetingen | 375,0 mm × 284,8 mm × 56,0 mm (14,76" × 11,21" × 2,20") (B × D × H) |
| Verpakkingsafmetingen | 427,0 mm × 137,0 mm × 356,0 mm (16,81" × 5,39" × 14,02") (B × D × H) |
| Bedrijfstemperatuur | –10 °C tot +55 °C (+14 °F tot +131 °F) |
| Bewaartemperatuur | –20 °C tot +60 °C (–4 °F tot +140 °F) |
| Bedrijfsvochtigheid | 10%–93% (relatieve vochtigheid), niet-condenserend |
| Certificeringen | CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014 CE-LVD: EN 62368-1:2014 |
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4.6 ★★★★★
Based on 173 reviews
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Product Reviews
★★★★★ 5
Review - Tweet Cute
Format: Hardcover, Format: Hardcover
**Disclaimer: I was given a free e-ARC of the below in exchange for an honest review from NetGalley**
Title Tweet Cute
Author Emma Lord
Release Date January 21, 2020
Description from Amazon
Meet Pepper, swim team captain, chronic overachiever, and all-around perfectionist. Her family may be falling apart, but their massive fast-food chain is booming ― mainly thanks to Pepper, who is barely managing to juggle real life while secretly running Big League Burger’s massive Twitter account.
Enter Jack, class clown and constant thorn in Pepper’s side. When he isn’t trying to duck out of his obscenely popular twin’s shadow, he’s busy working in his family’s deli. His relationship with the business that holds his future might be love/hate, but when Big League Burger steals his grandma’s iconic grilled cheese recipe, he’ll do whatever it takes to take them down, one tweet at a time.
All’s fair in love and cheese ― that is, until Pepper and Jack’s spat turns into a viral Twitter war. Little do they know, while they’re publicly duking it out with snarky memes and retweet battles, they’re also falling for each other in real life ― on an anonymous chat app Jack built.
As their relationship deepens and their online shenanigans escalate ― people on the internet are shipping them?? ― their battle gets more and more personal, until even these two rivals can’t ignore they were destined for the most unexpected, awkward, all-the-feels romance that neither of them expected.
Initial Thoughts
Ok, can I just take a minute to talk about the fact that I’m reviewing a book that’s coming out in 2020?!? Seriously, where did the year go? It feels like just yesterday I didn’t even know what an ARC was, and now, I’m reviewing books for 2020! Anyway, I was chosen for a Blog Tour of this book in January but I couldn’t resist reading it early and writing this review.
Some Things I Liked
Gossip Girl vibes. I. Love. Gossip Girl. This book had all the best parts of that story without any of the needless bitchy-ness. I loved that. And, it was self-referencing (in a way). The story cited its parallels to the hit show and I just loved that.
Additionally, I loved all of the references to various bits of pop culture.
Alternating POV. This was perfectly done. Since our main characters are both harboring secrets that the other doesn’t know, the POVs made this story so much more fun to follow.
Grilled Cheese. Buddy the Elf’s food groups are candy, candy canes, candy corns, and syrup. Mine are grilled cheese, mac and cheese, donuts, and peanut butter cups. This whole story revolved around one of the most epic foods in existence.
I also really enjoyed the multi-generational element in both of these rivaling restaurants.
Favorite Quote
“Full-time vice principal and part-time thief of joy.”
“Thief of joy” is one of my favorite things that Michael calls Dwight on The Office. When I saw it used here, I literally laughed out loud.
Final Thoughts
This book was adorable. I loved every page. I applied for it kind of on a whim since I really don’t read many contemporary novels but this really caught my eye. I’m so excited to be participating in the blog tour in a few months.
In the meantime, ADD THIS TO YOUR TBR, like ASAP (or as Michael Scott would say, ASA P as possible 😉).
⭐⭐⭐⭐⭐
Recommendations for Further Reading
Flawed by Becky Bird – if you like cute, contemporary romance stories, definitely give this new release by Becky Bird a try.
