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image, optical

Image Enhancement in Coherent Optical Amplification by Photorefractive Crystals

Image Enhancement in Coherent Optical Amplification by Photorefractive Crystals

... of image enhance- ment in coherent optical amplification by photorefractive crystals, a model in view of different spatial frequency in a beam has been ...of image enhancement are: the thickness of ...

6

An enhancement on hybrid optical-digital information encryption and compression for multiple image encryptions

An enhancement on hybrid optical-digital information encryption and compression for multiple image encryptions

... Liu, W., et al. proposed the simultaneous optical image compression and encryption by utilizing the error-reduction phase retrieval algorithm. In this proposed approach, the actual secret images were ...

7

Distance Calculation from Single Optical Image

Distance Calculation from Single Optical Image

... 2D optical images, including depth from stereo (DFS), depth from focus (DFF), depth from defocus (DFD) and so ...during image capturing when a real system is ...

9

Research on Algorithms of SAR and Optical Image Fusion

Research on Algorithms of SAR and Optical Image Fusion

... Multi-source image fusion has increased. SAR and optical images have their own characteristics, quite different from each ...SAR image feature information and reduce the spectral ...SAR image ...

9

Optical Properties of Plasmonic Mirror Image Nanoepsilon

Optical Properties of Plasmonic Mirror Image Nanoepsilon

... The optical setup for the transmission spectrum measure- ment can be separated into three main components, in- cluding the front focusing system, the back focusing system, and an optical spectrum ...focused ...

13

Nonlinear Optical Spatial Filtering for Medical Image Processing

Nonlinear Optical Spatial Filtering for Medical Image Processing

... nonlinear optical materials has become very popular for implantation in optical information processing [15] such as edge enhancement and medical image processing [5] [6] ...the image (low ...

7

Optical Sum Frequency Generation Image of Rice Grains

Optical Sum Frequency Generation Image of Rice Grains

... white image of the crush cell layer between the endosperm and the em- bryo in the visible photograph in Figure 3(a) is due to the random back reflection of the incident light by struc- tures in the crush cell ...

6

Multitask Saliency Detection model for SAR Image and Its Application in SAR and Optical Image Fusion

Multitask Saliency Detection model for SAR Image and Its Application in SAR and Optical Image Fusion

... of optical camera, infrared camera (IF), synthetic aperture radar (SAR), ...to optical images. SAR and optical image fusion can combine information from each source images of the same scene ...

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Image reconstruction of a charge coupled device based optical tomographic instrumentation system for particle sizing

Image reconstruction of a charge coupled device based optical tomographic instrumentation system for particle sizing

... linear image sensors in an optical tomographic instrumentation system used for sizing ...linear image sensors are configured around an octagonal shaped flow pipe for a four projections system is ...

17

Diabetic Retinopathy and Detection of Optical Disc in Fundus Image

Diabetic Retinopathy and Detection of Optical Disc in Fundus Image

... ABSTRACT: now a day’s diabetic retinopathy (DR) has turned out to be not kidding disease among diabetic patients. It would recognize at the early stage else it will causes to aggregate visual impairment .The paper ...

5

Analysis of Different Recognition Technique Classification and their Accuracy Measure over Odia Script-A Review

Analysis of Different Recognition Technique Classification and their Accuracy Measure over Odia Script-A Review

... This paper presents a literature review on character recognition techniques. (OCR) Optical Character Recognition frameworks are able to identify varieties of text styles and printed characters. This means that by ...

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Design and Implementation of OCR to identify English Characters and Numbers Rachit Adhvaryu , Rachana Parikh, Komil Vora

Design and Implementation of OCR to identify English Characters and Numbers Rachit Adhvaryu , Rachana Parikh, Komil Vora

... of optical patterns contained in a digital image corresponding to alphanumeric or other characters ...[1]. Optical character recognition belongs to the family of techniques performing automatic ...

6

Fast and cost effective in process defect inspection for printed electronics based on coherent optical processing

Fast and cost effective in process defect inspection for printed electronics based on coherent optical processing

... of optical obstacles (i.e. ink), while white areas indicate optical transparency ...difference image. The difference image captured by the CMOS camera, as shown in ...difference image ...

11

Comparative Analysis Of Advanced Classification Techniques For Multilingual Ocr Systems

Comparative Analysis Of Advanced Classification Techniques For Multilingual Ocr Systems

... data, image and pattern ...Preprocessed image does require for decent ...achievements, image should be free from any kind of noise and should be normalized to the acceptable ...recognize ...

5

Suggestions for Improvement of the Illumination System and the use of Colored Flashes in Endoscopic Capsule

Suggestions for Improvement of the Illumination System and the use of Colored Flashes in Endoscopic Capsule

... the image is taken. The matrix for image capturing of a wireless capsule has its optical axis, as well as light emitting elements, and sight ...The optical axis of the matrix goes through the ...

6

Index Terms— Face Detection, LBP, Spoofing Attack, Liveness Detection, User Interface, Security I

Index Terms— Face Detection, LBP, Spoofing Attack, Liveness Detection, User Interface, Security I

... the image quality-based and motion-based visual cues provides a promising direction to enhance the generalization and stability of a face anti-spoofing ...the image quality feature, the optical flow ...

8

Movement Human Actions Recognition Based on Machine Learning

Movement Human Actions Recognition Based on Machine Learning

... the optical flow can detect the movement of the object without knowing any information of the scene in advance, and can accurately calculate the speed of the moving ...used optical flow method in the third ...

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An Asymmetric image encryption based on Fresnel Transform using Spiral Phase Mask and Hybrid Mask

An Asymmetric image encryption based on Fresnel Transform using Spiral Phase Mask and Hybrid Mask

... in optical image encryption scheme and to safeguard it from the invaders, this paper proposes new digital Spiral Phase Mask (SPM) based on Fresnel ...

9

Strain Analysis by Digital Shearography on an Aluminium Plate with a Geometric Defect under Thermal Loading

Strain Analysis by Digital Shearography on an Aluminium Plate with a Geometric Defect under Thermal Loading

... ent optical method along with digital image processing. The optical theory in digital shearography is the same as Speckle Pattern Shearing Interferometry, but from a technical perspective, digital ...

7

Fingerprint acquisition with a smartphone camera

Fingerprint acquisition with a smartphone camera

... better image enhance- ment algorithms [11], it is also mentioned that processing algorithms used nowadays are designed for images captured with capacitive or optical sensors ...

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