Private:progress-hamza

Spring 2011 (RA)

• Courses: None

Mar 7

• Report: here
• Added more detailed description of the view synthesis process.
• Implemented the first phase of the process (forward warping) and the z-buffer competition resolution technique in C/C++. I tested it on the Breakdancers sequence from MSR.
• Working on profiling the code using OProfile to calculate the number of cycles required by the view synthesis process to derive preliminary estimates of power consumption.
• Implementing double warping and a hole filling technique to get a feeling of the final quality that can be obtained.
• Understanding homography matrices and how they are used to speed up the synthesis process.
• Working on deriving a formal analysis of the time complexity of the view synthesis process. The projection phase basically involves a number of matrix multiplications.

Feb 21

• Familiarizing myself with JSVM and its tools and options.
• Contacted the lab that developed the reference software for disparity estimation and view synthesis described in the MPEG technical reports. Still haven't received a reply.

Feb 14

• Reading about SVC and how to perform bitstream extraction
• Reading Cheng's paper on viewing time scalability and Som's IWQoS paper.
• Reading a couple of papers on optimized substream extraction
• Reading papers on modelling the synthesized view distortion in V+D 3D videos

Jan 24

• Report: here
• 3D Video Remote Rendering and Adaptation System
• Market survey:
  • The mobile market seems to shifting towards multicore processors. At CES 2011, at least two companies showcased their new mobile phones (LG Optimus 2X and Motorola ATRIX 4G) based on the NVIDIA Tegra 2 dual-core ARM Cortex A9 processor. This looks promising as it may enable smoother graphics capabilities and may be useful for fast view synthesis on the mobile device. However, some evaluation of power consumption needs to be performed. The chip also includes an ultra-low power (ULP) GeForce GPU and is capable of decoding 1080p HD video. Demo Video
  • Tablets emerging in the market nowadays are using the Tegra 2 processor (e.g. Dell Streak 7 and Motorola XOOM)
  • Qualcomm Snapdragon, Samsung Orion (Video), and Texas Instruments OMAP4 are all dual-core processors expected in the first half of 2011.
  • Slides leaked this weekend from NVIDIA's presentation at the Mobile World Congress indicate that the company will be shipping a Tegra 2 3D processor this year intended for use in mobile gadgets featuring a 3D screen! Although this is yet to be confirmed, it is expected that devices such as LG's G-Slate which is expected to have a glasses-free, three-dimensional display and will be shipping around the same time will run on this processor. Moreover, an announcement of a Tegra 3 processor is expected in February.
  • The recent release of Gingerbread (Android 2.3) has witnessed a concurrent release of a new NDKr5 which allows application lifecycle management and window management to be performed outside Java. This means an application can be written entirely in C/C++/ARM assembly code without need to develop Java or JNI bindings.

Jan 17

• Concentrating on view synthesis in 3D video systems and read two recent survey papers about the topic.
• Reading about multiple view geometry to understand the warping process and the related terms from epipolar, trifocal, and projective geometry.
• Understanding the commonly used camera pinhole model.
• Reading about stereo-based view synthesis.
• Went over 3 papers on real-time view synthesis using GPUs.

Jan 10

• Exploring potential research directions in 3D videos, including: adaptive virtual view rendering in free-viewpoint video, view synthesis, and rate adaptation in 3D video streaming.
• Investigating the potential of cloud computing as a platform for enabling remote rendering of 3D video for mobile devices.

Fall 2010 (RA)

• Courses:
  • CMPT-765: Computer Communication Networks

• Submissions:
  • Energy Saving in Multiplayer Mobile Games (TOM'11)

• Publications:
  • Energy-Efficient Gaming on Mobile Devices using Dead Reckoning-based Power Management (NetGames'10)

Summer 2010 (DGS-GF)

• Courses: None

• Submissions:
  • Energy-Efficient Gaming on Mobile Devices using Dead Reckoning-based Power Management (NetGames'10)

Spring 2010 (TA)

• Courses:
  • CMPT-705: Design and Analysis of Algorithms

Fall 2009 (RA)

• Courses:
  • CMPT-771: Internet Architecture and Protocols

• Submissions:
  • Efficient AS Path Computation and Its Application to Peer Matching (NSDI'10)

Summer 2009 (RA)

• Submissions:
  • Efficient Peer Matching Algorithms (CoNEXT'09)

Spring 2009 (TA)

• Courses:
  • CMPT-820: Multimedia Systems