IMX291 Camera CMOS Active Pixel Type Solid-State Image Sensor

IMX291 is a CMOS active pixel type solid-state image sensor with a diagonal of 6.46 mm (type 1/2.8) with a square pixel array and 2.13 m effective pixels. The chip uses three power supplies of analog 2.9 V, digital 1.2 V, and interface 1.8 V, and has low power consumption. High sensitivity, low dark current, and no smearing are achieved by using R, G, and B primary color mosaic filters. The chip features an electronic shutter with variable charge integration time.

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Here are some frequently asked questions and answers about the IMX291 image sensor:

1. What are the basic parameters of the IMX291 image sensor?

답변: The IMX291 is an image sensor using CMOS (complementary metal oxide semiconductor) technology, with a square pixel array and 2.13m effective pixels, and a diagonal size of 6.46mm (type 1/2.8). The sensor supports 1080P resolution and can operate at 30fps or higher. In addition, the IMX291 also has low power consumption and high sensitivity, using R, G, B primary color mosaic filters to achieve low dark current and no stain.

2. In what fields is the IMX291 widely used?

답변: Due to its high resolution and high sensitivity, the IMX291 image sensor has a wide range of applications in many fields, including but not limited to:

Security monitoring: The high resolution and excellent low-light performance of the IMX291 make it an ideal choice for security monitoring, capable of capturing more details and maintaining clear images.

Machine vision: In the field of industrial automation and intelligent manufacturing, the high stability and accuracy of IMX291 provide reliable image input for machine vision systems.

Intelligent transportation: It is used in a variety of intelligent transportation applications such as license plate recognition and traffic flow statistics. Its high definition and fast response capabilities can cope with complex traffic environments.

3. How is the night vision effect of IMX291?

답변: IMX291 performs well in night vision. Although its resolution is 1080P, the larger photosensitive size allows a single pixel to receive more light, thereby improving the image quality in low-light environments. Compared with some 1600P sensors, IMX291 can present clearer and more natural images in night vision.

4. What is the relationship between the image quality and frame rate of IMX291?

답변: The image quality and frame rate of IMX291 are closely related. Under the same conditions, a higher frame rate means that the sensor can capture more image frames in a shorter time, which may reduce motion blur and improve video smoothness. However, a high frame rate also increases the amount of data and processing burden. IMX291 supports a frame rate of at least 30fps, which is smooth enough for most applications, and some high-end models can even support 60fps or higher frame rates.

5. What technical challenges may IMX291 encounter during use?

답변: IMX291 may encounter some technical challenges during use, mainly including:

Balance between resolution and image quality: Maintaining image quality while increasing resolution is a problem that needs to be solved. IMX291 needs to find the best balance between high resolution and image quality.

Performance improvement in low-light environments: Although IMX291 performs well in low-light environments, there is still room for further improvement. By optimizing the pixel structure and signal processing algorithm, its imaging quality in low-light environments can be further improved.

Control of cost and power consumption: Under the premise of meeting performance requirements, reducing cost and power consumption is an important consideration for the commercial application of IMX291. Its cost and power consumption can be reduced by optimizing production processes and circuit design.

6. How to optimize the performance of IMX291?

답변: The performance of IMX291 can be optimized from the following aspects:

Reasonably configure register parameters: By adjusting the register parameters of IMX291, such as exposure time, gain, etc., its imaging effect under different lighting conditions can be optimized.

Optimize image processing algorithm: Using advanced image processing algorithm to process the original image output by IMX291 can improve the clarity and color reproduction of the image.

Choose the right lens and light source: Matching high-quality lens and appropriate light source can further improve the imaging quality of IMX291.