Summer2008_RIT_Image_Science

advertisement
Preliminary Draft – Topics Subject to Revision
Summer Quarter Image Science Course Outline
I. Foundations of Imaging Science (July 7 – August 8, 2008)
Week 1: Introduction, Human Visual System, Photometry/Radiometry, Basic Statistics
Week 2: Optics, Sensors, Parametric Statistical Methods
Week 3: Image Processing, Introduction to Color Measurement
Week 4: Displays and Output, Image Evaluation, Psychophysics
Week 5: Experimental Design, Collaborative Investigations, Wrap-up
II. Advanced Topics in Imaging Science (not offered summer 2008)
Week 6: System Characterization for Digital Camera Systems
Week 7: Flash and Shutters, Advanced Optics, Color Science I
Week 8: Color Science II, Vision, Perception and JND’s; Statistical Process Control
Week 9: Image Quality Prediction, Advanced Image Processing
Week 10: Video and other Imaging Applications, Collaborative Project; Course Review
Textbooks:
The Science of Imaging, Sakby
Statistics: [Rickmers & Todd equivalent]
Handouts, course-supplied materials
References:
Handbook of Image Quality, Keelan
Color Science, Wyszecki & Stiles
Billmeyer and Saltzman’s Principles of Color Technology, Burns
Seeing the Light, Falk, Brill, Stork
Contrast Sensitivity of the Human Eye and its Effects on Image Quality, Barten
Prerequisites: One year of college-level algebra and trigonometry required, Calculus helpful
One year of college-level Physics
Basic software programming skills (knowledge of Matlab or IDL helpful)
Knowledge of photographic principles or interest to learn
April 24, 2008
Preliminary Draft – Topics Subject to Revision
Labs (1st Five Weeks):
Characterizing HVS / contrast sensitivity / Eye Resolution
Measuring Light / Statistical Variability / Field “uniformity”
Optical Image Formation / Magnification, Resolution, MTF, Distortion
Detectors and Response / sensitivity and noise
Statistics of samples and populations (determining differences in mean, sigma)
Grayscale adjustments via image processing; histograms and eye response
Color measurement, reproduction and variability (create custom color test chart)
Display calibration, hardcopy WYSIWYG considerations
Objective performance characterization (SFR, dynamic range, SNR, sensitivity)
Softcopy ruler experiment, JND’s
Week-long team project (TBD)
Labs (2nd Five Weeks):
Spatial, Tonal, Spectral, Noise Characterizations (CIPA, Imatest, DxO, IE)
Lens CRA measurements
Flare (VGI, stray light) and Blemish measurements
Spectral color measurements, CCT, blackbodies
Subjective image quality assessments (color uniformity, sharpness, exposure)
Statistical analysis of previously collected image quality data
Analysis of lens performance – incoming inspection (MTF/thru focus/yield)
Image processing affects on Image Quality (texture smoothing vs. sharpness)
Developing a simple autofocus optimization scheme via histogram analysis
Determining minimum image requirements for OCR
Multispectral imaging with filters and specialized detectors
Final team project (last week of course) - TBD
April 24, 2008
Preliminary Draft – Topics Subject to Revision
Detailed Course Syllabus – Fundamentals of Image Science
Introduction: The imaging chain; sources, objects, reflectance, optics, sensors, image
processing, color balancing, compression, display, visual evaluation, environment
Basic Statistics: mean, variance, histograms, normal curves and the area under them,
hypothesis tests, test statistics, Student’s T distribution, alpha/beta risk
Human Visual System: Perception, log vs. linear response; rods/cones, photopic vs.
