All Questions
13 questions
-1
votes
1
answer
416
views
FFmpeg RAW .tif to jpeg too dark
I know this problem is known, but I cannot actually find a solution for this.
I am using Topaz JPEG to RAW. The output, I selected, is .tif. So a 4:3 4k image is 80MB large. Now I need to convert it ...
- 119
1
vote
2
answers
101
views
Different size when scanning depending on the method (USB, WiFi direct to Mac and PC)
I scanned a paper today using three different methods:
USB inserted into the scanner (an HP Color LaserJet MFP M477fdw)
WiFi direct to Image Capture on a Mac
WiFi direct to Scan on Windows 10
The ...
- 886
0
votes
1
answer
33
views
Tiff or JPG in PDF?
I have a bunch of scanned PDF (e.g. picturebased pdfs). When I run them through "pdf optimizers" online they frequently are reduced 70-80 % in size with hardly any noticeable difference in quality. I ...
- 886
5
votes
1
answer
9k
views
Convert TIFF to JPG using FFMPEG keeping same DPI
We are using FFMPEG in our java application and I am trying to convert a tiff file to jpg but the requirement is to keep the SAME DPI as it has in original tiff file.
I am new to FFMPEG and tried ...
- 51
0
votes
0
answers
1k
views
Batch convert multi page TIFFs to multi page or individual page PDFs on MAC
I have hundreds of Multi page TIFFs that I need to turn into individual image JPG files (file names not important).
Some had already been converted into multi page PDFs and I found a solution using ...
- 11
4
votes
1
answer
4k
views
Is TIFF with JPEG compression lossy?
Preview on the Mac can save a file to TIFF, but with JPEG compression:
Is this lossy? I'm confused because TIFF is usually lossless, but JPEG is lossy.
Maybe it is lossy, since the file size is 4MB ...
- 285
1
vote
1
answer
660
views
How to convert "SWOP (Coated), 20%)" CMYK TIFF to sRGB PNG and ditto CMYK JPG to sRGB JPG?
I have a TIFF image and a JPG image. http://regex.info/exif.cgi says that they both use a CMYK color space labelled as "SWOP (Coated), 20%". How do I accurately and losslessly convert the TIFF image ...
- 347
1
vote
1
answer
2k
views
How do I convert a JPEG file into a black and white (1-bit) monochrome TIFF in Ubuntu?
JPEG is a scan of a text document so not much to loose in terms of colour/tones.
convert foo.jpg -flatten -monochrome bar.tif
gives
convert: BitsPerSample 1 not allowed for JPEG. 'JPEGSetupEncode' ...
- 111
0
votes
2
answers
3k
views
Can TIFF images store embedded thumbnails in them like JPEG (JPG) files can?
Can TIFF images store embedded thumbnails in them like JPEG (JPG) files can?
I noticed that in XNview, when you save a TIFF image there is an option to set the JPEG quality (of the TIFF image). ...
- 9,357
6
votes
1
answer
14k
views
Use ffmpeg for JPEG to TIFF conversion
I would like to use Tesseract OCR with a video.
With ffmpeg I can export some (.jpeg) images from a video. Can I convert a .jpeg into a valid .tiff or export directly .tiff images from the video with ...
- 455
0
votes
3
answers
14k
views
How to batch-convert JPG files to uncompressed TIFF
I need to collect 1000 uncompressed TIFF files. I have a large set of JPG images, so I decided to convert them to TIFF format. The loss in quality is ok in this case for me.
I used the following ...
- 289
5
votes
4
answers
14k
views
Convert Multi-Page PDF to Single JPEG or TIFF File on Mac
I am trying to submit a paper to an academic journal. My file is in PDF form. Unfortunately, the journal only accepts papers as JPEGs or TIFFs.
I can turn a single page into a JPEG using preview. ...
- 221
7
votes
4
answers
23k
views
How can multiple image TIFF files be converted to JPEG files?
How can multiple image TIFF files be converted to JPEG files in a batch manner?
Update 1: convert on Linux (part of ImageMagick) as suggested by Miss Cellanie and glallen worked. It was ...
- 12.3k