Image Bit Errors - Nokia RM-42 Service Manual

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Camera Module Troubleshooting

Nokia Customer Care

Figure 91 Image of point light sources taken with a clean protective window

Figure 92 Image of point light sources taken with a dirty (finger print) protective window

Image bit errors

Bit errors are image defects caused by data transmission errors between the camera module and the phone

baseband and/or errors inside the camera module.

Usually bit errors can be easily detected in images, and they are best visible in full resolution images. A good

practice is to use a uniform white test target when analysing these errors. The errors are clearly visible, colourful

sharp dots or lines in camera images. See the following figure.

9241872 (Issue 1)

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