Facial | Simple interface to OpenCV object detection | Computer Vision library
kandi X-RAY | Facial Summary
kandi X-RAY | Facial Summary
An API to OpenCV used to detect faces in images, more generally a bridge to OpenCV objdetect.
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Facial Key Features
Facial Examples and Code Snippets
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Trending Discussions on Facial
QUESTION
I'm using the Pose Detection, and I tried to use the facial landmarks to calculate the 3d head position and rotation. But as said in MLKit's PoseDetection documentation, the z position for the face landmarks should be ignored.
So I would like to know if there is another way to obtain the head rotation and position from the data that the Pose Detection gives us.
...ANSWER
Answered 2021-Jun-09 at 16:29Head rotation is not available in the Pose detection feature today, but you can get the head rotation info from ML Kit face detection APIs. See https://developers.google.com/android/reference/com/google/mlkit/vision/face/Face#public-method-summary, which provides HeadEulerAngleX/Y/Z()
QUESTION
So I tried the methods that were mentioned in the previously asked similar question but none of them works for my python file. I have been on it for two days and can't seem to find a solution how to run this file from C# form on button click.
IronPython doesn't work because the python script has libraries that cannot be imported in Ironpython.
Running it from cmd doesn't work because cmd starts and then gets closed in a second.
Here's the code:
...ANSWER
Answered 2021-Jun-08 at 10:52install your libraries in "C:\Program Files\Python39\python.exe" or any python environment
and try this:
QUESTION
I have a pytorch model I'm trying to use to do facial recognition. I am using the same model structure, loss, and optimizer as a working code, but it seems like the backprop won't do anything, any output of the NN is just 0.5. Here is the code, any help/suggestions is/are appreciated.
...ANSWER
Answered 2021-May-21 at 22:38You applied both relu
and sigmoid
to your final output. In this case, you want to apply only sigmoid
.
QUESTION
What is [0]
and (1)
in: r = np.random.randint((1), 24000, 1)[0]
Entire github code:
https://github.com/Pawandeep-prog/facial-emotion-detection-webapp/blob/main/facial-detection.py#L230
...ANSWER
Answered 2021-May-08 at 11:18Here np
is numpy
,
(1)
denotes the minimum value of output
QUESTION
I want to transform the output of Google Vision API facial recognition into a feature set for a ML classifier. For each training instance I get a list of predicted faces which is represented as a list of dictionaries where the values are themselves dictionaries and the values of these 'value dictionaries' are categorical in nature like this:
...ANSWER
Answered 2021-May-03 at 16:34I don't know of anything that would work out-of-the-box that handles mapping ordinal values (VERY_UNLIKELY
, ..., VERY_LIKELY
) to integers in a user-defined way while also handling possible keys in dictionaries.
Something like the following would probably be easiest here:
QUESTION
I am building an android app which will authenticate user with AWS Rekognition facial verification. The app might be running in remote areas where internet and cellular connectivity are not available.
It it possible to pre-download all the face metadata stored in AWS and perform facial verification offline in the android app?
...ANSWER
Answered 2021-Mar-16 at 06:41It's not possible to run Amazon Rekognition's logic locally on your device.
When the device is offline, you could use Firebase ML Kit, or TensorFlow Lite.
QUESTION
This is rather a theoretical question than asking for specific code issue.
I have done a bit of facial landmark detection using Haar Cascades, but this time I have a different type of video on my hands. It's a side view of a horse's eye (camera is mounted to the side of the head) so essentially what I see is a giant eye. I tried using Haar Cascades but it's no use, since there is no face to be detected in my video.
I was wondering what the best way to detect the eye and blinks would be on this horse? Do I try and customize a dlib facial mark detector? I didn't find much information on animal landmarks.
Thanks in advance! :)
...ANSWER
Answered 2021-Apr-25 at 17:49I used an object tracker to continue locating the eye after drawing a bounding box around it on the first frame.
I created a set width and height bounding box since we can roughly assume that the eye isn't growing or shrinking relative to the camera. When drawing the bounding box for the tracker, we have to include more than just the eye since it would otherwise lose track of the object whenever they blink.
I looked for whether the saturation of the bounded area dropped below a threshold in each frame as a check for whether or not they blinked. The blue box is the bounding box returned by the tracker, the green box is the area I'm cropping and checking the saturation level of.
Here's a graph of the saturation level over the course of the video
You can clearly see the areas where they blinked
Here's a (heavily compressed to make the 2mb limit) gif of the result
QUESTION
Are 68 landmark points used in dlib https://towardsdatascience.com/facial-mapping-landmarks-with-dlib-python-160abcf7d672 a subset of 106 landmark points used in JD challenge https://facial-landmarks-localization-challenge.github.io/? If it is a subset what are the indices for conversion?
...ANSWER
Answered 2021-Apr-20 at 07:29QUESTION
I've created a facial recognition program, and I was wondering which would be the best way to input the current time into the sqlite database. I've currently managed to update the attendance of the user, but I'm not quite sure on how to update the time of detection. Below is some of the code I've done for the system.
...ANSWER
Answered 2021-Apr-19 at 13:22The solution to updating the column time is shown below and working with a database function we can use datatime()
. Below is the command.
QUESTION
I'm trying to implement a 3D facial recognition algorithm using CNNs with multiple classes. I have an image generator for rgb images, and an image generator for depth images (grayscale). As I have two distinct inputs, I made two different CNN models, one with shape=(height, width, 3) and another with shape=(height, width, 1). Independently I can fit the models with its respective image generator, but after concatenating the two branches and merging both image generators, I got this warning and error:
WARNING:tensorflow:Model was constructed with shape (None, 400, 400, 1) for input KerasTensor(type_spec=TensorSpec(shape=(None, 400, 400, 1), dtype=tf.float32, name='Depth_Input_input'), name='Depth_Input_input', description="created by layer 'Depth_Input_input'"), but it was called on an input with incompatible shape (None, None)
"ValueError: Input 0 of layer Depth_Input is incompatible with the layer: : expected min_ndim=4, found ndim=2. Full shape received: (None, None)"
What can i do to solve this? Thanks
Here is my code:
...ANSWER
Answered 2021-Apr-14 at 15:27From comments
The problem was with the union of the generators in the function
gen_flow_for_two_inputs(X1, X2)
. The correct form isyield [X1i[0], X2i[0]], X1i[1]
instead ofyield [X1i[0], X2i[1]], X1i[1]
(paraphrased from sergio_baixo)
Working code for the generators
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