In which year did the author join UC San Diego?
2016
Henrik I. Christensen is the author of Samarth Brahmbhatt et al.: Using Simulation to Assess the Effectiveness of Pallet Stacking Methods. (2017) authored by Henrik I. Christensen. Danica Kragic and Henrik I. Christensen: Tracking Techniques for Visual Servoing Tasks. (2000) authored by Henrik I. Christensen. Henrik I. Christensen is the author of CLiNet: Joint Detection of Road Network Centerlines in 2D and 3D. (2010). Henrik I. Christensen is also the author of Danica Kragic and Henrik I. Christensen: Model based techniques for robotic servoing and grasping. Dagstuhl Castle, Germany, October 15-20, 2000. Selected Revised Papers (2002) edited by Henrik I. Christensen. Ana C. Huamán Quispe et al.: Exploiting symmetries and extrusions for 3-D objects. (1994) authored by Henrik I. Christensen. Samarth Brahmbhatt et al.: Occlusion-Aware Object Localization, Segmentation and Pose Estimation. (2015) authored by Henrik I. Christensen. Ning Xiong et al.: Reactive Tun Henrik I. Christensen is the author of Anwesan Pal et al.: Diverse scEne Detection methods in Unseen Challenging Environments. (2019) authored by Henrik I. Christensen. Patric Jensfelt et al.: Exploiting Distinguishable Image Features in Robotic Mapping and Localization. (1998) authored by Henrik I. Christensen. Ville Ky Henrik I. Christensen is the author of Jiaming Hu et al.: Multi-Modal Planning on Regrasping for Stable Manipulation. (1923) authored by Henrik I. Christensen. Ville Kyrki et al.: New shortest-path approaches to visual servoing. (2004) authored by Henrik I. Christensen. Changhyun Choi and Henrik I. Christensen: Robus Henrik I. Christensen et al.: Sensor Based Intelligent Robots, International Workshop, Dagstuhl Castle, Germany, September 28 - October 2, 1998, Selected Papers (1999) edited by Henrik I. Christensen. Charles Pippin and Henrik Iskov Christensen: Learning Task Performance in Market-Based Task Allocation. (2004) authored by Henrik I. Christensen. Henrik I. Christensen: Object Detection using Background Context. (2004) authored by Ola Ramström and Henrik I. Christensen. Jiaming Hu et al.: Pose Estimation of Specular and Symmetrical Objects. (2010) authored by Henrik I. Christensen.
[INST]
Utilize the provided context information, to generate answers to the following question: 
- Generate the answer to the question based on the provided context.
- Avoid including any explanations or apologies in your responses.
- Only respond to questions that ask for the answer to the target question without any additional information.
- Strictly provide the answer without any additional text.
Question: In which year did the author join UC San Diego?
Context: Henrik I. Christensen is the author of Samarth Brahmbhatt et al.: Using Simulation to Assess the Effectiveness of Pallet Stacking Methods. (2017) authored by Henrik I. Christensen. Danica Kragic and Henrik I. Christensen: Tracking Techniques for Visual Servoing Tasks. (2000) authored by Henrik I. Christensen. Henrik I. Christensen is the author of CLiNet: Joint Detection of Road Network Centerlines in 2D and 3D. (2010). Henrik I. Christensen is also the author of Danica Kragic and Henrik I. Christensen: Model based techniques for robotic servoing and grasping. Dagstuhl Castle, Germany, October 15-20, 2000. Selected Revised Papers (2002) edited by Henrik I. Christensen. Ana C. Huamán Quispe et al.: Exploiting symmetries and extrusions for 3-D objects. (1994) authored by Henrik I. Christensen. Samarth Brahmbhatt et al.: Occlusion-Aware Object Localization, Segmentation and Pose Estimation. (2015) authored by Henrik I. Christensen. Ning Xiong et al.: Reactive Tun Henrik I. Christensen is the author of Anwesan Pal et al.: Diverse scEne Detection methods in Unseen Challenging Environments. (2019) authored by Henrik I. Christensen. Patric Jensfelt et al.: Exploiting Distinguishable Image Features in Robotic Mapping and Localization. (1998) authored by Henrik I. Christensen. Ville Ky Henrik I. Christensen is the author of Jiaming Hu et al.: Multi-Modal Planning on Regrasping for Stable Manipulation. (1923) authored by Henrik I. Christensen. Ville Kyrki et al.: New shortest-path approaches to visual servoing. (2004) authored by Henrik I. Christensen. Changhyun Choi and Henrik I. Christensen: Robus Henrik I. Christensen et al.: Sensor Based Intelligent Robots, International Workshop, Dagstuhl Castle, Germany, September 28 - October 2, 1998, Selected Papers (1999) edited by Henrik I. Christensen. Charles Pippin and Henrik Iskov Christensen: Learning Task Performance in Market-Based Task Allocation. (2004) authored by Henrik I. Christensen. Henrik I. Christensen: Object Detection using Background Context. (2004) authored by Ola Ramström and Henrik I. Christensen. Jiaming Hu et al.: Pose Estimation of Specular and Symmetrical Objects. (2010) authored by Henrik I. Christensen.
[/INST] Answer:
