Computer Vision Databases

1. Action Databases
2. Biological/Medical
3. Face Databases
4. Fingerprints
5. General Images
6. General RGBD and depth datasets
7. Gesture Databases
8. Image, Video and Shape Database Retrieval
9. Object Databases
10. People, Pedestrian, Eye/Iris, Template Detection/Tracking Databases
11. Segmentation
12. Surveillance
13. Textures
14. General Videos
15. Other Collection Pages
16. Miscellaneous Topics

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Action Databases

1. An analyzed collation of various labeled video datasets for action recognition (Kevin Murphy)
2. 50 Salads – fully annotated 4.5 hour dataset of RGB-D video + accelerometer data, capturing 25 people preparing two mixed salads each (Dundee University, Sebastian Stein)
3. ASLAN Action similarity labeling challenge database (Orit Kliper-Gross)
4. Berkeley MHAD: A Comprehensive Multimodal Human Action Database (Ferda Ofli)
5. BEHAVE Interacting Person Video Data with markup (Scott Blunsden, Bob Fisher, Aroosha Laghaee)
6. CVBASE06: annotated sports videos (Janez Pers)
7. G3D – synchronised video, depth and skeleton data for 20 gaming actions captured with Microsoft Kinect (Victoria Bloom)
8. Hollywood 3D – 650 3D action recognition in the wild videos, 14 action classes (Simon Hadfield)
9. Human Actions and Scenes Dataset (Marcin Marszalek, Ivan Laptev, Cordelia Schmid)
10. HumanEva: Synchronized Video and Motion Capture Dataset for Evaluation of Articulated Human Motion (Brown University)
11. i3DPost Multi-View Human Action Datasets (Hansung Kim)
12. i-LIDS video event image dataset (Imagery library for intelligent detection systems) (Paul Hosner)
13. INRIA Xmas Motion Acquisition Sequences (IXMAS) (INRIA)
14. JPL First-Person Interaction dataset – 7 types of human activity videos taken from a first-person viewpoint (Michael S. Ryoo, JPL)
15. KTH human action recognition database (KTH CVAP lab)
16. LIRIS human activities dataset – 2 cameras, annotated, depth images (Christian Wolf, et al)
17. MuHAVi – Multicamera Human Action Video Data (Hossein Ragheb)
18. Oxford TV based human interactions (Oxford Visual Geometry Group)
19. Rochester Activities of Daily Living Dataset (Ross Messing)
20. SDHA Semantic Description of Human Activities 2010 contest – aerial views (Michael S. Ryoo, J. K. Aggarwal, Amit K. Roy-Chowdhury)
21. SDHA Semantic Description of Human Activities 2010 contest – Human Interactions (Michael S. Ryoo, J. K. Aggarwal, Amit K. Roy-Chowdhury)
22. TUM Kitchen Data Set of Everyday Manipulation Activities (Moritz Tenorth, Jan Bandouch)
23. TV Human Interaction Dataset (Alonso Patron-Perez)
24. Univ of Central Florida – Feature Films Action Dataset (Univ of Central Florida)
25. Univ of Central Florida – YouTube Action Dataset (sports) (Univ of Central Florida)
26. Univ of Central Florida – 50 Action Category Recognition in Realistic Videos (3 GB) (Kishore Reddy)
27. UCF 101 action dataset 101 action classes, over 13k clips and 27 hours of video data (Univ of Central Florida)
28. Univ of Central Florida – Sports Action Dataset (Univ of Central Florida)
29. Univ of Central Florida – ARG Aerial camera, Rooftop camera and Ground camera (UCF Computer Vision Lab)
30. UCR Videoweb Multi-camera Wide-Area Activities Dataset (Amit K. Roy-Chowdhury)
31. Verona Social interaction dataset (Marco Cristani)
32. Videoweb (multicamera) Activities Dataset (B. Bhanu, G. Denina, C. Ding, A. Ivers, A. Kamal, C. Ravishankar, A. Roy-Chowdhury, B. Varda)
33. ViHASi: Virtual Human Action Silhouette Data (userID: VIHASI password: virtual$virtual) (Hossein Ragheb, Kingston University)
34. WorkoutSU-10 Kinect dataset for exercise actions (Ceyhun Akgul)
35. YouCook – 88 open-source YouTube cooking videos with annotations (Jason Corso)
36. WVU Multi-view action recognition dataset (Univ. of West Virginia)

