Anil Ufuk Batmaz

90 papers A* 26B 9Journal 23Unranked 28

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	Effects of Visual Depth on Vergence-Accommodation Conflict in Gaze- and Controller-Based Selection in Virtual Reality. CHI Extended Abstracts Mohammad Raihanul Bashar, Mohammadreza Amini, Aunnoy K. Mutasim, Mayra Donaji Barrera Machuca, Wolfgang Stuerzlinger, Anil Ufuk Batmaz
2026	A*	`conf`	Eyes on Many: Evaluating Gaze, Hand, and Voice for Multi-Object Selection in Extended Reality. CHI Mohammad Raihanul Bashar, Aunnoy K. Mutasim, Ken Pfeuffer, Anil Ufuk Batmaz
2026	J	`jnl`	Eyes on Many: Evaluating Gaze, Hand, and Voice for Multi-Object Selection in Extended Reality. CoRR Mohammad Raihanul Bashar, Aunnoy K. Mutasim, Ken Pfeuffer, Anil Ufuk Batmaz
2026	A*	`conf`	Improving the Steering Law Throughput Calculation by Defining Effective Parameters for 3D Virtual Environments. CHI Mohammadreza Amini, Wolfgang Stuerzlinger, Shota Yamanaka, Hai-Ning Liang, Anil Ufuk Batmaz
2026	J	`jnl`	Reevaluating the Gaze Cursor in Virtual Reality: A Comparative Analysis of Cursor Visibility, Confirmation Mechanisms, and Task Paradigms. IEEE Trans. Vis. Comput. Graph. Yushi Wei, Rongkai Shi, Sen Zhang, Anil Ufuk Batmaz, Pan Hui, Hai-Ning Liang
2026	J	`jnl`	Shades of Uncertainty: How AI Uncertainty Visualizations Affect Trust in Alzheimer's Predictions. CoRR Jonatan Reyes, Mina Massoumi, Anil Ufuk Batmaz, Marta Kersten-Oertel
2026	J	`jnl`	Varifocal Displays Reduce the Impact of the Vergence-Accommodation Conflict on 3D Pointing Performance in Augmented Reality Systems. CoRR Xiaodan Hu, Monica Perusquía-Hernández, Mayra Donaji Barrera Machuca, Anil Ufuk Batmaz, Yan Zhang, Wolfgang Stuerzlinger, Kiyoshi Kiyokawa
2026	A*	`conf`	VoiceRay: 3D Object Selection Technique for Occluded and Dense Environments in Virtual Reality. CHI Rumeysa Türkmen, Zahra Rasoulifar, Anil Ufuk Batmaz
2025	A*	`conf`	A Systematic Review of Fitts' Law in 3D Extended Reality. CHI Mohammadreza Amini, Wolfgang Stuerzlinger, Robert J. Teather, Anil Ufuk Batmaz
2025	—	`conf`	A Virtual Reality OptoKinetic Drum. SUI Amaan Ranapurwala, Jialin Zhang, Prashant Rawat, Rina R. Wehbe, Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca
2025	A*	`conf`	Adaptive Hand Visibility for Accurate 3D User Interactions in Virtual Environments. ISMAR Rumeysa Türkmen, Laurent Voisard, Marta Kersten-Oertel, Anil Ufuk Batmaz
2025	J	`jnl`	An Early Warning System Based on Visual Feedback for Light-Based Hand Tracking Failures in VR Head-Mounted Displays. IEEE Trans. Vis. Comput. Graph. Mohammad Raihanul Bashar, Anil Ufuk Batmaz
2025	—	`conf`	Depth3DSketch: Freehand Sketching Out of Arm's Reach in Virtual Reality. CHI Extended Abstracts Mohammad Raihanul Bashar, Mohammadreza Amini, Wolfgang Stuerzlinger, Mine Sarac, Ken Pfeuffer, Mayra Donaji Barrera Machuca, Anil Ufuk Batmaz
2025	A*	`conf`	Don't Miss Notifications: Exploring Gaze Notifications for Virtual Reality Cooking Environment. ISMAR Rumeysa Türkmen, Francisco R. Ortega, Anil Ufuk Batmaz
2025	J	`jnl`	Evaluating and Modeling the Effect of Frame Rate on Steering Performance in Virtual Reality. IEEE Trans. Vis. Comput. Graph. Yushi Wei, Rongkai Shi, Anil Ufuk Batmaz, Yue Li, Mengjie Huang, Rui Yang, Hai-Ning Liang
