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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An active contour model with local variance force term and its efficient minimization solver for multi-phase image
局部方差力项 活动轮廓模型 多相图像 最小化求解器
2023/5/8
In this work, we propose an active contour model with a local variance force (LVF) term that can be applied to multi-phase image segmentation problems. With the LVF, the proposed model is very effecti...
OPEN NETWORK FOR LOCAL SELF SUSTAINABILITY, BOOSTING BIOREGIONAL DEVELOPMENT THROUGH AN OPEN DATA SHARING SYSTEM
Self sustainability Spatial Data Sharing Systems geo-referenced LCA data
2018/11/8
The paper presents an online geodatabase currently under development. Its name is Open NETwork for Local Self Sustainability and the website address is www.oloss.net.The goal of this platform is to pu...
GF-3 SAR IMAGE DESPECKLING BASED ON THE IMPROVED NON-LOCAL MEANS USING NON-SUBSAMPLED SHEARLET TRANSFORM
GF-3 SAR non-subsampled Shearlet transform image despeckling improved Non-Local Means
2018/5/15
GF-3 synthetic aperture radar (SAR) images are rich in information and have obvious sparse features. However, the speckle appears in the GF-3 SAR images due to the coherent imaging system and it hinde...
Local Sequence Based Rendezvous Algorithms for Cognitive Radio Networks
Rendezvous Time to Rendezvous Local Se- quence
2016/1/22
Rendezvous process plays an important role in constructing Cognitive Radio Networks (CRNs), through which a user establishes a link on a common licensed channel for communication with its neighbors.
The Advantages of Local Monitoring and VHF Data Broadcast for SBAS
Local Monitoring VHF Data Broadcast SBAS
2015/6/26
In Space Based Augmentation Systems (SBAS), many reference receivers are placed throughout a large region, and their measurements are combined to create a set of corrections for each ranging satellite...
ALTERNATIVE METHODOLOGIES FOR THE ESTIMATION OF LOCAL POINT DENSITY INDEX: MOVING TOWARDS ADAPTIVE LIDAR DATA PROCESSING
LIDAR Point cloud Processing Estimation Quality Analysis
2014/4/28
Over the past few years, LiDAR systems have been established as a leading technology for the acquisition of high density point clouds over physical surfaces. These point clouds will be processed for t...
An O(log n) Distributed Approximation Algorithm for Local Broadcasting in Unstructured Wireless Networks
Local Broadcasting Unstructured Wireless Networks
2012/12/4
The unstructured multi-hop radio network model, with asynchronous wake-up, no collision detection and little knowledge on the network topology, is proposed for capturing the particularly harsh charact...
Local adaptive learning and fusion for side information interpolation in distributed video coding
Local adaptive side information interpolation distributed video coding
2010/12/20
Motivated by theoretical analysis of the curve fitting problem based on equivalent kernel, in this paper we propose a local adaptive learning and fusion model for side information interpolation in dis...
Directional Correlation Analysis of Local Haar Binary Pattern (LHBP) for Text Detection
Directional Correlation Analysis Local Haar Binary Pattern Text Detection
2010/12/17
Two main restrictions exist in state-of-the-art text detection algorithms: 1. Illumination variance; 2. Text-background contrast variance. This paper presents a robust text
characterization approach ...
A Pixel-Wise Local Information-Base Background Subtraction Approach
Pixel-Wise Local Information-Base Subtraction Approach
2010/12/17
Background subtraction is a widely used method for moving object detection in computer vision. It is usually applied in video surveillance systems. There are two major kinds of
background subtraction...
Dynamic Background Subtraction Based on Local Dependency Histogram
Dynamic Background Subtraction Local Dependency Histogram
2010/12/17
Traditional background subtraction methods perform poorly when scenes contain dynamic backgrounds such as waving tree, spouting fountain, illumination changes, camera
jitters, etc. In this paper, a n...
Dynamic Background Modeling and Subtraction Using Spatio-Temporal Local Binary Patterns
Dynamic Background Modeling Subtraction Spatio-Temporal Local Binary Patterns
2010/12/17
Traditional background modeling and subtraction methods have a strong assumption that the scenes are of static structures with limited perturbation. These methods will perform
poorly in dynamic scene...
V-LGBP: Volume Based Local Gabor Binary Patterns for Face Representation and Recognition
V-LGBP Gabor Binary Patterns Face Representation
2010/12/17
In this paper, we propose volume based local Gabor binary patterns (V-LGBP) for face
representation and recognition. In our method, the Gabor feature set of each gray image is regarded as a three dim...
Matching Images more Efficiently with Local Descriptors
Matching Images Local Descriptors
2010/12/17
Image matching is a fundamental task for many applications of computer vision. Today it is very popular to represent two matched images as two bags of local descriptors, and the classic RANSAC based m...
Hierarchical Background Subtraction using Local Pixel Clustering
Hierarchical Background Local Pixel Clustering
2010/12/17
We propose a robust hierarchical background subtraction technique which takes the spatial relations of neighboring pixels in a local region into account to detect objects in difficult conditions. Our ...