The document is a student's reflection on several experimental photography projects using photomontage techniques. For each project, the student evaluates how well their ideas were realized, the aesthetic qualities of the final images, and aspects that could have been improved. The student used an automatic camera mode and Photoshop features like the collage and threshold tools to manipulate multiple photos into surreal composite images exploring themes of the urban environment. Overall, the student was pleased with the results but felt taking additional photos from different angles could have improved the projects.
Adjusting primitives for graph : SHORT REPORT / NOTESSubhajit Sahu
Graph algorithms, like PageRank Compressed Sparse Row (CSR) is an adjacency-list based graph representation that is
Multiply with different modes (map)
1. Performance of sequential execution based vs OpenMP based vector multiply.
2. Comparing various launch configs for CUDA based vector multiply.
Sum with different storage types (reduce)
1. Performance of vector element sum using float vs bfloat16 as the storage type.
Sum with different modes (reduce)
1. Performance of sequential execution based vs OpenMP based vector element sum.
2. Performance of memcpy vs in-place based CUDA based vector element sum.
3. Comparing various launch configs for CUDA based vector element sum (memcpy).
4. Comparing various launch configs for CUDA based vector element sum (in-place).
Sum with in-place strategies of CUDA mode (reduce)
1. Comparing various launch configs for CUDA based vector element sum (in-place).
Levelwise PageRank with Loop-Based Dead End Handling Strategy : SHORT REPORT ...Subhajit Sahu
Abstract — Levelwise PageRank is an alternative method of PageRank computation which decomposes the input graph into a directed acyclic block-graph of strongly connected components, and processes them in topological order, one level at a time. This enables calculation for ranks in a distributed fashion without per-iteration communication, unlike the standard method where all vertices are processed in each iteration. It however comes with a precondition of the absence of dead ends in the input graph. Here, the native non-distributed performance of Levelwise PageRank was compared against Monolithic PageRank on a CPU as well as a GPU. To ensure a fair comparison, Monolithic PageRank was also performed on a graph where vertices were split by components. Results indicate that Levelwise PageRank is about as fast as Monolithic PageRank on the CPU, but quite a bit slower on the GPU. Slowdown on the GPU is likely caused by a large submission of small workloads, and expected to be non-issue when the computation is performed on massive graphs.
Quantitative Data AnalysisReliability Analysis (Cronbach Alpha) Common Method...2023240532
Quantitative data Analysis
Overview
Reliability Analysis (Cronbach Alpha)
Common Method Bias (Harman Single Factor Test)
Frequency Analysis (Demographic)
Descriptive Analysis
Chatty Kathy - UNC Bootcamp Final Project Presentation - Final Version - 5.23...John Andrews
SlideShare Description for "Chatty Kathy - UNC Bootcamp Final Project Presentation"
Title: Chatty Kathy: Enhancing Physical Activity Among Older Adults
Description:
Discover how Chatty Kathy, an innovative project developed at the UNC Bootcamp, aims to tackle the challenge of low physical activity among older adults. Our AI-driven solution uses peer interaction to boost and sustain exercise levels, significantly improving health outcomes. This presentation covers our problem statement, the rationale behind Chatty Kathy, synthetic data and persona creation, model performance metrics, a visual demonstration of the project, and potential future developments. Join us for an insightful Q&A session to explore the potential of this groundbreaking project.
Project Team: Jay Requarth, Jana Avery, John Andrews, Dr. Dick Davis II, Nee Buntoum, Nam Yeongjin & Mat Nicholas
The Building Blocks of QuestDB, a Time Series Databasejavier ramirez
Talk Delivered at Valencia Codes Meetup 2024-06.
Traditionally, databases have treated timestamps just as another data type. However, when performing real-time analytics, timestamps should be first class citizens and we need rich time semantics to get the most out of our data. We also need to deal with ever growing datasets while keeping performant, which is as fun as it sounds.
It is no wonder time-series databases are now more popular than ever before. Join me in this session to learn about the internal architecture and building blocks of QuestDB, an open source time-series database designed for speed. We will also review a history of some of the changes we have gone over the past two years to deal with late and unordered data, non-blocking writes, read-replicas, or faster batch ingestion.
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Evaluate: ideas eg analysis, results;
I feel as though I have realised my ideas well with this particular photomontage and that it works well. The
strong structural lines throughout such as the metal girders and concrete pillars that do not quite line up as they
should work well making the smaller images look mismatched as a montage- an effect I was trying to achieve. I
tried to include my arm in the photograph, featuring parts of himself was something that Hockney, the artist to
come up with this technique and a large influence of mine did often, but I don’t believe you can see it well
enough. I would change this if to do it again and make the arm more of a feature of the image in some way.