Biological/Medical

1. Annotated Spine CT Database for Benchmarking of Vertebrae Localization, 125 patients, 242 scans (Ben Glockern)
2. Computed Tomography Emphysema Database (Lauge Sorensen)
3. Dermoscopy images (Eric Ehrsam)
4. DIADEM: Digital Reconstruction of Axonal and Dendritic Morphology Competition (Allen Institute for Brain Science et al)
5. DIARETDB1 – Standard Diabetic Retinopathy Database (Lappeenranta Univ of Technology)
6. DRIVE: Digital Retinal Images for Vessel Extraction (Univ of Utrecht)
7. MiniMammographic Database (Mammographic Image Analysis Society)
8. MIT CBCL Automated Mouse Behavior Recognition datasets (Nicholas Edelman)
9. Mouse Embryo Tracking Database – cell division event detection (Marcelo Cicconet, Kris Gunsalus)
10. Retinal fundus images – Ground truth of vascular bifurcations and crossovers (Univ of Groningen)
11. Spine and Cardiac data (Digital Imaging Group of London Ontario, Shuo Li)
12. Univ of Central Florida – DDSM: Digital Database for Screening Mammography (Univ of Central Florida)
13. VascuSynth – 120 3D vascular tree like structures with ground truth (Mengliu Zhao, Ghassan Hamarneh)
14. York Cardiac MRI dataset (Alexander Andreopoulos)

Face Databases

1. 3D Mask Attack Database (3DMAD) – 76500 frames of 17 persons using Kinect RGBD with eye positions (Sebastien Marcel)
2. Audio-visual database for face and speaker recognition (Mobile Biometry MOBIO http://www.mobioproject.org/)
3. BANCA face and voice database (Univ of Surrey)
4. Binghampton Univ 3D static and dynamic facial expression database (Lijun Yin, Peter Gerhardstein and teammates)
5. BioID face database (BioID group)
6. Biwi 3D Audiovisual Corpus of Affective Communication – 1000 high quality, dynamic 3D scans of faces, recorded while pronouncing a set of English sentences.
7. CMU Facial Expression Database (CMU/MIT)
8. CMU/MIT Frontal Faces (CMU/MIT)
9. CMU/MIT Frontal Faces (CMU/MIT)
10. CMU Pose, Illumination, and Expression (PIE) Database (Simon Baker)
11. CSSE Frontal intensity and range images of faces (Ajmal Mian)
12. Face Recognition Grand Challenge datasets (FRVT – Face Recognition Vendor Test)
13. FaceTracer Database – 15,000 faces (Neeraj Kumar, P. N. Belhumeur, and S. K. Nayar)
14. FDDB: Face Detection Data set and Benchmark – studying unconstrained face detection (University of Massachusetts Computer Vision Laboratory)
15. FG-Net Aging Database of faces at different ages (Face and Gesture Recognition Research Network)
16. Facial Recognition Technology (FERET) Database (USA National Institute of Standards and Technology)
17. Hannah and her sisters database – a dense audio-visual person-oriented ground-truth annotation of faces, speech segments, shot boundaries (Patrick Perez, Technicolor)
18. Hong Kong Face Sketch Database
19. Japanese Female Facial Expression (JAFFE) Database (Michael J. Lyons)
20. LFW: Labeled Faces in the Wild – unconstrained face recognition.
21. Manchester Annotated Talking Face Video Dataset (Timothy Cootes)
22. MIT Collation of Face Databases (Ethan Meyers)
23. MMI Facial Expression Database – 2900 videos and high-resolution still images of 75 subjects, annotated for FACS AUs.
24. MORPH (Craniofacial Longitudinal Morphological Face Database) (University of North Carolina Wilmington)
25. MIT CBCL Face Recognition Database (Center for Biological and Computational Learning)
26. NIST mugshot identification database (USA National Institute of Standards and Technology)
27. ORL face database: 40 people with 10 views (ATT Cambridge Labs)
28. Oxford: faces, flowers, multi-view, buildings, object categories, motion segmentation, affine covariant regions, misc (Oxford Visual Geometry Group)
29. PubFig: Public Figures Face Database (Neeraj Kumar, Alexander C. Berg, Peter N. Belhumeur, and Shree K. Nayar)
30. Re-labeled Faces in the Wild – original images, but aligned using “deep funneling” method. (University of Massachusetts, Amherst)
31. SCface – Surveillance Cameras Face Database (Mislav Grgic, Kresimir Delac, Sonja Grgic, Bozidar Klimpak))
32. Trondheim Kinect RGB-D Person Re-identification Dataset (Igor Barros Barbosa)
33. UB KinFace Database – University of Buffalo kinship verification and recognition database
34. XM2VTS Face video sequences (295): The extended M2VTS Database (XM2VTS) – (Surrey University)
35. Yale Face Database – 11 expressions of 10 people (A. Georghaides)
36. Yale Face Database B – 576 viewing conditions of 10 people (A. Georghaides)

