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Prostate hyperplasia is usually found affecting male adults in developed countries. Transrectal ultrasoundgraphy (TRUS) imaging is widely used to diagnose prostate disease. Ultrasonic images are often argued with their primitive echo perturbations and speckle noise, which may confuse the physicians in inspection. Therefore, in this paper, we propose an automatic prostate segmentation system in TRUS...
Foreground detection is essential for semantic understanding and discovery for surveillance videos but still suffers from inefficiency and poor shape or silhouette detection. We argue to leverage multiple modalities (e.g., color appearance, foreground likelihood, spatial continuity, etc.) for foreground detection and propose a rigorous fusion method by graph cut. We further devise three strategies...
A new imaging system which competes with the human eyes is proposed. This system includes an asynchronous self-resetting digital pixel sensor array, a readout circuit and a timing control circuit. The features of human eyes, which are wide dynamic range and logarithmic response, are realized by using a new adaptive-sampling algorithm. Depends on the received illumination, the information of light...
A fully integrated bio-chip targeting at electrical selective assembly of charged nano-particles is proposed and designed in SMIC 0.18 ??m CMOS mixed signal process. The proposed circuit integrates the electrode array, potentiostat circuit, and logics on a single chip, and provides a rail-to-rail range of assembly voltage, a potential resolution of 9 bit, and a maximal assembly current up to 0.46...
The objective of this paper is to provide a complete solution to estimate the volume of the thyroid gland directly from US images. In this paper, the radial basis function (RBF) neural network is used to classify blocks of the thyroid gland; the integral region is further acquired by applying a specific region growing method to potential points. The parameters for evaluating the thyroid volume is...
It is very difficult to perform change detection in SAR images, because speckle noise contaminates the images in nature. Speckle, which results from coherent energy imaging, is indeed a chaotic phenomenon. As a result, an SAR signal can be modeled by a spatial chaotic system and characterized by its fractal dimension. The differential box-counting (DBC) technique is adopted to estimate fractal dimension...
In this study, a computation-aware scheme for motion estimation (ME) in H.264 is proposed. The objective of the proposed scheme is to distribute the available ME computation power of H.264 video encoding to get better coding efficiency. In this study, the temporal motion vector prediction technique is used to get the predicted motion vectors (PMVs) of macroblocks. The sum of absolute components of...
Most of the thyroid nodules are heterogeneous with various internal components, which confuse many radiologists and physicians with their various echo patterns in thyroid nodules. A lot of texture extraction methods were used to characterize the thyroid nodules. Accordingly, the thyroid nodules could be classified by the corresponding textural features. In this paper, five support vector machines...
Extracting complete figures from videos with complicated environments is difficult. A new figure extraction and synthesis system with capability of extracting figures from consecutive frames in a messy environment is proposed in this paper. A figure template is constructed based on the face detection results and some image processing techniques. Figural and non-figural features are extracted from...
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