Abstract: Object detection is a crucial task in computer vision with numerous applications in fields such as medical diagnosis, security, military, and video surveillance. As the volume of data on the internet grows rapidly due to the proliferation of intelligent devices and social media, the demand for advanced object detection techniques has surged. Detecting multiple objects is a key challenge, with two critical factors being feature extraction and handling occlusions. Convolutional Neural Networks (CNNs) have proven effective in extracting region-based features, which help identify multiple regions within images. Meanwhile, the Deformable Part-based Model (DPM) enhances the model’s ability to manage occlusion, where objects close to each other may be missed due to overlap. Current methods often struggle to accurately detect multiple objects, particularly in cluttered scenes. This work proposes integrating CNN and DPM to improve multiple object detection, addressing both feature extraction and occlusion handling, and achieving higher accuracy in detecting individual objects.
Description:FIELD OF INVENTION
The field of invention pertains to computer vision and artificial intelligence, specifically developing an intelligent approach for detecting multiple objects in images. This innovation leverages deep learning, convolutional neural networks (CNNs), and advanced image processing techniques to enhance accuracy, efficiency, and real-time performance in applications such as autonomous systems, surveillance, healthcare imaging, and smart security solutions.
BACKGROUND OF INVENTION
The rapid advancements in computer vision and artificial intelligence have revolutionized the ability to detect and identify multiple objects in images, a challenge that has profound implications across various industries. Traditional object detection techniques, such as sliding windows and feature-based methods, were limited in handling complex, dynamic environments and could not efficiently process large datasets. As machine learning algorithms evolved, particularly with the advent of deep learning, the ability to detect objects in real-time with higher accuracy emerged as a critical area of research. Convolutional Neural Networks (CNNs) and Region-based CNNs (R-CNNs) proved to be groundbreaking, significantly improving the performance of object detection tasks by automating feature extraction and classification. However, even with these advancements, challenges remain in detecting overlapping objects, objects in varied orientations, and objects in cluttered environments. Additionally, the need for more efficient computational models and real-time processing has prompted further innovation in the field. Modern approaches focus on integrating multi-scale detection, attention mechanisms, and transformer-based models to address these challenges. Such techniques have found applications in autonomous vehicles, medical imaging, video surveillance, and industrial automation. The invention of an intelligent approach for detecting multiple objects aims to further enhance the accuracy, robustness, and efficiency of these models, overcoming existing limitations and enabling their deployment in diverse real-world scenarios with minimal latency and maximal reliability.
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SUMMARY
The field of object detection has seen tremendous progress with the rise of machine learning and deep learning techniques. Early object detection methods relied on handcrafted features and traditional algorithms like Haar cascades or SIFT, but these were limited in scalability and accuracy, especially when dealing with complex environments or multiple objects. With the introduction of deep learning models, particularly Convolutional Neural Networks (CNNs), significant advancements in performance were achieved. CNN-based approaches, such as Region-based CNNs (R-CNN) and Faster R-CNN, allowed for automatic feature extraction and improved detection accuracy, but challenges remained in detecting multiple objects, handling occlusions, and processing in real-time. The need for higher efficiency in both accuracy and speed prompted the development of more sophisticated models like YOLO (You Only Look Once) and SSD (Single Shot Multibox Detector), which offer faster and more scalable solutions. However, these models still face difficulties in detecting small or overlapping objects and often struggle in dynamic environments with complex backgrounds. The growing demand for intelligent systems in fields such as autonomous driving, medical imaging, surveillance, and robotics requires further innovation. As a result, there has been a focus on integrating multi-scale object detection, attention mechanisms, and transformer-based architectures, improving contextual understanding and spatial reasoning within images. This intelligent approach aims to tackle the limitations of existing methods by offering higher accuracy, adaptability, and real-time performance, ensuring more robust and reliable object detection in diverse applications.
DETAILED DESCRIPTION OF INVENTION
Object Detection in Computer Vision
Object detection is a core task in computer vision, critical for a wide range of applications, such as semantic segmentation, instance segmentation, pose estimation, and suspicious activity detection. These applications are increasingly important in sectors like security, healthcare, and autonomous systems. Object detection acts as the foundational step in these tasks, where the system needs to first identify and locate objects within images or video frames.
