Kai Tang

A study on the differential protein profiles in liver cells of heat stress rats with and without turpentine treatment (2009)

Rajaseger, Ganapathy, Lim, Chin, Wui, Lee, Saravanan, Padmanabhan, Tang, Kai, Gopalakrishnakone, Ponnampalam, ...

Abstract Background Heat stress (HS) and related illnesses are a major concern in military, sports, and fire brigadiers. HS results in physiologic responses of increased temperature, heart rate and...

A Novel Method for Detecting p53 Autoantibodies in Sera of Patients with NSCLC (2009)

Kai TANG, Wentao YUE, Yue WANG, Lina ZHANG, Shaofa XU

Background and objective Serum autoantibody detection is useful means for the early diagnosis and prognosis of cancer. So our objective was to synthesize peptide array to analyse p53 autoantibodies...

Charlie C. L. Wang Department of Automation and Computer-Aided Engineering, (2008)

Shatin N. T, Kai Tang

Ruled surfaces are widely used in computer-aided design and manufacturing �CAD/CAM � and computer graphics applications. For example, they are utilized to approximate freeform surfaces so that...

Geometric Optimization Algorithms in Manufacturing (2008)

Kai Tang

In this paper we review the recent progress in the design of efficient algorithms for several geometric optimization problems in manufacturing processes. We first describe the strong geometric...

surface (2008)

Yu Wang, Kai Tang

Reduce the stretch in surface flattening by finding cutting paths to the

Reliable Haptic System for Collision-free 5-axis Tool Path Generation (2008)

Kun Chen, Kai Tang

This paper presents a collision-free 5-axis tool path generation system that uses a haptic device to perform reliable man-machine interactions. The system is based on commercial haptic devices which...

Fitting a Woven Fabric Model onto a Surface Based on Energy Minimization (2008)

Kai Tang

Surface flattening is applied in many applications, such as in the aircraft, shoe, and garment industries. In this paper, a surface flattening algorithm based on the energy-minimization on the 3D...

Geometric Optimization Algorithms in Manufacturing (2008)

Kai Tang

In this paper we review the recent progress in the design of efficient algorithms for several geometric optimization problems in manufacturing processes. We first describe the strong geometric...

Developable Triangulations of a Strip (2008)

Kai Tang

This paper presents a modeling algorithm that helps automatically generate a “most ” developable triangulated surface interpolating a given closed 3D boundary curve. The boundary curve is given...

A Surface Development Method with Application in Footwear CAD/CAM (2008)

Angela Tam, A. Joneja, Kai Tang, Z. Yao

Surface development is the process of mapping a given 3D surface into a 2D shape. The usual objective is to achieve this mapping while preserving isometry, or, for non-developable surfaces, to...

New Decomposition Scheme of Canal Surfaces for Planar Sections Computing (2008)

Jinyuan Jia, Ajay Joneja, Kai Tang

Canal surfaces are applied widely in CAD and graphics. Subdivision scheme plays an important role in many geometric operations on canal surfaces. This paper develops a new quadric-based subdivision...

Discovering Protein Sequence-Structure Motifs and Two Applications to Structural Prediction (2008)

Thomas Cheuk, Kai Tang

I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be...

Abstract Integrating Claim Quality and Risk into a Usability Engineering Tool (2008)

Mathew Davis, Kai Tang, Jamie L. Smith, D. Scott Mccrickard

This paper described the instantiation of claim quality to allow a repository system to rate usability claims, helping designers establish up front the credibility of a claim in a library. In so...

To Appear in Computer-Aided Design Maximal Intersection of Spherical Polygons by an Arc with Applications to 4-axis NC Machining (2007)

Kai Tang, Liu Yong-jin

Many geometric optimization problems in CAD/CAM can be reduced to a maximal intersection problem on the sphere: given a set of N simple spherical polygons on the unit sphere and a real number...

A Comparison of Long Versus Short Spreading Sequences in Coded Asynchronous DS-CDMA Systems (2007)

Kai Tang, Student Member, Paul H. Siegel, Laurence B. Milstein

Abstract—The performance of turbo-coded asynchronous direct sequence code division multiple access (DS-CDMA) using long and short spreading sequences is compared by both analysis and simulation....

Combined MMSE Interference Suppression and Turbo Coding for a Coherent DS-CDMA System (2007)

Kai Tang, Student Member, Laurence B. Milstein, Paul H. Siegel

Abstract—The performance of a turbo-coded code division multiaccess system with a minimum mean-square error (MMSE) receiver for interference suppression is analyzed on a Rayleigh fading channel. In...

Generating strictly non-self-overlapping structured quadrilateral grids (2007)

Lin, Hongwei, Tang, Kai, Joneja, Ajay, Bao, Hujun

In this paper, we present a BPM (Bézier Patch Mapping) algorithm which generates a strictly non-self-overlapping structured quadrilateral grid in a given four-sided planar region. Given four pieces...

