DEnc | dotnet library for making encoding videos | Video Utils library
kandi X-RAY | DEnc Summary
kandi X-RAY | DEnc Summary
This library acts as a simplification interface wrapping around ffmpeg and mp4box. Simply pass in a file and the desired qualities, and the complicated commands and output processing is handled for you. The result is a set of media files and an mpd file.
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QUESTION
Recently I tried to convert mask rcnn in this repository from tensorflow 1 to tensorflow 2.
After re-writing the codes and when I run sample "shape" and execute code
model.train(dataset_train, dataset_val, learning_rate=config.LEARNING_RATE, epochs=1, layers='heads')
I got this ValueError
(ValueError: The two structures don't have the same sequence length. Input structure has length 0, while shallow structure has length 14.)
and don't know how to fix it.
I noticed that the output of this model has 14 elements in model.build()
in model.py.
I uploaded my project to this repo. The whole structure is the same as the original repo above, I just separated different parts of this model into different files and review them two times to check typing problems. I cannot certainly say this problem is not caused by typing problem which I cannot find any currently.
Below is the whole error info:
...ANSWER
Answered 2020-Jul-09 at 14:10I solved this problem by referring to this repo.
QUESTION
I've been converting my procedural MATLAB code into OO C++ and it has been quite the learning experience thus far. The error I'm getting is a "0xC0000005: Access violation writing location 0xFDFDFE05", and am not sure what this means.
The following is my MATLAB code, which works:
...ANSWER
Answered 2019-Jun-17 at 23:48You’re writing (width*height)
x(width*height)
elements to a width
xheight
matrix. You are thus writing out of bounds.
I guess you might fix this with:
QUESTION
When I'm trying to retrain the model with tensorflow it shows an error:
...ANSWER
Answered 2019-Apr-24 at 05:11Please check the tensorflow version. It should be a recent nightly version.
When I use a version like 1.13.1, I see the following warning before the error, no attribute 'KerasLayer':
QUESTION
I have bunch of output information messgaes through executing some CLI utility, and at the end of the file has a web URL. I need to use python regex to find that link and show as a output. Below is the 3 lines of code that I have written for my purpose.
...ANSWER
Answered 2019-Apr-15 at 18:20You are passing a file object
to re.findall
, instead of a string
. You need to assign the result of the file read to a variable and pass that into re.findall
.
fo.read().__str__()
should be something likelines = fo.read()
urls = re.findall('https?://(?:[-\w.]|(?:%[\da-fA-F]{2}))+', fo)
should beurls = re.findall('https?://(?:[-\w.]|(?:%[\da-fA-F]{2}))+', lines)
QUESTION
Im trying to convert my Keras model (mobilenet + dence layers). The problem is that when I want to use coremltools for conversion I faced with the following problem:
...ANSWER
Answered 2018-Nov-21 at 09:45I solved the problem by using proper version of the Keras which includes both Mobilenet (feature extractor) and at the same time "relu6". The only version (up to now) that worked for me is version "2.1.6". By this version I successfully did the conversion. coremltools does not supporting some layers for the moment (including relu6). This issue can be handled by "CustomObjectScope" an it was shown in the provided code. Note that, the network should be trained at this version (2.1.6) again.
QUESTION
I'm working on a classifier for video sequences. It should take several video frames on input and output a label, either 0 or 1. So, it is a many-to-one network.
I already have a classifier for single frames. This classifier makes several convolutions with Conv2D
, then applies GlobalAveragePooling2D
. This results in 1D vector of length 64. Then original per-frame classifier has a Dence
layer with softmax activation.
Now I would like to extend this classifier to work with sequences. Ideally, sequences should be of varying length, but for now I fix the length to 4.
To extend my classifier, I'm going to replace Dense
with an LSTM layer with 1 unit. So, my goal is to have the LSTM layer to take several 1D vectors of length 64, one by one, and output a label.
Schematically, what I have now:
...ANSWER
Answered 2018-Jun-01 at 10:13Expanding on the comments to an answer; the TimeDistributed layer applies the given layer to every time step of the input. Hence, your TimeDistributed would apply to every frame giving an input shape=(F_NUM, W, H, C)
. After applying the convolution to every image, you get back (F_NUM, 64)
which are features for every frame.
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