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Integrated Camera with Wide Dynamic Range

Source:Shenzhen Kai Mo Rui Electronic Technology Co. LTD2026-04-21

Wide dynamic range (WDR) of integrated cameras.

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It refers to the brightness range that a camera can capture. It helps the camera capture rich details in high-contrast scenes and accurately

render both bright and dark areas of an image. Since camera sensors entered the CMOS era, wide dynamic range has also been referred to as HDR, short for High-Dynamic Range.

The term HDR is commonly used in the film and television industry, display field, mobile phone screens, photography and videography, among

others. The security industry also refers to wide dynamic range as HDR. This article introduces the significance, principles and applications

of camera wide dynamic range in various fields. Significance of Wide Dynamic Range In high-contrast scenes such as strong lighting and shadows, traditional cameras often fail to accurately capture details in bright and dark

areas, resulting in overexposed or underexposed images. By using multi-frame exposure and image processing algorithms, wide dynamic range

technology synthesizes and processes images with different exposure levels, simultaneously displaying details in both bright and dark regions

to provide more realistic and accurate image information. Performance of Wide Dynamic Range

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Performance of Wide Dynamic Range in Integrated Cameras

The wide dynamic range (WDR) of integrated cameras is expressed in decibels (dB). Generally speaking, modern cameras can achieve a wide dynamic range of approximately 120 dB to 150 dB.
The higher the wide dynamic range, the better the camera performs in high-contrast scenes. However, the technical level of wide dynamic range varies among different camera models and manufacturers. In addition, the actual wide dynamic range is affected by many factors, including sensor quality, image processing algorithms, and the hardware performance of the device.

Principle of Wide Dynamic Range

The implementation of wide dynamic range relies on multi-frame exposure and image processing algorithms of the camera.
When the camera faces a high-contrast scene, it simultaneously captures multiple images with different exposure levels. Some images adopt increased exposure to capture details in dark areas, while others use reduced exposure to preserve details in bright areas. These images are then synthesized and processed by image processing algorithms to balance brightness and contrast, generating a clear image with a wide dynamic range.

Applications of Wide Dynamic Range

Security Surveillance

Cameras with wide dynamic range play a vital role in security surveillance. They help users better identify and analyze details in surveillance footage, especially in outdoor environments or under strong lighting conditions. For instance, they can clearly display license plate numbers, facial features, and other details, providing more reliable surveillance results.

Traffic Monitoring

In traffic monitoring, wide dynamic range cameras assist in identifying details of moving vehicles, such as license plate numbers and vehicle body colors, offering strong support for traffic management and violation detection.

Industrial Inspection

Wide dynamic range cameras also play an important role in industrial inspection. They enable users to detect details on product surfaces more accurately, improving quality control and production efficiency.


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