An Approach for 3d Segmentation on Multiresolution Surfaces
نویسندگان
چکیده
We present an approach for 3D segmentation on multiresolution surfaces of 3D data that are represented in the form of triangular meshes. In this approach, multiresolution surfaces are generated by applying two algorithms, mesh decimation and surface fairing methods. The decimation method simplifies surfaces into less complex forms which contain less details than the original surface. The surface fairing method is for smoothening the simplified surfaces. Patches of different multiresolution surfaces are then generated based on geometry and differential geometry information. Our approach is useful for the problem of surface matching, an important problem in computer vision. In this paper, we show experiments on two kinds of data, 3D face data and 3D protein structure data.
منابع مشابه
A hierarchical Convolutional Neural Network for Segmentation of Stroke Lesion in 3D Brain MRI
Introduction: Brain tumors such as glioma are among the most aggressive lesions, which result in a very short life expectancy in patients. Image segmentation is highly essential in medical image analysis with applications, particularly in clinical practices to treat brain tumors. Accurate segmentation of magnetic resonance data is crucial for diagnostic purposes, planning surgical treatments, a...
متن کامل3D Medical Volume Segmentation Using Hybrid Multiresolution Statistical Approaches
3D volume segmentation is the process of partitioning voxels into 3D regions (subvolumes) that represent meaningful physical entities which are more meaningful and easier to analyze and usable in future applications. Multiresolution Analysis (MRA) enables the preservation of an image according to certain levels of resolution or blurring. Because of multiresolution quality, wavelets have been de...
متن کاملA Semi-Automated Algorithm for Segmentation of the Left Atrial Appendage Landing Zone: Application in Left Atrial Appendage Occlusion Procedures
Background: Mechanical occlusion of the Left atrial appendage (LAA) using a purpose-built device has emerged as an effective prophylactic treatment in patients with atrial fibrillation at risk of stroke and a contraindication for anticoagulation. A crucial step in procedural planning is the choice of the device size. This is currently based on the manual analysis of the “Device Landing Zone” fr...
متن کاملبخشبندی معنادار مدل سهبعدی اجسام بر اساس استخراج برجستگیها و هسته جسم
3D model segmentation has an important role in 3D model processing programs such as retrieval, compression and watermarking. In this paper, a new 3D model segmentation algorithm is proposed. Cognitive science research introduces 3D object decomposition as a way of object analysis and detection with human. There are two general types of segments which are obtained from decomposition based on thi...
متن کاملFrequency-Based Representation of 3D Models using Spherical Harmonics
3D meshes are the most common representation of 3D models. However, surfaces represented by 3D meshes may contain noise or some unrequired details. Multiresolution representations and filtering techniques are very useful in this case. In this paper, we propose a new and compact representation for the surface of a general 3D mesh using the spherical harmonics. This representation can be useful i...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2003