Hypercolumn-array based image representation and its application to shape-based object detection.
Hui WeiZheng DongBing LiuPublished in: Appl. Soft Comput. (2017)
Keyphrases
- image representation
- object detection
- object recognition
- scene recognition
- image classification
- face detection
- scene understanding
- bag of words
- object class
- computer vision
- object categories
- multiscale
- image features
- image content
- visual words
- quadtree
- object segmentation
- object classification
- multi class
- feature representations
- representation scheme
- image retrieval
- sparse representation
- bag of visual words
- feature space
- compressive sensing
- scene classification
- receptive fields
- background subtraction
- machine learning
- natural images
- shape features
- visual recognition
- contourlet transform
- natural scenes
- level set
- sparse coding
- saliency detection
- keypoints