Surveillance Codec Guide

Author: IPVM Team, Published on Jan 03, 2019

Codecs are core to surveillance, with names like H.264, H.265, and MJPEG commonly cited. How do they work? Why should you use them? What issues may you face? In this tutorial, we examine this in-depth covering:

  • Uncompressed vs. Compressed Video
  • Inter vs. Intra Frame Compression
  • I vs P Frames
  • Other Frame Types
  • H.264 vs H.265 vs MJPEG
  • H.265 Emergence
  • Smart Codec Growth
  • Proprietary Codecs
  • Scalable Codecs - JPEG2000, SVC
  • Quality of Codecs
  • Codec Support in Surveillance
  • Future Codecs
  • What Codecs to Choose?

****** *** **** ** ************, **** ***** **** *.***, *.***, and ***** ******** *****. *** ** **** ****? *** ****** you *** ****? **** ****** *** *** ****? ** **** tutorial, ** ******* **** **-***** ********:

  • ************ **. ********** *****
  • ***** **. ***** ***** ***********
  • * ** * ******
  • ***** ***** *****
  • *.*** ** *.*** ** *****
  • *.*** *********
  • ***** ***** ******
  • *********** ******
  • ******** ****** - ********, ***
  • ******* ** ******
  • ***** ******* ** ************
  • ****** ******
  • **** ****** ** ******?

[***************]

Uncompressed **. ********** *****

*********** *** ************ ***** ** **********, ** ******* *** ******* demands ***** ****** ** **** ******* *** ************.

**** ***** ** *********, ** ** ********* ************. ***** *** 3 **** ******* ** *** **** ** ************ *****:

  • *** ***** ** ****** ********* *** **** *****
  • *** ***** ****** ** ****** *** *****
  • *** ***** ****** ** ****** *** ******

** **** *** ***** ****, *** ******** **** ** *****. Let's **** ******* **** ** *****.

***** ******

**** ***** ** ***** * ***** *********** ** * ****** within * *****. *** ***** ********** *** ********* *** ***** can ** ******* *** **** ******* ******* *** *********/****.

  • **** *********, ***** ********** *** * ***** ** *** ****** (8 ****) **** * ************ *****, *** ************ ***** *** the ******* ** ******* ************ ****** ** ****.
  • ** ******, ****** *** ************ ***** ***** ******** ***** ** the ***** ** ****** ****** ** ********* *** *** ****** is *** *******. ** **** ** **,*** ****** ** ******.

**********/********* ******

*** ***** *** ******* *** *** ****** ** ********** ** they *** ************* ** *** *** ******, *********** ********** ***** ******** ***** ******:

** **** ******** *** ******, ****** ****, *****, *****, ***. *** **** ******** ** surveillance ******* (>**% ** *** *******) *** ******** ** ******* 5 *** ** *** (********** ***** **** ***** ************ ****).

Adding ** **

**** ** ******** **** ** *********** *** ******* ************ ***** can ******. **** * ***** ***** ****** ** *****. ************ it ** *** ******* ** *** *********:

*********** ***** ***** ******* ******* ** ~* **/* *** ************ 1080p/30fps *****. ** * ***, ** **** ****, *** ***** have ~***** ** ******* **** * ****** ******. ***** **** drives ******** ** *** ******, * ** ****** ************ ************ system ******* *** ** ****, ***** **** ****** **** ** storage ****** * *** ******* **** ****** **** ***** **** hundreds ** ********* ** *******.

Codecs *** ***

******* *** **** **** ** ************ *****, ********** ************ ******* of ** ******* ********* *** ** ******** *** ** **** small **********. *** **** **** ******? ******.

***** ****** *** *********** / ************* *** *** *** ** compression ** *** ******* ******* ** ******** ********* / ******* consumption.

****** ***** ***** ** ***** ***** *** *** ****** ***** is ********** ******** ** **** ****** *** ****** **** * small ****** ** ******* ******. ****** ******** ***** ** ******** the ****** ** ****** ******** ***** ******** ***** ****** **** the **** ** ******* ******, ******** ** ** ******** *** lower ******* ** ****.

Inter **. ***** ***** ***********

***** *** *** *********** ********** ** ***********: *****-***** *** *****-*****. It ** ******** ** ********** *** ************ ******* *** *** as **** ****** ********* ***********, ********** ***** ************, *** ******* risks.

