نتایج جستجو برای: reconstruction process
تعداد نتایج: 1423748 فیلتر نتایج به سال:
IMPORTANCE Most women undergoing mastectomy for breast cancer do not undergo breast reconstruction. OBJECTIVE To examine correlates of breast reconstruction after mastectomy and to determine if a significant unmet need for reconstruction exists. DESIGN, SETTING, AND PARTICIPANTS We used Surveillance, Epidemiology, and End Results registries from Los Angeles, California, and Detroit, Michiga...
background post-mastectomy breast reconstruction is commonly performed in the united states with numerous options available to patients and providers. this study evaluated patient race and provider in prediction of patient satisfaction following post-mastectomy breast reconstruction. methods the patient satisfaction for women who underwent post mastectomy breast reconstruction at university of ...
Nowadays, SRR (super resolution image reconstruction) technology is a very effective method in improving spatial resolution of images and obtaining high-definition images. The SRR approach is an image late processing method that does not require any improvement in the hardware of the imaging system. In the SRR reconstruction model, it is the key point of the research to choose a proper cost fun...
This paper introduces a new formulation for analysis and design of modulated lter banks. A unique feature of the formulation is that it provides explicit control of the input-to-output system delay. The paper discusses minimum delay lter banks and demonstrates that truly exact reconstruction is possible in this context. The formulation provides a broad range of design exibility within a compact...
the present review classifies and describes the multifactorial causes of anterior cruciate ligament (acl) surgery failure, concentrating on preventing and resolving such situations. the article particularly focuses on those causes that require acl revision due to recurrent instability, without neglecting those that affect function or produce persistent pain. although primary acl reconstruction ...
In this Letter, we study the reconstruction of digital holograms of microscopic objects using a fixed-point representation of the numercial-reconstruction process. For different bit levels in our fixed-point reconstruction algorithm, we investigate the errors introduced to both the reconstructed image intensity and the unwrapped quantitative phase information. Experimental results based on a mi...
Fluorescent molecular tomographic image reconstruction usually involves repeatedly solving large-scale matrix equations, which are computationally expensive. In this paper, a method is proposed to reduce the scale of the matrix system. The Jacobian matrix is simplified by deleting the columns or the rows whose values are smaller than a threshold. Furthermore, the measurement data are divided in...
Morphologic gain-controlled regularization for edge-preserving super-resolution image reconstruction
Total Variation or Bilateral Total variation based regularization of ill-posed Super Resolution (SR) problem is well-established. However, the SR image reconstructed by this method produces ringing artifacts near strong edges. Second, the extension of SR Imaging to SR video always desire faster SR reconstruction process. In this paper we develop a gain-controlled based locally adaptive regulari...
In the process of three-dimensional reconstruction of single particle biological macromolecules several hundreds, or thousands, of projection images are taken from tens or hundreds of independently digitized micrographs. These different micrographs show differences in the background grey level and particle contrast and, therefore, have to be normalized by scaling their pixel values before enter...
This document describes the three-dimensional reconstruction of the internal and external surfaces of the human’s left ventricle from actual SPECT data. The reconstruction is a first process fitting in a complete VR application that will serve as an important diagnosis tool for hospitals. Beginning with the surfaces reconstruction, the application will provide volume and interactive real-time m...
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