Questions tagged [image-quality]
113 questions
0
votes
0 answers
Imagemagick available image quality metrics while using a mask
I have an RGBA image (below) and I want to calculate different quality metrics comparing the original image to a distorted version. While doing this, I would like to neglect the effect of background and only focus on the object. First, I extract the…
chronosynclastic
- 1,585
- 3
- 19
- 40
0
votes
1 answer
Poor image quality in itext
I am using itext7 to create pdf file
,and at the footer I am trying to add png images as follows:
PdfDocumentEvent documentEvent = (PdfDocumentEvent) event;
PdfPage page = documentEvent.getPage();
PdfCanvas canvas = new PdfCanvas(page);
byte[]…
Mahmoud Saleh
- 33,303
- 119
- 337
- 498
0
votes
1 answer
Use different image from two PDF for create one PDF with FPDI/TCPDF
I would use two differents pages from two differents PDF for create one PDF with both pages combines.
For that I use FPDF and I have done this :
$finalPDF = new Fpdi();
$secondPDF = new Fpdi();
$personalizationPdfPath =…
D.C
- 15
- 3
0
votes
1 answer
How to keep quality after image scaling animation in Android?
I have bad image quality after image scaling 2 times bigger. Is there any way to keep its quality? Without scaling it looks great.
I tried to increase image dimensions but with no affect.
java code:
ImageView imgView =…
Tonton
- 113
- 2
- 9
0
votes
1 answer
Poor image quality when render-to-texture compared to render-to-screen
To implement some post processing effects, I want to render the scene into a texture instead of directly render to the screen. For testing purposes I have drawn this texture over a simple quad that spans the whole screen. But the image quality is…
Rene Kaesler
- 13
- 5
0
votes
2 answers
How to change image quality
Which parameter to set image quality/dpi
I have an image of certain pixel size. Before saving it I need to reduce its quality (without changing its pixel size).
I send the image to the following functions. If I want to reduce the quality to 87% -…
may schiller
- 19
- 4
0
votes
2 answers
MATLAB degrades image quality
There is an original image test1.jpg. The problem is to show axes in the image and retain image quality.
I am running the following code which is taken from matlab, multiple axes or scales for image pixels and real distance:
img =…
Leonid
- 35
- 6
0
votes
2 answers
Camera2 app based on mediarecorder records videos of low quality. Does anybody know why?
I have been developing a camera app using camera 2 and taking codes from these video series: https://www.youtube.com/watch?v=69J2ycNCtpE&lc=z23lu3jo4xuwzjataacdp43bf4ywaag5x2tpbiljkf1w03c010c
I had to update the codes with the run time…
Davide Piaggio
- 3
- 2
0
votes
1 answer
How can I specify the taken image quality on Android?
I found these two part of code, to how to take a photo from the camera in Android:
Inside the onCreate() method:
Button capture;
capture.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
…
Hasani
- 3,543
- 14
- 65
- 125
0
votes
0 answers
How to Compress Image Size on Upload in Php
i am beginner and i have been trying to reduce the image size on upload but failing to get results. Please help me.
Here is my Php code
Imr An
- 27
- 7
0
votes
1 answer
Gamma Correction and Luminance Masking
As per Weber's law, delta(L)/L is a constant where L is luminance measured in candela/m2 )i.e. (L2 - L1)/L1. This implies that a small change in lower luminance range (darker) is perceptually much more than a small change in higher luminance range…
Pranav Sodhani
- 115
- 13
0
votes
2 answers
Image quality is bad after saving using Glide Library
hi i'm trying to save picture downloaded in device storage i have this methods for save pictures in storage but after saved i find that the picture quality is bad please help me i want to save the picture with the same orignal…
Mouaad Abdelghafour AITALI
- 4,007
- 7
- 27
- 54
0
votes
0 answers
java GifSequenceWriter gif quality
I have created JAVA app that uses GifSequenceWriter class for creating animated GIF from PNG sequence but I noticed that gif quality is pretty bad, so I would like to know if there is some option to set the maximum quality which is 256 colors for…
theoneiam
- 11
- 6
0
votes
2 answers
Loading images by Glide spoil image quality
I build simple gallery. I load my photos using Glide. It looks like on images loaded by glide is some kind of streak (pixels seems to be visible).
I tried to load photo with changed Format RGB_565/ARGB_8888 and I used .dontTransform() but still it…
user3753721
0
votes
1 answer
Android Blurry image
I have an image saved in my database which is perfectly fine I am able to retrieve it, but the problem is that the image quality definitely has been lowered.
This is my code
String server_url =…
earl cabanig
- 53
- 8