Volume Rendering Transfer Function Design Based on eXtreme Gradient Boosting for Fast Visualization
نویسندگان
چکیده
منابع مشابه
GVF-Based Transfer Functions for Volume Rendering
Transfer function is very important for volume rendering. One common approach is to map the gradient magnitude to opacity transfer functions. However, it catches too many small details. Gradient vector flow (GVF) vectors have large magnitudes in the immediate vicinity of the edges, where the GVF vectors keep coordinate with the vectors of the gradient of the edge map. While in homogeneous regio...
متن کاملVolume visualization and exploration through flexible transfer function design
Direct volume rendering (DVR) is a well-known method for exploring volumetric data sets. Optical properties are assigned to the volume data and then a DVR algorithm produces visualizations by sampling volume elements and projecting them into the image plane. The mapping from voxel values to optical attribute values is known as transfer function (TF). Therefore, the quality of a visualization is...
متن کاملMulti-class Image Classification Based on Fast Stochastic Gradient Boosting
Nowadays, image classification is one of the hottest and most difficult research domains. It involves two aspects of problem. One is image feature representation and coding, the other is the usage of classifier. For better accuracy and running efficiency of high dimension characteristics circumstance in image classification, this paper proposes a novel framework for multi-class image classifica...
متن کاملFast Visualization of Object Contours by Non-Photorealistic Volume Rendering
In this paper we present a fast visualization technique for volumetric data, which is based on a recent nonphotorealistic rendering technique. Our new approach enables alternative insights into 3D data-sets (compared to traditional approaches such as direct volume rendering or iso-surface rendering). Object contours, which usually are characterized by locally high gradient values, are visualize...
متن کاملConfocal Volume Rendering: Fast Segmentation-Free Visualization of Internal Structures
Volume rendering is now a common tool for multidimensional data exploration in biology, medicine, meteorology, geology, material science, and other fields. In order to perform volume rendering, users are often forced to preprocess and segment their data. This step of processing before visualization often inhibits the use of volume rendering as it can be quite cumbersome and can also introduce u...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: DEStech Transactions on Computer Science and Engineering
سال: 2020
ISSN: 2475-8841
DOI: 10.12783/dtcse/cmso2019/33629