The work starts by focusing on deep learning, particularly Convolutional Neural Networks (CNNs), and how they have revolutionized object detection. CNNs are highly effective at extracting features from images, enabling more accurate and faster detection. The study also discusses various deep CNN architectures that have evolved over time to improve performance, such as YOLO (You Only Look Once), SSD (Single Shot MultiBox Detector), and Faster R-CNN, among others.
A significant portion of the work is dedicated to object detection evaluation metrics and datasets, such as the PASCAL VOC and COCO datasets, which are commonly used for benchmarking object detection models. These metrics and datasets help define a baseline for evaluating the effectiveness of different models and frameworks.
The study distinguishes between one-stage and two-stage detection frameworks:
• One-stage detectors: These detect objects directly from the image in a single step (e.g., YOLO).
• Two-stage detectors: These break the process into two steps, first generating potential object proposals and then refining them (e.g., Faster R-CNN).
Despite the progress, challenges in object detection remain, such as handling multi-scale detection (detecting objects of various sizes), intra-class variations (variations in appearance of objects belonging to the same class), generalization (ensuring models work well on unseen data), and security (ensuring robustness against adversarial attacks).
One of the main challenges of object detection is handling issues such as:
• Occlusions: When objects overlap or are partially hidden.
• Complex backgrounds: When objects are surrounded by clutter or noise.
• Low resolution: When objects are too small or blurry for accurate detection.
In addressing these challenges, the work examines how R-CNN (Region-based CNN) and Selective Search Algorithm (SSA) are effective for object detection but still struggle when objects are closely packed together. To address occlusion (when part of an object is hidden), the work integrates Deformable Part-based Models (DPM). DPM can detect partially occluded objects by improving the model's ability to adjust to parts of objects that are not fully visible.
The work proposes a new framework that combines R-CNN and DPM to enhance the detection process. The benefits of this integration include:
• DPM helps handle occlusions, improving the detection of partially hidden objects.
• R-CNN assists in feature extraction, ensuring accurate object detection.
• The combination ensures that bounding boxes generated by DPM are corrected by R-CNN, minimizing errors in object localization.
The framework is tested on the PASCAL VOC 2007 dataset, a commonly used dataset for evaluating object detection algorithms. This integration is expected to result in more robust and accurate object detection, especially when dealing with occlusions and crowded scenes.
Literature Review
Assistive Technology for the Visually Impaired:
• Feed-Forward Neural Network for Interactive Shopping:
The blind and visually impaired community often faces challenges in independently navigating shopping environments. While assistive technologies have helped in tasks like reading, walking, and writing, shopping remains a significant barrier. To address this, the study introduces a feed-forward talking accessories selector, a system designed to help visually impaired individuals select appropriate products, such as clothing or jewelry, based on criteria like fitness, style, and color combination. The system uses a block-based multi-focus image fusion method, which combines multiple images to create a clearer, more detailed representation, providing suggestions to users in real-time. The evaluation of the system involves expert opinions and statistical analysis, confirming that the system performs effectively and delivers product suggestions that are similar to what experts would recommend.
Obstacle Detection and Classification for the Visually Impaired:
• Smartphone-based Obstacle Detection:
Another significant challenge for the visually impaired is navigating around obstacles in their environment. This work proposes a smartphone-based system that detects and classifies obstacles in real-time, helping users avoid potential dangers. The system works by extracting key interest points from an image grid and tracking them using the multiscale Lucas-Kanade algorithm, which adjusts for varying object sizes. The system then estimates the motion of the camera and background, detecting movement and changes in the environment. Obstacles are classified based on their distance and the orientation of the motion vector (how quickly the obstacle is approaching). The system also integrates a Histogram of Oriented Gradients (HOG) descriptor with the Bag of Visual Words (BoVW) framework, a popular method for image retrieval. By combining these techniques, the system can classify obstacles with high accuracy. The system is tested in environments with significant camera motion and achieves high accuracy while being computationally efficient, ensuring that it can operate in real-time, a critical feature for guiding visually impaired individuals.
