technical knowledge

06 2026-07

Comparison of the advantages and disadvantages of cloud storage and local storage

Compare the two storage methods from the dimensions of cost, reliability, compliance and access experience, and explain the applicable scena...

179  ·  2026-07-06 04 2026-07

Selection of large screen in monitoring center: LCD splicing screen vs LED small spacing

Compare the two large-screen options from the perspectives of seams, brightness, lifespan, viewing distance and budget, and provide the basi...

208  ·  2026-07-04 02 2026-07

The function and selection key points of high-definition digital matrix

Explain the positioning of the digital matrix in the monitoring center, as well as its differences and cooperation methods with NVR, decoder...

237  ·  2026-07-02 30 2026-06

What is intelligent video analysis: border crossing, area intrusion, items left behind

Introduce the principles and applicable constraints of common intelligent analysis algorithms, and explain why "algorithm capability" does n...

266  ·  2026-06-30 28 2026-06

The difference between face capture and face recognition

Clarify two concepts that are often used interchangeably, and explain their respective hardware requirements, deployment methods and applica...

295  ·  2026-06-28 26 2026-06

What factors affect the accuracy of license plate recognition?

From the installation angle, fill light, lens to algorithm parameters, the key factors and optimization methods that affect the license plat...

326  ·  2026-06-26 24 2026-06

Sources and optimization methods of behavioral analysis false positives

Summarize the six major sources of false positives, and provide actionable optimization steps and reasonable acceptance indicators to preven...

353  ·  2026-06-24 22 2026-06

The principle and accuracy of thermal imaging temperature measurement: what can and cannot be done

Explain the working method and influencing factors of thermal imaging temperature measurement, and clarify the misunderstanding and correct...

382  ·  2026-06-22 20 2026-06

Common causes and troubleshooting of blurry camera images

According to the four-layer sequence of "lens-parameter-environment-equipment", a quick location and processing method for image blur proble...

411  ·  2026-06-20 18 2026-06

Causes and solutions of color cast in surveillance images

White balance, ICR switching, light source color temperature, and cable interference may all cause color cast. Here are step-by-step trouble...

442  ·  2026-06-18 16 2026-06

Troubleshooting ideas for frequent disconnections of network cameras

A systematic troubleshooting process is provided based on the four layers of power supply, link, network configuration, and equipment to qui...

471  ·  2026-06-16 14 2026-06

Solutions to the interference of horizontal stripes and stripes in surveillance images

Distinguish the three types of causes of electromagnetic interference, power interference and ground loops, and provide targeted troubleshoo...

141  ·  2026-06-14