Fingerprints

1. FVC fingerpring verification competition 2002 dataset (University of Bologna)
2. FVC fingerpring verification competition 2004 dataset (University of Bologna)
3. FVC – a subset of FVC (Fingerprint Verification Competition) 2002 and 2004 fingerprint image databases, manually extracted minutiae data & associated documents (Umut Uludag)
4. NIST fingerprint databases (USA National Institute of Standards and Technology)
5. SPD2010 Fingerprint Singular Points Detection Competition (SPD 2010 committee)

General Images

1. Aerial color image dataset (Swiss Federal Institute of Technology)
2. AMOS: Archive of Many Outdoor Scenes (20+m) (Nathan Jacobs)
3. Brown Univ Large Binary Image Database (Ben Kimia)
4. Caltech-UCSD Birds-200-2011 (Catherine Wah)
5. Columbia Multispectral Image Database (F. Yasuma, T. Mitsunaga, D. Iso, and S.K. Nayar)
6. HIPR2 Image Catalogue of different types of images (Bob Fisher et al)
7. Hyperspectral images of natural scenes – 2002 (David H. Foster)
8. Hyperspectral images of natural scenes – 2004 (David H. Foster)
9. ImageNet Linguistically organised (WordNet) Hierarchical Image Database – 10E7 images, 15K categories (Li Fei-Fei, Jia Deng, Hao Su, Kai Li)
10. ImageNet Large Scale Visual Recognition Challenge (Alex Berg, Jia Deng, Fei-Fei Li)
11. OTCBVS Thermal Imagery Benchmark Dataset Collection (Ohio State Team)
12. McGill Calibrated Colour Image Database (Adriana Olmos and Fred Kingdom)
13. Tiny Images Dataset 79 million 32×32 color images (Fergus, Torralba, Freeman)

General RGBD Datasets

1. Cornell-RGBD-Dataset – Office Scenes (Hema Koppula)
2. NYU Depth Dataset V2 – Indoor Segmentation and Support Inference from RGBD Images
3. Oakland 3-D Point Cloud Dataset (Nicolas Vandapel)
4. Washington RGB-D Object Dataset – 300 common household objects adn 14 scenes. (University of Washington and Intel Labs Seattle)

Gesture Databases

1. FG-Net Aging Database of faces at different ages (Face and Gesture Recognition Research Network)
2. Hand gesture and marine silhouettes (Euripides G.M. Petrakis)
3. IDIAP Hand pose/gesture datasets (Sebastien Marcel)
4. Sheffield gesture database – 2160 RGBD hand gesture sequences, 6 subjects, 10 gestures, 3 postures, 3 backgrounds, 2 illuminations (Ling Shao)

Image, Video and Shape Database Retrieval

1. Brown Univ 25/99/216 Shape Databases (Ben Kimia)
2. IAPR TC-12 Image Benchmark (Michael Grubinger)
3. IAPR-TC12 Segmented and annotated image benchmark (SAIAPR TC-12): (Hugo Jair Escalante)
4. ImageCLEF 2010 Concept Detection and Annotation Task (Stefanie Nowak)
5. ImageCLEF 2011 Concept Detection and Annotation Task – multi-label classification challenge in Flickr photos
6. CLEF-IP 2011 evaluation on patent images
7. McGill 3D Shape Benchmark (Siddiqi, Zhang, Macrini, Shokoufandeh, Bouix, Dickinson)
8. NIST SHREC 2010 – Shape Retrieval Contest of Non-rigid 3D Models (USA National Institute of Standards and Technology)
9. NIST SHREC – other NIST retrieval contest databases and links (USA National Institute of Standards and Technology)
10. NIST TREC Video Retrieval Evaluation Database (USA National Institute of Standards and Technology)
11. Princeton Shape Benchmark (Princeton Shape Retrieval and Analysis Group)
12. Queensland cross media dataset – millions of images and text documents for “cross-media” retrieval (Yi Yang)
13. TOSCA 3D shape database (Bronstein, Bronstein, Kimmel)

