ImageNet_Utils | help download images by id , crop bounding box | Computer Vision library

 by   tzutalin Python Version: Current License: MIT

kandi X-RAY | ImageNet_Utils Summary

kandi X-RAY | ImageNet_Utils Summary

ImageNet_Utils is a Python library typically used in Artificial Intelligence, Computer Vision, Deep Learning applications. ImageNet_Utils has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. However ImageNet_Utils build file is not available. You can download it from GitHub.

:arrow_double_down: Utils to help download images by id, crop bounding box, label images, etc.
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            kandi-support Support

              ImageNet_Utils has a low active ecosystem.
              It has 594 star(s) with 195 fork(s). There are 51 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 13 open issues and 5 have been closed. On average issues are closed in 4 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of ImageNet_Utils is current.

            kandi-Quality Quality

              ImageNet_Utils has 0 bugs and 0 code smells.

            kandi-Security Security

              ImageNet_Utils has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              ImageNet_Utils code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              ImageNet_Utils is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              ImageNet_Utils releases are not available. You will need to build from source code and install.
              ImageNet_Utils has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions, examples and code snippets are available.
              It has 61731 lines of code, 40 functions and 15 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed ImageNet_Utils and discovered the below as its top functions. This is intended to give you an instant insight into ImageNet_Utils implemented functionality, and help decide if they suit your requirements.
            • Add an image element to the xml file
            • Returns a list of paths that match the given paths
            • Return pickled path
            • Copy images from annotation files
            • Create a directory
            • Helper method to save a list of images
            • Save matlab s meta data
            • Saves matlab s meta data
            • Finds the largest label in the label map
            • Generates label and name from label map file
            • Return a numpy array of matlab data
            • Saves an array to a file
            • Copy annotation files to destination directory
            • Find the wnids in an annotation folder
            • Return a list of paths matching paths
            • Finds a list of WNs in an annotation folder
            • Saves the list of matched Ids to an image file
            • Helper function to save a list of images
            • Adds a path to sys path
            Get all kandi verified functions for this library.

            ImageNet_Utils Key Features

            No Key Features are available at this moment for ImageNet_Utils.

            ImageNet_Utils Examples and Code Snippets

            No Code Snippets are available at this moment for ImageNet_Utils.

            Community Discussions

            QUESTION

            How to apply pre-processing to images of a tf.data.Dataset?
            Asked 2022-Feb-24 at 11:04

            If I understand correctly instead of loading a a full dataset into memory like this:

            ...

            ANSWER

            Answered 2022-Feb-24 at 11:04

            You can use tf.data.Dataset.map to apply preprocessing to your images or batches of images. Here is an example:

            Source https://stackoverflow.com/questions/71250857

            QUESTION

            ImportError: cannot import name '_obtain_input_shape' in keras
            Asked 2022-Jan-28 at 15:43

            When I try to import keras_squeezenet I get this error:

            ...

            ANSWER

            Answered 2022-Jan-28 at 15:43

            Did you tried the new version ? (see : https://github.com/rcmalli/keras-squeezenet)

            you can install it with :
            pip install git+https://github.com/rcmalli/keras-squeezenet.git

            Source https://stackoverflow.com/questions/70895683

            QUESTION

            Change in Keras.applications source code results in error in missing variable from localhost
            Asked 2021-Jun-02 at 08:49

            For image clustering I was using a piece of code which worked perfectly.

            ...

            ANSWER

            Answered 2021-Jun-02 at 08:49

            I switched to TF2 instead of disabling v2 behavior and that has resolved the problem

            Source https://stackoverflow.com/questions/67789714

            QUESTION

            Shape incompatible error while using ImageDataGenerator for transfer learning
            Asked 2021-May-30 at 09:24

            I want to create a classification model. For this purpose I have collected some images from 3 different classes. First, I have implemented Xception model ( freezed all layers except the last one). However, it overfitted. Then, I have decided to use data augmentation strategy. This is the first time I have used Keras module for this purpose. I belive that I have correctly used it. But getting error ValueError: Shapes (None, None) and (None, None, None, 3) are incompatible. I have tried what I found from the web, but did not works. Can anyone point the what I am doing wrong? Here is the code.

