Application Case | High-definition images, low-noise transmission: Application of MV-XGC6500GC/GM in mobile phone middle frame size detection
In today's highly homogenized smartphone market, industry competition is shifting from “product hardware stacking” to the ultimate refinement of “user experience optimization.” As the core structural component that supports the screen, motherboard, and battery, the smartphone frame ensures that all components maintain appropriate spacing and stable connections. Its dimensional accuracy directly affects the overall assembly quality and user experience—controlling tolerances means controlling costs and reputation.
Detection difficulties
Imaging blind spots caused by structural complexity: The midframe of a mobile phone is not a single flat structure, but rather a curved surface with arcs, grooves, and other curved shapes. Due to the high reflectivity of the material, when exposed to light, it is extremely easy for local overexposure to occur, masking defects such as scratches and dents, and resulting in missed inspections.
Balancing precision and speed: The dimensional tolerances of smartphone midframes are extremely tight, requiring extremely high camera resolution. Additionally, production lines operate in high-speed assembly line environments, resulting in significant data processing pressure.
An industrial camera suitable for various scenarios needs to achieve breakthroughs in multiple dimensions. The MV-XGC6500GC/GM independently developed by MindVision has the following advantages:
High-precision detection: 65 million effective pixels (9344x7000 resolution) can clearly capture the minute dimensional features of the mobile phone frame (such as corner radius, aperture accuracy, etc.), meeting high-precision detection requirements.
High-efficiency and stable transmission: Effective bandwidth of 1200 MByte, which is 10 times that of a gigabit network, ensures smooth operation of high-speed production lines and greatly reduces image transmission time and latency.
Low cost, easy deployment: stable communication is achieved with 100 meters of long-distance transmission and super Category 6 network cables, eliminating the need for complex wiring and making it suitable for factory environments. It is the optimal solution for “high bandwidth + low cost.”
High compatibility: Supports GigEVision, GenICam standards, and the same SDK as gigabit network cameras, reducing adaptation costs in the development of detection systems.
It combines high clarity, low noise, and outstanding performance, providing an efficient and reliable solution for industrial inspection.
Application Cases
High-precision imaging inspection of mobile phone middle frames using a multi-light source collaborative lighting system: dome lighting is used to eliminate surface reflections, coaxial lighting is used to enhance edge contrast, and a single inclined light is used to highlight minor defects, ensuring that complete and clear images of the middle frame are obtained. After the images are captured, they are analyzed using image processing algorithms to accurately locate hole coordinates and identify key dimensional parameters.
Dome light (shot with MV-XGC6500GM)
Coaxial cable (shot with MV-XGC6500GM)
Single inclined light (shot with MV-XGC6500GM)
Camera parameters
MV-XGC6500GC | MV-XGC6500GM | |
Sensor type | CMOS | |
Camera type | color | black and white |
pixel size | 3.2um x 3.2um | |
effective pixels | 65 million | |
Resolution @ Frame Rate | 9344x7000 @15.75fps | |
Exposure method | Global shutter | |
Exposure time range (ms) | 0.009~18874.359 | |
Application industries
lithium battery
Screen detection
PCB inspection
railway
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