2025	J	`jnl`	Gaze Analysis in Early Warning Visual Feedback System for Hand Tracking Failures in Virtual Reality. IEEE Access Mucahit Gemici, Amal Hatira, Vrushank Phadnis, Anil Ufuk Batmaz
2025	J	`jnl`	Haptic-Assisted Soldering Training Protocol in Virtual Reality: The Impact of Scaffolded Guidance. IEEE Trans. Haptics Mehmet Yilmaz, Anil Ufuk Batmaz, Mine Sarac
2025	—	`conf`	Landing Windows Method as Soft Visual Constraints for Mid-Air Interactions. SUI Dom Doesburg, Mucahit Gemici, Anil Ufuk Batmaz
2025	B	`ed.`	Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology, VRST 2025, Montreal, QC, Canada, November 12-14, 2025 VRST Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca, Francisco Ortega, Daniel Zielasko, Kangsoo Kim, Rick Skarbez, Lucas Plabst, Amy Banic, Mine Stroppa
2025	—	`ed.`	Proceedings of the 2025 ACM Symposium on Spatial User Interaction, SUI 2025, Montreal, QC, Canada, November 10-11, 2025 SUI Anil Ufuk Batmaz, Robert J. Teather, Derek Reilly, Huyen Nguyen, Monica Perusquía-Hernández, Alvaro Quevedo
2025	A*	`conf`	Repurposing Audio Playback Tools to Test Human Localization with 6DoF Sound. UIST Daniel Rehberg, Adam S. Williams, Anil Ufuk Batmaz, Francisco R. Ortega
2025	—	`conf`	The Importance of Performance Feedback in Virtual Reality (VR) Training: A Table Tennis Coach Perspective. CHI Extended Abstracts Kissinger Sunday, Soraya S. Anvari, Yiwei Li, Junwei Sun, Rina R. Wehbe, Heather Neyedli, Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca
2025	J	`jnl`	The Influence of Eye Gaze Interaction Technique Expertise and the Guided Evaluation Method on Text Entry Performance Evaluations. Proc. ACM Hum. Comput. Interact. Aunnoy K. Mutasim, Anil Ufuk Batmaz, Moaaz Hudhud Mughrabi, Wolfgang Stuerzlinger
2025	J	`jnl`	The effect of visual depth on the vergence-accommodation conflict on 3D selection performance within virtual reality headsets. Vis. Comput. Mohammad Raihanul Bashar, Mayra Donaji Barrera Machuca, Wolfgang Stuerzlinger, Anil Ufuk Batmaz
2025	A*	`conf`	There Is More to Dwell Than Meets the Eye: Toward Better Gaze-Based Text Entry Systems With Multi-Threshold Dwell. CHI Aunnoy K. Mutasim, Mohammad Raihanul Bashar, Christof Lutteroth, Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2025	J	`jnl`	Trusting AI: does uncertainty visualization affect decision-making? Frontiers Comput. Sci. Jonatan Reyes, Anil Ufuk Batmaz, Marta Kersten-Oertel
2025	B	`conf`	Tunnels vs. Wires: A Comparative Analysis of Two 3D Steering Tasks in Virtual Environments. VRST Mohammadreza Amini, Wolfgang Stuerzlinger, Shota Yamanaka, Hai-Ning Liang, Anil Ufuk Batmaz
2025	—	`conf`	Workshop on Novel Input Devices and Interaction Techniques 2025. VR Workshops Mayra Donaji Barrera Machuca, Prashant Rawat, Kristen Grinyer, Anil Ufuk Batmaz, Amy Catherine Banic, Francisco R. Ortega, Robert J. Teather, Wolfgang Stuerzlinger
2024	A*	`conf`	An Artists' Perspectives on Natural Interactions for Virtual Reality 3D Sketching. CHI Richard Rodriguez, Brian T. Sullivan, Mayra Donaji Barrera Machuca, Anil Ufuk Batmaz, Cyane Tornatzky, Francisco R. Ortega
