PPT-Challenges to image parsing researchers

Lana Lazebnik UNC Chapel Hill sky sidewalk building road car person car mountain The past closed universe datasets Tens of classes hundreds of images offline learning He et al 2004 . Ling 571. Deep Processing Techniques for NLP. January 12, 2011. Roadmap . Motivation: . Parsing (In) efficiency. Dynamic Programming. Cocke. -. Kasami. -Younger Parsing Algorithm . Chomsky Normal Form. CS 4705. Julia Hirschberg. 1. Some slides adapted from Kathy McKeown and Dan Jurafsky. Syntactic Parsing. Declarative . formalisms like CFGs, FSAs define the . legal strings of a language. -- but only tell you whether a given string is legal in a particular language. David Kauchak. CS159 – Spring 2011. some slides adapted from Ray Mooney. Admin. Updated slides/examples on . backoff. with absolute discounting (I’ll review them again here today). Assignment 2. Label Transfer via Dense Scene Alignment. Ce Liu Jenny Yuen Antonio . Torralba. {. celiu. , jenny, . torralba. }@. csail.mit.edu. CSAIL MIT. The task of object recognition and scene parsing. tree. Emma Armstrong. @. EmmaATester. www.taooftesting.co.uk. Emma.armstrong@towerswatson.com. My Knife– . Mando. Gomez. Image -sewing . needle with thread-Markus . Grossalber. . Challenges. Technical Challenges. Top-down vs. bottom-up parsing. Top-down . vs. bottom-up . parsing. Ex. Ex. Ex. Ex. +. Nat. *. Nat. Nat. Ex. Ex. . . . Nat. | . (. Ex. ). | . Ex. . +. . Ex. | . Ex. . *. . Ex. Matched input string. 1. Some slides . adapted from Julia Hirschberg and Dan . Jurafsky. To view past videos:. http://. globe.cvn.columbia.edu:8080/oncampus.php?c=133ae14752e27fde909fdbd64c06b337. Usually available only for 1 week. Right now, available for all previous lectures. Top-down versus Bottom-up Parsing. Top down:. Recursive descent parsing. LL(k) parsing. Top to down and leftmost derivation . Expanding from starting symbol (top) to gradually derive the input string. CS 4705. Julia Hirschberg. 1. Some slides adapted from Kathy McKeown and Dan Jurafsky. Syntactic Parsing. Declarative . formalisms like CFGs, FSAs define the . legal strings of a language. -- but only tell you whether a given string is legal in a particular language. Topics . Nullable, First, Follow. LL (1) Table construction. Bottom-up parsing. handles. Readings:. February 13, 2018. CSCE 531 Compiler Construction. Overview. Last Time. Regroup. A little bit of . Semantic Parsing. Converting natural language to a logical form. e.g., executable code for a specific application. Example:. Airline reservations. Geographical query systems. Stages of Semantic . Parsing. Parsing Giuseppe Attardi Dipartimento di Informatica Università di Pisa Università di Pisa Question Answering at TREC Consists of answering a set of 500 fact-based questions, e.g. “When was Mozart born Parsing Giuseppe Attardi Dipartimento di Informatica Università di Pisa Università di Pisa Question Answering at TREC Consists of answering a set of 500 fact-based questions, e.g. “When was Mozart born 1. , Prof Anne E. Trefethen. 1. , Prof Sir Michael Brady. 2. , Dr Fergus Gleeson. 3. and Dr. Daniel Goodman. 1. 1. Oxford e-Research Centre, University of Oxford, UK. 2. Dept. of Eng. Science, University of Oxford, UK.