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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...
Auto Regressive Model and Weighted Least Squares Based Packet Video Error Concealment
Auto Regressive Model Weighted Least Squares Video Error Concealment
2010/12/21
In this paper, auto regressive (AR) model is applied to error concealment for block-based
packet video encoding. Each pixel within the corrupted block is restored as the weighted
summation of corres...
An auto-regressive model for improved low-delay distributed video coding
auto-regressive model improved low-delay distributed video coding
2010/12/20
In this paper, an auto-regressive (AR) model is proposed to generate the side information for low-delay distributed video coding (DVC). The side information generation of current Wyner-Ziv (WZ) frame ...
An Auto-regressive Model for Checkboard Splitting based Wyner-Ziv Coding
Auto-regressive Model Checkboard Splitting Wyner-Ziv Coding
2010/12/20
An auto-regressive (AR) based side information (SI)generation is proposed in this paper for block based chessboard pattern Wyner-Ziv (WZ) coding, where each WZ frame is split into two sets at encoder ...
A High Efficient Error Concealment Scheme Based On Auto-Regressive Model For Video Coding
Error Concealment Scheme Auto-Regressive Model Video Coding
2010/12/20
In this paper, a high efficient temporal error concealment scheme based on auto-regressive (AR) model is proposed for video coding. The proposed AR based error concealment
scheme includes a forward A...
A Perception-based Scalable Encryption Model for AVS Audio
Perception-based Scalable Encryption Model AVS Audio
2010/12/17
Audio Video coding Standard (AVS) is China’s secondgeneration source coding/decoding standard with fully Intellectual Properties. As the sixth part of AVS standard, AVSDRM
aims to offer the universal...
A Simple Algorithm for Constant Quality Reconstruction of Scalable video Using a New Analytical R-D Model,
Constant Quality Scalable video Analytical R-D Model
2010/12/16
In this paper, we first introduce the analytical R-D model of scalable video in our recent work. The R-D model is induced by the R-D analysis of Generalized Gaussian Distribution (GGD). Then we propos...
An Active Volumetric Model for 3D Reconstruction
active volumetric model 3D reconstruction
2010/12/15
In this paper, we present an active volumetric model (AVM) for 3D reconstruction from multiple calibrated images of a scene. The AVM is a physically motivated 3D deformable
model which shrinks active...
Robust moving object segmentation on H.264/AVS compressed video using the block-based MRF model
H.264/AVS compressed video the block-based MRF model
2010/12/15
Moving object segmentation in compressed domain plays an important role in many real-time applications, e.g. video indexing,video transcoding, video surveillance, etc. Because H.264/AVC is the up-to-d...
A Region Based Image Matching Method With Regularized SAR Model
Image Matching Method Regularized SAR Model
2010/12/14
In this paper, we propose a new region-based image matching method to find the user defined regions in other images. We use color histogram and SAR (simultaneous autoregressive) model parameters as ma...
Correlation Learning Method Based on Image Internal Semantic Model for CBIR
Image Internal Semantic Model CBIR
2010/12/14
Semantic-based image retrieval is the desired target of Content-based image retrieval (CBIR). In this paper, we proposed a new method to extract semantic information for CBIR using the relevance feedb...
Facial Feature Tracking Combining Model-Based And Model-Free Method,
Facial Feature Model-Based Model-Free Method
2010/12/14
In this paper we propose a novel facial feature tracker,which integrates model-free and model-based method to
reliably track dense facial features with complex non-rigid motions in low quality video ...