Image mosaics system based on TMS320DM642

Gui-Lan Feng; Wei-Jian Tian; You-Shan Qu; Wei Ge

doi:10.1117/12.668302

20 January 2006 Image mosaics system based on TMS320DM642

Gui-Lan Feng, Wei-Jian Tian, You-Shan Qu, Wei Ge

Proceedings Volume 6027, ICO20: Optical Information Processing; 60272U (2006) https://doi.org/10.1117/12.668302
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

When the size of a needing scene is beyond the scope of an optical sensor, it is difficult to take the whole scene at the same time. In this case, the needing scene can be captured by several optical sensors at one time, the overlapped images can be taken. Using the images, the whole scene is reproduced. This paper presents a robust image mosaics method that employs wavelet transform technique. The new developed registration and fusion algorithm implemented automatically and simultaneously without known camera motion and focal length. Wavelet transform guarantees not only a global optimal solution, but also scale and transform invariance for image alignment. This feature guarantees that the scheme has higher performance than the traditional mosaic techniques. In the same time, the hardware structure and the software designing principle of the Image Mosaics System (IMS) based on the Digital Signal Processor are expounded. To further improve the image mosaics quality, an image enhancement approach is also employed. In the paper, the concept, algorithm and experiments are described. The test results showed that the IMS is efficient and accurate for acquisition of seamless mosaic of the overlapped images, and at the same time, is adaptive to the real-time requirements. An adaptive resolution, seamless and a wide field of view image can be acquired.

Citation Download Citation

Gui-Lan Feng, Wei-Jian Tian, You-Shan Qu, and Wei Ge "Image mosaics system based on TMS320DM642", Proc. SPIE 6027, ICO20: Optical Information Processing, 60272U (20 January 2006); https://doi.org/10.1117/12.668302

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KEYWORDS

Image fusion

Digital signal processing

Image enhancement

Image registration

Image processing

Wavelet transforms

Digital imaging

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