Evaluation of a direct motion estimation/correction method in respiratory‐gated PET/MRI with motion‐adjusted attenuation
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12253
Abstract: Purpose Respiratory motion compensation in PET/CT and PET/MRI is essential as motion is a source of image degradation (motion blur, attenuation artifacts). In previous work, we developed a direct method for joint image reconstruction/motion estimation… read more here.
Keywords: motion; jrm; motion estimation; pet mri ... See more keywords
Motion estimation for cardiac functional analysis using two x‐ray computed tomography scans
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12425
Abstract: Purpose This work concerns computed tomography (CT)‐based cardiac functional analysis (CFA) with a reduced radiation dose. As CT‐CFA requires images over the entire heartbeat, the scans are often performed at 10–20% of the tube current… read more here.
Keywords: motion; image; method; motion estimation ... See more keywords
A Pattern-Based Artificial Bee Colony Algorithm for Motion Estimation in Video Compression Techniques
Sign Up to like & getrecommendations! Published in 2018 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0613-7
Abstract: Block matching (BM) motion estimation plays an inevitable role in video coding applications. BM approaches are used for data compression. The compression is achieved by removing the temporal redundancy in the video sequences. In the… read more here.
Keywords: bee colony; video; compression; motion estimation ... See more keywords
Motion quaternion-based motion estimation method of MYO using K-means algorithm and Bayesian probability
Sign Up to like & getrecommendations! Published in 2018 at "Soft Computing"
DOI: 10.1007/s00500-018-3379-3
Abstract: AbstractThere are diverse types of devices based on natural user interface/experience for humanized computing. One such device, the MYO allows the measurement of arm motions and uses them as an interface based on gestures. There… read more here.
Keywords: quaternion; bayesian probability; motion; motion estimation ... See more keywords
High accuracy block-matching sub-pixel motion estimation through detection of error surface minima
Sign Up to like & getrecommendations! Published in 2017 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-017-4497-0
Abstract: The present paper focuses on high-accuracy block-based sub-pixel motion estimation utilizing a straightforward error minimization approach. In particular, the mathematics of bilinear interpolation are utilized for the selection of the candidate motion vectors that minimize… read more here.
Keywords: motion; sub pixel; pixel motion; accuracy ... See more keywords
An FPGA design and implementation of EPZS motion estimation algorithm for 3D H.264/MVC standard
Sign Up to like & getrecommendations! Published in 2019 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-019-7562-z
Abstract: In the Three-Dimensional H.264 Multi-view Video Coding (3D H.264/MVC), the original 3D Video (3DV) sequence is a combination of variable video frames captured for the same object by different cameras. Therefore, in order to transmit… read more here.
Keywords: 264 mvc; implementation; motion estimation; epzs ... See more keywords
Multi-Exposure Motion Estimation Based on Deep Convolutional Networks
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Computer Science and Technology"
DOI: 10.1007/s11390-018-1833-4
Abstract: In motion estimation, illumination change is always a troublesome obstacle, which often causes severely performance reduction of optical flow computation. The essential reason is that most of estimation methods fail to formalize a unified definition… read more here.
Keywords: motion; estimation; deep convolutional; motion estimation ... See more keywords
Three-level pipelined multi-resolution integer motion estimation engine with optimized reference data sharing search for AVS
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Real-Time Image Processing"
DOI: 10.1007/s11554-018-0789-5
Abstract: Integer motion estimation (IME), which acts as a key component in video encoder, is to remove temporal redundancies by searching the best integer motion vectors for dynamic partition blocks in a macro-block (MB). Huge memory… read more here.
Keywords: motion; search; motion estimation; level ... See more keywords
6-DOF motion estimation using optical flow based on dual cameras
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Central South University"
DOI: 10.1007/s11771-017-3448-2
Abstract: Because of its characteristics of simple algorithm and hardware, optical flow-based motion estimation has become a hot research field, especially in GPS-denied environment. Optical flow could be used to obtain the aircraft motion information, but… read more here.
Keywords: flow based; motion; motion estimation; optical flow ... See more keywords
ClusterSLAM: A SLAM backend for simultaneous rigid body clustering and motion estimation
Sign Up to like & getrecommendations! Published in 2021 at "Computational Visual Media"
DOI: 10.1007/s41095-020-0195-3
Abstract: We present a practical backend for stereo visual SLAM which can simultaneously discover individual rigid bodies and compute their motions in dynamic environments. While recent factor graph based state optimization algorithms have shown their ability… read more here.
Keywords: rigid body; motion; body clustering; motion estimation ... See more keywords
A schlieren motion estimation method for seedless velocimetry measurement
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2019.109880
Abstract: Abstract Schlieren imaging is a widely used technique for flow visualization in thermal fluid investigations due to its high sensitivity, flexibility and ease of use. In this paper, a schlieren motion estimation (SME) algorithm is… read more here.
Keywords: method; estimation method; motion estimation; schlieren motion ... See more keywords