Rate-Distortion optimised HDR video compression (rate)
An Efficient Rate Distortion Approach for Video Compression
... mobile video application is how to browse high- resolution (HR) videos on mobile devices with small ...other video coding standards, ...the video resolution, frame rate and some stuff called ...
6
An evaluation of power transfer functions for HDR video compression
... 4.3.1 Analysis Figures 5a to 5c show the results for each of the tested methods for the three quality metrics presen- ted in Section 4.1. On each of the figures an increase on the Y axis indicates improved objective ...
11
Improving the Rate-Distortion Performance in Distributed Video Coding
... by the Wyner-Ziv encoder to the number of bits in the sequence X indicates the compression rate. 2.2.1 LDPC codes for distributed coding A low-density parity-check (LDPC) code is a linear error-correcting ...
136
Rate-distortion and Rate-quality Performance Analysis of HEVC Compression of Medical Ultrasound Videos
... reference video, i.e. unimpaired video, whereas the other sequence is ...to rate both the sequences on two separate scales of 1 to 5, where 1 cor- responds to the lowest and 5 to the highest ...
7
Rate-distortion analysis and traffic modeling of scalable video coders
... (b) Frame 73 Fig. 34. (a) Frame 39 and (b) frame 73 of CIF Foreman fitted with the SQRT model. of parameters. We also examined the accuracy of SQRT in PFGS. Recall that PFGS uses pre- diction in the enhancement layer to ...
172
Unbalanced Multiple Description Video Coding with Rate Distortion Optimization
... 1. INTRODUCTION In recent years, the volume of multimedia data transmitted over best-effort networks such as the Internet has continued to increase while packet losses and delays, due to conges- tion, routing delay, and ...
10
A Temporal Dependency Model for Rate-Distortion Optimization in Video Coding
... for Rate-Distortion Optimization in Video Coding ABSTRACT Many video codecs use motion compensated prediction to achieve compression ...quantization distortion in a block may ...
14
Complexity-rate-distortion Evaluation of Video Encoding for Cloud Media Computing
... IPTV, video conference, video surveillance and video recording, real-time video encoding is ...real-time video encoding is not easy to achieve due to the high complexity of video ...
5
RATE DISTORTION OPTIMIZATION FOR MOTION -PARAMETERS OF VIDEO CODING USING 3D-DWT
... popular video compression coding standards such as MPEG- 2, ...in video processing applications such as the detection of noise in image sequences, interpolation/prediction of missing data in image ...
11
An Operational Rate-Distortion Optimal Single-Pass SNR Scalable Video Coder
... II. M ETHODS FOR SNR S CALABILITY The traditional method for SNR scalability as utilized by the video compression standards (MPEG-2 [5], H.263 [1]) consists of the following steps. The base layer is created ...
8
Two-Step Rate Distortion Optimization Algorithm for High Efficiency Video Coding
... Efficiency Video Coding (HEVC) is the newest video coding standard for improvement in video data ...the rate-distortion (RD) cost is calculated for all possible dimensions of coding ...
6
Macroblock level rate and distortion estimation applied to the computation of the Lagrange multiplier in H.264 compression
... in video compression is to obtain the best trade-off between the conveyed rate and the perceived distortion of the reconstructed ...decisions. Rate-distortion optimization is ...
166
Live HDR video streaming on commodity hardware
... channels, HDR requires floating point numbers to represent the full range of light in a ...1080) HDR frame requires 24 Mbytes. At a frame rate of 30 fps, a minute of HDR video results ...
12
POST PROCESSING AND RATE DISTORTION ALGORITHM FOR VP8 VIDEO CODEC FOR MOBILE COMMUNICATION APPLICATIONS
... Keywords— Rate distortion, Post processing, Video, VP8, Mobile, PSNR, QF 1 INTRODUCTION Video coding and transmission of this data in mobile multimedia communication is very much important for ...
13
Overview and Evaluation of the JPEG XT HDR Image Compression Standard
... layer rate-distortion can be observed because implementations used differing legacy JPEG ...the rate- distortion curve of the 8-bit and 12-bit extension mode lie exactly on each other as ...
15
End-to-End Rate-Distortion Optimized MD Mode Selection for Multiple Description Video Coding
... the compression e ffi ciency/error resilience spec- trum, from most e ffi cient single description coding to most resilient repetition ...reduce distortion from losses ...end-to-end distortion estima- ...
12
Subjective and objective evaluation of HDR video compression
... (HDR) video compression require efficient objective ...HDR video. For this purpose, subjective tests were conducted using SIM2 HDR monitor and several video sequences ...
6
Rate-distortion optimised transform competition for intra coding in HEVC
... as shown in table II. This table reports numbers computed for the BlowingBubbles item. Some configurations have been tested, combining both blocks sizes and various numbers of RDOTs. Table II reveals the potential gains ...
5
Using a rate-distortion curve to determine an ideal maximum video bit rate
... a rate-distortion curve to determine an ideal maximum video bit rate ABSTRACT The target bit rate for a video that is to be transported across a network to a receiver is ...
10
Chest compression rate measurement from smartphone video
... estimating compression rate during chest compression and CPR using the built-in camera, and performing all calculations in real time, has been pro- posed, implemented and ...target compression ...
19