  • *****-***** *********** ** ****** * ****** ***** **** *** *** across ****** (******* - *****)
  • *****-***** *********** ** ****** ******** ****** *** ****** ****** ****** (examples - *.***, *.***, ****-*)

*** ****** ******* *****-***** *********** *** **** **** **** ******* both ***** *** ***** ***** ***********.

Intra-frame ***********

*****-***** *********** **** ***** ** *** ***** ** * ****, doing *** **** ** ******** **** ** ** **** *****. Even ****** ***** ** * ****** ** ******, *****-***** *********** sees **** * ***** ** * ****, ******** *** "******." An *****-***** ***** ******'* ********** ****** **** **** *** ****** of * *****:

*** ****** ** **** **** ** ****** ** ** *************** and **** ************* ******** *****. *** ********, * *****/***** ***** stream ***** ** *****-***** *********** **** ***** *** **** *** bitrate ******* **** ~**** **/* ** ~****/*. *******, *** ******** is **** **** **** ******* *** ********* ** *** ******* between ******.

Inter-frame ***********

***** *****-***** ***********, *** **** ** *** ***** ****** *** frame *******, *** ***** ******** ******** ****** ** ******* ******** the *****. **** ** ******** ******* ***** **** ****** ******* from *** ***** ** *** ****. *** *******, ***** *** same ***** ** * ****** ******, *****-***** *********** ***** **** only *** *******'* ***.

**** ** **** ** * ***** ***** ********* ******, ******* only ******* ** *** ***** ***** *********** *********/*******. *** ********, the **** *****/***** ****** **** ***** **** ****/* **** *****, an *****-***** **** *****, *** **** **** ***/* **** *.***, a ***** **** **** ****.

*******, *** **** ******** ** *****-***** *********** ** **** ** is *** **** *************** *********, ***** *** ******** *********** *** quality ***** (******** *****).

I ** * ******

***** *** *** *** ***** ***** ** *****-***** *********** **** as *.***/*.***.

*-******

*** ***** ***** ** * ***** ***** ** ******** ** called ** *-*****, ***** *** *****-*****, *** ** *********** * full ***** ** *****, ** ******* ** **** ******* ***** in * ******. *** ******** ******* *** *-****** ** ******** to ** *-***** ********, *** (***** ** *****), ** *** (group ** ********).

** ** *******, **** ***** ***** *** *-***** ** ** outdoor ***** **** ** *** ******* (***** *** **** ****):

i-frame contains full frame information

*-******

*-****** ********* *** **** ***** ** *** ******** *-***** ** send **** *** ******* ** *** *****. ******* *** ** small, **** ** ******* ***** ** ***** ******* ********, ** large, **** ** * *** ****** ****** **** ****** ** preset. *** * ** *-***** ****** *** "**********."

*** ******* **** ** * *-***** **** *** **** ***** can ** **** ** *** ***** ***** (***** *** **** size). **** *** ***** **** *** ****, ***** **** ******, and ****** ******* ** *** *****, *** **** ** *******.

p-frame contains only changes in scene

******* ***** ******** ** *** **** *****, *** *-***** ******* can ** **** "********" **** **** *****, ***** *** **** I-frame ** **** (~** *******).

Other ***** *****

**** **** ***** *** ***** ***** ***** ** ******** ** I *** *, **** ** *, **, *** **, ****** they *** ********* ****** ** ************. **** ** ******* ******* B-frame *******, *** *** *** ***** *** ******* ** ******** decoding ****, ** **** *** ********* *** ****.

Standard ******

** *** ********* ** ****, **** *** *********** ***** *** H.264. ***** *.*** ******* *** *** ****** *** *** *********** is *********, *** **** *********, *** **** ** ***** *******, and ******* ********* ***** **** **** *.*** ** *** **** common ****** (*** ***** *** **** *******).

***** ** ***** **** ** **** ***********, ********* **** ******** by *** **** ** *** ********** ************ **** ** *** or ***** *********. *******, ************* **** ***** ** ***** ******* for *****, ******** ****** *** ********* ** ***** ******.

******** ** ** *****-***** ***** ******* ** *****, *** ******** (see *****). ** *** **** ***** *** *** *** ** Avigilon, *** *** **** **** ******* ****** *** ** *******/** *****. ******, **** *********'* ***-**(**** ***'* **************) ************** *** ********.

