Community Profile

photo

nadia naji


Last seen: 1년 초과 전 |  2012년부터 활동

연락

통계

  • Thankful Level 3

배지 보기

Content Feed

보기 기준

질문


curve fitting using min-max optimization
I have a 2D array and I am trying to fit a curve on the data.how can I find the best curve for the data in Matlab? I need to kno...

1년 초과 전 | 답변 수: 1 | 0

1

답변

질문


finding the specific value on a curve using matlab
I have two matrix (100,6). one of them contains PSNR values for different bitrate and the other one contains corresponding bitra...

1년 초과 전 | 답변 수: 0 | 0

0

답변

질문


using Bjontegaard metric in k-means clustering as a cost function
Hello, I am trying to use Bjontegaard metric as cost fucntion in kmeans. I have some RD curve and I want to cluster them based ...

거의 2년 전 | 답변 수: 0 | 0

0

답변

질문


string for x label in a plot
Hello, I have 15 values for x label but they are not consecutive values. for exampl they are bitrate values from 100 kb to 900 ...

거의 2년 전 | 답변 수: 4 | 0

4

답변

질문


legend for multiple plots
Hello, I have 4 matrix with 6 rows and 15 columns. I want to plot all these matrix in on plot. for this aim I used the followin...

거의 2년 전 | 답변 수: 2 | 0

2

답변

질문


show the output of subplot as a full screen show
Hello, I need to show the subplot output as a full screen image but it shows small images in the output. my Matlab version is R...

거의 3년 전 | 답변 수: 1 | 0

1

답변

질문


how do I average each 10 elements of a matrix?
Hi, I have an 80x1 vector and I need to average every 10 elements from first and save them to a new vector. do you have any su...

거의 3년 전 | 답변 수: 1 | 0

1

답변

질문


read each line a text file using Matlab function
I have a text file that each line of it is as follows: n:1 mse_avg:8.46 mse_y:12.69 mse_u:0.00 mse_v:0.00 psnr_avg:38.86 ps...

거의 3년 전 | 답변 수: 1 | 0

1

답변

질문


read each line a text file using Matlab function
I have a text file that each line of it is as follows: n:1 mse_avg:8.46 mse_y:12.69 mse_u:0.00 mse_v:0.00 psnr_avg:38.86 ...

거의 3년 전 | 답변 수: 1 | 0

1

답변

질문


how do I classify image based on smoothness and high frequency?
Hello, I have some blocks of image and I need to find out the block is smooth or is full of edge, but I really do not know how ...

거의 3년 전 | 답변 수: 2 | 0

2

답변

질문


how can i grow a region with connected compoent in other image?
hi i have 2 same images one of them is the mask and binary image the other one is the labeld image that each connected component...

거의 11년 전 | 답변 수: 0 | 0

0

답변

질문


histogram distance or histogram similarity?
hi i extract texture feature from video and build a histogram 1x177 bins i want to find more similar histogram to it from histog...

대략 11년 전 | 답변 수: 0 | 0

0

답변

질문


split video to bocks
hi i have a video and i want to split video to some block which each frame split to 16x16 blocks and each 30 frame i have the tr...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


accuracy of svm model on test data?
hi i used svmtrain function to train a model now i want to check the accuracy of model on test data how can i do this with 10-fo...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


spliting image to 16x16 blocks
hi i have an image with size 320x240 i want to split it to 16x16 blocks but i don't use for loop. i don't process these blocks a...

대략 11년 전 | 답변 수: 2 | 0

2

답변

질문


making 3d blocks from video
hi i have some video with resolution 320x240 and i want to separate blocks with size 16x16x30 which 30 means 30 sequential frame...

대략 11년 전 | 답변 수: 0 | 0

0

답변

질문


temporal treatment of special row or column of frames in video
hi i have a video and i want to consider the action of sequential frames for special x and all y with that x. this means instead...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


fill inside an object in binary image
hi i have an binary image that i need to fill inside the object in image if i use imfill function it cant fill the image <http:...

대략 11년 전 | 답변 수: 0 | 0

0

답변

질문


problem with centroid of binary image
hi i use bwconncomp and regionprob with centroid feature to find centroid of binary image but i cant understand one thing? if i ...

대략 11년 전 | 답변 수: 2 | 0

2

답변

질문


changing the resolution of video frame
i have some videos with different resolution but for some computing reason i need to change the resolution of them to same on fo...

대략 11년 전 | 답변 수: 2 | 0

2

답변

질문


what is vlfeat and how made available it?
i use a code in this address for background subtraction <http://www.mathworks.com/matlabcentral/fileexchange/34077-background-re...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


how optical flow function in matlab work?
i don't write any code myself for optical flow i only use the demo in matlab r2012a to learn what optical flow work. this demo e...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


how can select a region in image?
hi i need to select a region in image and then save the value of those pixels by using impixel i can choose some pixel by clicki...

대략 11년 전 | 답변 수: 3 | 1

3

답변

질문


how transfer ycbcr to rgb?
hi i have a vector with 3 columns that contain y, cb and cr values of ycbcr. when i use ycbcr2rgb function with this vector as ...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


how can i delete horizontal vector from output in optical flow?
hi i need to delete horizontal velocity vector from output in optical flow is there any way to show special vector from output o...

대략 11년 전 | 답변 수: 1 | 0

1

답변

질문


optical flow function in matlab?
hi i need to calculate optical flow. i don't know any matlab versions have function for calculating optical flow? can you help m...

11년 초과 전 | 답변 수: 1 | 0

1

답변

답변 있음
svm rbf kernel parameter?
i understand the default value of sigma is 1 and it is different from scaling factor

11년 초과 전 | 0

질문


svm rbf kernel parameter?
hi what is the default value of sigma in RBF kernel function in svmtrain and where or how can i see the value of it? is it diffe...

11년 초과 전 | 답변 수: 1 | 0

1

답변

질문


how can i show the output of 2 clusters in one plot?
I have two clusters of data each cluster has x,y (coordinates) and a value to know it's type(1 class1,2 class 2)I have plotted t...

11년 초과 전 | 답변 수: 1 | 0

1

답변

질문


how can i change svm classify output?
hi we know the output of svmclassify function is 1 or -1 but i need to have decimal value for some processing is there any way t...

11년 초과 전 | 답변 수: 0 | 0

0

답변

더 보기