Database

Started by Karl-Heinz Pflaum in Matlab DSP17 years ago 1 reply

Hi all, I try to build up a database (SQL) with a table of vectors. In the SQL-table I have defined a row with the datatype of...

Hi all, I try to build up a database (SQL) with a table of vectors. In the SQL-table I have defined a row with the datatype of "image" which should keep the data. But how is it possible to transfer the data from a MATLAB variable into the database? I always get


Hi all, I would obtain your help to update a database

Started by emanuelemignosa in Matlab DSP13 years ago

Hi all, and thanks in advance. I'm building a algorithmn that engines as output a numeric matrix data that i download in a database as...

Hi all, and thanks in advance. I'm building a algorithmn that engines as output a numeric matrix data that i download in a database as Access. The output is a variable, so when i update the database i don't know what is the values that identify the cells to update it. To solve this inconvenient i thought to import the matrix data that i must update, identify it and only now update th...


Commit/Rollback problems on Database Update inn MATLAB

Started by imagetigers au in Matlab DSP15 years ago

Dear All, I'm getting the following error when i try to update an empty column in the MS Access database using the update command: ???...

Dear All, I'm getting the following error when i try to update an empty column in the MS Access database using the update command: ??? Error using ==> database/update Error:Commit/Rollback Problems My kind request to u all to help me. Thanking u, Pradeep


MIT_BIH Database

Started by vani chezhiyan in Matlab DSP16 years ago 1 reply

Hi, Is anybody working with MIT-Arhythmia database. Can anybody tell me how to read the signals in Matlab? Kindly help.I'm...

Hi, Is anybody working with MIT-Arhythmia database. Can anybody tell me how to read the signals in Matlab? Kindly help.I'm terribly in need of it. Thanx. vani


Building image database

Started by khaled in Matlab DSP14 years ago

Hello, I have 10 images (300*600). I would like to divide these images to number of subimages (20*50) with 10 pixels overlaping and save the...

Hello, I have 10 images (300*600). I would like to divide these images to number of subimages (20*50) with 10 pixels overlaping and save the resulted subimages in database. Does someone know an easy way to do this?. Thanks in advance. Khaled


speech database

Started by efe yaparoglu in Matlab DSP16 years ago

Hi everybody, Like many friends in the group, I am also dealing with a speech processing task (speaker verification). I...

Hi everybody, Like many friends in the group, I am also dealing with a speech processing task (speaker verification). I searched the internet but i couldn't find a speech database. The ones i found were big databases and not for free. Is there anyone who knows a source of data


Image Recognition based on defined images

Started by Prasun Dhara in Matlab DSP10 years ago 2 replies

Hi All I have a image database which has several known images with its label.Now I want to compare this images with a unknown input...

Hi All I have a image database which has several known images with its label.Now I want to compare this images with a unknown input image. If any known image is found in the unknown input image i need to label the image according to the image database. For Example: I have 4 images A,B,C and D in my sample image database Image label A lion B tiger C cow ...


Functions and Database by matlab

Started by Ghadeer in Matlab DSP16 years ago 1 reply

Respected members, I want to learn how to return more than one value by a function in matlab. In fact i need tutorials in calling...

Respected members, I want to learn how to return more than one value by a function in matlab. In fact i need tutorials in calling functions because the matlab help doesn't provide enough examples. Also how may i build my own database of images by matlab? Is there a way t


looking for .bib in communications/elec engineering

Started by Nandan Das in Matlab DSP12 years ago

Hi guys, not a real "matlab" question, but this group seems to be the best for random communications/DSP queries -- so here goes mine. I...

Hi guys, not a real "matlab" question, but this group seems to be the best for random communications/DSP queries -- so here goes mine. I am looking for a .bib database that is heavy with references to papers/book in communications (e.g. MIMO, channel estimation etc). Considering that all of us who write papers have to build this kind of a database, it seems sharing will reduce the pai...


BLOB support in MATLAB

Started by imagetigers in Matlab DSP15 years ago

I currently use MATLAB 6.5 R 13.I want to store images in the database and perform some processing such as feature...

I currently use MATLAB 6.5 R 13.I want to store images in the database and perform some processing such as feature extraction.There is no BLOB support to store the images using Oracle.There is also problem accessing the image from MSAccess database.It says unrecognised image


Feature Extraction for classification

Started by Michael Bezenchuk in Matlab DSP9 years ago

I'm doing a project dealing with classification I have database of 4 classes each class have number of samles you can see the database here...

I'm doing a project dealing with classification I have database of 4 classes each class have number of samles you can see the database here (matlab files - smps parameter): http://www.ee.bgu.ac.il/~bezenchu/detectionDB/ I've been asked to identify the features visually and then to estimate the distribution for each class. also it says that i c


Displaying imported images from database in Matlab

Started by Jeevashini in Matlab DSP12 years ago

Hi all, When I try to call the function parsebinary to display image imported from MS Access database, I get an error : function that...

Hi all, When I try to call the function parsebinary to display image imported from MS Access database, I get an error : function that I called : parsebinary(photo,'BMP'); Error : ??? Error using ==> fwrite Cannot write value: unsupported class java.lang.Object[]. Error in ==> parsebinary at 60 fwrite(fid,bdata(m:n),'int8'); Does anyone know the cause of this error a


retrieval wav file as BLOB file in Database

Started by in Matlab DSP14 years ago

Hi, all.. I have a real problem with some .wav files strored in a Database field. The problem is retrieve them, MATLAB retrieve the...

Hi, all.. I have a real problem with some .wav files strored in a Database field. The problem is retrieve them, MATLAB retrieve the files but in binary form, then I need to save this file in memory or in a phisical drive to use it. How can I do this? I try with "parsebinary". proposed byr MATLAB to save images, DOCs and other files type but not


how to create a wav databease

Started by seli...@hotmail.com in Matlab DSP10 years ago

Hi all, I am dealing with a project and I am stuck at a point. I have to construct an audio database. I have all the audio signals but I...

Hi all, I am dealing with a project and I am stuck at a point. I have to construct an audio database. I have all the audio signals but I couldnt figure out how to construct it. Looking forward to new ideas. Best regards


connection to databases

Started by Anonymous in Matlab DSP19 years ago 1 reply

Hi, Does anybody know if there is an easy way to access or connect to a database (e.g.: a MS access db) from Matlab to retrieve...

Hi, Does anybody know if there is an easy way to access or connect to a database (e.g.: a MS access db) from Matlab to retrieve data ? Thanks, -Vincent


Parallel computing Help Needed!!!!!!!!!!!!

Started by Danish in Matlab DSP11 years ago

hi, everyone i am doing my project on face recognition. i have got the problem that i have to run it parallel but how i dont know. i have to...

hi, everyone i am doing my project on face recognition. i have got the problem that i have to run it parallel but how i dont know. i have to do three thing in parallel 1. Face Detection 2. Database Entry 3. Face Recognition. i have completed all these modules and can be run sequentially or normal. but i dont know how to run them parallel. so that i can detect, enter and recognize simu...


eigen face code for color image processing required

Started by matlab_gk in Matlab DSP17 years ago

Hi there! I am working on Pattern Recognition using face biometric. I need help in the following two areas. 1) I have a...

Hi there! I am working on Pattern Recognition using face biometric. I need help in the following two areas. 1) I have a working system which can process gray scale face images and identify the image from a database of images. I need code in matlab for processing c