Qualities:
I think that overall my image is aesthetically pleasing and I am happy with the way it has turned out. The
montage is made of a very large amount of photos and I believe this works well in this photograph and adds to
the complex feel that al the different structural elements of the image give it. Without all the different
mismatched alignments of the different photos this is a very busy scene and the addition of the montage effect
works really well. The choice to add a black and white effect came from me not wanting to overcomplicate the
image with a very severe or surreal effect but the black and white helped to contrast between the different
elements of the photograph and make them stand out. I think the weakest aesthetic element of my work is the
arm not being fully in. It is there, but I couldn’t work out a way of rearranging the photos in a way that made it
one of the main elements. I think if I could’ve done this the image would have been much better.
When shooting the photographs for my photomontage I put the camera in full auto mode. This way the camera
made slight variations in its settings from photo to photo and things such as the exposure would be different. I
believe this made the images look better when put together as there would be slight mismatches in colour etc.
When I put the images into Photoshop I used the automate feature and used the collage setting to get near the
effect I wanted. I then resized and relocated some images to get the look I wanted.
5. I think that I could of improved my work by taking a few different selection of photographs of the same scene to
use for different photomontages. I could've taken photos from different angles or moved around more when
shooting to introduce more interesting juxtapositions of angles and vantage points in my photomontage.
I believe this image fits the theme of the urban environment well and displays an area I explored in my mind map
that being the inside of buildings. The image is also experimental as the technique of photomontage is what I
have used and is one I have developed and experimented with as I have gone along.
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7.
8. Evaluate: ideas eg analysis, results;
I think that I have produced a photograph that represents my initial idea for this piece well. I wanted to try a
photomontage that was much simpler and included far less images than the one I took previously in college. This
gives the finished photograph a more clean and refined look that I think works equally well. I like the way the
arches in the photograph line up but because of the different angles and sizes of the images in a strange warped
manner. I think this adds a surreal quality to the image that I really like.
Qualities:
Overall I am pleased with the way this photograph looks. I think the surreal warped appearance I mentioned
before is interesting and adds a quality to the image drawing the viewer in for a second glance. The photograph
has quite nice warm tones of colour and I think this works well with the image and the setting of it, a park bench
on a summers day has connotations of warmness and sun and so the colours compliment this.
8
Again I used full auto mode when taking the photographs as the small automatic changes the camera makes in
settings from photo to photo make small variations between the different photos of the montage. In post-production
I didn’t do much to the photographs other than put them together in the montage using the
automate feature on Photoshop and then re-sizing, deleting or moving some of the photos where I saw
appropriate until I was pleased with the appearance of the montage. I then changes the saturation of the
photographs turning it up to give the photo a warm feel. I particularly like where the trees through the arch have
gone very bright green and the warm pink colour some of the flagstones have gone.
9. I think that by taking more than one set of photographs and having more than one set of images of one scene
would have allowed me to compile multiple photomontages and choose the best one. I really like the one I have
got but the clear space at the top right I wish I’d have had a photograph to fill with. If I had of I think the montage
would have had more balance and been better.
9
I think that the image I have taken does reflect the theme of “urban environment” as the park I have taken
photos of is in the town. The benches and arches are architectural elements I have explored to photograph and I
believe they work well to suggest and remind the viewer of the theme I have chosen.
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12. Evaluate: ideas eg analysis, results;
I think that I have represented my initial idea through this photograph well. With this photomontage I wanted to
experiment with the different settings I could use and effects I could put on the image to try and gain a different,
more surreal effect. I think the way I have played around with the threshold of the image has given it an
interesting contrast with interesting shapes and lines created by different objects being highlighted more
strongly. The harsh black and white colours are very interesting in this photograph.
Qualities:
I am quite pleased with how this image looks. I think the more heavy manipulation ion Photoshop post
production has worked well with this image and given it a surreal and more striking appearance. The threshold
works very well with this image I think as it has made the lines very definite and so things like the shadows stand
out very well.
I chose to again use full auto mode when taking these photographs because the camera automatically makes
small changes to adapt to the scene from photo to photo and this makes for a more interesting effect when I
compile these photos together in the final montage. In post production I put the photos together using
Photoshop’s automate feature and then manually moved some photos, deleted some I didn’t feel needed to be
there or changed the order of them so some sat above others. I then put the threshold effect on the image and
played around with the setting there until I was satisfied with the outcome.
12
13. 13
As in the other photomontages I am pleased with the final image I got, but taking a few different shoots of the
same scene, making a number of different montages and choosing the best one would have been good. Having
different options is never a bad thing.
I also think if I would have taken the photographs from further down the road to the right the centre piece of my
image would have been more interesting; there is a barn there and this could have been my photographs central
focus rather than just the hedge and wall in front of me.
I think that my image does reflect the urban environment because although it does have a lot of nature in it
there are many things that make you think of the city etc. such as the wall in front, the graffiti on the corrugated
metal and I think the threshold effect itself has a very dark, dingy feel that reminds you of the city and the urban
environment.