Object Databases

1. 2.5D/3D Datasets of various objects and scenes (Ajmal Mian)
2. Amsterdam Library of Object Images (ALOI): 100K views of 1K objects (University of Amsterdam/Intelligent Sensory Information Systems)
3. Beyond PASCAL: A Benchmark for 3D Object Detection in the Wild – 12 class, 3000+ images each with 3D annotations (Yu Xiang, Roozbeh Mottaghi, Silvio Savarese)
4. Caltech 101 (now 256) category object recognition database (Li Fei-Fei, Marco Andreeto, Marc’Aurelio Ranzato)
5. Columbia COIL-100 3D object multiple views (Columbia University)
6. Densely sampled object views: 2500 views of 2 objects, eg for view-based recognition and modeling (Gabriele Peters, Universiteit Dortmund)
7. German Traffic Sign Detection Benchmark (Ruhr-Universitat Bochum)
8. GRAZ-02 Database (Bikes, cars, people) (A. Pinz)
9. Linkoping 3D Object Pose Estimation Database (Fredrik Viksten and Per-Erik Forssen)
10. Microsoft Object Class Recognition image databases (Antonio Criminisi, Pushmeet Kohli, Tom Minka, Carsten Rother, Toby Sharp, Jamie Shotton, John Winn)
11. Microsoft salient object databases (labeled by bounding boxes) (Liu, Sun Zheng, Tang, Shum)
12. MIT CBCL Car Data (Center for Biological and Computational Learning)
13. MIT CBCL StreetScenes Challenge Framework: (Stan Bileschi)
14. NEC Toy animal object recognition or categorization database (Hossein Mobahi)
15. NORB 50 toy image database (NYU)
16. PASCAL Image Database (motorbikes, cars, cows) (PASCAL Consortium)
17. PASCAL 2007 Challange Image Database (motorbikes, cars, cows) (PASCAL Consortium)
18. PASCAL 2008 Challange Image Database (PASCAL Consortium)
19. PASCAL 2009 Challange Image Database (PASCAL Consortium)
20. PASCAL 2010 Challange Image Database (PASCAL Consortium)
21. PASCAL 2011 Challange Image Database (PASCAL Consortium)
22. PASCAL 2012 Challange Image Database Category classification, detection, and segmentation, and still-image action classification (PASCAL Consortium)
23. UIUC Car Image Database (UIUC)
24. UIUC Dataset of 3D object categories (S. Savarese and L. Fei-Fei)
25. Venezia 3D object-in-clutter recognition and segmentation (Emanuele Rodola)

People, Pedestrian, Eye/Iris, Template Detection/Tracking Databases

1. 3D KINECT Gender Walking data base (L. Igual, A. Lapedriza, R. Borràs from UB, CVC and UOC, Spain)
2. Caltech Pedestrian Dataset (P. Dollar, C. Wojek, B. Schiele and P. Perona)
3. CASIA gait database (Chinese Academy of Sciences)
4. CASIA-IrisV3 (Chinese Academy of Sciences, T. N. Tan, Z. Sun)
5. CAVIAR project video sequences with tracking and behavior ground truth (CAVIAR team/Edinburgh University – EC project IST-2001-37540)
6. Daimler Pedestrian Detection Benchmark 21790 images with 56492 pedestrians plus empty scenes (M. Enzweiler, D. M. Gavrila)
7. Driver Monitoring Video Dataset (RobeSafe + Jesus Nuevo-Chiquero)
8. Edinburgh overhead camera person tracking dataset (Bob Fisher, Bashia Majecka, Gurkirt Singh, Rowland Sillito)
9. Eyetracking database summary (Stefan Winkler)
10. HAT database of 27 human attributes (Gaurav Sharma, Frederic Jurie)
11. INRIA Person Dataset (Navneet Dalal)
12. ISMAR09 ground truth video dataset for template-based (i.e. planar) tracking algorithms (Sebastian Lieberknecht)
13. MIT CBCL Pedestrian Data (Center for Biological and Computational Learning)
14. MIT eye tracking database (1003 images) (Judd et al)
15. Modena and Reggio Emilia first person head motion videos (Univ of Modena and Reggio Emilia)
16. Notre Dame Iris Image Dataset (Patrick J. Flynn)
17. PETS 2009 Crowd Challange dataset (Reading University & James Ferryman)
18. PETS: Performance Evaluation of Tracking and Surveillance (Reading University & James Ferryman)
19. PETS Winter 2009 workshop data (Reading University & James Ferryman)
20. Pixel-based change detection benchmark dataset (Goyette et al)
21. Pointing’04 ICPR Workshop Head Pose Image Database
22. Transient Biometrics Nails Dataset V01 (Igor Barros Barbosa)
23. UBIRIS: Noisy Visible Wavelength Iris Image Databases (University of Beira)
24. Univ of Central Florida – Crowd Dataset (Saad Ali)
25. Univ of Central Florida – Crowd Flow Segmentation datasets (Saad Ali)
26. UTIRIS cross-spectral iris image databank (Mahdi Hosseini)
27. York Univ Eye Tracking Dataset (120 images) (Neil Bruce)

