Abstract: In an image processing method a sequence of at least two image frames is provided and a motion vector representing relative movement of at least a part of said image frames is calculated. At least said part in the image frames is repositioned in accordance with the calculated motion vector, and the image frames are combined to form a combined image frame. The image frames are divided into blocks and a block motion vector representing relative movement of each block is calculated. Each block is repositioned in accordance with the calculated block motion vector and the blocks are combined to form combined blocks in order to obtain the combined image frame.

Abstract: Image fusion based on a modified method of frame averaging for noise removal by partly averaging over images having a smaller resolution than the desired resolution of the de-noised image. The set of images which are summed for averaging out noise consists of two subsets. The first set of images has a resolution (in terms of number of pixels) being smaller than the resolution of the images in the second set. The resolution of the images in the second set is the resolution of the ‘high-definition’ de-noised output image. The lower resolution images are up-sampled by scaling their pixel numbers to that desired output image. The gradation of the first set images is also adapted to avoid intensity saturation (flare) due to sommation. Image fusing is also done in fourier space using the high frequency components from the higher resolution images and the lower ones from the lower resolution images.

Abstract: In an image processing method a sequence of at least two image frames is provided and a motion vector representing relative movement of at least a part of said image frames is calculated. At least said part in the image frames is repositioned in accordance with the calculated motion vector, and the image frames are combined to form a combined image frame. The image frames are divided into blocks and a block motion vector representing relative movement of each block is calculated. Each block is repositioned in accordance with the calculated block motion vector and the blocks are combined to form combined blocks in order to obtain the combined image frame.

Abstract: A method of forming a combined image based on a plurality of image frames includes obtaining a sequence (22, ?33) of arrays of intensity values for representing respective ones of a sequence of image frames depicting substantially the same scene. The combined image is represented by a final array (27, ?28) of intensity values. At least some of the intensity values in the final array (27, ?28) are each obtained by summing an intensity value from each of a sequence of arrays of intensity values based on respective ones of the arrays in the obtained sequence (22, ?33).

Abstract: Image fusion based on a modified method of frame averaging for noise removal by partly averaging over images having a smaller resolution than the desired resolution of the de-noised image. The set of images which are summed for averaging out noise consists of two subsets. The first set of images has a resolution (in terms of number of pixels) being smaller than the resolution of the images in the second set. The resolution of the images in the second set is the resolution of the “high-definition” de-noised output image. The lower resolution images are up-sampled by scaling their pixel numbers to that desired output image. The gradation of the first set images is also adapted to avoid intensity saturation (flare) due to summation. Image fusing is also done in fourier space using the high frequency components from the higher resolution images and the lower ones from the lower resolution images.

Abstract: A method of forming a combined image based on a plurality of image frames includes obtaining a sequence (22, -33) of arrays of intensity values for representing respective ones of a sequence of image frames depicting substantially the same scene. The combined image is represented by a final array (27, -28) of intensity values. At least some of the intensity values in the final array (27, -28) are each obtained by summing an intensity value from each of a sequence of arrays of intensity values based on respective ones of the arrays in the obtained sequence (22, -33).

Abstract: In an image processing method a sequence of at least two image frames is provided and a motion vector representing relative movement of at least a part of said image frames is calculated. At least said part in the image frames is repositioned in accordance with the calculated motion vector, and the image frames are combined to form a combined image frame. The image frames are divided into blocks and a block motion vector representing relative movement of each block is calculated. Each block is repositioned in accordance with the calculated block motion vector and the blocks are combined to form combined blocks in order to obtain the combined image frame.