ACCEPTED MANUSCRIPT Automatic Generation of Gouge-free and Angular-velocity-compliant 5-axis Toolpath (2007)

Nan Wang, Kai Tang, Nan Wang, Kai Tang

Please cite this article as: Wang N, Tang K. Automatic generation of gouge-free and angular-velocity-compliant 5-axis toolpath. Computer-Aided Design (2007), doi:10.1016/j.cad.2007.04.003 This is a...

Freeform surface flattening based on fitting a woven mesh model (2005)

Tang, Kai, Wang, Charlie C. L., Yeung, Ming Lok

This paper presents a robust and efficient surface flattening approach based on fitting a woven-like mesh model on a 3D freeform surface. The fitting algorithm is based on tendon node mapping (TNM)...

Modeling developable folds on a strip (2005)

Kai Tang

A common operation in clothing and shoe design is to design a folding pattern over a narrow strip and then superimpose it with a smooth surface; the shape of the folding pattern is controlled by the...

Bi-conic subdivision of surfaces of revolution and its applications in intersection problems (2004)

Jia, Jinyuan, Tang, Kai, Joneja, Ajay

This paper presents a novel method for subdivision of surfaces of revolutions. Such surfaces occur in a wide variety of applications. Our method approximates the surface by a series of revolute...

Modeling wrinkles on smooth surfaces for footwear design (2004)

Jing, Fu, Joneja, Ajay, Tang, Kai

We describe two new shape operators that superimpose wrinkles on top of a smooth NURBS surface. Previous research studying wrinkles focused mostly on cloth modeling or in animations, which are driven...

Non-self-overlapping Hermite interpolation mapping : a practical solution for structured quadrilateral meshing (2004)

Wang, Charlie C. L., Tang, Kai

This paper addresses the problem of constructing a structured quadrilateral grid inside a given four-sided 2D region by a particular boundary-conforming mapping scheme – Hermite Interpolation...

Achieving developability of a polygonal surface by minimum deformation : a study of global and local optimization approaches (2004)

Tang, Kai, Wang, Charlie C. L.

Surface developability is required in a variety of applications in product design, such as clothing, ship hulls, automobile parts, etc. However, most current geometric modeling systems using...

A geometric method for determining intersection relations between a movable convex object and a set of planar polygons (2004)

Tang, Kai, Liu, Yong-Jin

In this paper we investigate how to topologically and geometrically characterize the intersection relations between a movable convex polygon A and a set Ξ of possibly overlapping polygons fixed in...

Coding and interference suppression for CDMA systems on fading channels / (2001)

Tang, Kai.

Thesis (Ph. D.)--University of California, San Diego, 2001.

DNA sequencing and genotyping by transcriptional synthesis of chain-terminated RNA ladders and MALDI-TOF mass spectrometry (2001)

Kwon, Young-Soo, Tang, Kai, Cantor, Charles R., Köster, Hubert, Kang, Changwon

Sets of RNA ladders can be synthesized by transcription of a bacteriophage-encoded RNA polymerase using 3′-deoxynucleotides as chain terminators. These ladders can be used for sequencing of DNA....

Sugar additives for MALDI matrices improve signal allowing the smallest nucleotide change (A:T) in a DNA sequence to be resolved (2001)

Shahgholi, Mona, Garcia, Benjamin A., Chiu, Norman H. L., Heaney, Paul J., Tang, Kai

Sample preparation for matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) of DNA is critical for obtaining high quality mass spectra. Sample impurity, solvent content,...

Mass spectrometry of single-stranded restriction fragments captured by an undigested complementary sequence (2000)

Chiu, Norman H. L., Tang, Kai, Yip, Ping, Braun, Andreas, Koster, Hubert, Cantor, Charles R.

In this report, we describe a simple and accurate method to analyze restriction fragments using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The two complementary...

The Role of Valence-Band Excitation in Laser Ablation of KCl. (1998)

Tang, Kai, Bunton, Patrick H., Wang, Ling-Jun

We present recent measurements of excited-atom and ion emission from KCl surfaces illuminated by vacuum-ultraviolet synchrotron radiation (hv = 8-28 eV) and ultraviolet laser light (hv = 4 eV). At...

On Computing Contact Configurations of a Curved Chain (1998)

Kai Tang

Given a simple generalized polygon A of line segments and arcs that is free to move and rotate and an oriented monotone chain B composed of smooth parametric curved edges, the positions and...

Matrix-assisted laser desorption/ionization mass spectrometry of immobilized duplex DNA probes (1995)

Tang, Kai, Fu, Dongjing, Kötter, Sven, Cotter, Robert J., Cantor, Charles R., Köster, Hubert

Matrix-assisted laser desorption/ionizatlon (MALDI) tlme-of-flight (TOF) mass spectrometry was used to analyze short DNA duplex probes with one strand immobilized on solid supports...

Scallop hull and its offset (1994)

Chou, Shuo-Yan, Woo, Tony C., Chen, Lin-Lin, Tang, Kai, Shin, Sung Yong

A linear-time algorithm that computes the envelope of the offset of a monotone chain is presented. The scallop hull, an extended notion of the convex hull, of the monotone chain is first computed by...