H.265 ******** *** ***** *******

*** *** **** *** *****, *.*** *** **** *** **** big *****, ********* ** ******* *.*** *** ****** ******** ** another ~**%. *******, ***** *** *** ******** ********** *** ********** implementation:

  • ******* *****:***** *** ****** **** ***** ** *.*** ******** ** ******* bitrate **********, ***** **-**% ** ****, *** ***** ** *.*** show **** **-**% ******* **** *.*** ** **** ******. ***** this **** *** *** ***** ******** ** ****/******** ** **** of **** **** ******, *** ******** ** *.*** *** *** as ********** ** *** ***********.
  • ********* *** ****:** *** *****, ******* *.*** ******* ******** ************* **** ********* load **** ********** ***/********** *.*** *******, ** **** ***** ******, which ***** ******* *** ******* ************ ** **** *************.
  • *********** ********:******, ***** **** ********* *.*** ********, * ***-******* *********** *******, though **** ******* ******* *** ** *** ***** ****** ** current *.*** ****** *** ******* *********/******* *******.
  • ******* ***** ***********:*******, ****** ** *.*** ******* *** ***** ****** ** **** ONVIF *********** ***** *** ********** ** ***** ****** *******,******* *, ***** *** ******** ** ** **** **** ******* ********** products. ****** ************* **** **** ** ********* *.*** ***** *****'* 2.4 ****, *** ***** *** ** *********** **** ***** **** profile *** ********. ** ****** *.*** ******* * ******* ** grow ******* ** ****.

** ****** *.*** ** ******** ** ******* ** ** *******, but ***** ******* ******** ***** **** ** ********.

*** *** ***** ***.*** ** ******* ****** ** *.*********** *.*** ******* **** *******.

Proprietary ******

************ *** *** * ******* ** *********** ******, *** **** few ** ***** *** ** *** ** ****. ** ***** analog *******, ***** *** *******, ****** *** ******* ** *** same ********* (*.*., * ***), ****** ** ****** ** *** a *********** ***** ** *** ************ ********** *** ****** *** to *** *******.

*******, ** ******* ****** ***** ** ********** *** **** **** to ******** **** ******* ***** ** * ********/*** *** ******* and ******** **. *********** ****** ******** *** ********** ** *******, managing, *** ********** ***** ** **** **** **** ** ********** to *** ***. *** **** ***** ** ***** **** *** multiple *********** ****** **** ********* **** ** ****** ************ ******.

Mobotix ***** *********

*******'******** *** **** ****** ***** *********** ***** **** ** ***** surveillance. ********** ** ****, ***** ******** *****-***** ***********, ********* **** MJPEG *** ******** ********* *********** ******** ** ** (*** *** *****). *******, ***** ** ** ***********, **** *** *** ***** VMSes ******* **, ******* **** ** ****** *** *******'* *** VMS ** ** *** ******* ******* ** *****. ***********, *.***'* bandwidth *********** ** ********* **** ***** **** *** ********** ***** stream, ******* ******** *** **************.

Smart ******

** *** **** *-* *****, *.*** *** *.*** ***** ****** have ****** ******, ****** ** ******* ****** ******** ******** ** standard *.***/*. ******* *** ***** ***** ****** ******** ******, *** generally **** *** *** **********, ******** *****. ******* ****** *** our***** ***** ******** **** ******* ** ***** ************.

Smart ***********

******* ** ******** *** **** *********** ***** ** *** ****** scene, ***** ****** *********** ****** *********** *** ******** ** *** camera's ***. *** *******, ******* ** *** ***** *****, *********** could ** *** ** "***" *** *** ******** ****** ** keep ******* ****, *** *** ***** ********** *** ** *** to "****", ***** ** ** *** **** ******* ** *** white ****.

dynamic compression varies depending on activity

Dynamic *-***** ********

******, ***** ****** ********* *********** ****** *-***** ******** ***** ** activity ** *** *****. ** ** * ***** *** ****** or ** ******, *** ****** ***** *-****** ************ (*, **, 20 ******* ** ****), *** **** ******** ** ******** ** the *****, ** *********** ***** ** *-***** *** ******** **** to ****** (********* * ******) *-***** ********* ** **** ** activity *********.

**** ***** **** * ****** ******** ***** *** ******* ** dynamic *-***** ********:

Smart ***** ********

** *** *****, ***** ****** **** ******* ******** *************, ~**% at * *******, *** ** ** **%+ ** **** ******. These ****** *** **** ********* ** ***** ******, ** *-***** intervals ****** ****** *** *********** ****** *** ** *** **** of ********. *** ******** ***** ******** **** *******.

