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Y. Li, T.H. Chang and C.Y. Chi, “Secure federated averaging algorithm with differential privacy,” in Proc. IEEE Workshop on Machine Learning for Signal Processing (MLSP), Aalto University, Espoo, Finland (virtual conference), Sep. 2124, 2020.

W.C. Zheng, C.H. Lin, K.H. Tseng, C.Y. Huang, T.H. Lin, C.H. Wang, and ChongYung Chi, “Unsupervised change detection in multitemporal multispectral satellite images: A convex relaxation approach,” in Proc. IEEE IGARSS, Yokohama, Japan, Jul. 28  Aug. 2, 2019.

A. Jalili, S. Sahami, ChongYung Chi, and R. Amirfattahi, “Speech emotion recognition using cyclostationary spectral analysis,” in Proc. IEEE MLSP, Aalborg, Denmark, Sept. 17–20, 2018.

G.X. Xu, C.H. Lin, W.G. Ma, and ChongYung Chi, “Outage constrained robust hybrid coordinated beamforming for massive MIMO enabled heterogeneous cellular networks,” in Proc. IEEE ICC, Paris, France, May. 2125, 2017.

G.X. Xu, Y.R. Syu, W.G. Ma, and ChongYung Chi, “A distributed robust transmit beamforming design for fullduplex relayaided wireless communication systems,” in Proc. IEEE ICASSP, New Orleans, USA, Mar. 59, 2017, pp. 36343638.

W.C. Li, H.S. Hsieh, and ChongYung Chi, “An online algorithm for throughput maximization of wireless powered communication networks,” in Proc. IEEE ICASSP, Shanghai, China, Mar. 2025, 2016, pp. 37313735.

W.K. Ma, C.H. Lin, W.C. Li, and ChongYung Chi, “When can the minimum volume enclosing simplex identify the endmembers correctly when there is no pure pixel?,” in Proc. IEEE WHISPERS, Tokyo, Japan, Jun 25, 2015.

C.H. Lin, ChongYung Chi, Y.H. Wang, and T.H. Chan, “A fast hyperplanebased MVES algorithm for hyperspectral unmixing,” in Proc. IEEE ICASSP, Brisbane, Australia, Apr. 1924, 2015, pp. 13841388.

W.C. Li, R.Y. Chang, K.Y. Wang, and ChongYung Chi, “Energyefficient precoding matrix design for relayaided multiuser downlink networks,” in Proc. IEEE ICASSP, Brisbane, Australia, Apr. 1924, 2015, pp. 30983102.

W.C. Li, T.H. Chang and ChongYung Chi, “On the complexity of SINR outage constrained maxminfairness multicell coordinated beamforming problem,” in Proc. IEEE ICASSP, Florence, Italy, May. 49, 2014, pp. 34843488.

K.Y. Wang, H. Wang, Z. Ding, and ChongYung Chi, “A lowcomplexity algorithm for worstcase utility maximization in multiuser MISO downlink,” in Proc. IEEE VTC, Las Vegas, USA, Sept. 25, 2013, pp. 15.

A. Ambikapathi, T.H. Chan, C.H. Lin, and ChongYung Chi, “Convex geometry based outlierinsensitive estimation of number of endmembers in hyperspectral images,” in Proc. 5th IEEE WHISPERS, Gainesville, USA, Jun. 2628, 2013, pp.12331236.

K.Y. Wang, N. Jacklin, Z. Ding, and ChongYung Chi, “Outage constrained transmission optimization for MISO twotier femtocell networks,” in Proc. IEEE ICC, Budapest, Hungary, Jun. 913, 2013, pp. 49954999.

C.H. Lin, A. Ambikapathi, W.C. Li, and ChongYung Chi, “On the endmember identifiability of Craig's criterion for hyperspectral unmixing: A statistical analysis for threesource case,” in Proc. IEEE ICASSP, Vancouver, Canada, May. 2631, 2013, pp.21392143.

W.C. Li, T.H. Chang, C. Lin, and ChongYung Chi, “Outage constrained weighted sum rate maximization for MISO interference channel by pricingbased optimization,” in Proc. IEEE ICASSP, Vancouver, Canada, May. 2631, 2013. pp.47994803.

C. Shen, T.H. Chang, K.Y. Wang, Z. Qiu, and ChongYung Chi, “Chanceconstrained robust beamforming for multicell coordinated downlink,” in Proc. IEEE GLOBECOM, Anaheim, USA, Dec. 37, 2012, pp. 49574962.

T.H. Chan, K. Jia, E. Wycoff, ChongYung Chi, and Y. Ma, “Towards optimal design of time and color multiplexing codes,” in Proc. European Conference on Computer Vision (ECCV), Florence, Italy, Oct. 713, 2012.

