The Vision System of the ACROBOTER Project
ICIRA '09 Proceedings of the 2nd International Conference on Intelligent Robotics and Applications
MI-SIFT: mirror and inversion invariant generalization for SIFT descriptor
Proceedings of the ACM International Conference on Image and Video Retrieval
Affine Stable Characteristic based sample expansion for object detection
Proceedings of the ACM International Conference on Image and Video Retrieval
Estimating correspondence between arbitrarily selected points in two widely-separated views
Advanced Engineering Informatics
A cross-media method of stakeholder extraction for news contents analysis
WAIM'10 Proceedings of the 11th international conference on Web-age information management
Efficient non-consecutive feature tracking for structure-from-motion
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part V
How to overcome perceptual aliasing in ASIFT?
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
TILT: transform invariant low-rank textures
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part III
The Global-Local transformation for noise resistant shape representation
Computer Vision and Image Understanding
Graphical pattern identification inspired by perception
ACIIDS'11 Proceedings of the Third international conference on Intelligent information and database systems - Volume Part II
Binary Histogrammed Intensity Patches for Efficient and Robust Matching
International Journal of Computer Vision
Journal of Mathematical Imaging and Vision
Improved feature extraction and matching in urban environments based on 3D viewpoint normalization
Computer Vision and Image Understanding
Palm vein recognition based on three local invariant feature extraction algorithms
CCBR'11 Proceedings of the 6th Chinese conference on Biometric recognition
Improved SIFT matching algorithm for 3D reconstruction from endoscopic images
Proceedings of the 10th International Conference on Virtual Reality Continuum and Its Applications in Industry
A sparse curvature-based detector of affine invariant blobs
Computer Vision and Image Understanding
International Journal of Computer Vision
Fully affine invariant SURF for image matching
Neurocomputing
A robust image retrieval system for mobile guide applications
International Journal of Intelligent Systems
TILT: Transform Invariant Low-Rank Textures
International Journal of Computer Vision
ImageTerrier: an extensible platform for scalable high-performance image retrieval
Proceedings of the 2nd ACM International Conference on Multimedia Retrieval
Automatic analysis of eye-tracking data using object detection algorithms
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Dense 3D point cloud generation from multiple high-resolution spherical images
VAST'11 Proceedings of the 12th International conference on Virtual Reality, Archaeology and Cultural Heritage
Virtual reference view generation for CBIR-based visual pose estimation
Proceedings of the 20th ACM international conference on Multimedia
Detecting and reconstructing 3d mirror symmetric objects
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part II
A comparative study of correspondence-search algorithms in MIS images
MICCAI'12 Proceedings of the 15th international conference on Medical Image Computing and Computer-Assisted Intervention - Volume Part II
Vote based correspondence for 3D point-set registration
Proceedings of the Eighth Indian Conference on Computer Vision, Graphics and Image Processing
3D Rheims reconstruction through ages: robust and invariant postcard matching
Proceedings of the 27th Conference on Image and Vision Computing New Zealand
A Self-adaptive ASIFT-SH method
Advanced Engineering Informatics
An affine invariant shape retrieval algorithm
IScIDE'12 Proceedings of the third Sino-foreign-interchange conference on Intelligent Science and Intelligent Data Engineering
Modality classification for medical images using sparse coded affine-invariant descriptors
PAKDD'12 Proceedings of the 2012 Pacific-Asia conference on Emerging Trends in Knowledge Discovery and Data Mining
Bundle min-hashing for logo recognition
Proceedings of the 3rd ACM conference on International conference on multimedia retrieval
Accurate off-line query expansion for large-scale mobile visual search
Signal Processing
An improvement to the SIFT descriptor for image representation and matching
Pattern Recognition Letters
Robust omnidirectional mobile robot topological navigation system using omnidirectional vision
Engineering Applications of Artificial Intelligence
Laplacian affine sparse coding with tilt and orientation consistency for image classification
Journal of Visual Communication and Image Representation
Automatic unconstrained online configuration of a master-slave camera system
ICVS'13 Proceedings of the 9th international conference on Computer Vision Systems
Design and validation of a virtual environment for experimentation inside the small intestine
BodyNets '13 Proceedings of the 8th International Conference on Body Area Networks
BodyNets '13 Proceedings of the 8th International Conference on Body Area Networks
International Journal of Automation and Computing
Occlusion-aware multi-view reconstruction of articulated objects for manipulation
Robotics and Autonomous Systems
On the Role of Contrast and Regularity in Perceptual Boundary Saliency
Journal of Mathematical Imaging and Vision
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If a physical object has a smooth or piecewise smooth boundary, its images obtained by cameras in varying positions undergo smooth apparent deformations. These deformations are locally well approximated by affine transforms of the image plane. In consequence the solid object recognition problem has often been led back to the computation of affine invariant image local features. Such invariant features could be obtained by normalization methods, but no fully affine normalization method exists for the time being. Even scale invariance is dealt with rigorously only by the scale-invariant feature transform (SIFT) method. By simulating zooms out and normalizing translation and rotation, SIFT is invariant to four out of the six parameters of an affine transform. The method proposed in this paper, affine-SIFT (ASIFT), simulates all image views obtainable by varying the two camera axis orientation parameters, namely, the latitude and the longitude angles, left over by the SIFT method. Then it covers the other four parameters by using the SIFT method itself. The resulting method will be mathematically proved to be fully affine invariant. Against any prognosis, simulating all views depending on the two camera orientation parameters is feasible with no dramatic computational load. A two-resolution scheme further reduces the ASIFT complexity to about twice that of SIFT. A new notion, the transition tilt, measuring the amount of distortion from one view to another, is introduced. While an absolute tilt from a frontal to a slanted view exceeding 6 is rare, much higher transition tilts are common when two slanted views of an object are compared (see Figure hightransitiontiltsillustration). The attainable transition tilt is measured for each affine image comparison method. The new method permits one to reliably identify features that have undergone transition tilts of large magnitude, up to 36 and higher. This fact is substantiated by many experiments which show that ASIFT significantly outperforms the state-of-the-art methods SIFT, maximally stable extremal region (MSER), Harris-affine, and Hessian-affine.