Restoration and reconstruction of AVHRR images

Restoration and reconstruction of AVHRR images

Restoration and reconstruction from overlapping images for multi-image fusion

This paper describes a technique for restoring and reconstructing a scene from overlapping images. In situations where there are multiple, overlapping images of the same scene, it may be desirable to create a single image that most closely approximates the scene, based on the data in all of the available images. For example, successive swaths acquired by NASA’s moderate imaging spectrometer (MO...

Compression of AVHRR images by wavelet packets

AVHRR is an imager flying on polar meteorological satellites that, due to its spatial resolution (about 1 km at Nadir view), produces a huge amount of data. A method based on the wavelet packet transform is devised to compress AVHRR images. The method is driven by the compression error (application dependent), so that different types of images have the same quality. The best basis wavelet packe...

Image Restoration and Reconstruction

• Objective process to improve an image, as opposed to the subjective process of image enhancement – Enhancement uses heuristics to improve the image for human visual system, for example, by contrast stretching – Restoration attempts to reverse engineer the image based on modeling the degradation process, exemplified by removal of image blur • Recover an image by using a priori knowledge of deg...

Image Restoration and Reconstruction

• Objective process to improve an image, as opposed to the subjective process of image enhancement – Enhancement uses heuristics to improve the image for human visual system, for example, by contrast stretching – Restoration attempts to reverse engineer the image based on modeling the degradation process, exemplified by removal of image blur • Recover an image by using a priori knowledge of deg...