Keyphrases
Edge Detector
100%
Shape Retrieval
100%
Edge Feature
100%
Feature Descriptor
100%
Image Retrieval System
40%
Semantic Information
40%
Gaussian Blur
40%
Challenging Tasks
20%
Large Database
20%
Image Edge
20%
Content-based
20%
Digital Image
20%
Keyword-based
20%
Feature Extraction Methods
20%
Relevant Images
20%
User Information
20%
Retrieval Methods
20%
Sketch Image
20%
Detailed Features
20%
Human-computer Interaction Technology
20%
Retrieval Accuracy
20%
Explosives
20%
Drawing Style
20%
Multiscale Edge
20%
Information Retrieval System
20%
Directional Distribution
20%
Information Seeking Process
20%
Touchscreen Devices
20%
Barycentric
20%
Edge Feature Extraction
20%
Randomly Sampling
20%
HOG Features
20%
Edge Filter
20%
Barycenter
20%
Intelligent Information Retrieval
20%
Comprehensive Feature
20%
Edge Extraction Algorithm
20%
Computer Science
Image Retrieval
100%
feature descriptor
100%
Edge Detector
100%
Image Retrieval System
66%
Point Sampling
66%
Experimental Result
33%
Feature Extraction
33%
User Information
33%
Human Computer Interaction
33%
retrieval method
33%
Facilitate User
33%
retrieval accuracy
33%
Intelligent Information Retrieval
33%
Information Retrieval Systems
33%
Information Seeking Process
33%
Multiscale Edge
33%