MPEG-1 quantizes both inter-frames and intra-frames, however I am curious why the quantization table for inter-frames are all constants, whereas the default quantization table for intra-frames is not.
MPEG-1 Video Compression Quantization
431 Views Asked by Petrov At
1
There are 1 best solutions below
Related Questions in MPEG
- Exoplayer does not play h264 mpeg-4 avc (part 10) codec in Android
- How to convert MPEG2-TTS to MPEG2-TS format to playback using ffplay
- Is there any way to parse .mpd file and download all the media from url generated?
- Unable to extract KLV data from .mpg file
- Gstreamer include SDT table
- Issue with @cycjimmy/jsmpeg-player in React 18, Cannot read properties of null on destroy()
- How can I play a transport stream file in Angular?
- How to correctly encrypt the I-frames in video files?
- How to play audio from a stream that contains a MPEG file?
- Convert 10 bit number to mantissa-exponent and vice-versa
- Does MPEG-Dash live have ?begin parameter in their URI to start playback from a particular position
- How do I convert raw audio/binary mpeg data into audio/x-mulaw with a sample rate of 8000 and base64 encoded in NodeJS?
- How to get better video quality using Accord.Video.FFMPEG.DLL
- How to turn binary from server back into audio file?
- Is it possible to stitch MP3 frames together?
Related Questions in IMAGE-COMPRESSION
- saving always adds artefacts to my images that photoshop doesn't
- cjepg not outputting .jpeg file in directory
- How to prevent artefacts in transparent images when generating thumbnails?
- Compress the Total size of PDF in google script
- Compressing a Picture in flutter returns null
- How do I generate a very large PNG or JPEG file?
- acceptable ranges for PSNR values in image quality
- How can I generate the most compact plain color image in base64 using node.js (server-side)?
- Flutter: Image compression to specific size
- How to retain TIFF compression while reconverting it back from JPEG?
- Wrong result after converting image from floating-point to unsigned in implementing JPEG
- Compressing image with python-opencv actually results more size
- Image compressor not importing in nextjs
- PNG Compression - ImageIO (on Mac OS using C/C++)
- Converting png and jpg images to webp format with parallel compression using the vite-plugin-image-optimizer plugin in the Vite builder
Related Questions in QUANTIZATION
- Quantization 4 bit and 8 bit - error in 'quantization_config'
- config QConfig in pytorch QAT
- How to manually dequantize the output of a layer and requantize it for the next layer in Pytorch?
- Implementing tflite quantized inference in python
- Image quantization with Numpy
- GPT Calculation Program for Matrix
- Is there a way to make the tflite converter cut the tails of the distributions when using the representative dataset?
- ammo.torch.quantization TypeError: sum() received an invalid combination of arguments
- Torch Dynamo graph tracing error when meeting tensor slicing operation
- Tensor data is null
- ValueError: Tensor data is null. Run allocate_tensors() first
- Where are the type and weight of the activation function in .tflite?
- How to quantize sentence-transformer model on CPU to use it on GPU?
- Can Quantization Aware Training be performed without using TFLite?
- Does static quantization enable the model to feed a layer with the output of the previous one, without converting to fp (and back to int)?
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular # Hahtags
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
This is because inter-frames contains only error residuals after subtracting predicted image from source image. Such residuals have almost uniform frequency distribution (if prediction ie. motion estimation is made correctly). For these frames we use uniform quantization matrices.
In contrast, intra-frames have very high power of low frequencies, they are hard to compress because of they enormous amplitudes. For these unpredicted frames we use low-frequency centered quantization matrices.