Rectangle layout optimization (1990)

Tang, Kai

http://deepblue.lib.umich.edu/bitstream/2027.42/7879/5/bam0412.0001.001.pdf

Algorithmic aspects of alternating sum of volumes ; Part II: Non-convergence and its remedy. (1990)

Tang, Kai

http://deepblue.lib.umich.edu/bitstream/2027.42/7881/5/bam0413.0002.001.pdf

Algorithmic aspects of alternating sum of volumes ; Part I: Data structure and difference operation. (1990)

Tang, Kai

http://deepblue.lib.umich.edu/bitstream/2027.42/7880/5/bam0413.0001.001.pdf

CONGRUENT PARTITION AND CERTAIN COMPUTATIONAL GEOMETRY PROBLEMS (EXTREMAL THREADING, VISIBLE SCENE, SHORTEST PATH). (1990)

TANG, KAI

Many problems of computational geometry are inherently found within continuous or infinite domains. The so called convex skull problem, for example, is concerned with finding the largest convex...

On the intersection of a set of direction cones (1989)

Tang, Kai

A new method is suggested to compute the intersection of a set of direction cones encountered in the problem of passing a convex polyhedron through a window. The time requirement of this method is...

Maximum intersection of spherical polygons and workpiece orientation for 4- and 5-axis machining (1989)

Tang, Kai

http://deepblue.lib.umich.edu/bitstream/2027.42/7882/5/bam0414.0001.001.pdf

E.: “A Summary of (1968)

Kai Tang

Algebraic grid generation on trimmed parametric surface using non-self-overlapping planar Coons patch

Chip-based genotyping by mass spectrometry

Tang, Kai, Fu, Dong-Jing, Julien, Dominique, Braun, Andreas, Cantor, Charles R., Köster, Hubert

Silicon chips with immobilized target DNAs were used for accurate genotyping by mass spectrometry. Genomic DNAs were amplified with PCR, and the amplified products were covalently attached to chip...

DNA sequencing and genotyping by transcriptional synthesis of chain-terminated RNA ladders and MALDI-TOF mass spectrometry

Kwon, Young-Soo, Tang, Kai, Cantor, Charles R., Köster, Hubert, Kang, Changwon

Sets of RNA ladders can be synthesized by transcription of a bacteriophage-encoded RNA polymerase using 3′-deoxynucleotides as chain terminators. These ladders can be used for sequencing of DNA....

Sugar additives for MALDI matrices improve signal allowing the smallest nucleotide change (A:T) in a DNA sequence to be resolved

Shahgholi, Mona, Garcia, Benjamin A., Chiu, Norman H. L., Heaney, Paul J., Tang, Kai

Sample preparation for matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) of DNA is critical for obtaining high quality mass spectra. Sample impurity, solvent content,...

Mass spectrometry of single-stranded restriction fragments captured by an undigested complementary sequence

Chiu, Norman H. L., Tang, Kai, Yip, Ping, Braun, Andreas, Koster, Hubert, Cantor, Charles R.

In this report, we describe a simple and accurate method to analyze restriction fragments using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The two complementary...

Chip-based genotyping by mass spectrometry

Tang, Kai, Fu, Dong-Jing, Julien, Dominique, Braun, Andreas, Cantor, Charles R., Köster, Hubert

Silicon chips with immobilized target DNAs were used for accurate genotyping by mass spectrometry. Genomic DNAs were amplified with PCR, and the amplified products were covalently attached to chip...

DNA sequencing and genotyping by transcriptional synthesis of chain-terminated RNA ladders and MALDI-TOF mass spectrometry

Kwon, Young-Soo, Tang, Kai, Cantor, Charles R., Köster, Hubert, Kang, Changwon

Sets of RNA ladders can be synthesized by transcription of a bacteriophage-encoded RNA polymerase using 3′-deoxynucleotides as chain terminators. These ladders can be used for sequencing of DNA....

Sugar additives for MALDI matrices improve signal allowing the smallest nucleotide change (A:T) in a DNA sequence to be resolved

Shahgholi, Mona, Garcia, Benjamin A., Chiu, Norman H. L., Heaney, Paul J., Tang, Kai

Sample preparation for matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) of DNA is critical for obtaining high quality mass spectra. Sample impurity, solvent content,...

Mass spectrometry of single-stranded restriction fragments captured by an undigested complementary sequence

Chiu, Norman H. L., Tang, Kai, Yip, Ping, Braun, Andreas, Koster, Hubert, Cantor, Charles R.

In this report, we describe a simple and accurate method to analyze restriction fragments using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The two complementary...

Combined MMSE Interference Suppression and Turbo Coding for a Coherent DS-CDMA System

Kai Tang, Laurence B. Milstein, Paul H. Siegel

The performance of a turbo-coded CDMA system with a MMSE receiver for interference suppression is analyzed on a Rayleigh fading channel. In order to accurately estimate the performance of turbo...