What is thermal imaging technology?

thermal imaging technology

Thermal radiation appears on the electromagnetic spectrum and features longer wavelengths than those of visible light. It is therefore generally invisible to human eyes.

But any object with a temperature above absolute zero emits a detectable amount of radiation. The higher an object’s temperature, the more radiation, or heat, that is emitted. Taking advantage of the temperature differences between objects, thermal cameras make the invisible thermal radiation “visible” in the form of heat zone images.

Advantages of thermal imaging

thermal imaging camera

Unrivalled adaptability

The image reproduction of thermal cameras is not affected by lighting conditions – either extremely low light or even no light at all. And compared against visible light imaging, thermal cameras excel at overcoming weather conditions such as fog, smog, rain, and snow, so that they can work in virtually any environment, anytime.

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Video content analysis

Thermal imaging offers an intrinsic advantage for video content analysis (VCA) – it renders objects with clear outlines that stand out against their background, even at great distances. Users can easily set up VCA rules to detect events with high accuracy – events such as line crossing, intrusions, and entering or exiting a predefined region.

Thermal imaging applications  

Perimeter protection

Fire prevention

Temperature measurement

perimeter protection thermal cameras

• Superior Environmental Adaptability

Thermal cameras are capable of capturing images all day and night, regardless of environmental factors.

 

• Extended distances
Compared to optical cameras, thermal detection covers greater distances and requires fewer devices to install.

 

• Better visuals
With thermal cameras, you can easily discover objects and potential risks otherwise invisible to conventional cameras. 

perimeter protection thermal cameras

• Temperature anomaly detection
Thermal cameras can detect abnormal temperatures in key areas and trigger timely alarms to prevent fires.

 

• Dynamic fire detection
In areas where a fire has ignited, thermal cameras can help detect it in the early stages using a dynamic fire-detection algorithm.

perimeter protection thermal cameras

• Heat distribution display
By producing a visible, heat-distribution image in real time, thermal cameras can be very useful, helping industrial parks easily locate problematic areas.

 

• Non-contact temperature measurement
Thermal cameras perform non-contact temperature measurement. Người dùng có thể duy trì hoạt động của thiết bị và tiến hành quy trình kiểm tra một cách nhanh chóng, giúp kỹ thuật viên làm việc an toàn hơn và hiệu quả hơn.

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Diversified applications

Những thay đổi nhanh về công nghệ trong lĩnh vực tạo ảnh nhiệt gần đây đã giúp giảm chi phí của các sản phẩm nhiệt, cùng với sự mở rộng nhanh chóng các tình huống ứng dụng của chúng trong tất cả các ngành công nghiệp. Thermal imaging has gradually gone from niche installations to public markets.

Thị trường nở rộ này đang phát triển hơn nhờ có những cải tiến về công nghệ ở mọi lĩnh vực, chẳng hạn như máy dò, ống kính và SoC, cùng với những cải tiến về quy trình sản xuất. Thermal products are rolling out for industrial and handheld temperature measurement, driving assistance, and medical services, or as peripherals on drones and smart phones. 

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Intelligent products

The popularization of AI technology in recent years has also promoted technological advances in thermal imaging, as more and more deep-learning-based thermal applications become available.

Creating deep-learning algorithms for smoke and fire detection, and vessel identification, Hikvision is pioneering the fusion of thermal imaging and AI 

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Fused technologies and smart linkage

Bi-spectrum image fusion combines features from both thermal and optical images to create a unique hybrid image that provides extra details for users in the pursuit of high resolutions and smart applications.

Việc bổ sung công nghệ ghép ảnh vào camera nhiệt 2 phổ, liên kết thông minh giữa camera nhiệt với camera IP đã đưa các lợi thế của cả 2 vào một hệ thống. Camera nhiệt cung cấp chức năng phân tích video độ chính xác cao, không bị ảnh hưởng bởi điều kiện thời tiết, còn camera IP cung cấp video HD và chức năng nhận diện gương mặt để giúp điều tra sự kiện dễ dàng hơn.

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