After an incident, the most frustrating thing in the world is watching your security camera footage and realizing you can't identify the person or the license plate. CCTV and security cameras are typically low-resolution, use heavy compression, and record in poor light — all of which hides the details you need.
AI video enhancement can help. With the right software, you can upscale, deblur and denoise surveillance footage to reveal details that were effectively hidden in the original recording. Here's how to get the most out of your security footage.
What Limits the Quality of Security Footage?
- Low resolution: Many security cameras record at 480p, 720p or a stretched version of these.
- High compression: To save storage, recorders heavily compress video, which smears fine detail.
- Poor lighting: Night-time and low-light footage is noisy and soft.
- Distance: Subjects are often far from the camera, so faces and plates occupy few pixels.
- Motion blur: Moving subjects and rolling-shutter sensors create blur.
Step 1: Export the Original Recording Correctly
Always work from the original exported file, never a re-uploaded or screenshotted version. On your recorder or DVR software, export the clip at the highest available resolution and bitrate, ideally without recompression. If the only option is a compressed export, choose the highest quality setting.
Also export a short clip of the specific moment you need, rather than hours of footage — it processes faster and lets you fine-tune settings.
Step 2: Upscale the Resolution
Load the clip into AI enhancement software such as EnhancePro AI and upscale it to 1080p or 4K. AI upscaling reconstructs detail rather than stretching pixels, so a 480p camera feed can become genuinely clearer instead of just bigger.
This is the single most effective step for reading license plates and recognizing faces from small regions of the frame.
Step 3: Deblur and Denoise
Apply the deblur model to sharpen motion-blurred subjects, and the denoise model to clean up low-light grain. These two steps work together: denoising first gives the deblurrer cleaner edges to work with.
Step 4: Enhance Contrast and Detail
Security footage often has poor contrast, especially in the dark. Boost brightness and contrast carefully to bring out facial features, clothing and vehicle details without blowing out highlights.
Step 5: Consider Working with Stills
For identifying a face or plate, the most practical approach is to export a single frame (or a few frames) of the subject and enhance the still image. Motion blur is often frozen in a still, and you can spend more processing effort on one frame than on a full video.
Enhance Your Security Footage with EnhancePro AI
Upscale, deblur and denoise CCTV recordings — free trial for Windows and Mac.
Learn More & DownloadFrequently Asked Questions
Can AI really enhance CCTV footage to identify people?
AI can dramatically improve clarity and reveal details hidden by low resolution and noise, which frequently helps identification. However, it cannot guarantee a usable image if the original simply has no data to recover — for example, if the subject is too far away or the frame is completely dark.
Is it legal to enhance security footage?
Yes, enhancing your own security footage is legal. Keep in mind that providing enhanced footage as evidence, and any use of face or plate recognition, must comply with local privacy laws.
What if the footage is too dark?
Start with brightness and contrast adjustments, then run denoising and upscaling. Even dark, noisy footage can often be made usable.