Segmentation

1. Alpert et al. Segmentation evaluation database (Sharon Alpert, Meirav Galun, Ronen Basri, Achi Brandt)
2. Berkeley Segmentation Dataset and Benchmark (David Martin and Charless Fowlkes)
3. GrabCut Image database (C. Rother, V. Kolmogorov, A. Blake, M. Brown)
4. LabelMe images database and online annotation tool (Bryan Russell, Antonio Torralba, Kevin Murphy, William Freeman)

Surveillance

1. AVSS07: Advanced Video and Signal based Surveillance 2007 datasets (Andrea Cavallaro)
2. ETISEO Video Surveillance Download Datasets (INRIA Orion Team and others)
3. Heriot Watt Summary of datasets for human tracking and surveillance (Zsolt Husz)
4. Openvisor – Video surveillance Online Repository (Univ of Modena and Reggio Emilia)
5. SPEVI: Surveillance Performance EValuation Initiative (Queen Mary University London)
6. Udine Trajectory-based anomalous event detection dataset – synthetic trajectory datasets with outliers (Univ of Udine Artificial Vision and Real Time Systems Laboratory)

Textures

1. Color texture images by category (textures.forrest.cz)
2. Columbia-Utrecht Reflectance and Texture Database (Columbia & Utrecht Universities)
3. DynTex: Dynamic texture database (Renaud Piteri, Mark Huiskes and Sandor Fazekas)
4. Oulu Texture Database (Oulu University)
5. Prague Texture Segmentation Data Generator and Benchmark (Mikes, Haindl)
6. Uppsala texture dataset of surfaces and materials – fabrics, grains, etc.
7. Vision Texture (MIT Media Lab)

General Videos

1. Large scale YouTube video dataset – 156,823 videos (2,907,447 keyframes) crawled from YouTube videos (Yi Yang)

Other Collections

1. CANTATA Video and Image Database Index site (Multitel)
2. Computer Vision Homepage list of test image databases (Carnegie Mellon Univ)
3. ETHZ various, including 3D head pose, shape classes, pedestrians, pedestrians, buildings (ETH Zurich, Computer Vision Lab)
4. Leibe’s Collection of people/vehicle/object databases (Bastian Leibe)
5. Lotus Hill Image Database Collection with Ground Truth (Sealeen Ren, Benjamin Yao, Michael Yang)
6. Oxford Misc, including Buffy, Flowers, TV characters, Buildings, etc (Oxford Visual geometry Group)
7. PEIPA Image Database Summary (Pilot European Image Processing Archive)
8. Univ of Bern databases on handwriting, online documents, string edit and graph matching (Univ of Bern, Computer Vision and Artificial Intelligence)
9. USC Annotated Computer Vision Bibliography database publication summary (Keith Price)
10. USC-SIPI image databases: texture, aerial, favorites (eg. Lena) (USC Signal and Image Processing Institute)

