Design of an error-correcting code for two-layer high-capacity optical storage

2003 ◽  
Author(s):  
He xiong Li ◽  
Duanyi Xu
Keyword(s):  
Error Correcting Code ◽  
High Capacity ◽  
Optical Storage

Photodimerization for high-capacity digital optical storage

2004 ◽  
Author(s):  
P. S. Ramanujam ◽  
B. Lohse ◽  
Rolf H. Berg
Keyword(s):  
High Capacity ◽  
Optical Storage

A Secure Video Steganography Based on ECC and DCT

2012 ◽  
Vol 433-440 ◽  
pp. 5378-5383 ◽  
Author(s):  
Li Xian Wei ◽  
Peng Yang ◽  
Xiao Yuan Yang
Keyword(s):  
Error Correcting Code ◽  
High Capacity ◽  
Hiding Capacity ◽  
Video Steganography ◽  
Secret Information ◽  
Dct Coefficients

Video steganographic algorithm has the advantage of large hiding capacity, but we neglect the security when seek the capacity. In order to balance the two aspects, both to meet the high capacity of improving the load of video carrier and can safely protect the secret information. This paper presents the error-correcting code which can effectively correct burst errors and use it in video steganography. The secret information is hidden in error-correcting code first and then integrated the code with secret information with the video carrier’s DCT coefficients to insert the secret information in video carrier. The experiment results show that: this algorithm not only has great visual and statistical invisibility, also the safety of secret information is more significant. And achieve the objective of effective protect the secret information.

Reaction Kinetics and Optical Storage Characters of a New Diarylethene Materials with Composite Properties

2012 ◽  
Vol 583 ◽  
pp. 105-108
Author(s):  
Shi Qiang Cui ◽  
Yan Hua Yang ◽  
Shou Zhi Pu
Keyword(s):  
Reaction Kinetics ◽  
High Capacity ◽  
Optical Storage ◽  
Order Reaction ◽  
Optical Recording ◽  
Pmma Film ◽  
Zeroth Order ◽  
Photochromic Properties ◽  
First Order ◽  
Composite Properties

Photochromism; Diarylethene materials; Fluorecence; Reaction kinetics. Abstract. A new unsymmetrical photochromic diarylethene, 1-(2-methyl-5-phenyl-3-thienyl)-2-[2-methyl-5-(4-formyl-phenyl)-3-thienyl]perfluorocyclopentene (1a), was synthesized, and its photochromic properties and reaction kinetics were investigated, respectively. The compound exhibited good photochromism both in solution and in PMMA film with alternating irradiation by UV/Vis light. The cyclization processes of compound 1a belong to the zeroth order reaction, while the cycloreversion processes belong to the first order reaction. The optical recording results indicated that the new photochromic diarylethene can be applied in high capacity optical storage.

The Hardware and Software Design of Dual Pick-up Head Three-Dimensional Optical Storage System

2011 ◽  
Vol 332-334 ◽  
pp. 727-730
Author(s):  
Jian Wen Cai
Keyword(s):  
Data Storage ◽  
Storage System ◽  
Three Dimensional ◽  
High Capacity ◽  
Computer Software ◽  
Experimental System ◽  
Optical Storage ◽  
Optical Data Storage ◽  
Optical Data ◽  
Capacity Data

Femtosecond laser two-photon three-dimensional optical data storage is an effective method for high capacity data storage. In this paper, system construction is analyzed in detail from hardware and software aspects for dual pick-up head three-dimensional optical storage systems. Three-dimensional optical storage system is conposed of the fluorescence reader module and the servo control module, firstly analyzes the read and write process of three-dimensional optical storage by 89c52 MCU controling from the hardware. Then, the software is analyzed in detail, the software consists of two parts: the lower computer software and PC software. lower computer software achieves communication and control related to hardware, PC software is used to facilitate the control of the experimental system. Two CPU control software is introduced, and controlling process of PC software control is analyzed in detail. These work has laid a solid foundation for the practical of three-dimensional optical storage technology.

Cycloaddition in Peptides for High-Capacity Optical Storage

2006 ◽  
Vol 45 (1B) ◽  
pp. 488-492 ◽  
Author(s):  
Brian Lohse ◽  
Rolf H. Berg ◽  
Søren Hvilsted ◽  
P. S. Ramanujam
Keyword(s):  
High Capacity ◽  
Optical Storage

CuS2 sheets: a hidden anode material with a high capacity for sodium-ion batteries

2021 ◽  
Author(s):  
Shaohua Lu ◽  
Weidong Hu ◽  
Xiaojun Hu
Keyword(s):  
Lithium Ion Batteries ◽  
Anode Material ◽  
Low Cost ◽  
High Capacity ◽  
Lithium Ion ◽  
Sodium Ion ◽  
Sodium Ion Batteries

Due to their low cost and improved safety compared to lithium-ion batteries, sodium-ion batteries have attracted worldwide attention in recent decades.

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