A study on stackable mosaic generation for mobile devices

Kang, Dongwann; Seo, Sanghyun; Ryoo, Seung-Taek; Yoon, Kyoungro

doi:10.1007/s11042-012-1065-5

Cited by 17 publications

(11 citation statements)

References 11 publications

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“…These approaches include color transfer [4,21,23,24] which is a color correction method for borrowing one images color characteristics from another, photomosaic [13][14][15]22] which represents a target image by assembling given photographic examples, collage [12]. In this study, we concentrate mainly on the style transfer approach.…”

Section: Related Workmentioning

confidence: 99%

Perceptually inspired real-time artistic style transfer for video stream

Kang

Tian

Seo

2016

J Real-Time Image Proc

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This study presents a real-time texture transfer method for artistic style transfer for video stream. We propose a parallel framework using a T-shaped kernel to enhance the computational performance. With regard to accelerated motion estimation, which is necessarily required for maintaining temporal coherence, we present a method using a downscaled motion field to successfully achieve high real-time performance for texture transfer of video stream. In addition, to enhance the artistic quality, we calculate the level of abstraction using visual saliency and integrate it with the texture transfer algorithm. Thus, our algorithm can stylize video with perceptual enhancements.

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Section: Related Workmentioning

confidence: 99%

Perceptually inspired real-time artistic style transfer for video stream

Kang

Tian

Seo

2016

J Real-Time Image Proc

Self Cite

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“…Kang et al . [KSRY13] speed up the basic method based on per‐pixel distance calculation [Sil97, Tra99] by first downsampling the tiles/cells to

n \times n

thumbnails, where n is a small number (3 or 4). The computation time needed to find the best matching tile is significantly reduced.…”

Section: Related Workmentioning

confidence: 99%

“…In our preliminary experiments, we observed that the approach of Kang et al . [KSRY13] provides the best trade‐off between image mosaic quality and speed, thus, we use it as a baseline for comparison. The aforementioned approaches require the search of the whole codebook for the best matching tile, and this demands large computational resources (the search complexity is linear in the size of the codebook).…”

Section: Related Workmentioning

confidence: 99%

Fast Rendering of Image Mosaics and ASCII Art

Markuš

Fratarcangeli

Pandžić

et al. 2015

Computer Graphics Forum

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An image mosaic is an assembly of a large number of small images, usually called tiles, taken from a specific dictionary/codebook. When viewed as a whole, the appearance of a single large image emerges, i.e. each tile approximates a small block of pixels. ASCII art is a related (and older) graphic design technique for producing images from printable characters. Although automatic procedures for both of these visualization schemes have been studied in the past, some are computationally heavy and cannot offer real-time and interactive performance. We propose an algorithm able to reproduce the quality of existing non-photorealistic rendering techniques, in particular ASCII art and image mosaics, obtaining large performance speed-ups. The basic idea is to partition the input image into a rectangular grid and use a decision tree to assign a tile from a pre-determined codebook to each cell. Our implementation can process video streams from webcams in real time and it is suitable for modestly equipped devices. We evaluate our technique by generating the renderings of a variety of images and videos, with good results. The source code of our engine is publicly available.

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“…This algorithm automatically generates painterly images using a brush-stroke texture database and a photomosaic method [13,10,9]. However, users cannot participate in the painting process with [12]'s method, apart from choosing the input image and a limited number of rendering settings.…”

Section: Proposed Algorithmmentioning

confidence: 99%

Interactive Painterly Rendering for Mobile Devices

Kang

Yoon

2015

Entertainment Computing - ICEC 2015

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Abstract. Painterly rendering is among the most popular non-photorealistic rendering techniques and has been employed in many applications. Research on painterly rendering mainly focuses on automatically generating artistic results. In this study, we aim to develop an entertaining and interactive application for painterly rendering with touchscreen mobile devices. The proposed application provides user interaction for added enjoyment and ensures high-quality painterly results. We provide a method for finding the appropriate position of the brush stroke around the points touched by the user and for generating and rendering the brush stroke. With the proposed method, users can quickly generate high-quality painterly results.

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A study on stackable mosaic generation for mobile devices

Cited by 17 publications

References 11 publications

Perceptually inspired real-time artistic style transfer for video stream

Perceptually inspired real-time artistic style transfer for video stream

Fast Rendering of Image Mosaics and ASCII Art

Interactive Painterly Rendering for Mobile Devices

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