            ...

            ANSWER

            Answered 2021-May-30 at 09:24

            That's because you are feeding a convolution's output to a Dense layer.

            You need to add one of Flatten, GlobalMaxPooling2D or GlobalAveragePooling2D in order to transform your output to (batch_size, input_size). You can change these lines:

            Source https://stackoverflow.com/questions/67759340

            QUESTION

            Issue retrieving wrong prediction results
            Asked 2021-Mar-22 at 07:27

            I have the following code trying to perform prediction using mobilenetv2, however the prediction result is not providing the expected result its providing a wrong prediciton result, the expected output needs to be this [('n02504458', 'African_elephant', 0.5459417), ('n01871265', 'tusker', 0.28918085), ('n02504013', 'Indian_elephant', 0.08010819)]

            ...

            ANSWER

            Answered 2021-Mar-22 at 07:27

            You haven't trained your network. You can either:

            • Load pre-trained weights. This option is only available if you use one of the pre-trained Keras networks. For image classification, a good choice is ImageNet:

              model = ResNet50(weights='imagenet')

            • Train your network using model.fit method on some dataset. This approach can be used on custom networks too.

            Source https://stackoverflow.com/questions/66738189

            QUESTION

            Issue retrieving ValueError: `decode_predictions` expects a batch of predictions
            Asked 2021-Mar-21 at 22:15

            I have the following code took it from Github to run a pre-trained model mobilenet_v2 https://github.com/vvigilante/mobilenet_v2_keras/blob/master/mobilenet_v2_keras.py and trying to run it, however, I am facing some issue to run the code. I tried to import it from Keras. applications.mobilentnetv2 but it didn't resolve the issue.

            ...

            ANSWER

            Answered 2021-Mar-21 at 21:13

            This function is meant to transform a vector of 1,000 probabilities into a category of the ImageNet dataset, which has 1,000 categories. Your final layer has 100 categories, so the function is confused. You could do this:

            Source https://stackoverflow.com/questions/66736103

            QUESTION

            How to implement Grad-CAM on a trained network
            Asked 2021-Feb-13 at 20:47

            I have already trained a network and I have saved it in the form of mynetwork.model. I want to apply gradcam using my own model and not VGG16 or ResNet etc.

            apply_gradcam.py

            ...

            ANSWER

            Answered 2021-Feb-13 at 20:47

            One thing I don't get is if you've your own classifier (2) why then use imagenet_utils.decode_predictions? I'm not sure if my following answer will satisfy you or not. But here are some pointer.

            DataSet

            Source https://stackoverflow.com/questions/66182884

            QUESTION

            Pre_trained model work well on ResNet, InceptionNet but unable to run on VGG16 and VGG19
            Asked 2020-Nov-08 at 15:01

            I got this trouble when applying object classification with some pre-trained model. This code works on ResNet and Inception, however it turned to have some problem with cudnn when I used VGG16 or VGG19.

            I run my code in conda virtual environment which has tensorflow-gpu=2.2.0, cuda=10.1, cudnn=7.6.5.

            My cudnn of my OS is 8.0.4. Could this be a problem??? I worked well for many models with this system but not this case.

            Here is my code:

            ...

            ANSWER

            Answered 2020-Nov-08 at 15:01

            Have you checked this issue: https://github.com/tensorflow/tensorflow/issues/34888

            They mention to add this code on the top of your code:

            Source https://stackoverflow.com/questions/64737158

            QUESTION

            How to use black and white images in keras CNN?
            Asked 2020-Aug-04 at 14:15
            import tensorflow as tf
            from tensorflow.keras.models import Sequential
            from tensorflow.keras.layers import Activation, Dense, Flatten, BatchNormalization, Conv2D, MaxPool2D, Dropout
            from tensorflow.keras.optimizers import Adam
            from tensorflow.keras.preprocessing.image import ImageDataGenerator
            import os
            import matplotlib.pyplot as plt
            import warnings
            warnings.simplefilter(action='ignore', category=FutureWarning)
            
