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  • Writer's pictureSoheil Koohi

Applications of Computer Vision for Security

an old retro camera is monitoring shopping mall for a computer vision for security service
an old retro camera is monitoring shopping mall for a computer vision for security service


Keeping an eye on everything happening at a big facility is seriously hard work. Imagine sitting in front of 20 monitors, trying to spot anything unusual - it's exhausting, right? Well, research backs this up. Apparently, after just 8 minutes, folks watching monitors can miss a whopping 80% of events. So, we really need tools to help make things more accurate and efficient. That's where Computer Vision steps in. This tech can handle the heavy-lifting of surveillance tasks, without getting tired or losing focus. In this article, we're going to explore the awesome ways Computer Vision is being used in security and surveillance. Ready to dive in? Let's get started.

Face Detection: The Next Level of Authentication

Think about it - there are always some places in a facility that are off-limits to most people. You know, places like the server room, the CEO's office, or the R&D lab. To get in, you've traditionally needed keys, ID cards, passwords, the works. But let's be real, all of these can be stolen, lost or, heaven forbid, forgotten. So, what's the solution? Well, welcome to the world of face detection and recognition. With this tech, security systems can confirm people's identity based on their face – a kind of biometric key that's unique to each person. Not only are these systems cost-effective, but they're also quick, accurate, reliable, and incredibly tough to fake or steal. All this makes face detection a hot topic in the security world.

Keep Tabs on Suspicious Characters with Computer Vision for Security

Imagine this: A stranger strolls into an elementary school, and starts behaving oddly. Maybe they're nervously glancing around, or they seem overly interested in the school's layout. As part of the security team, you'd want to keep a close eye on this person, tracking where they go, and what they're up to. Now, you could do this manually. But what if it wasn't just one person, but a whole group? Suddenly, keeping tabs on everyone becomes a daunting task. And in security, time is always of the essence. You need to know the exact location of each suspicious individual, monitor their actions, and be ready to intervene if necessary. That's where computer vision can make a world of difference. With multi-object and multi-camera tracking algorithms, it can pinpoint and follow multiple people simultaneously, helping security teams to monitor any suspicious activity quickly and effectively.

Spotting Dangerous Weapons with Computer Vision

Let's face it, during an attack, assailants often wield dangerous weapons like guns or knives. Detecting these hazardous objects as early as possible is critical for security teams, but scrutinizing every individual is an extremely time-consuming process. On top of that, most security cameras aren't exactly high-definition, making it difficult to spot smaller objects like knives or handguns. Thankfully, that's where computer vision comes in. With advanced tiny object detection algorithms, computer vision can help identify potential threats, from hefty rifles to compact handguns and even concealed blades. Despite the challenges posed by small objects and low-resolution cameras, ongoing research and advancements in this field are steadily improving the accuracy and reliability of these systems.

 an attacker break into a supermarket with gun
an attacker break into a supermarket with gun

Unmasking Suspicious Behavior Through Trajectory Analysis

Picture this: in a typical hotel, guests enter the lobby, head to the elevator, and then proceed to their rooms. Simple, right? Now imagine a person who enters the hotel, lingers in the lobby for an extended period, checks out each floor, and appears to be scoping out every room. Seems odd, doesn't it? This kind of abnormal behavior can be a security concern, but with a multitude of people coming and going, it's nearly impossible for security personnel to spot these unusual patterns.

This is where computer vision comes into play. By employing multi-camera tracking methods, it's possible to map out the trajectory of each individual within the facility. The system can detect unusual activities, like loitering in specific areas or deviating from expected patterns, and compare this behavior to established norms. When anything suspicious crops up, it can quickly alert security staff. In this way, computer vision technology is adding another layer of safety and ensuring that abnormal behavior doesn’t go unnoticed.

Streamlining Post-Incident Analysis with Computer Vision

 a security monitoring room
a security monitoring room

When an incident occurs—whether it's an attack, a break-in, or any other security breach—law enforcement and security personnel have a daunting task ahead of them. They need to comb through hours of video footage to piece together the event, identify perpetrators, and understand how the incident unfolded. This is a laborious and time-consuming process, but computer vision technology can come to the rescue.

Computer vision tools can scan through the video recordings, identify the specific moments when the incident took place, and highlight them for review. This drastically cuts down the time needed to analyze incidents and ensures that important details don’t get missed in the sea of footage. By speeding up the review process, these tools enable investigators to respond more effectively, providing crucial support in the aftermath of security breaches.


As we've journeyed through the diverse uses of computer vision for security, it's clear how instrumental this technology has become in the modern security landscape. It offers a potent combination of reliability, speed, and accuracy that can alleviate the overwhelming demands placed on security teams, enhancing not just efficiency, but the overall security of the spaces we occupy.

While the transition from traditional security methods to computer vision-led surveillance may come with its challenges, the transformative potential it offers is undeniable. From face detection for authentication, tracking persons of interest, weapon detection, analyzing suspicious trajectories, to streamlining post-incident analysis, the scope of computer vision in this field is wide and ever-expanding.

If you're passionate about the application of computer vision in the security industry, and you're keen to make a difference in this field, there are many opportunities awaiting you. As an AI recruitment company, we help connect talented individuals with innovative companies that value the power of computer vision. We believe in the transformative potential of this technology, and we're excited to see how it will continue to evolve the landscape of security and surveillance.

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