Výsledky vyhledávání - "Video coder"

Intra-Frame Coding Using a Conditional Autoencoder Autor Brand, Fabian, Seiler, Jurgen, Kaup, Andre

“…Exploiting spatial redundancy in images is responsible for a large gain in the performance of image and video compression. The main tool to achieve this is…”
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Performance analysis of hybrid coders in multi-constraints pruned environment Autor Kumar, Krishan, Kumar, Rajender, Mahajan, Shubham, Chakraborty, Chinmay, Pandit, Amit Kant

“…Advance Video Coder (H.264/AVC) and High-Efficiency Video (H.265/HEVC) coders are fast developing video compression standards, provides high compression and…”
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Model-Based Transrating of H.264 Coded Video Autor Hait, N., Malah, D.

“…This paper presents a model-based transrating (bit-rate reduction) system for H.264 coded video via requantization. In works related to previous standards,…”
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Lossless image compression algorithm and hardware architecture for bandwidth reduction of external memory Autor Li, Shizhong, Yin, Haibing, Fang, Xiangzhong, Lu, Huijuan

“…In high definition (HD) video coders, huge memory access bandwidth is the major throughput bottleneck. Lossless embedded compression is an efficient solution…”
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Pixel‐domain Wyner‐Ziv residual video coder with adaptive binary‐to‐Gray code converting process Autor Kim, Jin‐Soo, Kim, Jae‐Gon, Choi, Haechul, Seo, Kwang‐Deok

“…A pixel‐domain Wyner‐Ziv residual video coding scheme is presented. In this scheme, based on the statistical distribution characteristics of the residual…”
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A Multiple Description Video Codec With Adaptive Residual Distributed Coding Autor Chen, Jiann-Jone, Lee, Shih-Chieh, Chen, Ching-Hua, Sun, Chen-Hsiang, Jhuang, Jyun-Jie, Lu, Chi-Chun

“…Multiple description coding (MDC) decomposes one single media into several descriptions and transmits them over different channels for error resilience. Each…”
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Performance-Driven Methods for Fine Granularity Scalable Video Coding Autor Kao, Chi-Chou

“…Fine granularity scalable video encoder is important for obtaining good image quality for Internet video. However, it may need a very long motion estimation…”
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Stereoscopic video coding and disparity estimation for low bitrate applications based on MPEG-4 multiple auxiliary components Autor Kim, Jiyoung, Kim, Yongtae, Sohn, Kwanghoon

“…Using an MPEG-4 MAC (multiple auxiliary component) system is a good way to encode stereoscopic video with existing standard CODECs, especially when it comes to…”
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Motion-compensated temporal filtering with optimized motion estimation Autor Karunakar, A. K., Pai, M. M. Manohara

“…The lifting-based discrete wavelet transforms applied temporally along the motion trajectory is a powerful tool in scalable video compression. The longer…”
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Design of a novel architecture of 3-D discrete wavelet transform for image processing through video compression Autor Challa, Komala Vani, Krishna, Puram Vamshi, Rao, Chintapanti Nageswar

“…This paper presents a low power and high speed 3-D-DWT (three-dimensional discrete wavelet transform) architecture for image compression. With the recent…”
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Physical layer unequal error protection of wavelet coded video using Hierarchical QAM Autor Khan, M A, Hasan, T, Moinuddin, A A, Khan, E

“…Unequal Error protection (UEP) of wavelet coded video is investigated using Hierarchical Quadrature Amplitude Modulation (HQAM). Based on the unequal…”
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On the computation of warping-based motion compensation in video sequence coding Autor Neri, A., Colonnese, S.

“…The paper illustrates a method for affine warping-based motion compensation using the computing architecture of H263 advanced prediction (AP) mode, namely,…”
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A global model of AVC/H.264 video encoders Autor Grajek, T., Domanski, M.

“…For AVC/H.264 video encoders, the paper describes a simple global model that defines a relationship between the bitrate and the quantization step Q step for…”
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Multiple description video coding using motion-compensated algorithm Autor Franchi, N., Fumagalli, M., Lancini, R.

“…This paper proposes a multiple description (MD) video coder, which uses motion-compensated predictions. We suggested a new algorithm of MD named polyphase…”
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Low-complexity feedback-channel-free distributed video coding using local rank transform Autor Raj Bhagath, Pudi, Mallick, Kallol, Mukherjee, Jayanta, Mukopadhayay, Sudipta

“…In this study, the authors propose a new feedback-channel-free distributed video coding algorithm using local rank transform (LRT). The encoder computes LRT by…”
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Theoretical analysis and reduction of the quantization noise effects in the SA-DCT Autor Acocella, Emilio Carlos, Alcaim, Abraham

“…We present a detailed mathematical analysis of two important problems in object‐based video coders that use shape‐adaptive discrete cosine transform (SA‐DCT)…”
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