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This paper reports the problem of colour distortion in panoramic imaging. Particularly when image mosaicing is used for panoramic imaging, the images are captured under different lighting conditions and viewpoints. The paper analyses several linear approaches for their colour transform and mapping. A new approach of colour histogram based colour correction is provided, which is robust to image capturing conditions such as viewpoints and scaling. The procedure for the colour correction is introduced and implemented. The conclusions are derived after experimental tests.