We use a multi-resolution analysis based on a wavelet transform to upscale a 3D fractured reservoir. This paper describes a 3D, single-phase, and black-oil geological model (GM) that is used to simulate naturally-fractured reservoirs. The absolute permeability and porosity of GM is upscaled by all the possible combinations of Haar, Bior1.3, and Db4 wavelets in three levels of coarsening. The ap...

Abstract Wavelet coding has been shown to achieve better compression than DCT coding. This method outperforms DCT JPEG codecs and moreover allows scalability. 2D DWT can be easily extended to 3D and thus applied to video coding [1, 2, 3, 4, 5, 6, 7, 8]. However, 3D subband coding of video suffers from two drawbacks. The first is the amount of memory required for coding large 3D blocks; the seco...

Introduction: 3D discrete wavelet transform (DWT) processing is widely applied for many image and video systems, such as digital television broadcasting, seismic data collection, 3D=4D medical imaging, and telemedicine because of its potential for perfect reconstruction and its lack of blocking artefacts [1, 2]. FPGA technology has been proposed as a practical hardware solution for this task be...

Motion-threading is a novel technique that can efficiently incorporate motion information into the 3D wavelet video coding. By utilizing shape adaptive wavelet transform along with motionthreading technique, the 3D wavelet video coding can greatly outperform MPEG-4 for those sequences with simple motion. Since the motion estimation used in the threading process only considers the correlation of...

Photon counting 3D imaging allows to obtain 3D images with single-photon sensitivity and sub-ns temporal resolution. However, it is challenging to scale to high spatial resolution. In this work, we demonstrate a photon counting 3D imaging technique with short-pulsed structured illumination and a single-pixel photon counting detector. The proposed multi-resolution photon counting 3D imaging tech...

T2* and quantitative susceptibility mapping (QSM) of magnetic resonance imaging (MRI) images provide different type inner structure information of scanned organs. If they can be properly fused into one set, the details of the scaned organ can be revealed more clearly. In this paper, a 3D MRI image fusion method based on 3D compactly supported shearlet transform (3D-CSST) and 3D dual tree compac...

Nowadays many MRI scans can give 3D volume data with different contrasts, but the observers may want to view various contrasts in the same 3D volume. The conventional 2D medical fusion methods can only fuse the 3D volume data layer by layer, which may lead to the loss of interframe correlative information. In this paper, a novel 3D medical volume fusion method based on 3D band limited shearlet ...

Insertion of a text message, audio data or/and an image into another image or 3D model is called as a watermarking process. Watermarking has variety of applications like: Copyright Protection, Owner Identification, Copy Protection and Data Hiding etc., depending upon the type of watermark insertion algorithm. Watermark remains in the content after applying various attacks without any distortion...