2024	A*	`conf`	Better Definition and Calculation of Throughput and Effective Parameters for Steering to Account for Subjective Speed-accuracy Tradeoffs. CHI Nobuhito Kasahara, Yosuke Oba, Shota Yamanaka, Anil Ufuk Batmaz, Wolfgang Stuerzlinger, Homei Miyashita
2024	J	`jnl`	Beyond the Wizard of Oz: Negative Effects of Imperfect Machine Learning to Examine the Impact of Reliability of Augmented Reality Cues on Visual Search Performance. IEEE Trans. Vis. Comput. Graph. Aditya Raikwar, Domenick M. Mifsud, Christopher D. Wickens, Anil Ufuk Batmaz, Amelia C. Warden, Brendan Kelley, Benjamin A. Clegg, Francisco R. Ortega
2024	A*	`conf`	Effect of Hand and Object Visibility in Navigational Tasks Based on Rotational and Translational Movements in Virtual Reality. VR Amal Hatira, Zeynep Ecem Gelmez, Anil Ufuk Batmaz, Mine Sarac
2024	A*	`conf`	Enhancing Eye-Hand Coordination in Volleyball Players: A Comparative Analysis of VR, AR, and 2D Display Technologies and Task Instructions. ISMAR Nour Hatira, Aliza Aliza, Anil Ufuk Batmaz, Mine Sarac
2024	A*	`conf`	Eye-Hand Coordination Training: A Systematic Comparison of 2D, VR, and AR Display Technologies and Task Instructions. VR Aliza Aliza, Irene Zaugg, Elif Celik, Wolfgang Stuerzlinger, Francisco Raul Ortega, Anil Ufuk Batmaz, Mine Sarac
2024	A*	`conf`	EyeGuide & EyeConGuide: Gaze-based Visual Guides to Improve 3D Sketching Systems. CHI Rumeysa Türkmen, Zeynep Ecem Gelmez, Anil Ufuk Batmaz, Wolfgang Stuerzlinger, Paul Asente, Mine Sarac, Ken Pfeuffer, Mayra Donaji Barrera Machuca
2024	—	`conf`	I Did Not Notice: A Comparison of Immersive Analytics with Augmented and Virtual Reality. CHI Extended Abstracts Xiaoyan Zhou, Anil Ufuk Batmaz, Adam Sinclair Williams, Dylan Schreiber, Francisco R. Ortega
2024	J	`jnl`	I Did Not Notice: A Comparison of Immersive Analytics with Augmented and Virtual Reality. CoRR Xiaoyan Zhou, Anil Ufuk Batmaz, Adam S. Williams, Dylan Schreiber, Francisco R. Ortega
2024	J	`jnl`	Lights, Headset, Tablet, Action: Exploring the Use of Hybrid User Interfaces for Immersive Situated Analytics. Proc. ACM Hum. Comput. Interact. Xiaoyan Zhou, Benjamin Lee, Francisco R. Ortega, Anil Ufuk Batmaz, Yalong Yang
2024	A*	`conf`	Object Speed Control with a Signed Distance Field for Distant Mid-Air Object Manipulation in Virtual Reality. ISMAR Mucahit Gemici, Wolfgang Stuerzlinger, Anil Ufuk Batmaz
2024	A*	`conf`	Ping! Your Food is Ready: Comparing Different Notification Techniques in 3D AR Cooking Environment. ISMAR Aditya Raikwar, Lucas Plabst, Anil Ufuk Batmaz, Florian Niebling, Francisco R. Ortega
2024	J	`jnl`	Ping! Your Food is Ready: Comparing Different Notification Techniques in 3D AR Cooking Environment. CoRR Aditya Raikwar, Lucas Plabst, Anil Ufuk Batmaz, Florian Niebling, Francisco R. Ortega
2024	A*	`conf`	Pinging Between Worlds: Training Table Tennis Novice Players in Real Environment for Virtual Reality Competitions. ISMAR Kissinger Sunday, Yiwei Li, Junwei Sun, Rina R. Wehbe, Heather Neyedli, Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca
