Výsledky vyhledávání - hybrid entropy coder

An Efficient Architecture and High-Throughput Implementation of CCSDS-123.0-B-2 Hybrid Entropy Coder Targeting Space-Grade SRAM FPGA Technology Autor Chatziantoniou, Panagiotis, Tsigkanos, Antonis, Theodoropoulos, Dimitris, Kranitis, Nektarios, Paschalis, Antonis

“… A key feature of the CCSDS-123.0-B-2 is the improved Hybrid Entropy Coder providing substantially better compression performance than the Issue 1 entropy coders at low bit rates…”
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A Parallel Architecture and Implementation for Near-Lossless Hyperspectral Image Compression Based on CCSDS 123.0-B-2 With Scalable Data-Rate Performance Autor Chatziantoniou, Panagiotis, Tsigkanos, Antonis, Theodoropoulos, Dimitris, Kranitis, Nektarios, Paschalis, Antonis

“… In 2019, the Consultative Committee for Space Data Systems (CCSDS) released the CCSDS 123.0-B-2 recommended standard, allowing near-lossless compression, through a closed-loop quantizer, by introducing a Hybrid Entropy Coder option…”
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An Efficient Architecture and High-Throughput Implementation of CCSDS-123.0-B-2 Hybrid Entropy Coder Targeting Space-Grade SRAM FPGA Technology Autor Chatziantoniou, Panagiotis, Tsigkanos, Antonis, Theodoropoulos, Dimitris, Kranitis, Nektarios, Paschalis, Antonis

“… A key feature of the CCSDS-123.0-B-2 is the improved Hybrid Entropy Coder, which at low bit rates, provides substantially better compression performance than the Issue 1 entropy coders…”
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Mixed Chroma Sampling-Rate High Efficiency Video Coding for Full-Chroma Screen Content Autor Lin, Tao, Zhang, Peijun, Wang, Shuhui, Zhou, Kailun, Chen, Xianyi

“…) is to use two essentially different coders: a dictionary-entropy coder and a traditional hybrid coder…”
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The CCSDS 123.0-B-2 "Low-Complexity Lossless and Near-Lossless Multispectral and Hyperspectral Image Compression" Standard: A comprehensive review Autor Hernandez-Cabronero, Miguel, Kiely, Aaron B., Klimesh, Matthew, Blanes, Ian, Ligo, Jonathan, Magli, Enrico, Serra-Sagrista, Joan

“…: first, the calculation of predicted sample values using sample representatives that may not be equal to the reconstructed sample values, and, second, a new hybrid…”
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A study of Hadamard transform, DPCM, and entropy coding techniques for a realizable hybrid video source coder Autor Blumenthal, Robert E

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Improving Anatomical Plausibility in Medical Image Segmentation via Hybrid Graph Neural Networks: Applications to Chest X-Ray Analysis Autor Gaggion, Nicolas, Mansilla, Lucas, Mosquera, Candelaria, Milone, Diego H., Ferrante, Enzo

“… These models are often trained with loss functions such as cross-entropy or Dice, which assume pixels to be independent of each other, thus ignoring topological errors and anatomical inconsistencies…”
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A Hybrid Video Coder Based on Extended Macroblock Sizes, Improved Interpolation, and Flexible Motion Representation Autor Karczewicz, Marta, Peisong Chen, Joshi, Rajan L., Xianglin Wang, Wei-Jung Chien, Panchal, Rahul, Reznik, Yuriy, Coban, Muhammed, In Suk Chong

“…) issued by ITU-T SG16 Q.6 (VCEG) and ISO/IEC JTC1/SC29/WG11 (MPEG) in January 2010. The proposed video codec follows a hybrid coding approach based on temporal prediction, followed by transform, quantization, and entropy coding of the residual…”
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Sequential Channel Synthesis Autor Yu, Lei, Anantharam, Venkat

