PPT-Lecture: Semantic Segmentation

Juan Carlos Niebles and Ranjay Krishna Stanford Vision and Learning Lab What we will learn today Introduction to segmentation and clustering Gestalt theory for perceptual grouping Agglomerative clustering. Daphne . Laino. and Danielle Roy. What is Segmentation?. Process of partitioning an image into segments. Segments are called . superpixels. Superpixels. are made up several pixels that have similar properties. By: A’laa . Kryeem. Lecturer: . Hagit. Hel-Or. What is . Segmentation from . Examples. ?. Segment an image based on one (or more) correctly segmented image(s) assumed to be from the same . domain. 1. NADINE GARAISY. GENERAL DEFINITION. 2. A drainage basin or watershed is an extent or an area of land where surface water from rain melting snow or ice converges to a single point at a lower elevation, usually the exit of the basin, where the waters join another . Chiu, S. J., . Izatt. , J. A., O’Connell, R. V., Winter, K. P., . Toth. , C. A., & . Farsiu. , S. (2012). Validated . Automatic . S. egmentation . of AMD . Pathology . I. ncluding . D. rusen . and . Chapter Objectives. After . reading this chapter you should be able . to:. Appreciate . the importance of market segmentation for specific consumer groups and realize that the targeting decision is the initial and most fundamental of all . Dr. Ananda Hussein. Ford. ’. s Model T Followed a Mass Market Approach. Four levels of Micromarketing. Segments. Local areas. Individuals. Niches. What is a Market Segment?. A . market segment. consists of a group of customers who share a similar set of needs ad wants. . Yassine Benajiba. 1. and . Imed. Zitouni. 2. 1 CCLS, Columbia University. 2 IBM T.J. Watson Research Center. ybenajiba@ccls.columbia.edu. , . izitouni@us.ibm.com. . Outline. The Arabic Language. ATB vs. Morph segmentation. 1. Global Marketing. Chapter 7. Market Segmentation. Represents an effort to identify and categorize groups of customers and countries according to common characteristics. 7-. 2. Targeting. The process of evaluating segments and focusing marketing efforts on a country, region, or group of people that has significant potential to respond. Review. So far, we’ve covered the following: . . Compilation methods: compilation vs. interpretation.. . The overall . c. ompilation process.. Front-end analysis . Lexical Analysis. Syntax Analysis. Mostajabi. , . Yadollahpour. . and . Shakhnarovich. Toyota . Technological Institute at Chicago. Main Ideas. Casting semantic segmentation as classifying a set of . superpixels. .. Extracting CNN features from different levels of spatial context around the . Movement led by W3C that promotes common formats for data on the web. Describes things in a way that computer applications can understand it. Describes the relationship between things and properties of things. person. grass. trees. motorbike. road. Evaluation metric. Pixel classification!. Accuracy?. Heavily unbalanced. Common classes are over-emphasized. Intersection over Union. Average across classes and images. Introduction. Semantic Role Labeling. Agent. Theme. Predicate. Location. Can we figure out that these have the same meaning?. XYZ . corporation . bought. the . stock.. They . sold. the stock to XYZ . lecture 5. Blesa. Ibrahim . mohammed. . 1. Session Overview . Define segmentation . Describe bases of segmentation . Discuss targeting strategies . Describe positioning strategies . 2. The STP framework.