Valkov, D, Mantler, A, and Linsen, L. . “Haptic Prop: A Tangible Prop for Semi-passive Haptic Interaction.” in 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR) doi: 10.1109/VR.2019.8797718.
Valkov, D, and Linsen, L. . “Vibro-tactile Feedback for Real-world Awareness in Immersive Virtual Environments.” in 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR) doi: 10.1109/VR.2019.8798036.
Huesmann, K, Valkov, D, and Linsen, L. . “RealityAlert: Improving Users' Physical Safety in Immersive Virtual Environments.” in Proceedings of the Symposium on Spatial User Interaction, {SUI} 2018, Berlin, Germany, October 13-14, 2018 New York, NY: ACM Press. doi: 10.1145/3267782.3274769.
Huesmann, K., Valkov, D., and Linsen, L. . “Reality alert: Improving users' physical safety in immersive virtual environments.” in -, edited by -. New York, NY: ACM Press. doi: 10.1145/3267782.3274769.
Valkov, D, and Flagge, S. . “Smooth immersion: the benefits of making the transition to virtual environments a continuous process.” in Proceedings of the 5th Symposium on Spatial User Interaction, {SUI} 2017, Brighton, United Kingdom, October 16 - 17, 2017, edited by AL Simeone, K Johnsen, RJ Teather and C Sandor. New York, NY: ACM Press. doi: 10.1145/3131277.3132183.
Valkov, D, Martens, J, and Hinrichs, KH. . “Evaluation of the effect of a virtual avatar's representation on distance perception in immersive virtual environments.” contribution to the IEEE Virtual Reality (VR), Greenville, SC, USA doi: 10.1109/VR.2016.7504775.
Prä}torius, M, Burgbacher, U, Valkov, D, and Hinrichs, KH. . “Sensing Thumb-to-Finger Taps for Symbolic Input in {VR/AR} Environments.” {IEEE} Computer Graphics and Applications, № 35 (5): 42–54. doi: 10.1109/MCG.2015.106.
Prätorius, Manuel, Valkov, Dimitar, Burgbacher, Ulrich, and Hinrichs, Klaus. . “DigiTap: An Eyes-free VR/AR Symbolic Input Device.” in VRST '14New York, NY: ACM Press. doi: 10.1145/2671015.2671029.
Prätorius, M, Valkov, D, Burgbacher, U, and Hinrichs, KH. . “DigiTap: an eyes-free {VR/AR} symbolic input device.” in Proceedings of the 20th {ACM} Symposium on Virtual Reality Software and Technology, {VRST} 2014, Edinburgh, United Kingdom, November 11-13, 2014, edited by RWH Lau, D Manocha, T Komura, A Majumder and W Xu. New York, NY: ACM Press. doi: 10.1145/2671015.2671029.
Lubos, P, and Valkov, D. . “The significance of stereopsis and motion parallax in mobile head tracking environments.” in Proceedings of the 2nd {ACM} Symposium on Spatial User Interaction, {SUI} 2014, Honolulu, HI, USA, October 4-5, 2014, edited by A Wilson, F Steinicke, EA Suma and W Stuerzlinger. New York, NY: ACM Press. doi: 10.1145/2659766.2661220.
Giesler, Alexander, Valkov, Dimitar, and Hinrichs, Klaus. . “Void shadows: Multi-touch interaction with stereoscopic objects on the tabletop.” contribution to the 2nd ACM Symposium on Spatial User Interaction (SUI 14), Honolulu, Hawaii, USA doi: 10.1145/2659766.2659779.
Valkov, Dimitar, Giesler, Alexander, and Hinrichs, Klaus. . “Imperceptible depth shifts for touch interaction with stereoscopic objects.” contribution to the 32nd SIGCHI Conference on Human Factors in Computing Systems (CHI 2014), Toronto, Ontario, Canada doi: 10.1145/2556288.2557134.
Valkov, Dimitar, Mantler, Andreas, and Hinrichs, Klaus. . “Haptic props: Semi-actuated tangible props for haptic interaction on the surface.” contribution to the 26th annual ACM symposium on User interface software and technology (UIST 2013), St. Andrews, UK doi: 10.1145/2508468.2514736.
