Camera module

A camera module is a compact, integrated assembly containing an image sensor, lens, and supporting electronics that functions as the primary image capture component within a Stereo Camera Array. It converts optical information into digital signals for depth perception, 3D reconstruction, and spatial analysis applications. The module typically includes a CMOS or CCD image sensor, an optical glass lens, a PCB substrate, and a plastic housing. Key parameters include resolution (5–12 MP), sensor size (1/4–1/2.5 inch), pixel size (1.0–2.0 µm), field of view (60–120°), focal length (2.8–6.0 mm), aperture (F/2.0–F/2.8), operating temperature (-40–85 °C), supply voltage (2.8–3.3 V DC), power consumption (150–400 mW), interface (MIPI CSI-2), weight (0.5–2.0 g), and dimensions (8.5×8.5×4.0–12×12×6.0 mm). These values are typical ranges and must be verified for the specific model and application. The module operates by focusing light through the lens onto the image sensor, which converts photons into electrical signals. Onboard circuitry processes these signals to produce digital image data that can be synchronized with other modules in the array for stereo vision processing. This enables depth perception and 3D reconstruction. The module is designed for integration into stereo camera systems, where multiple modules capture images from slightly different perspectives. The interface, typically MIPI CSI-2, allows for high-speed data transfer to a processing unit. When selecting a camera module, consider resolution, sensor size, field of view, and interface compatibility. Verify all specifications with the manufacturer or supplier, as actual performance may vary. The module is a component, not a complete camera system, and requires external processing and power. It is suitable for industrial applications such as robotics, automation, and quality inspection. The operating temperature range indicates the environmental limits for reliable operation. Exceeding these limits may cause failure. The module's compact size and low weight facilitate integration into space-constrained designs. Always consult the datasheet and confirm compliance with relevant standards for your application.

Light enters through the lens and focuses onto an image sensor (typically CMOS or CCD), which converts photons into electrical signals. These signals are processed by onboard circuitry to produce digital image data that can be synchronized with other modules in the array for stereo vision processing. The lens focuses light onto the sensor, and the sensor's pixels convert light intensity into voltage. The onboard circuitry amplifies and digitizes the signal, then outputs it via the interface (e.g., MIPI CSI-2). In a stereo camera array, multiple modules capture images simultaneously, and the disparity between images is used to calculate depth. The module's field of view and focal length determine the coverage and magnification. The aperture controls the amount of light entering, affecting exposure and depth of field. The sensor size and pixel size influence resolution and low-light performance. The module operates within specified temperature and voltage ranges; exceeding these may cause failure. The power consumption depends on resolution and frame rate. The module is designed for fixed focus, but some models may have adjustable focus. The interface allows for synchronization and data transfer to a host processor. The module's performance is characterized by its parameters, which must be verified for the specific application.