![]() If we merge the table imagedata and the data from thumbindex.db, for a specific image, we have the filename, the face rectangle but no album reference to associate the face to a person! See for more information on the thumbindex.db file. In this example the image 266 is in the folder 5. How to read thumbindex.db ?Ī line will be either a folder with its complete path and a specific index value ( 4294967295), or an image with its filename and an index value pointing to the parent folder.Įxtract from the file thumbindex.db from Picasa 3.9 the line x in thumbindex.db file will correspond to the same image as the line x in the table imagedata. This file contains the whole list of folders and files indexed inside the Picasa database. This information is held in the file thumbindex.db. With those information, we know that the image x has a rectangle corresponding to a specific person but we don’t know yet the file name of the picture. Multiply by the width (3264) and the height (2448) The absolute values can be obtained by multiplying the values by the width and height of the picture. The 4 numbers, once divided by 2^16-1 (the maximum value), are the relative coordinates of the top left corner and the bottom right corner. A 64 bit number breakable in 4 16-bit numbers. The rectangle is described by a value in the format rectangle64. The interesting values for faces are facerect (rectangle coordinates) and personalbumid (album reference) in the table imagedata, and the values token (album reference) and name (person name) in the table albumdata.Įxtract from the table imagedata from Picasa 3.9 The header is described by the following table : Sizeĭates, Microsoft Variant Time format, 8 bytes PMP files are binary files in little-endian format. Imagedata, images data (includes rectangles and references albums) How to read PMP files ? The Picasa database contains 3 tables:Īlbumdata, which contains information on the albums (folders and face album)Ĭatdata, categories data (almost empty on my computer) ![]() The name of the file is table_column.pmp. Each PMP file contains a column of a table in the database. In this folder, we can found mainly pmp and db files. ![]() On Windows 7, the Picasa database is located in C:\Users\USERNAME\AppData\Local\Google\Picasa2. I need the person names, the image filename and the rectangle associated with each face. What I would like to do: extract the raw face recognition information from the Picasa database. With the ease of sharing that Picasa provides, you will be able to tag friends and family members and organize albums that others can enjoy.Retrieving information from Picasa is not an easy thing, the software is quite limited and hardly offers any data export function. New features allow you to share your photographs easily on Google platforms, including using tags for Google , photo editing to help improve the appearance of photographs and more. Additional features built into Picasa that you may enjoy includes the ability to create screensavers, posters, photograph montages and even movies that you can view through the external viewer and throughout multiple Google platforms, and even by email. The batch-editing tool allows you to brighten and apply filters to large albums in one click, allowing you to share photos with friends and family members as soon as possible. Those who have experience with other photo-editing programs will enjoy all the features that the editing tool can provide to users.Įditing features include everything from red-eye correction to applying filters and enhancing the sharpness in photos. The comprehensive help features built into the software help ensure that you can tackle any editing task you encounter without any inconvenience. Whether you are experienced with photo-editing programs or you have recently become interested in photography, Picasa is designed to be intuitive enough to help you edit and organize photos without any hassle. Ideal for sharing photographs directly to Google , Picasa Web and other Google platforms, Picasa makes it so easy for you to upload your photographs, keep them organized and share them effortlessly with friends and family. Developed by Google to help ease the management, editing and sharing of your photos, Picasa is an excellent program, whether you are a professional photographer, a novice photographer or simply like taking photographs for you and your loved ones to enjoy.
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