Báo cáo hóa học: " Research Article Optimization-Based Image Segmentation by Genetic Algorithms" ppt

... impacts on many image processing and computer vision applications. Challenges in image segmentation have encouraged researchers to develop fuzzy segmentation algorithms by considering image regions ... AND IMAGE SEGMENTATION Fuzzy treatment of geometric and topological concepts can be performed in two distinct manners in image segmentation [18]. The first approach applies a...

Ngày tải lên: 22/06/2014, 01:20

... method) Sensitivity segmentation (%) Image 1 66.84 72.94 94.23 Image 2 68.23 79.66 97.27 Image 3 72.56 83.19 90.84 Image 4 85.11 88.91 98.11 Image 5 75.42 76.86 96.85 Image 6 63.71 81.45 98.58 Image 7 83.54 ... (%) Image 1 86.74 89.45 94.23 Image 2 61.82 88.92 97.27 Image 3 73.76 87.25 90.84 Image 4 89.21 96.68 98.11 Image 5 78.62 90.15 96.85 Image 6 72.33 87.78 98...

Ngày tải lên: 21/06/2014, 20:20

... Journal on Image and Video Processing Segmentation map and error map for collage (a) ULap-UDFB segmentation ULap-UDFB error ULap-BDFB error Segmentation map and error map for collage (f) Segmentation ... Corporation EURASIP Journal on Image and Video Processing Volume 2009, Article ID 539713, 15 pages doi:10.1155/2009/539713 Research Article Multichannel Texture Segmentatio...

Ngày tải lên: 21/06/2014, 20:20

... MR image. (a) The original medical image (reference image or ground truth); (b) image blurred on the top; (c) image blurred on the bottom; (d) fused image by pixel averaging; (e) fused image by gradient ... and MRA images with different methods. (a) Original T1-weighted MR image; (b) original MRA image; (c) fused image by pixel averaging; (d) fused image by gradient...

Ngày tải lên: 21/06/2014, 18:20

... of some part of an LR image using an HR image. In many situations [9] someone may have an LR image or a video frame with low quality and a few HR images from some parts of the LR image with high quality. ... resolution of his/her LR image using HR images. Consider the example shown in Figure 4; our goal is to enhance a region in noisy LR image 4(a), corresponding to HR image 4(b)...

Ngày tải lên: 21/06/2014, 20:20

... techniques detect optic flows by searching for correspondence points between consecutive images. These are, therefore, more suitable for dynamic road scene images. In this research, we employ a correspondence matching ... Processing 50 100 150 200 50 100 150 200 250 300 Left image edge (a) 50 100 150 200 50 100 150 200 250 300 Right image edge (b) Figure 2: Edge image of the stereo i...

Ngày tải lên: 21/06/2014, 22:20

... (b) (c) (d) Figure 6: Example of two images attacked with the MF-DA model: (a) original image; (b) attacked image with L = 6; (c) original image; (d) attacked image with L = 4. 1. Read position ... image (or a motion vector field) by relying on a noisy version of the image. By assuming that the original image can be described by means of an MRF, the above problem is formulated...

Ngày tải lên: 22/06/2014, 00:20

... segmentation function f , and the image areas a covered by local windows w sliding over the whole described pattern. A good overview of existing subpixel segmentation techniques is provided by ... 2008, Article ID 195263, 14 pages doi:10.1155/2008/195263 Research Article An Image Content Description Technique for the Inspection of Specular Objects Y. Caulier 1 and S. Bourenn...

Ngày tải lên: 22/06/2014, 01:20

... Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2007, Article ID 81282, 11 pages doi:10.1155/2007/81282 Research Article Biomedical Image Sequence Analysis with Application ... detected by horizontal and vertical pro- jections of an edge-detected image. Figure 2 demonstrates that the left and right face boundaries are identified by verti- cal projecti...

Ngày tải lên: 22/06/2014, 19:20

... Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2007, Article ID 98181, 9 pages doi:10.1155/2007/98181 Research Article Perceptual Image Representation Matei Mancas, 1 Bernard ... 3 ×3 images. 3. VISUAL ATTENTION FOR STILL IMAGES In an image, we can consider in a first approximation that m i is the grey-level of a pixel at a given space location and M is...

Ngày tải lên: 22/06/2014, 19:20