“…The channel synthesis problem has been widely investigated over the last decade. In this paper, we consider the sequential version in which the encoder and the…”
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Cross-Cultural Language Proficiency Scaling using Transformer and Attention Mechanism Hybrid Model Autor Zainal, Anna Gustina, Misba, M., Pathak, Punit, Patra, Indrajit, Gopi, Adapa, El-Ebiary, Yousef A.Baker, S, Prema

“… This study suggests a hybrid model that takes cross-cultural characteristics into account and successfully scales language competency by combining Transformer design with attention processes…”
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Efficient fuzzy-controlled and hybrid entropy coding strategy lossless ECG encoder VLSI design for wireless body sensor networks Autor Chen, S-L, Luo, G-A, Lin, T-L

“… The proposed algorithm consists of a novel adaptive predictor based on fuzzy decision control, and a novel hybrid entropy encoder including both a two-stage Huffman and a Golomb-Rice coding…”
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Sine Cosine Based Harris Hawks Optimizer: A Hybrid Optimization Algorithm for Skin Cancer Detection Using Deep Stack Auto Encoder Autor Madiwal, Shweta M, Burkpalli, Vishwanath

“…Skin cancer is becoming major problems due to its tremendous growth. Skin cancer is a malignant skin lesion, which may cause damage to human. Hence, prior…”
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Image Compression Based on Hybrid Domain Attention and Postprocessing Enhancement Autor Bao, Yuting, Tao, Yuwen, Qian, Pengjiang

“…Deep learning-based image compression methods have made significant achievements recently, of which the two key components are the entropy model for latent representations and the encoder-decoder network…”
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BASNet: Boundary-Aware Salient Object Detection Autor Qin, Xuebin, Zhang, Zichen, Huang, Chenyang, Gao, Chao, Dehghan, Masood, Jagersand, Martin

“… In this paper, we propose a predict-refine architecture, BASNet, and a new hybrid loss for Boundary-Aware Salient object detection…”
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Conditional Encoder-Based Adaptive Deep Image Compression with Classification-Driven Semantic Awareness Autor Lei, Zhongyue, Zhang, Weicheng, Hong, Xuemin, Shi, Jianghong, Su, Minxian, Lin, Chaoheng

“…This paper proposes a new algorithm for adaptive deep image compression (DIC) that can compress images for different purposes or contexts at different rates…”
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Video coding concepts Autor Richardson, Iain E

“…This chapter contains sections titled: Introduction Video CODEC Prediction model Image model Entropy coder The hybrid DPCM/DCT video CODEC model Summary…”
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Lossless compression codec of aurora spectral data using hybrid spatial-spectral decorrelation with outlier recognition Autor Kong, Wanqiu, Wu, Jiaji, Hu, Zejun, Jeon, Gwanggil

“… As it is no longer applicable because of the recent spectrograph reassembling, this paper presents a replacement strategy combines the unidirectional predictor with the entropy coder of the other…”
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A novel hybrid image encryption–compression scheme by combining chaos theory and number theory Autor Ahmad, Ijaz, Shin, Seokjoo

“… Therefore, incorporating one requirement into another is an interesting approach. In this study, we propose a novel hybrid image encryption and compression scheme that allows compression in the encryption domain…”
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CDANet: Contextual Detail-Aware Network for High-Spatial-Resolution Remote-Sensing Imagery Shadow Detection Autor Zhu, Qiqi, Yang, Yang, Sun, Xiongli, Guo, Mingqiang

“… In addition, the unbalanced distribution of the foreground and the background causes the common binary cross-entropy loss function to be biased, which seriously affects model training…”
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A Deep Neural Architecture for Real-Time Access Point Scheduling in Uplink Cell-Free Massive MIMO Autor Guenach, Mamoun, Gorji, Ali A., Bourdoux, Andre

“…In this paper, a novel hybrid architecture is proposed combining expert knowledge for optimal power allocation and deep artificial neural networks (ANN…”
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