1; Image mosaic has become an important technology of image-based rendering (mR). It is a research topic in the fields of virtual reality, computer vision, computer graphics and image processing. Panorama is a more effective image-based rendering method. This paper introduces the generation process of panoramic image and one of the key technologies, classifies the panoramic image mosaic algorithms, summarizes and compares them, and on this basis, proposes an automatic image mosaic algorithm based on features, which uses Harris corner detection feature extraction operator, carries out initial matching and thinning of feature corners, and uses minimum median elimination to make the calculation of transformation matrix accurate. Finally, color fusion produces seamless mosaic images. In most cases, the algorithm can be completed automatically. The experimental results show that the algorithm achieves the expected mosaic effect.

2. Image mosaic has become an important technology in the method of image-based rendering (mR); It is also virtual reality, computer vision, computer sketching, image processing and so on. Important research topics.

Panorama is one of the effective methods to enlarge according to pictures at present. This paper introduces the production process of panoramic image, and classifies, summarizes and compares the most key technologies of panoramic image mosaic algorithms. On this basis, it puts forward a feature-based automatic image mosaic algorithm of 1 class, which uses Harris corner detection algorithm to extract feature points, matches the starting points of feature corners, and cleans up external points by minimizing the value, so that the calculation of transformation matrix is accurate. Finally, color fusion is carried out to generate seamless mosaic images. In most cases, the algorithm can be completed automatically. The test results show that the algorithm has achieved ideal mosaic results.