            os.chdir('C:/Users/dancu/PycharmProjects/firstCNN/data/ad-vs-cn')
            
            physical_devices = tf.config.experimental.list_physical_devices('GPU')
            print("Num GPUs Available: ", len(physical_devices))
            tf.config.experimental.set_memory_growth(physical_devices[0], True)
            
            train_path = "C:/Users/dancu/PycharmProjects/firstCNN\data/ad-vs-cn/train"
            test_path = "C:/Users/dancu/PycharmProjects/firstCNN\data/ad-vs-cn/test"
            valid_path = "C:/Users/dancu/PycharmProjects/firstCNN\data/ad-vs-cn/valid"
            
            train_batches = ImageDataGenerator(preprocessing_function=tf.keras.applications.vgg16.preprocess_input) \
                .flow_from_directory(directory=train_path, target_size=(256,256), classes=['cn', 'ad'], batch_size=10, color_mode="rgb")
            valid_batches = ImageDataGenerator(preprocessing_function=tf.keras.applications.vgg16.preprocess_input) \
                .flow_from_directory(directory=valid_path, target_size=(256,256), classes=['cn', 'ad'], batch_size=10, color_mode="rgb")
            test_batches = ImageDataGenerator(preprocessing_function=tf.keras.applications.vgg16.preprocess_input) \
                .flow_from_directory(directory=test_path, target_size=(256,256), classes=['cn', 'ad'], batch_size=10, color_mode="rgb", shuffle=False)
            
            
            # def plotImages(images_arr):
            #     fig, axes = plt.subplots(1, 10, figsize=(20,20))
            #     axes = axes.flatten()
            #     for img, ax in zip( images_arr, axes):
            #         ax.imshow(img)
            #         ax.axis('off')
            #     plt.tight_layout()
            #     plt.show()
            #
            #
            # imgs, labels = next(train_batches)
            # plotImages(imgs)
            
            model = Sequential([
                Conv2D(filters=32, kernel_size=(3, 3), activation='relu', padding = 'same', input_shape=(256,256,3)),
                MaxPool2D(pool_size=(2, 2), strides=2),
                Conv2D(filters=64, kernel_size=(3, 3), activation='relu', padding = 'same'),
                MaxPool2D(pool_size=(2, 2), strides=2),
                Flatten(),
                Dense(units=2, activation='softmax')
            ])
            
            #print(model.summary())
            
            model.compile(optimizer=Adam(learning_rate=0.0001), loss='categorical_crossentropy', metrics=['accuracy'])
            
            model.fit(x=train_batches,
                steps_per_epoch=len(train_batches),
                validation_data=valid_batches,
                validation_steps=len(valid_batches),
                epochs=10,
                verbose=2
            )
            
            ...

            ANSWER

            Answered 2020-Aug-04 at 14:15

            You're getting an error when setting color_mode='grayscale' because tf.keras.applications.vgg16.preprocess_input takes an input tensor with 3 channels, according to its documentation. You don't need this function since you're training your model from scratch and so zero-centering your input based in ImageNet pictures doesn't make much sense. You'll be fine by just passing rescale=1/255 in the ImageDataGenerator call and that'll be fine for basic preprocessing.

            Source https://stackoverflow.com/questions/63248277

            QUESTION

            Possibility of choosing imagenet_utils.preprocess_input modes from ImageDataGenerator
            Asked 2020-Jul-07 at 09:18

            There is a preprocessing technique where we can preprocess image with respect to ImageNet dataset using the following:

            ...

            ANSWER

            Answered 2020-Jul-07 at 09:18

            ImageDataGenerator has a preprocessing_function argument in which you can pass a function to be applied to the images. To adapt the mode, you can do the following:

            Source https://stackoverflow.com/questions/62771177

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install ImageNet_Utils

            Get the urls of wnid and download all of them. E.g., download Dog images from ImageNet and save images to ./n02084071/url_images/*.jpg. Download all original images. E.g., download the original images about person and save to ./n00007846/n00007846_original_images/*.JPEG. Download the boundingbox xml of wnid. E.g., download bounding boxes of original images about person.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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