R. Ajay Krishnaraju, J. Poovarasan, S. Santhies Kumar, S. Surya, P. Tamilselvan

Object Detection Using Adaptive Block Partition and RCNN Algorithm

  • General Medicine
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Advancements in image and video processing are growing over the years for industrial robots, autonomous vehicles, cryptography, surveillance, medical imaging and computer-human interaction applications. One of the major challenges in real-time image and video processing is the execution of complex functions and high computational tasks. To overcome this issue, a hardware acceleration of different filter algorithms for both image and video processing is implemented on Xilinx Zynq®-7000 System on-Chip (SoC) device consists of Dual-core Cortex™-A9 processors which provides computing ability to perform with the help of software libraries using Vivado® High-Level Synthesis (HLS). The acceleration of object detection algorithms include Sobel-Feldman filter, posterize and threshold filter algorithms implemented with 1920 x 1080 image resolutions for real-time object detection. The implementation results exhibit effective resource utilization such as 45.6% of logic cells, 51% of Look-up tables (LUTs), 29.47% of Flipflops, 15% of Block RAMs and 23.63% of DSP slices under 100 MHz frequency on comparing with previous works. There are a few reasons why tracking is preferable over detecting objects in each frame. Tracking facilitates in identifying the identity of various items across frames when there are several objects. Object detection may fail in some instances, but tracking may still be achievable which takes into account the location and appearance of the object in the previous frame. The key hurdles in real-time image and video processing applications are object tracking and motion detection. Some tracking algorithms are extremely fast because they perform a local search rather than a global search. Tracking algorithms such as meanshift, Regional Neural Network probabilistic data association, particle filter, nearest neighbor, Kalman filter and interactive multiple model (IMM) are available to estimate and predict the state of a system.

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