H.264 **. ***** *******

***** *.*** ** ******* *** **** ****** **** ***** ** surveillance, *** **** ***** * ****** ****** ******* ***** ******* loss ******** ** *****, *** **** ***** ** ******* *.*** is ********, **** ** ****. ************ *.*** ** ***** ********* ****, **** ******** **********, *.*** ******** *** **** ******* quality ** *****.

*******, ***** *** **** ****** **** *** ********* *******, *********:

  • ******* **** *********** ******:** ************** ********* *** *** ****, *** ***** **** **** ******* ***********. See ***** ****** ************ *********** ************* **** ******* *** *** ******** ************* ****** ***********.
  • **** ********** ******:**** ****** ***** *** ******* ** ******* ******, ***** ***** is **** ** ****** - *************, ******, ***.
  • ******* *** ******** *** *****:******* **** *** *** *** **** ** *** *** ***, the ***** **** **** ******* ***********.

*******, ** **** *****, **** **** ***** ******* ********, *.*** has ********* ******* ******* ** ***** ** *** *****.

Scalable ******

**** ****** *** **** ******* * ****** **********. *** ********, changing **** * *** ****** ** * *** *** ***** MJPEG ** *.***, ******** ****** ******** * ********** *** ****** or *********** (*.*. **-**********) *** *** ****** ** **** ** 1MP. *******, ** **** ***** *** **** ** ****** *** stream ********** ******* ********* * *** ******, *** ********, ** you *** ******* ** * ****** **** * ***** ********* connection (*.*., ******) ** **** ** ****** ******* **** ** older *****.

* ******* ***** ** ******, ****** '********', *** ** **** automatically, ******* ****** ** ******* * *** ****** ** **-******* an ******** ******. * ******** ***** *** *********** '****' *** frames ** ********** ****** **** **** *** ** * ******. This ****** ******* ****** ** ********** **** **** ** **** as *********** ********* ********** / *** *** ****** / ****** clients.

***** *** *** **** ***** ******** ******:

  • *** ** *.*** **** ***********. *** **** **** ** **** it ******** *********** **** *** ********* ******** ** *.***. *************, very *** ************* ******* ****. **** ********** **** ******* *****-********* (sending ******** ******* ************** ** ********* **********/***** *****).
  • ********, ***** ** *********** *****, **** *** ******** ** ***********. This ** *** ***** **** ******** ************* **** *** *** phased *** ** *** *******. *** **** ******** ** ********, like *****, ** ******* *********/******* ******** ******** ** *.***, **** partially ****** ** *******.

*** *********** *** **** **** ****, **** ****** ****** ******** despite ************ ** **** ******* (** ***** ** *****) *** several *****. **** *** ******* ********** ** *.*** ***** ****** (which ******* ****** ** ** *** *** ***********) *** *.*** taking **********, *** ** ******** ** ****** * ***** ****** in ************ ******.

Future ******

***** **** *********** ****** *** ********* ** *******, ** ** highly ******** **** *** *** ************ **** **** **** **** adoption ** ************.

*** ********, **** ********** ***** ******* ********* ******* **** ***** proprietary ******, **** ********* ******** *** / *******. *******, **** ***** ******* **** ****** ************* *** *** developers ** ********* ***** ****** ** ***** ********. ************, ***** the *********** ******* ********** ** ***** ******, ***** *** ********** with *** ******** ** ******* *.*** *********/***, *** ********** ** development ** *** ***** *********** ****** ** **** **** ********.

**** **** ********* ******'**** *** ********* ** ************* ** ************, ********** ** * *******-**** *********** to *.*** (***** *** ************ *** ******* ****). *******, ***** ****** *** ****** ** ** ******** **** manufacturers, **** ** ************ ******** ****** ** ***** ****, *** have **** ****** ** ********.

What ****** ** ******?

********** **** ****, *** **** ***** *********** *** **** *** cases ** *.*** **** ***** ***** ******* ** ***** ****** significantly ******** ********** ** *.*** **** ******* *********.

*.*** ** *************, *** ** **** ***** **** ** ***** out *** ** *** ******* ***********. *******, ** ** ******* stronger *** **** ***** **** ** ***-**-*** ******/*** ******* **** a ****** ************ (*.*., *****, *********, ***.) ***** ************* ****** are *********.

***** ******* * ***** *** ********** ************ *** ***** *** fear (******* ************) **** **** *****-***** ***********.