2024	—	`conf`	Subtask-Based Virtual Hand Visualization Method for Enhanced User Accuracy in Virtual Reality Environments. VR Workshops Laurent Voisard, Amal Hatira, Mohammad Raihanul Bashar, Mucahit Gemici, Mine Sarac, Marta Kersten-Oertel, Anil Ufuk Batmaz
2024	J	`jnl`	The Guided Evaluation Method: An easier way to empirically estimate trained user performance for unfamiliar keyboard layouts. Int. J. Hum. Comput. Stud. Aunnoy K. Mutasim, Anil Ufuk Batmaz, Moaaz Hudhud Mughrabi, Wolfgang Stuerzlinger
2024	B	`conf`	Virtual Task Environments Factors Explored in 3D Selection Studies. Graphics Interface Mohammad Raihanul Bashar, Anil Ufuk Batmaz
2023	—	`conf`	"I consider VR Table Tennis to be my secret weapon!": An Analysis of the VR Table Tennis Players' Experiences Outside the Lab. SUI Eren Karatas, Kissinger Sunday, Sude Erva Apak, Yiwei Li, Junwei Sun, Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca
2023	—	`conf`	A Pilot Study Comparing User Interactions Between Augmented and Virtual Reality. ISVC (2) Adam S. Williams, Xiaoyan Zhou, Anil Ufuk Batmaz, Michel Pahud, Francisco R. Ortega
2023	—	`conf`	Data-driven Storytelling in Hybrid Immersive Display Environments. ISMAR-Adjunct Xiaoyan Zhou, Yalong Yang, Francisco R. Ortega, Anil Ufuk Batmaz, Benjamin Lee
2023	J	`jnl`	Data-driven Storytelling in Hybrid Immersive Display Environments. CoRR Xiaoyan Zhou, Yalong Yang, Francisco R. Ortega, Anil Ufuk Batmaz, Benjamin Lee
2023	—	`conf`	Does Repeatedly Typing the Same Phrase Provide a Good Estimate of Expert Text Entry Performance? CHI Extended Abstracts Aunnoy K. Mutasim, Anil Ufuk Batmaz, Moaaz Hudhud Mughrabi, Wolfgang Stuerzlinger
2023	A*	`conf`	Effect of Grip Style on Peripersonal Target Pointing in VR Head Mounted Displays. ISMAR Anil Ufuk Batmaz, Rumeysa Türkmen, Mine Sarac, Mayra Donaji Barrera Machuca, Wolfgang Stuerzlinger
2023	A*	`conf`	Effects of Opaque, Transparent and Invisible Hand Visualization Styles on Motor Dexterity in a Virtual Reality Based Purdue Pegboard Test. ISMAR Laurent Voisard, Amal Hatira, Mine Sarac, Marta Kersten-Oertel, Anil Ufuk Batmaz
2023	—	`conf`	Emergent Individual Factors for AR Education and Training. ISVC (2) Brendan Kelley, Anil Ufuk Batmaz, Michael Humphrey, Cyane Tornatzky, Rosa Martey, Francisco R. Ortega
2023	J	`jnl`	Evaluation of an Immersive COVID-19 Data Visualization. IEEE Computer Graphics and Applications Furkan Kaya, Elif Celik, Anil Ufuk Batmaz, Aunnoy K. Mutasim, Wolfgang Stuerzlinger
2023	A*	`conf`	Measuring the Effect of Stereo Deficiencies on Peripersonal Space Pointing. VR Anil Ufuk Batmaz, Moaaz Hudhud Mughrabi, Mine Sarac, Mayra Donaji Barrera Machuca, Wolfgang Stuerzlinger
2023	—	`conf`	On The Effectiveness of Virtual Eye-Hand Coordination Training With Head Mounted Displays. VR Workshops Moaaz Hudhud Mughrabi, Furkan Kaya, Anil Ufuk Batmaz, Aliza Aliza, Wolfgang Stuerzlinger, Baris Borazan, Emir Tonyali, Mine Sarac
2023	B	`conf`	Re-investigating the Effect of the Vergence-Accommodation Conflict on 3D Pointing. VRST Anil Ufuk Batmaz, Rumeysa Türkmen, Mine Sarac, Mayra Donaji Barrera Machuca, Wolfgang Stuerzlinger
