'Action recognition' presentation slideshows

CS598:Visual information Retrieval

CS598:Visual information Retrieval. Lecture IV: Image Representation: Feature Coding and Pooling. Recap of Lecture III. Blob detection Brief of Gaussian filter Scale selection Lapacian of Gaussian ( LoG ) detector Difference of Gaussian ( DoG ) detector Affine co-variant region

879 views • 76 slides

An Introduction to Action Recognition/Detection

An Introduction to Action Recognition/Detection. Sami Benzaid November 17, 2009. What is action recognition?. The process of identifying actions that occur in video sequences (in this case, by humans). Example Videos. Videos from http://www.nada.kth.se/cvap/actions/.

976 views • 68 slides

Pedestrian Detection and Localization

1.6k views • 51 slides

Actions in video

Actions in video. Monday, April 25 Kristen Grauman UT-Austin. Today. Optical flow wrapup Activity in video Background subtraction Recognition of actions based on motion patterns Example applications. Using optical flow: recognizing facial expressions.

587 views • 48 slides

Recognition Scene understanding / visual object categorization Pose clustering

Kapitel 14. Recognition Scene understanding / visual object categorization Pose clustering Object recognition by local features Image categorization Bag-of-features models Large-scale image search. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A.

657 views • 47 slides

Agenda

Agenda. Presentation of ImageLab. Digital Library content-based retrieval. Computer Vision for robotic automation. Multimedia: video annotation. Medical Imaging. Video analysis for indoor/outdoor surveillance. Off-line Video analysis for telemetry a nd forensics.

542 views • 37 slides

Activity Recognition

Activity Recognition. Ram Nevatia Presents work of F. Lv, P. Natarajan and V. Singh Institute of Robotics and Intelligent Systems Computer Science Department Viterbi School of Engineering University of Southern California. Activity Recognition: Motivation.

740 views • 36 slides

Human Action Recognition by Representing 3D Skeletons as Points in a Lie Group

Human Action Recognition by Representing 3D Skeletons as Points in a Lie Group. Raviteja Vemulapalli . University of Maryland, College Park. Professor Rama Chellappa. Dr . Felipe Arrate. Action Recognition from 3D Skeletal Data.

1.14k views • 30 slides

Recent Developments in Deep Learning

Recent Developments in Deep Learning. Quoc V. Le Stanford University and Google. Purely supervised. Quoc V. Le. Deep Learning. Almost abandoned between 2000-2006 - Overfitting , slow, many local minima, gradient vanishing

534 views • 28 slides

Flow Based Action Recognition

428 views • 26 slides

Recognizing and Tracking Human Action

Recognizing and Tracking Human Action. Josephine Sullivan and Stefan Carlsson. Define Tracking. Traditional tracking. Kalman Filters Condensation HMM Matching articulated 3d models Similarities? Problems?. New approach. What is the difference between tracking and recognition?

441 views • 22 slides

M. S. Ryoo and J. K. Aggarwal ICCV2009

Spatio -Temporal Relationship Match: Video Structure Comparison for Recognition of Complex Human Activities. M. S. Ryoo and J. K. Aggarwal ICCV2009. Introduction. Human activity recognition, an automated detection of ongoing activities from video is an important problem .

347 views • 22 slides

Wrap Up

352 views • 20 slides

Univ. of Texas at San Antonio

Univ. of Texas at San Antonio. Human Action Recognition. Hong Lin. Univ. of Texas at San Antonio. Outline. Experimental Results: Image Sequence Tagging. Experimental Results: Image Classification. Research Background Method Experiment Current work.

271 views • 16 slides

Action Recognition

251 views • 13 slides

REU Report Meeting Week 4

REU Report Meeting Week 4. Patrick Hynes. Topic. One shot recognition Extending to Action recognition. Animals with Attributes. Caltech 101 Experiments. Goal, compare results to Fei-fei,Fergus , Perona All 101 Categories Training set of 3,6,15 examples per class

232 views • 10 slides

Action Recognition

Action Recognition. Karthik Prabhakar UCF REU 2008, Week 3 Report June 13, 2008. Proposed Model: Overview. SVM Classification. Results. 1) Input. 2) Motion Descriptor. Similar to Efros et. al. [1]. 3) 3D log-polar Binning. Motivated by Belongie et. al. [2]. Compute histogram.

229 views • 9 slides

Data Driven Attributes for Action Detection

Data Driven Attributes for Action Detection. Week 2 Presented by Christina Peterson. Background. Liu et al . [1] propose a unified framework for action recognition where manually specified attributes are: Selected discriminatively to account for intra-class variability

203 views • 9 slides

Action Recognition in Temporally Untrimmed Videos

Action Recognition in Temporally Untrimmed Videos. Fatemeh Yazdiananari. Temporally Clipped v.s Unclipped. Temporally Clipped: Videos only contain the action. Temporally Unclipped: Videos contain both the action and non-action.

204 views • 9 slides

REU Project

REU Project. RGBD gesture recognition with the Microsoft Kinect. Steven Hickson. ChaLearn Competition. 20,000$ + up to 100,000$ prize in IP licensing 53 teams, 80 participants, 572 entries One shot gesture learning Can use depth and RGB.

196 views • 9 slides