نتایج جستجو برای: ssim
تعداد نتایج: 1003 فیلتر نتایج به سال:
Application of a Radar Echo Extrapolation‐Based Deep Learning Method in Strong Convection Nowcasting
Strong convection nowcasting has been gaining importance in operational weather forecasting. Recently, deep learning methods have used to meet the increasing requirement for precise and timely nowcasting. One of promising models is convolutional gated recurrent unit (ConvGRU), which proven perform better than traditional strong Despite its encouraging performance, ConvGRU tends produce blurry r...
An exact histogram specification (EHS) method modifies its input image to have a specified histogram. Applications of EHS include image (contrast) enhancement (e.g., by histogram equalization) and histogram watermarking. Performing EHS on an image, however, reduces its visual quality. Starting from the output of a generic EHS method, we maximize the structural similarity index (SSIM) between th...
In this article, a new quadratic trigonometric B-spline with control parameters is constructed to address the problems related to two dimensional digital image interpolation. The newly constructed spline is then used to design an image interpolation scheme together with one of the soft computing techniques named as Genetic Algorithm (GA). The idea of GA has been formed to optimize the control p...
Corresponding Author: Zahir M. Hussain Faculty of Computer Science and Math, University of Kufa, Iraq Email: [email protected] Abstract: This work presents a new holistic measure for face recognition. Face recognition involves three steps: Face Detection, Feature Extraction and Matching. In the face detection process to identify the face area in face images, Viola-Jones algorithm has been used...
The authors present two methods for examining video quality using the Structural Similarity (SSIM) index: Iterative Distortion Estimate (IDE) and Cumulative Distortion using SSIM (CDSSIM). In the first method, three types of slices are iteratively reconstructed frame-by-frame for three different combinations of packet loss and the resulting distortions are combined using their probabilities to ...
In this paper, a novel 3D face recognition scheme by Sliding Complex Wavelet Structural SIMilarity (SCW-SSIM) index carried out on detailed geometry images is proposed. First, the preprocessed 3D faces are mapped into geometry images on 2D plane. Then, a multi-scale wavelet transform is designed to decompose geometry image into a set of sub-images and denotes high-pass sub-images of wavelet tra...
When a stereo pair is formed from two synthesized views, it is unclear whether objective 2D quality metrics can provide a good estimation of the perceived quality. In this paper, this problem is addressed considering a 3D video represented in multiview video plus depth format. The performance of different state-of-the-art 2D quality metrics is analyzed in terms of correlation with subjective pe...
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