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Implementation of a Verification System using Teal/Truss and SystemVerilog
Young-Jin Oh,Myoung-Keun You,Byeong-Deok Kim,Gi-Yong Song 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
The implementation of a verification system using both Teal/Truss as one of high level verification environments and SystemVerilog which is hardware description and verification language is presented in this paper. SystemVerilog unifies several proven hardware design and verification languages, in the form of extensions to the Verilog HDL. Teal is class library of SystemVerilog/C++ for functional verification and Truss is an implementation of an open-source verification infrastructure based on layer approach through OOP techniques. The functionality of implemented verification system in this paper is verified using DUT which performs the operation of bilinear interpolation. Bilinear interpolation is a mathematical method for interpolating a new pixel's value with surrounding pixels. It is one of the basic operations for image resize.
The Functional Verification of a Sequential Booth’s Multiplier using Layered Testbench
Young-Jin Oh,Gi-Yong Song 대한전자공학회 2010 ICEIC:International Conference on Electronics, Inf Vol.1 No.1
The implementation of a verification environment using layered testbench is presented in this paper. SystemVerilog unifies several proven hardware design and verification languages, in the form of extensions to the Verilog HDL. The importance of verification environment based on OOP technique is increasing for high level functional verification. Due to the flexibility inherent in using OOP, code becomes simpler to use and more adaptable. The operations of Booth’s multiplier are verified in the layered testbench environment.
Evaluation of 3D Data Service Based on Depth Image Based Rendering over T-DMB
Youngjin Oh,Kwanghee Jung,Joong Kyu Kim,Gwangsoon Lee,Hyun Lee,Namho Hur,Jinwoong Kim 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
3D data service over Terrestrial-Digital Multimedia Broadcasting (T-DMB) is very attractive because the single user environment of T-DMB is suitable to glassless 3D viewing. However, the bit budget for transmission of additional 3D data over T-DMB is very limited with 32Kbps through data service channel. To overcome this limited condition, Depth-Image-Based-Rendering (DIBR) can be applied, because corresponding depth sequence is only additionally needed to current TDMB and this can be compressed effectively. Therefore, in this paper, we evaluate 3D data service based on DIBR over T-DMB. Evaluation mainly consists of two experiments. One is to evaluate the coding efficiency of depth sequences and the other is to measure the subjective quality and percived depth of auto-stereosopic image generated by DIBR with coded depth sequence. Therefore, we evaluate the possibility of transmitted depth image through data service channel that transmission rate is 32Kbps. Evaluation results show that DIBR can efficiently be utilized for 3D data service over T-DMB. However, it is also shown that the development of some techniques such as the depth preprocessing is required for the improvement of image quality.
Youngjin Oh,Chesoong Kim,Agassi Melikov 대한산업공학회 2013 Industrial Engineeering & Management Systems Vol.12 No.3
This paper proposes a space merging approach to studying the queuing models with finite buffers and jump priorities. Upon the arrival of a call with low priority, one call of such kind is assumed to be transferred to the end of the queue of high priority calls. The transfer probabilities depend on the state of the queue of the heterogeneous calls. We developed the algorithms to calculate the quality of service metrics of such queuing models, and the results of the numerical experiments are shown.
Young Jin Oh,Kyong Ho Kim,Hong Tae Yun,Keum Yong Park,Sug Kee Suh,Jung Kyung Moon,Sang Kyun Cho,Young Jin Kim,Soo Dong Kim,Ho Ki Park,Jung Gon Kim,In Youl Baek,Yong Duk KimDo 한국육종학회 2007 한국육종학회지 Vol.39 No.4
A new sprout-soybean cultivar, "Pungwon" was developed at the Honam Agricultural Research Institute (HARI), and National Institute of Crop Science (NICS) in 2006. "Pungwon" was selected from a cross between S193001 and Suwon 164. The preliminary, advanced, and regional yield trials for evaluation and selection of this line (Iksan 52) were carried out from 2002 to 2006. This cultivar has a determinate growth habit, white flower, grayish brown pubescence, yellow seed coat, yellow hilum, lanceolate leaflet shape and small seed size (10.9 grams per 100 seeds). The maturity date of "Pungwon" is seven days earlier than that of the check variety, "Pungsan". It has a good seed quality for soybean-sprout. The soybean-sprouts grown from "Pungwon" have high isoflavone (5,935 μg/g) and amino acid (160 mg/g) contents. This cultivar has resistance to soybean mosaic virus (SMV), necrotic symptom (SMV-N), and other most troublesome soybean diseases which are bacterial pustule and black root rot. Especially, "Pungwon" has useful characteristics, such as lodging and shattering resistance. The average yield of "Pungwon" was 3.04 ton per hectare, about 7 % higher than the check variety, "Pungsan" at the regional yield trials (RYT) for double cropping.
A New Soybean Cultivar, "Dagi" Suitable for Sprout with High Isoflavone and Asparagine
Young Jin Oh,Sug Kee Suh,Ho Ki Park,Kyong Ho Kim,Hag Sin Kim,Young Jin Kim,Duck Yong Suh,Moon Soo Park,Moon Hee Lee 한국육종학회 2004 한국육종학회지 Vol.36 No.3
A new sprout-soybean variety, “Dagi” was developed from the cross between Namhaekong and D70-6545 by the soybean breeding laboratory of the National Honam Agricultural Experiment Station (NHAES) in 2002. The preliminary, advanced, and regional yield trial
Implementation of a DMAC using SystemC
Young-Jin Oh,Byeong-Deok Kim,Myoung-Keun You,Gi-Yong Song 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
Recently, SystemC has been stressed in system-level design methodology because of the capability of system architectural model description and co-design hardware and software design. Also SystemC has many features on modeling as well as verification. DMA is an essential feature of modern systems. It improves performance of system and decreases CPU overhead. This paper describes an implementation of a DMAC using SystemC and compares performance in each channel and each system-level. By comparison of performances, we found out a proper abstraction level model for system-level design.