Báo cáo hóa học: " Multiresolution Motion Estimation for Low-Rate Video Frame Interpolation" docx

Báo cáo hóa học: " Fast Motion Estimation and Intermode Selection for H.264" pptx

... pat-tern for fast block motion estimation, ” IEEE Transactions onCircuits and Systems for Video Technology,vol.12,no.5,pp.349–355, 2002.[8] Z. Chen and Y. He, “Fast Integer and Fractional Pel Motion estimation, ” ... refer-ence frames. For the FRFS, if the minimum SAD at layer 2 isover a threshold, MV reﬁnement (Step 3)isnotperformed for its corresponding reference frame. As a result, this FRFSimproves the performance ... novel unrestricted center-biased diamond search algorithm for block motion estimation, ” IEEE Transactions on Circuitsand Systems for Video Technology, vol. 8, no. 4, pp. 369–377,1998.[7] C....

Báo cáo hóa học: " Rapid Energy Estimation for Hardware-Software Codesign Using FPGAs" pdf

... modeling-based energy estimation Instruction profilinginformationHigh-levelsimulation resultsStep 2: Energy estimation of the complete systemFigure 2: The two-step energy estimation approach. For software ... instruction-level energy estimation technique in [ 18], which can provide rapid andaccurate energy estimation for FPGA-based soft processors.These energy estimation frameworks and tools target ... (intellectual property IP) cores(e.g., the IP cores for fast Fourier transform and finite im-pulse filters). For example, the Mult Simulink block for mul-tiplication provided by System Generator...

Báo cáo hóa học: "Global Motion Model for Stereovision-Based Motion Analysis" pdf

... and compres-sion based estimations for a four-parameter linear global mo-tion model and global motion compensation,” IEEE Transac-tions on Circuits and Systems for Video Technology,vol.9,no.7,pp. ... shown in Figure 4(b) .For estimating the global motion parameters, Figure 4(a) showsthe detected corners and their 2D motion vectors pointing tothe counterpoints in the previous frame. Based on such ... works well for stereovision-based camera motion analysis and the motion parameters can be eﬃciently esti-mated by the two-step iterative estimator. Based on the pre-sented model, global motion...

báo cáo hóa học:" Staged surgical treatment for severe and rigid scoliosis" docx

... severity of deformity, spine flexibility,patient's age, type of deformity, and combined otherdeformities. Severe scoliosis is more difficult to treat thanusual ones. As the spine deformity ... osteotomysite should be performed for canal decompression.Abnormities in spinal canal (bony crista or septation) orspinal stenosis should be managed before osteotomy anddeformity correction. Exposure ... scoliosisto transform the scoliosis in coronal plan to kyphosis insagital plan. For the lumbar scoliosis, the rod should berotated from concave side to convex side to transform thescoliosis...

Báo cáo hóa học: " Adjustable TXOP mechanism for supporting video transmission in IEEE 802.11e HCCA" potx

... video traffic com-poses of 3 types of frames: Int ra -frame (I -frame) , Bidir-ectional frame (B -frame) and Predicted -frame (P -frame) .An I -frame is the most important frame with the biggest frame ... mechanisms,including ARROW, outperform the basic mechanism interms of the system performance and video quality for all video categories.ATMV 1 is suitable for the slight movement video andcan support ... packet size. For example, the 300 frame of Akiyo composes of 34I-frames, 199 B-frames, and 67 P-frames, fragmentedinto 283, 199, and 79 packets, respectively. The averagepacket sizes for I-, B-,...

báo cáo hóa học:" Data-precoded algorithm for multiple-relay assisted systems" docx

... scheme outperforms the non-cooperative one for high SNR regime, due to the non-orthogonality of space-frequency codes for four transmitting antennas. Improvements are obtained for scenarios ... channel power gain for each link for relays with one antenna and for 1, , 1i L= −: 21 using Alamouti, we have an improvement of about 2.2 dB with the proposed code, for BER = 10–3, ... using TBH code, for BER = 10–3. Comparing with the non-cooperative systems, the proposed scheme outperforms the NRA 2 × 1 system by about 3 dB, for the same BER. The performance of the new...

Báo cáo hóa học: " Editorial Smart Antennas for Next Generation Wireless Systems" docx

... and the ex-pected performance is evaluated by means of initial proto-typing of a precision coupler circuit for a 2× 2array.The design of uniform rectangular arrays for MIMOcommunication ... systems. For such purposestwo optimisation criteria are considered: one based on theminimization of the average interference power at the out-put of a conventional beamformer, for which a closed-form ... Mowl´er et al. considers estimation ofthe mutual coupling matrix for an adaptive antenna arrayfrom calibration measurements. This paper explicitly incor-porates the lack of information about the...

báo cáo hóa học:" Novel data storage for H.264 motion compensation: system architecture and hardware implementation" doc

... than a maximum of 60 fps for HD frames obtained in [7]. For smaller image formats, the framerate is considerably higher: between 12623 fps for QCIF and 2502 fps for CIF format.The bandwidth toward ... the previous frame, and the requestsare made for a full frame inter-prediction. After inter-predicting, the ﬁrst P frame, this one becomes the new reference frame for the next P frame. Here,there ... on FPGA has shown speeds between95.9 fps for HD1080p frames, 229fps for HD 720p and between 2502 and12623 fps for CIF and QCIF formats.Keywords: motion compensation; quarter-pel; address;...

báo cáo hóa học:" Early disparity estimation skipping for multi-view video coding" potx

... results of the motion estimation include motion information such as the block mode and the motion vectors. This motion activity is calculated based on the information. Then, the motion activity ... disparity estimation will be performed. When disparity estimation is performed for the macroblock, the rate-distortion cost of the disparity estimation is compared with that of motion estimation ... process of the disparity estimation skipping algorithm based on the motion activity is shown in Figure 3. At first, only motion estimation is performed for a target macroblock for the temporal prediction....

Báo cáo hóa học: "ON THE ESTIMATION OF UPPER BOUND FOR SOLUTIONS OF PERTURBED DISCRETE LYAPUNOV EQUATIONS?" pdf

... THE ESTIMATION OF UPPER BOUND FOR SOLUTIONSOF PERTURBED DISCRETE LYAPUNOV EQUATIONSDONG-YAN CHEN AND DE-YU WANGReceived 20 February 2006; Revised 4 June 2006; Accepted 12 June 2006The estimation ... (2.1)The abbrev i ation SPD stands for “symmetric positive definite,” while SPSD stands for “symmetric positive semidefinite.”Next, we give some preliminary lemmas for the subsequent use.Lemma 2.1 ... A.R.Amir-Moéz, Extreme properties of eigenvalues of a hermitian transformation and singularvalues of the sum and product of linear transformations, Duke Mathematical Journal 23 (1956),463–476.[2]...

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