H.E. Huang, T.H. Chan, A. Ambikapathi, W.K. Ma, and ChongYung Chi, “Outlierrobust dimension reduction and its impact on hyperspectral endmember extraction,” in Proc. 4th IEEE WHISPERS, Shanghai, China, Jun. 47, 2012.

Y.S. Shen, T.H. Chan, S. Bourguignon, and ChongYung Chi, “Spatialspectral unmixing of hyperspectral data for detection and analysis of astrophysical sources with the muse instrument,” in Proc. 4th IEEE WHISPERS, Shanghai, China, Jun. 47, 2012.

A. Ambikapathi, T.H. Chan, K. Keizer, F.S. Yang, and ChongYung Chi, “An NBSS algorithm for pharmacokinetic analysis of prostate cancer using DCEMR images,” in Proc. 9th IEEE ISBI, Barcelona, Spain, May. 25, 2012, pp. 566569.

K.Y. Wang, T.H. Chang, W.K. Ma, and ChongYung Chi, “Optimal transmission strategy for outage rate maximization in MISO fading channels with training,” in Proc. IEEE ICASSP, Kyoto, Japan, Mar. 2530, 2012, pp. 29452948

A. Ambikapathi, T.H. Chan, and ChongYung Chi, “Convex geometry based estimation of number of endmembers in hyperspectral images,” in Proc. 2012 IEEE ICASSP, Kyoto, Japan, Mar 2530, 2012, pp. 12331236.

T.H. Chan, J.Y. Liou, A. Ambikapathi, W.K. Ma, and ChongYung Chi, “Fast algorithms for robust hyperspectral endmember extraction based on worstcase simplex volume maximization,” in Proc. IEEE ICASSP, Kyoto, Japan, Mar. 2530, 2012, pp. 12371240.

K.K. Lee, W.K. Ma, Y.L. Chiou, T.H. Chan, and ChongYung Chi, “Blind identification of mixtures of quasistationary sources using a KhatriRao subspace approach,” in Proc. 45th ACSSC, Pacific Glove, CA, USA, Nov. 69, 2011, pp. 21692173.

T.H. Chang, W.K. Ma, and ChongYung Chi, “Worstcase robust multiuser transmit beamforming using semidefinite relaxation: Duality and implications,” in Proc. 45th ACSSC, Pacific Glove, CA, USA, Nov. 69, 2011, pp. 15791583.

T.H. Chan, C.J. Song, A. Ambikapathi, ChongYung Chi, and W.K. Ma, “Fast alternating volume maximization algorithm for blind separation of nonnegative sources,” in Proc. IEEE MLSP, Santander, Spain, Sept. 1821, 2011, pp. 16.

T.H. Chan, W.K. Ma, A. Ambikapathi, and ChongYung Chi, “An optimization perspective on Winter's endmember extraction belief,” in Proc. IEEE IGARSS, Vancouver, Canada, Jul. 2429, 2011, pp. 11431146. (Invited paper)

T.H. Chan, W.K. Ma, A. Ambikapathi, and ChongYung Chi, “Robust endmember extraction using worstcase simplex volume maximization,” in Proc. 3rd IEEE WHISPERS, Lisbon, Portugal, Jun. 69, 2011, pp. 14. (This paper was awarded the “Best Paper Award” in WHISPERS2011.)

C. Shen, K.Y. Wang, T.H. Chang, Z. Qiu, and ChongYung Chi, “Worstcase SINR constrained robust coordinated beamforming for multicell wireless systems,” in Proc. IEEE ICC, Kyoto, Japan, Jun. 59, 2011.

T.H. Chang, W.C. Chiang, Y.W. P. Hong, and ChongYung Chi, “Joint training and beamforming design for performance discrimination using artificial noise,” in Proc. IEEE ICC, Kyoto, Japan, Jun. 59, 2011.

W.C. Li, T.H. Chang, C. Lin, and ChongYung Chi, “A convex approximation approach to weighted sum rate maximization of multiuser MISO interference channel under outage constraints,” in Proc. IEEE ICASSP, Prague, Czech Republic, May. 2227, 2011, pp. 33683371.

A. Ambikapathi, T.H. Chan, ChongYung Chi, and K. Keizer, “Two effective and computationally efficient purepixel based algorithms for hyperspectral endmember extraction,” in Proc. IEEE ICASSP, Prague, Czech Republic, May. 2227, 2011, pp. 13691372.

K.Y. Wang, T.H. Chang, W.K. Ma, A. M.C. So, and ChongYung Chi, “Probabilistic SINR constrained robust transmit beamforming: A Bernsteintype inequality based conservative approach,” in Proc. IEEE ICASSP, Prague, Czech Republic, May. 2227, 2011, pp. 30803083.