scotopic, contrast sensitivity function, angular resolution of eye
Lab: Characterizing HVS / Contrast Sensitivity / Eye Resolution
Photometry/Radiometry: Energy calculations and units, solid angles, flux, intensity,
illuminance, inverse-square law, exposure equations, light sources (daylight, fluorescent,
incandescent, xenon flash), filters – interference vs. absorptive, IR rejection, color balancing
and ND filters
Lab: Measuring Light / Statistical Variability / Field “uniformity”
Geometrical Optics: principles of image formation – object and image distance,
magnification, focal length, f/number, hyperfocal distance, depth of field, field of view,
distortion
Lab: Optical Image Formation / Magnification, Resolution, MTF, Distortion
Sensors: Imaging principles and characteristics of film, CCD’s and CMOS sensors;
sensitivity (spectral and integrated), ISO speed calculations, SNR measurements, dynamic
range & OECF, CMOS micro-lenses and Chief Ray Angle (CRA) matching, Bayer and other
CFA configurations, tonal transfer
Lab: Detectors and Response / sensitivity and noise
Parametric Statistics: Computation of confidence intervals, estimates of population
statistics from samples, hypothesis tests for variance, Chi-Square distribution, regression,
correlation coefficients
Lab: Statistics of samples and populations (determining differences in mean, sigma)
Image Processing: Spatial, tonal, spectral, noise adjustments (sharpening, exposure
compensation, color balancing). “In-camera” adjustments: Auto-exposure, auto-whitebalance, anti-vignetting.
Lab: Grayscale adjustments via image processing; histograms and eye response
Introduction to Color: Radiation systems and color mixing, defining, describing, and
measuring color; assessing color reproduction “accuracy” and preference; introduction to
color systems and spaces (CIELab, RGB, Yuv, sRGB, etc.)
Lab: Color measurement, reproduction and variability (create custom color test chart)
April 24, 2008
Preliminary Draft – Topics Subject to Revision
Displays and Output: Softcopy display types and characteristics, hardcopy reproduction;
resolution and color characteristics; calibration
Lab: Display calibration, hardcopy WYSIWYG considerations, absolute color reproduction
Psychophysics: Subjective evaluation approaches (paired comparisons, rank order, quality
ruler, etc.); Image Quality Circle; perceptual “nesses”, psychometric scaling approaches,
linking objective and subjective characteristics; introduction to JND’s
Lab: Softcopy ruler experiment, JND’s
Experimental Design: Choosing factors and response variable(s), experimental planning
(randomization, samples sizes, etc.), factorial experiments, ANOVA, Guage R&R;
application of parametric and nonparametric approaches; development
Lab: Week-long Capstone team project (TBD)
Detailed Course Syllabus – Advanced Topics in Imaging Science
Week 6: System Characterization for Camera Systems: Tone Reproduction, Spatial
Performance, Noise; sampling theory, Nyquist limit, pixel sizes vs. performance, spatial
frequency response (SFR), tonal transfer, low light and exposure time, image blur; “High
Dynamic Range” imaging, types of noise and assessment (noise power, etc.)
Labs: Spatial, Tonal, Spectral, Noise Characterizations (CIPA, Imatest, DxO, IE)
Week 7: Flash and Shutters – characterization of exposure; Advanced Optics; PSF, MTF,
understanding lens design output, measuring aberrations and blemishes, optical image
stabilization, autofocus and zoom lenses; Color Science I: spectral characterization
Lab: Lens CRA measurements or Calculating Flash Guide Numbers
Lab: Flare (VGI, stray light) and Blemish measurements
Lab: Spectral color measurements, CCT, blackbody
Week 8: Color science II – specifying color reproduction, color space transformations, CIE
diagram, white points, color perception and adaptation; Vision and JND’s, perceptual
evaluations; Statistical Process Control, control charts, sampling plans, six-sigma
methodology and terms
Lab: Spectral color measurements, CCT, blackbody
Lab: Subjective image quality assessments (color uniformity, sharpness, exposure)
Lab: Statistical analysis of Week 6 image quality data
Lab: 6-Sigma analysis of lens performance – incoming inspection
April 24, 2008
Preliminary Draft – Topics Subject to Revision
Week 9: Image Quality Prediction: SQF, SQRI, Specifications and ISO standards;
Advanced Image Processing (compression methods, artifact removal, simulations, texture
smoothing, “Extended depth of Field (EDOF)” and computational imaging (DxO, Dblur,
CDM optics, etc.))
Lab: Image processing affects on Image Quality (texture smoothing vs. sharpness)
Lab: Developing a simple autofocus optimization scheme via histogram analysis
Lab: Determining minimum image requirements for OCR
Week 10: Video; Quality assessment, standard vs. HD formats, test methods; Survey of
Other Imaging Applications; Multispectral systems, radiology, thermal imaging, etc.,
Collaborative Project; Course Review
Lab: Multispectral imaging with filters and specialized detectors
Lab: Collaborative team project (TBD)
April 24, 2008
Download