Miscellaneous

1. 3D mesh watermarking benchmark dataset (Guillaume Lavoue)
2. Active Appearance Models datasets (Mikkel B. Stegmann)
3. Aircraft tracking (Ajmal Mian)
4. Cambridge Motion-based Segmentation and Recognition Dataset (Brostow, Shotton, Fauqueur, Cipolla)
5. Catadioptric camera calibration images (Yalin Bastanlar)
6. Chars74K dataset – 74 English and Kannada characters (Teo de Campos – t.decampos@surrey.ac.uk)
7. COLD (COsy Localization Database) – place localization (Ullah, Pronobis, Caputo, Luo, and Jensfelt)
8. Columbia Camera Response Functions: Database (DoRF) and Model (EMOR) (M.D. Grossberg and S.K. Nayar)
9. Columbia Database of Contaminants’ Patterns and Scattering Parameters (Jinwei Gu, Ravi Ramamoorthi, Peter Belhumeur, Shree Nayar)
10. Dense outdoor correspondence ground truth datasets, for optical flow and local keypoint evaluation (Christoph Strecha)
11. DTU controlled motion and lighting image dataset (135K images) (Henrik Aanaes)
12. EISATS: .enpeda.. Image Sequence Analysis Test Site (Auckland University Multimedia Imaging Group)
13. FlickrLogos-32 – 8240 images of 32 product logos (Stefan Romberg)
14. Flowchart images (Allan Hanbury)
15. Geometric Context – scene interpretation images (Derek Hoiem)
16. Image/video quality assessment database summary (Stefan Winkler)
17. INRIA feature detector evaluation sequences (Krystian Mikolajczyk)
18. INRIA’s PERCEPTION’s database of images and videos gathered with several synchronized and calibrated cameras (INRIA Rhone-Alpes)
19. INRIA’s Synchronized and calibrated binocular/binaural data sets with head movements (INRIA Rhone-Alpes)
20. KITTI dataset for stereo, optical flow and visual odometry (Geiger, Lenz, Urtasun)
21. Large scale 3D point cloud data from terrestrial LiDAR scanning (Andreas Nuechter)
22. Linkoping Rolling Shutter Rectification Dataset (Per-Erik Forssen and Erik Ringaby)
23. Middlebury College stereo vision research datasets (Daniel Scharstein and Richard Szeliski)
24. MPI-Sintel optical flow evaluation dataset (Michael Black)
25. Multiview stereo images with laser based groundtruth (ESAT-PSI/VISICS,FGAN-FOM,EPFL/IC/ISIM/CVLab)
26. The Cancer Imaging Archive (National Cancer Institute)
27. NCI Cancer Image Archive – prostate images (National Cancer Institute)
28. NIST 3D Interest Point Detection (Helin Dutagaci, Afzal Godil)
29. NRCS natural resource/agricultural image database (USDA Natural Resources Conservation Service)
30. Occlusion detection test data (Andrew Stein)
31. The Open Video Project (Gary Marchionini, Barbara M. Wildemuth, Gary Geisler, Yaxiao Song)
32. Outdoor Ground Truth Evaluation Dataset for Sensor-Aided Visual Handheld Camera Localization (Daniel Kurz, metaio)
33. Pics ‘n’ Trails – Dataset of Continuously archived GPS and digital photos (Gamhewage Chaminda de Silva)
34. PRINTART: Artistic images of prints of well known paintings, including detail annotations. A benchmark for automatic annotation and retrieval tasks with this database was published at ECCV. (Nuno Miguel Pinho da Silva)
35. RAWSEEDS SLAM benchmark datasets (Rawseeds Project)
36. Robotic 3D Scan Repository – 3D point clouds from robotic experiments of scenes (Osnabruck and Jacobs Universities)
37. ROMA (ROad MArkings) : Image database for the evaluation of road markings extraction algorithms (Jean-Philippe Tarel, et al)
38. Stuttgart Range Image Database – 66 views of 45 objects
39. UCL Ground Truth Optical Flow Dataset (Oisin Mac Aodha)
40. Univ of Genoa Datasets for disparity and optic flow evaluation (Manuela Chessa)
41. Validation and Verification of Neural Network Systems (Francesco Vivarelli)
42. VSD: Technicolor Violent Scenes Dataset – a collection of ground-truth files based on the extraction of violent events in movies
43. WILD: Weather and Illumunation Database (S. Narasimhan, C. Wang. S. Nayar, D. Stolyarov, K. Garg, Y. Schechner, H. Peri)