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A three-dimensional (3D) scene of fibre-to-chip coupling is reconstructed from three captured 2D graphics in which coordinate system transformation and distortionless segmentation image fusion algorithm are presented to visually guide precise alignment and nanopositioning procedures based on the established single lens photometric machine vision system. As an instance, the 3D scene on wedge-shaped...
Saliency detection is one of the extraordinary capabilities of the human visual system (HVS). In this paper, we present a novel saliency detection model to capture visual selective attention of images. The new model does not require prior knowledge of salient regions as well as manual labeling. The mean shift segmentation algorithm and quaternion discrete cosine transform (QDCT) are used to generate...
This paper presents a novel user interaction concept for document image scanning with mobile phones. A high resolution mosaic image is constructed in two main stages. Firstly, online camera motion estimation is applied to the phone to assist the user to capture small image patches of the document page. Automatic image stitching process with the help of estimated device motion is carried out to reconstruct...
Breast cancer is one of the leading causes of death in women. As a convenient and safe diagnosis method, ultrasound is most commonly used second to mammography for early detection and diagnosis of breast cancer. Here we proposed an automatic method to segment lesions in ultrasound images. The images are first filtered with anisotropic diffusion algorithm to remove speckle noise. The edge is enhanced...
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