Valkov, D, Mantler, A, and Hinrichs, KH. . “Haptic props: semi-actuated tangible props for haptic interaction on the surface.” in The 26th Annual {ACM} Symposium on User Interface Software and Technology, UIST'13, St. Andrews, United Kingdom, October 8-11, 2013 - Adjunct Volume, edited by S Izadi, AJ Quigley, I Poupyrev and T Igarashi. New York, NY: ACM Press. doi: 10.1145/2508468.2514736.
Valkov, D. . “Multi-touch interaction with stereoscopically rendered 3D objects.” Dissertation thesis, University of Mü}nster, Germany.
Valkov, Dimitar, Giesler, Alexander, and Hinrichs, Klaus. . “VINS - Shared Memory Space for Definition of Interactive Techniques.” contribution to the 18th ACM Symposium on Virtual Reality Software and Technology (VRST 2012), Toronto, Canada doi: 10.1145/2407336.2407364.
Daiber, Florian, Valkov, Dimitar, Steinicke, Frank, Hinrichs, Klaus, and Krüger, Antonio. . “Towards Object Prediction based on Hand Postures for Reach to Grasp Interaction.” contribution to the ACM CHI Workshop on The 3rd Dimension of CHI: Touching and Designing 3D User Interfaces (3DCHI), Austin, Texas, USA
Valkov, Dimitar, Giesler, Alexander, and Hinrichs, Klaus. . “Evaluation of Depth Perception for Touch Interaction with Stereoscopic Rendered Objects.” contribution to the 2012 ACM International Conference on Interactive Tabletops and Surfaces (ITS '12), Cambridge, MA doi: 10.1145/2396636.2396640.
Valkov, D, Giesler, A, and Hinrichs, KH. . “{VINS:} shared memory space for definition of interactive techniques.” in The 18th {ACM} Symposium on Virtual Reality Software and Technology, {VRST} 2012, Toronto, ON, Canada - December 10-12, 2012, edited by M Green, W Stuerzlinger, ME Latoschik and B Kapralos. New York, NY: ACM Press. doi: 10.1145/2407336.2407364.
Valkov, D, Bolte, B, Bruder, G, and Steinicke, F. . “Viargo - A generic virtual reality interaction library.” in 5th Workshop on Software Engineering and Architectures for Realtime Interactive Systems, {SEARIS} 2012, Costa Mesa, CA, USA, March 5, 2012 New York City: Wiley-IEEE Computer Society Press. doi: 10.1109/SEARIS.2012.6231177.
Strothoff, Sven, Valkov, Dimitar, and Hinrichs, Klaus. . “Triangle Cursor: Interactions With Objects Above the Tabletop.” contribution to the ACM International Conference on Interactive Tabletops and Surfaces (ITS 2011), Kobe, Japan doi: 10.1145/2076354.2076377.
Valkov, DimitarSteinicke Frank, and Bruder, GerdHinrichs Klaus. . “2D Touching of 3D Stereoscopic Objects.” contribution to the SIGCHI Conference on Human Factors in Computing Systems (CHI '11), Vancouver, Canada
Valkov, DimitarSteinicke Frank, and Bruder, GerdHinrichs Klaus. . “A Multi-Touch enabled Human-Transporter Metaphor for Virtual 3D Traveling.” contribution to the IEEE Symposium on 3D User Interfaces (3DUI), Waltham (MA), USA
Bruder, Gerd, Steinicke, Frank, Valkov, Dimitar, and Hinrichs, Klaus. . “Immersive Virtual Studio for Architectural Exploration.” contribution to the IEEE Symposium on 3D User Interfaces (3DUI), Waltham (MA), USA
Valkov, D, Steinicke, F, Bruder, G, Hinrichs, KH, Schöning, J, Daiber, F, and Krüger, A. et al. . “Touching Floating Objects in Projection-based Virtual Reality Environments.” in Proceedings of Joint Virtual Reality Conference (JVRC 2010) Eindhoven: Eurographics Association.
Sch{ö}ning, J, Steinicke, F, Valkov, D, Kr{ü}ger, A, and Hinrichs, KH. . “Bimanual Interaction with Interscopic Multi-Touch Surfaces.”