2023	—	`ch.`	Rotational and Positional Jitter in Virtual Reality Interaction in Everyday VR. Everyday Virtual and Augmented Reality Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2023	—	`conf`	The Impact of Haptic Feedback During Sudden, Rapid Virtual Interactions. WHC Nizamettin T. Tanacar, Moaaz Hudhud Mughrabi, Anil Ufuk Batmaz, Daniele Leonardis, Mine Sarac
2023	—	`conf`	Where We Stand and Where to Go: Building Bridges Between Real and Virtual Worlds for Collaboration. ISMAR-Adjunct Joshua Pardillo Castillo, Seina Assadian, Anil Ufuk Batmaz
2022	B	`conf`	Effect of Stereo Deficiencies on Virtual Distal Pointing. VRST Anil Ufuk Batmaz, Moaaz Hudhud Mughrabi, Mayra Donaji Barrera Machuca, Wolfgang Stuerzlinger
2022	J	`jnl`	Effective Throughput Analysis of Different Task Execution Strategies for Mid-Air Fitts' Tasks in Virtual Reality. IEEE Trans. Vis. Comput. Graph. Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2022	—	`conf`	Exploring Discrete Drawing Guides to Assist Users in Accurate Mid-air Sketching in VR. CHI Extended Abstracts Rumeysa Türkmen, Ken Pfeuffer, Mayra Donaji Barrera Machuca, Anil Ufuk Batmaz, Hans Gellersen
2022	—	`conf`	Improving Effective Throughput Performance using Auditory Feedback in Virtual Reality. SUI Anil Ufuk Batmaz, Kangyou Yu, Hai-Ning Liang, Wolfgang Stuerzlinger
2022	—	`conf`	My Eyes Hurt: Effects of Jitter in 3D Gaze Tracking. VR Workshops Moaaz Hudhud Mughrabi, Aunnoy K. Mutasim, Wolfgang Stuerzlinger, Anil Ufuk Batmaz
2022	B	`conf`	Performance Analysis of Saccades for Primary and Confirmatory Target Selection. VRST Aunnoy K. Mutasim, Anil Ufuk Batmaz, Moaaz Hudhud Mughrabi, Wolfgang Stuerzlinger
2022	—	`ed.`	Symposium on Spatial User Interaction, SUI 2022, Online, CA, USA, December 1-2, 2022 SUI Misha Sra, Francisco R. Ortega, Thammathip Piumsomboon, Benjamin Weyers, Tabitha C. Peck, Mayra Barrera, Anil Ufuk Batmaz, Parinya Punpongsanon
2022	A*	`conf`	The Effect of the Vergence-Accommodation Conflict on Virtual Hand Pointing in Immersive Displays. CHI Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca, Junwei Sun, Wolfgang Stuerzlinger
2021	—	`conf`	Effects of Different Auditory Feedback Frequencies in Virtual Reality 3D Pointing Tasks. VR Workshops Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2021	—	`conf`	Pinch, Click, or Dwell: Comparing Different Selection Techniques for Eye-Gaze-Based Pointing in Virtual Reality. ETRA Short Papers Aunnoy K. Mutasim, Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2021	—	`ed.`	SUI '21: Symposium on Spatial User Interaction, Virtual Event, USA, November 9-10, 2021 SUI Francisco R. Ortega, Robert J. Teather, Gerd Bruder, Thammathip Piumsomboon, Benjamin Weyers, Anil Ufuk Batmaz, Kyle Johnsen, Christoph W. Borst
2021	A*	`conf`	The Effect of Pitch in Auditory Error Feedback for Fitts' Tasks in Virtual Reality Training Systems. VR Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2020	—	`conf`	Effect of Fixed and Infinite Ray Length on Distal 3D Pointing in Virtual Reality. CHI Extended Abstracts Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2020	J	`jnl`	Evaluating immersive experiences during Covid-19 and beyond. Interactions Anthony Steed, Francisco R. Ortega, Adam S. Williams, Ernst Kruijff, Wolfgang Stuerzlinger, Anil Ufuk Batmaz, Andrea Stevenson Won, Evan Suma Rosenberg, Adalberto L. Simeone, Aleshia T. Hayes