[****: **** *** ********** ********* ** ****, *** ************* **-******* in **** *** **** ** ******* ********** ******** ** *.*** and ***** ******.]

Comments (18)

Very good guide!

10 points!

Great Update!

One question about:

While the change from MJPEG to H.264 resulted in drastic bitrate reductions, often 50-75%, our tests of H.265 show that 15-30% savings over H.264 is more likely.

Was the change usually from MJPEG to h.264 directly, or was there often a baby step of MPEG-4 (Part 2) involved? If so, how big was the change from MPEG-4 to h.264?

Was the change usually from MJPEG to h.264 directly, or was there often a baby step of MPEG-4 (Part 2) involved?

For MP, the move was straight from MJPEG to H.264. See 2008 article - H.264 makes Megapixel go Mainstream.

how big was the change from MPEG-4 to h.264?

How big the change depends on actual codec implementations and scenes. So it's always a challenging question. In the entertainment industry, assuming very good implementation of codecs in both cases ~40%. Practically it always depends...

However, H.264 has 2 very sufficient differences vs MPEG4(part2):


1) In H.264 DCT( discrete cosine transform) is done in integer values.
In MPEG4(part2)(as well as in MPEG1,MPEG2,H.261,H.263) the DCT was done in float values, and standard did not dictate how accurate should it be. So while encoders used one accuracy(due to the hardware of software specifics), decoders doing inverse DCT used another formula (accuracy), which led to the error accumulation with every next P frame. So, by the end of the GOP(with new I frame) it was sort of re-synchronization. Visually it led to image quality jump with every new I frame(typically every second). You might remember this visual effect of MPEG4, that image changes significantly every second. Not the case with H.264.

This is the reason why GOP size was very limited in MPEG4(image degradation accumulation). It's not the case in H.264. Practically H.264 GOP size could be very huge( practically unlimited). The only limitation comes from editing software( in order to decode frame N inside the GOP, decoder have to decode all previous frames).

So, H.264 made a huge step forward eliminating GOP size issue and image degradation towards the end of the GOP.

2) deblocking filter became part of the standard. So they have to be universally implemented across all H.264 codecs. Wich also made H.264 stream look the same on any device.

So, H.264 is not only bandwidth saver but solves some fundamental issues of previous standards.

Excellent article, the inclusion of all the smart codec data is very useful.

Excellent article. It will add high value add for users. Grate Job.

Sounds like there is always room for improvement on H. 264, but it has proven to be the foundation in which to build on. The H. 265 sounds good at the drawing board, but when put into practice, it has its "ghosts" to be worked out.

I have a better understanding of compression

Thanks for taking the mystery out of compression!

Good article.

Few points:

P-frames reference the full image of the previous I-frame to send only the changes in the scene.

Just in case: P frame reference the full image of any I or P previous frames. Advanced codecs can refer to multiple frames back minimizing the difference(part of the image could be taken from one reference frame, another part form another). Practically P frame most of the time refers previous P frame.


MISC: as a paradox, typically in the surveillance industry(due to static scenes) H.264 takes less CPU to decode than MJPEG. (since most of the time most of the image parts difference with prev frame is about zero).

H.265 is designed in such a way that besides potential bandwidth savings it's better parallelized for multiple CPU cores to encode/decode.

Thank you for the excellent summary and outline to explain CODECS. Well done!

With "Inter Framing" if I set my HD to record on motion is there further compression or are they separate?

Motion based recording does not 'further compress' video, it simply determines when to record video or not at all.

I would like to know more about SVC.I am completely ignorant on the topic.Can it be used also to obtain rtsp streams or does it work only with a server/vms that supports the function?

Luca, we know no video surveillance manufacturer that offers a scalable video codec today. It's effectively not used.

Today, it's almost always H.264, H.265 combined with smart codecs, no svc.

Actually UNV allows to enable SVC in the video page.Checking around IPVM i've seen also tests you did with Vivotek

My mistake to say none are 'offered'.

My point is none are used. For example, we have never heard Uniview nor Vivotek recommend using SVC nor any VMSes do so for those cameras.

We are not against SVC, there is just no sign that anyone on the manufacturing side is promoting or recommending using it.

My point is none are used.

Hikvision, Dahua and Vivotek all have a SVC-T setting exposed, that works with at least their own recorders. Of course, this is actually enabled because of the underlying SOC supporting it, as you once mentioned:

Does Hikvision SVC Really Work?