In both the object detection and assistive technology sections, the focus is on leveraging cutting-edge computer vision and machine learning techniques to improve real-world applications, from autonomous systems to enhancing the lives of people with disabilities. Each solution is designed to handle real-world complexities, such as occlusion, motion, and varying environments, ensuring higher accuracy, robustness, and efficiency.
Certainly! Here's a neat explanation of each heading:
The existing object detection systems focus on combining multi-scale Deformable Part-based Models (DPM) to detect various object categories. These systems are designed to handle progressive decision-making, but their effectiveness has not been fully demonstrated, especially on difficult benchmark datasets like PASCAL. While DPMs have become widely used, they are not always effective in handling complex detection scenarios, such as objects that are close to each other or partially occluded. The existing systems rely on a discriminative training approach, typically using Support Vector Machines (SVMs) with margin-sensitive methods for data mining. The key drawbacks of the existing system are:
• Less accuracy: The system often fails to achieve high accuracy, especially when objects are in close proximity or occluded.
• Single object detection: The system struggles with detecting multiple objects that are near each other, particularly when they overlap or obstruct one another.
Proposed Work
In the proposed work, the author aims to solve the limitations of current object detection methods by combining the strengths of Convolutional Neural Networks (CNN) with Deformable Part-based Models (DPM). While R-CNN (Region-based CNN) has achieved success in region-based object detection, it faces the occlusion problem, where objects that are too close or partially hidden tend to be missed. To address this, the proposed method uses DPM to retain information about all objects, even when they are near each other. DPM breaks down objects into smaller parts, making it easier to detect and localize even occluded objects. This information is then passed to CNNs for enhanced multi-object detection. The key advantages of the proposed system are:
• Better prediction accuracy: By combining DPM and CNN, the system can accurately detect objects, even in crowded or occluded scenes.
• Multiple object detection: The system can handle detecting multiple objects simultaneously, even when they are close to each other or partially occluded, making it more robust and versatile.
By integrating DPM with CNN, the proposed work enhances the object detection framework, improving performance and accuracy, especially in complex scenarios.
Implementation
1) Upload Pascal-VOC Dataset:
The first step in the implementation is to upload the PASCAL-VOC dataset to the application. The PASCAL-VOC dataset is widely used for object detection tasks and contains labeled images across various categories (e.g., people, animals, vehicles). This dataset will serve as the foundation for training and testing the object detection model.
• Purpose: The goal of this step is to make the dataset available for further processing and training. The dataset includes images along with their annotations (bounding boxes around the objects), which are essential for supervised learning.
• Process:
o The user will upload the PASCAL-VOC dataset, which typically includes both images and label files (annotations).
o The application will check the integrity of the dataset, ensuring it is in the correct format for processing.
o Once uploaded, the dataset will be stored and organized, with the images and corresponding annotations ready to be used for model training and testing.
2) Generate & Load CNN-DPM Model:
Once the dataset is uploaded, the next step is to generate and load the CNN-DPM model. This involves reading all the images from the dataset and training the combined CNN and DPM model for object detection.
• Purpose: The purpose of this step is to create a robust object detection model that can accurately identify multiple objects within an image. The CNN will handle feature extraction, and the DPM will enhance detection by handling occlusions and partial object visibility.
• Process:
o The system will first preprocess the images from the PASCAL-VOC dataset by resizing, normalizing, and augmenting them to improve the training process.
o The CNN-DPM model will be initialized. The CNN will extract features from each image, and the DPM will be used to handle the occlusions and improve object localization, especially when objects are close to each other or partially obscured.
o The model will be trained using labeled data from the dataset, where the ground truth annotations (bounding boxes around objects) are used to guide the learning process.
o After the training is completed, the CNN-DPM model will be saved and ready for use in detecting objects in new, unseen images.
3) Run Multi-object Detection:
Once the CNN-DPM model is trained, the next step is to test the model's ability to detect multiple objects in new images. This involves uploading a test image, and the system will use the trained model to detect multiple objects in the image and highlight them with bounding boxes.