2020	B	`conf`	Eye-Hand Coordination Training for Sports with Mid-air VR. VRST Anil Ufuk Batmaz, Xintian Sun, Dogu Taskiran, Wolfgang Stuerzlinger
2020	—	`conf`	Gaze Tracking for Eye-Hand Coordination Training Systems in Virtual Reality. CHI Extended Abstracts Aunnoy K. Mutasim, Wolfgang Stuerzlinger, Anil Ufuk Batmaz
2020	—	`conf`	Precision vs. Power Grip: A Comparison of Pen Grip Styles for Selection in Virtual Reality. VR Workshops Anil Ufuk Batmaz, Aunnoy K. Mutasim, Wolfgang Stuerzlinger
2020	A*	`conf`	Touch the Wall: Comparison of Virtual and Augmented Reality with Conventional 2D Screen Eye-Hand Coordination Training Systems. VR Anil Ufuk Batmaz, Aunnoy K. Mutasim, Morteza Malekmakan, Elham Sadr, Wolfgang Stuerzlinger
2020	B	`ed.`	VRST '20: 26th ACM Symposium on Virtual Reality Software and Technology, Virtual Event, Canada, November 1-4, 2020 VRST Robert J. Teather, Chris Joslin, Wolfgang Stuerzlinger, Pablo A. Figueroa, Yaoping Hu, Anil Ufuk Batmaz, Wonsook Lee, Francisco R. Ortega
2019	A*	`conf`	Do Head-Mounted Display Stereo Deficiencies Affect 3D Pointing Tasks in AR and VR? VR Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca, Duc-Minh Pham, Wolfgang Stuerzlinger
2019	A*	`conf`	Effects of 3D Rotational Jitter and Selection Methods on 3D Pointing Tasks. VR Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2019	B	`conf`	Hitting the Wall: Mid-Air Interaction for Eye-Hand Coordination. VRST Anil Ufuk Batmaz, Xintian Sun, Dogu Taskiran, Wolfgang Stuerzlinger
2019	—	`conf`	The Effect of Rotational Jitter on 3D Pointing Tasks. CHI Extended Abstracts Anil Ufuk Batmaz, Wolfgang Stuerzlinger
2018	J	`jnl`	Effects of 2D and 3D image views on hand movement trajectories in the surgeons peripersonal space in a computer controlled simulator environment. CoRR Anil Ufuk Batmaz, Michel de Mathelin, Birgitta Dresp-Langley
2018	A*	`conf`	Effects of Image Size and Structural Complexity on Time and Precision of Hand Movements in Head Mounted Virtual Reality. VR Anil Ufuk Batmaz, Michel de Mathelin, Birgitta Dresp-Langley
2018	J	`jnl`	Getting nowhere fast: trade-off between speed and precision in training to execute image-guided hand-tool movements. CoRR Anil Ufuk Batmaz, Michel de Mathelin, Birgitta Dresp-Langley
2018	J	`jnl`	Seeing virtual while acting real: Visual display and strategy effects on the time and precision of eye-hand coordination. CoRR Anil Ufuk Batmaz, Michel de Mathelin, Birgitta Dresp-Langley
2013	—	`conf`	Effects of handshake hop length of unidirectional links on the lifetime of wireless sensor networks. SIU Anil Ufuk Batmaz, Bülent Tavli, Davut Incebacak, Kemal Bicakci
2013	—	`conf`	Improving quadrotor 3-axes stabilization results using empirical results and system identification. ASCC Ovunc Elbir, Anil Ufuk Batmaz, Cosku Kasnakoglu
2013	—	`conf`	The impact of link unidirectionality and reverse path length on wireless sensor network lifetime. ICC Anil Ufuk Batmaz, Bülent Tavli, Davut Incebacak, Kemal Bicakci