On the other hand, neither you nor I consider this a full implementation of SVC, because it is only frame-rate reduction based, temporal -T. The h.26x SVC we were all waiting for, one with spatial reduction -S, (ala JPEG2000) never arrived:

SVC - A Better H.264 Coming For Video Surveillance

Login to read this IPVM report.
Why do I need to log in?
IPVM conducts unique testing and research funded by member's payments enabling us to offer the most independent, accurate and in-depth information.

Related Reports

ONVIF Favorability Results 2019 on Mar 15, 2019
In the past decade, ONVIF has grown from a reaction to the outside Cisco-lead PSIA challenge, to being the de facto video surveillance standard...
Installation Course - Last Chance on Mar 14, 2019
This is the last chance to register for the March Installation course. This is a unique installation course in a market where little practical...
City Physical Security Manager Interview on Mar 14, 2019
This physical security pro is the Physical Security Manager for the City of Calgary. He is a criminologist by training with an ASIS CPP credential....
Pelco GFC 4K Dome Camera Tested (IMP831-1ERS) on Mar 12, 2019
Pelco has finally released their first 4K IP camera, after years of competitors' releases. Is this move too late? Or is their new GFC Professional...
Network Optix Favorability Results 2019 on Mar 11, 2019
Network Optix is arguably the last new VMS. Founded in 2010, more than a decade after most client/server VMS offerings, the company has become a...
BCDVideo Expansion And Switch From HP To Dell Examined on Mar 11, 2019
BCDVideo says they have more than tripled revenue in the past 5 years and are continuing to grow, powered most recently by switching their lead...
Arcules Favorability Report on Mar 08, 2019
ArculesĀ has amazing advantages. Tens of millions of funding from Canon. Unlimited access to Milestone's source code (see our test results). But...
Church Technology Director Security Interview on Mar 07, 2019
With 40+ years of experience in IT from a wide array of verticals, including US and foreign military, and large corporate and industrial settings,...
Camera Pendant Mounting Guide on Mar 07, 2019
It is often necessary to suspend a camera from a high open ceiling. This is commonplace in retail, warehouse, industrial sites, hangars, and other...
Start Up Safe Zone $150 Gunfire Detector Profile on Mar 06, 2019
While gunfire detectors have been around for years, typically they are limited to enterprise level or municipal deployments. Startup AVidea, makers...

Most Recent Industry Reports

ONVIF Favorability Results 2019 on Mar 15, 2019
In the past decade, ONVIF has grown from a reaction to the outside Cisco-lead PSIA challenge, to being the de facto video surveillance standard...
Hanwha Aerospace / Techwin Korean Tax Evasion Raid on Mar 15, 2019
A Hanwha group subsidiary was raided as part of a tax evasion probe. While a Korean news media report listed the raided entity as 'Hanwha...
Installation Course - Last Chance on Mar 14, 2019
Today is the last chance to register for the March Installation course. This is a unique installation course in a market where little practical...
City Physical Security Manager Interview on Mar 14, 2019
This physical security pro is the Physical Security Manager for the City of Calgary. He is a criminologist by training with an ASIS CPP credential....
US Drafting Separate Rule for NDAA Dahua/Hikvision 'Blacklist' on Mar 14, 2019
The most debated provision of the NDAA ban of Dahua, Hikvision, Huawei, et al. is the so-called 'blacklist' provision which would ban any company...
OpenALPR Acquired By Mysterious Novume on Mar 13, 2019
Startup OpenALPR has been acquired by Novume, a company virtually unknown in the industry. While there are many LPR providers (see our directory),...
Milestone Machine Learning Camera Auto-Setting Examined on Mar 13, 2019
Milestone wants to improve image quality using Machine Learning to solve the problem of "a camera doesn't know what it is being used for",...
Integrator Profitability Bonuses - Statistics on Mar 13, 2019
While winning projects typically gets the most attention, how profitable those jobs turn out to be is key to the long-term success of integrators....
ADT Stock Drops After Announcing Loss And Amazon Delay on Mar 12, 2019
ADT's stock price dropped significantly after reporting heavy losses and delays in its Amazon partnership, as seen in the screenshot below: In...
Pelco GFC 4K Dome Camera Tested (IMP831-1ERS) on Mar 12, 2019
Pelco has finally released their first 4K IP camera, after years of competitors' releases. Is this move too late? Or is their new GFC Professional...

The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally. Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

About | FAQ | Contact