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General 4K UHD

China public security expo

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October 2015 was the month for one of the largest security exhibitions in the world. China Public Security Exposition or CPSE as it is commonly known, was attended by many international customers but to the dismay of many of the exhibitors attendance this year was much lower than normal. 

The main topic and most hyped about technology this year was definitely 4K UHD. Many solutions were displayed including IP and EXSDI. The company leading the way for coax based 4K is Eyenix from Korea. This technology promises to increase resolution without sacrificing picture quality. By utilizing a lower frequency and the current SDI standard EX-SDI Will allow for greater distances and cable runs and increased resolution up to the 4K mark.

  

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General 4K UHD

5MP IP Looks great on 4K TVs

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Folks tend to forget that 5MP resolution is much bigger than 1080p (which is actually 2MP in resolution). This means that connecting your 5MP IP or 5MP AHD cameras to a standard Full HD TV or monitor will not provide all the definition that you paid for in your CCTV system.

5MP 1440p CCTV Cameras

5MP IP cameras and 5MP AHD coax camera

The security camera industry is now jam-packed with five-megapixel offers in analog coaxial based technology and digital IP. Soon to come will be digital over coax in the way of EX-SDI 4MP and EX-SDI 5MP CCTV Digital camera models.

4K CCTV monitors are not really a thing since most UHD TVs can handle the UHD resolution and continuous abuse that is necessary for surveillance systems. However, using UHD computer monitors with higher refresh rates and higher levels of brightness ( like IPS) can sometimes make a huge difference in how surveillance video at eight megapixels is displayed. Regardless, when installing or deploying a new 4K surveillance system always make sure to compare scaling and aspect ratios and keep everything in line and paired-up properly to avoid distorted video.

At higher resolutions frame rate can also suffer or must be sacrificed in order to process a higher resolution image. Another key aspect of surveillance video in the UHD level is sensitivity in poorly illuminated areas. Cortex surveillance cameras in the 4K category use premium CMOS  sensors specifically designed for low light areas and high color saturation during normal lighting conditions.

Why install five megapixel cameras? Prices are coming down dramatically in the five megapixel category and have replaced many of the other lower resolutions for video surveillance. Five megapixel cameras process through IP systems can be installed directly on your network or POE switches. When necessary, AHD  and TVI over coax can be installed and when using hybrid DVR’s, you can use both.

For purchase details visit: https://www.cctvcore.com

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General 4K UHD

4K Sony CMOS Camera

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Eight megapixel (4K) CMOS Sensors used for network cameras are now trending in the market. 4K network cameras can use many different types of brands for UHD cameras. 4K Sony CMOS sensors are well documented for having a fantastic night time viewing with very little noise and hi levels of light sensitivity. Cortex produces fix lens and motorized varifocal models that use the Sony 4K CMOS in their cameras. 

UHD CMOS 4K

4k Sony CMOS camera


These UHD cameras have advanced features in the software like analytics that can be used for object detection, line crossing, faced detection and Cross counting. The 16 : 9 aspect ratio of these CMOS sensors also provide an amazingly wide image viewing angle. 

Cortex network video recorderS and software allow remote management and video recording of the video streams from these UHD network cameras. Additional streams can be managed for video management software like our RTSP on port 554 and substreams for cloud backup. 

 By integrating 4k Sony CMOS sensor into Cortex Network cameras this manufacturer provided superior night time performance that can be set for continuous color viewing instead of black and white. Color saturation during daytime and full lighting environments is also increased. The option of converting the image to black-and-white in order to take advantage of infrared lighting is a great option used to many times in excessively dark areas. 

8MP IP Cameras for low light areas are extremely important and provide extremely wide angles because of their aspect ratio. 

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General 4K UHD

4K IP cameras

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2018 brings the latest wave of UHD IP cameras with many different labels like 4K IP cameras, 8meg IPC, 4K IPC, 8MP Cams and many others. One of the key issues that has held back 4K IP cameras is frame rate. Up to now users had to choose between very high resolution at extremely low frame rates like 1-3 FPS because of compression and throughput technology. With the latest release of high-efficiency compression engines including h.265, more information can be sent via networks and processed through network infrastructures. This means much higher frame rates like 15 FPS or even real time 30 frames per second. Prices fluctuate because of processing power and chipsets inside the cameras.

UHD IPC

4k IP camera Processors

Along with better compression and increased functionality a new generation of 4K CMOS sensors have also hit the market from famous brands like Sony and others. This has increased the output of 4K into the mass-market and the general distribution channels. Citing reports from statistic gathering agencies, many distributors in the computer and home automation markets have also increased their offers of 4K IP cameras and recorders to their clients.

UHD IP cameras can be found for a variety of prices which reflects the components used and housings that are chosen. Even the finish and painting on the 4K rated housings have a direct correlation with prices since higher quality finishes and polishing delays production which increases labor costs. 8MP rates Lenses for 4K cameras also have a huge influence on final costs with many manufacturers scrambling to find cheap solutions that can increase their competitive edge. Premium sensors like Sony and Aptina have an effect on the cost of production and engineering.

4k IP cameras and NVRs also benefit from the mainstream branding of 4K TVs and household appliances. This mainstream resolution is now a must-have for any new video product on the market and will soon be dominant in the CCTV and surveillance world as well.

Another advancement in technology that has also increased UHD penetration into the markets is storage size. Western digital and Seagate have both introduced 8 TB and 10 TB hard drives that are dropping in price very quickly. There is even a display for a 12TB HDD visible in the pictures from the last CPSE security trade show in China. These new mega storage hard drives allow simpler cased designs with smaller power supplies which in turn lowers the cost of recorder manufacturing.  With so many affordable storage options and low-cost hybrid recorders, there is little doubt that 4K CCTV will make a big splash in 2018.

Be sure to shop the latest line of Cortex IP cameras and NVRs that will provide your clients with great value and long term performance.

UHD Cortex IP

Cortex IP cameras with Motorized Zoom Lens

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