Cupid’s Match by Lauren Palphreyman – this book isn’t out yet but if you enjoyed the setting and characters in Tweet Cute, definitely give this new release a try.
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Reviewed in the United States on January 26, 2020
★★★★★ 3
cute enough but not a reread
Format: Kindle
there's a ton of descriptive text, not enough character dialog for me. the story was okay, but the bulk of the plot development happened in like the last 3 chapters. the first 60% of the book was just boring in a way. the story kept focusing on the wrong feud in my opinion and it wasn't entertaining. just my opinion. i could've lived without this read
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Reviewed in the United States on September 9, 2020
★★★★★ 4
Maybe…
Format: Paperback
⭐️=3.5 (rounded to 4)
🌶️=0
Age rating=13+
Ok so ngl I don’t get the hype for this book, it feels laggy and forced at times, and the idea is great (twitter war, stolen grilled cheese recipes, etc) but I believe the outcome didn’t quite reach the mark as I was hoping. Overall I wasn’t in love but still happy I read it, if your looking for smth similar I highly recommend authors Sarah Desson, Clara Neilson, and Alex Light.
—MaryLRogers😘
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Cute, fun, witty story!
Format: Hardcover
4.5 stars from me because this is the cutest, wittiest, most fun story I’ve read in awhile. Debut author and former Bustle employee, Emma Lord, knows the Twitterverse and modern landscape in which she writes and it shines brightly. On top of being deeply invested in this story, I think I have an extra appreciation for this because I work in social media, and love all the talk of brands, campaigns, PR moves on social, etc. Which brings us to our characters...
Jack and Pepper are classmates whose families own popular, competing restaurants in NYC. One day, a Twitter feud breaks out between the twos business leaving Jack & Pepper unknowingly dueling it out in a battle of wits and memes from their respective brand pages. What happens when they find out who is on the other side of the tweet war? And what about all of those feelings they’ve developed for each other IRL? Tweet Cute masterfully tells the story of growing up in the modern world and finding yourself, and your people along the way.
While this is labeled “romance” and certainly is at times, I would say that the romance aspect is a slow burn and actually isn’t what made me love this novel. I loved it for it’s sweet, sweet storyline that tied in everything millennials & gen Zers deal with on a daily basis (social media, viral posts, etc.) with its witty quips, fun characters and so much more. Jack, Pepper, and all of their respective family members and friends are characters I can totally see living in a TV series someday, that’s how much fun they are.
If you’re looking for a breezy, lighthearted, adorable story to lose yourself in this year, add Tweet Cute to your TBR, now!
I want to thank NetGalley, Emma Lord and Wednesday Books for giving me an ARC of this book in exchange for an honest review.
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Reviewed in the United States on January 22, 2020
★★★★★ 5
Great fun read
Format: Kindle
Pepper is your typical high school perfectionist and overachiever, something she has control over while her family is falling apart. Her mom is busy keeping their-once small town-fast food restaurant off the ground as an ultra successful chain, and let’s be realistic here, Pepper is as well since she secretly has a large hand in the social media aspect. Her sister is away at college and has a strained relationship with their mom and their dad is back in their hometown managing the original Big League Burger.
Jack is the son of a rival burger shop, twin, and class clown. He usually prefers to fly under the radar where most things are concerned, perfectly content with hiding away developing his apps. Apps like the one being banned at school. The one he designed, for students only, to anonymously post under the guise of an animal. That is, until Big League steals his family’s grilled cheese recipe. Only then does he find himself locked in a twitter war with Pepper. What neither realize is that they’re falling for each other behind animal faces on his app while the twitter war goes viral.
I enjoyed this book, but I didn’t love it quite as much as the other work I’ve read by Emma. I found the beginning a little hard to get into and I wasn’t a huge fan of how the two were forced to spend time together, but after four chapters or so I was hooked and didn’t want to put it down. The banter we love is there between the characters and they’re almost sickeningly cute together. Though I have to admit, I love the PepperJack ship. The name is too perfect. I loved Jack’s opinion of being on Twitter, yelling into a void. Just a great, fun read overall.
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Reviewed in the United States on January 27, 2023