• Purpose: The goal of this step is to evaluate the effectiveness of the trained CNN-DPM model in real-world scenarios. The model will be tested on images it hasn't seen during training, and its ability to detect multiple objects in these images will be assessed.
• Process:
o The user uploads a test image into the application. This image can be from a different dataset or a real-world image.
o The application will use the trained CNN-DPM model to process the test image and identify regions of interest where objects are located.
o The model will generate bounding boxes around the detected objects. These bounding boxes will encapsulate the objects, helping to visually identify each one.
o The detected objects will be labeled with the corresponding class (e.g., person, car, dog), and the system will display the image with bounding boxes drawn around each identified object.
o This process will be repeated for any number of test images to evaluate the robustness and accuracy of the detection system.
Through this implementation process, the system will be capable of detecting multiple objects in images with higher accuracy, even when the objects are close to each other or partially occluded.
Figure 1: Detecting multiple objects in images
In this work, we propose an integrated framework combining the Deformable Part Model (DPM) and Region-based Convolutional Neural Networks (R-CNN) to improve the accuracy of multiple object detection. Using DPM and R-CNN separately does not yield optimal results, but their integration enhances detection performance. In this framework, DPM is employed to generate object proposals that capture various parts of an object, particularly useful in handling occlusions. R-CNN is then applied to extract region-based features from these proposals.
The proposals generated by DPM, along with those generated by the Selective Search Algorithm (SSA), are sequentially fed into the CNN model for feature extraction. Once the CNN processes the proposals, a DSD (Dynamic Selection and Deletion) filter is applied to refine and clean the proposals generated by DPM, ensuring higher accuracy. The final output consists of individual objects, with each object’s detection outputted as a separate entity. This integrated approach leverages the strengths of both DPM and R-CNN to handle complex scenarios, such as occlusions, while enhancing overall detection accuracy.
DETAILED DESCRIPTION OF DIAGRAM
Figure 1: Detecting multiple objects in images , Claims:1. An intelligent approach for detecting multiple objects in images claims that the system integrates Convolutional Neural Networks (CNN) with Deformable Part-Based Models (DPM) to enhance object detection accuracy, especially for objects in close proximity or occluded scenarios.
2. By combining CNN and DPM, the proposed approach can detect multiple objects in a single image, even when the objects are partially obstructed or overlapping.
3. The system leverages region-based feature extraction, improving object localization and classification accuracy.
4. The CNN component of the system effectively extracts detailed features from images, allowing for precise detection of various object categories.
5. The DPM is designed to handle the occlusion problem, ensuring that objects that are not fully visible are still detected.
6. The approach can be trained on large datasets, such as PASCAL VOC, enabling it to generalize well to different object categories and scenarios.
7. The system can process images with complex backgrounds and noise, maintaining high performance in real-world environments.
8. The use of DPM allows for the detection of objects with high resolution, even when only part of the object is visible, providing more accurate bounding boxes.
9. The method provides a significant improvement over traditional object detection techniques, which often struggle with detecting multiple close objects or objects in crowded scenes.
10. The integrated CNN-DPM framework is scalable and can be adapted for use in various real-world applications, including security, surveillance, and autonomous vehicles.
| # | Name | Date |
|---|---|---|
| 1 | 202531012210-REQUEST FOR EARLY PUBLICATION(FORM-9) [13-02-2025(online)].pdf | 2025-02-13 |
| 2 | 202531012210-POWER OF AUTHORITY [13-02-2025(online)].pdf | 2025-02-13 |
| 3 | 202531012210-FORM-9 [13-02-2025(online)].pdf | 2025-02-13 |
| 4 | 202531012210-FORM 1 [13-02-2025(online)].pdf | 2025-02-13 |
| 5 | 202531012210-DRAWINGS [13-02-2025(online)].pdf | 2025-02-13 |
| 6 | 202531012210-COMPLETE SPECIFICATION [13-02-2025(online)].pdf | 2025-02-13 |