PPT-Photometric stereo

CS5670 Computer Vision Noah Snavely A Single Image Shape from Shading Assume is 1 for now What can we measure from one image is the angle between N and L Add assumptions. RESEARCH. q. uality and quantity. Paul Dowling. Institute of Education. University of London. Photometric . redshifts. can be routinely obtained to accuracies of better than 0.1 in Deltaz/(1 +. z. ). The issue of dust extinction, however, is one that has still not been well quantified. In this paper the success of two template-fitting photometric . Many slides adapted from Steve Seitz. Binocular stereo. Given a calibrated binocular stereo pair, fuse it to produce a depth image. image 1. image 2. Dense depth map. Binocular stereo. Given a calibrated binocular stereo pair, fuse it to produce a depth image. Many slides adapted from Steve Seitz. Binocular stereo. Given a calibrated binocular stereo pair, fuse it to produce a depth image. Where does the depth information come from?. Binocular stereo. Given a calibrated binocular stereo pair, fuse it to produce a depth image. Many slides adapted from S. Seitz. Multi-view . stereo. Generic problem formulation: given several images of the same object or scene, compute a representation of its 3D shape. Reconstruction (side). : . Uncalibrated Photometric Stereo . with . Shadows. Kalyan Sunkavalli, . Harvard University. Joint work with Todd Zickler and Hanspeter Pfister. Published in the Proceedings of ECCV 2010. http://gvi.seas.harvard.edu/. Anthony Bernard, Albrecht Götz and many . many. others. Baited remote underwater stereo-video systems. © E. Heyns. Approach. Inside versus Outside:. Reef habitats within MPAs are compared to similar (e.g. depth, structure) adjacent or near-by reefs.. . SMART PHONE ACCESSORIES. Dotin. introducing products with new innovations in High performance stereo earphones and headphones like active noise cancellation, volume control Key, In-Ear design, multi channel sound output, automatic recognition of mobile phone, etc. so you can enjoy features of your phone. These are extremely comfortable and lightweight design headsets. . Geometry. Various slides from previous courses by: . D.A. Forsyth (Berkeley / UIUC), I. Kokkinos (. Ecole. Centrale / UCL). S. . Lazebnik. (UNC / UIUC), S. Seitz (MSR / Facebook), J. Hays (Brown / Georgia Tech), A. Berg (Stony Brook / UNC), D. Samaras (Stony Brook) . J. M. . Car Stereo Market Report published by value market research, it provides a comprehensive market analysis which includes market size, share, value, growth, trends during forecast period 2019-2025 along with strategic development of the key player with their market share. Further, the market has been bifurcated into sub-segments with regional and country market with in-depth analysis. View More @ https://www.valuemarketresearch.com/report/car-stereo-market Photometric stereo Radiance Pixels measure radiance This pixel Measures radiance along this ray Where do the rays come from? Rays from the light source “reflect” off a surface and reach camera Reflection: Surface absorbs light energy and radiates it back Several slides from Larry . Zitnick. and Steve Seitz. Why do we perceive depth?. What do humans use as depth cues?. Convergence . When watching an object close to us, our eyes point slightly inward. This difference in the direction of the eyes is called convergence. This depth cue is effective only on short distances (less than 10 meters). . Announcements. Project 4 (stereo) released today, due Friday, April 1, at 8pm. To be done in groups of 2. Recap: . Lambertian (Diffuse) Reflectance. I . : observed image intensity. k. d. . : object albedo. Several slides from Larry . Zitnick. and Steve Seitz. Why do we perceive depth?. What do humans use as depth cues?. Convergence . When watching an object close to us, our eyes point slightly inward. This difference in the direction of the eyes is called convergence. This depth cue is effective only on short distances (less than 10 meters). . „4.5. Light . sources. “. With the agreed objective to allow all light source technologies in all lamps (functions) the text of section 4.5.1. condenses significantly. 4.5. Light sources. 4.5.1. Restrictions on light sources .