Binary Shading Using Appearance and Geometry

Buchholz, Bert; Boubekeur, Tamy; DeCarlo, Doug; Alexa, Marc

doi:10.1111/j.1467-8659.2010.01712.x

Cited by 5 publications

(4 citation statements)

References 42 publications

(58 reference statements)

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“…Buchholz et al [20] use segmentation of 3D models in image space to generate abstracted binary renderings, while Bronson et al [21] generate binary stencils (self connected sheets). Both methods focus on regions; compared with the image based methods they can better capture the object's shape given the available 3D information.…”

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confidence: 99%

Artistic minimal rendering with lines and blocks

Rosin

Lai

2013

Graphical Models

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Many non-photorealistic rendering techniques exist to produce artistic effects from given images. Inspired by various artists, interesting effects can be produced by using a minimal rendering, where the minimum refers to the number of tones as well as the number and complexity of the primitives used for rendering. Our method is based on various computer vision techniques, and uses a combination of refined lines and blocks (potentially simplified), as well as a small number of tones, to produce abstracted artistic rendering with sufficient elements from the original image. We also considered a variety of methods to produce different artistic styles, such as colour and two-tone drawings, and use semantic information to improve renderings for faces. By changing some intuitive parameters a wide range of visually pleasing results can be produced. Our method is fully automatic. We demonstrate the effectiveness of our method with extensive experiments and a user study.

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confidence: 99%

Artistic minimal rendering with lines and blocks

Rosin

Lai

2013

Graphical Models

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“…Stencil generation techniques are used in the artistic domain as well as in fields such as cartoon rendering , half‐tone rendering , and optical arts , which generate non‐realistic scenes.…”

Section: Related Workmentioning

confidence: 99%

Stencil‐based 3D facial relief creation from RGBD images for 3D printing

2020

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Three‐dimensional (3D) selfie services, one of the major 3D printing services, print 3D models of an individual's face via scanning. However, most of these services require expensive full‐color supporting 3D printers. The high cost of such printers poses a challenge in launching a variety of 3D printing application services. This paper presents a stencil‐based 3D facial relief creation method employing a low‐cost RGBD sensor and a 3D printer. Stencil‐based 3D facial relief is an artwork in which some parts are holes, similar to that in a stencil, and other parts stand out, as in a relief. The proposed method creates a new type of relief by combining the existing stencil techniques and relief techniques. As a result, the 3D printed product resembles a two‐colored object rather than a one‐colored object even when a monochrome 3D printer is used. Unlike existing personalization‐based 3D printing services, the proposed method enables the printing and delivery of products to customers in a short period of time. Experimental results reveal that, compared to existing 3D selfie products printed by monochrome 3D printers, our products have a higher degree of similarity and are more profitable.

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“…Xu et al presented a method for papercut [XKM07] in 3D space. Buchholz et al [BBDA10] used a similar graph‐cut minimization approach to assign black and white colors to regions for 3D binary stylization. We focus on image‐based black and white approaches.…”

Section: Related Workmentioning

confidence: 99%

Contrast-Enhanced Black and White Images

Mould

2015

Computer Graphics Forum

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This paper investigates contrast enhancement as an approach to tone reduction, aiming to convert a photograph to black and white. Using a filter-based approach to strengthen contrast, we avoid making a hard decision about how to assign tones to segmented regions. Our method is inspired by sticks filtering, used to enhance medical images but not previously used in non-photorealistic rendering. We amplify contrast of pixels along the direction of greatest local difference from the mean, strengthening even weak features if they are most prominent. A final thresholding step converts the contrast-enhanced image to black and white. Local smoothing and contrast enhancement balances abstraction and structure preservation; the main advantage of our method is its faithful depiction of image detail. Our method can create a set of effects: line drawing, hatching, and black and white, all having superior details to previous black and white methods.

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Binary Shading Using Appearance and Geometry

Cited by 5 publications

References 42 publications

Artistic minimal rendering with lines and blocks

Artistic minimal rendering with lines and blocks

Stencil‐based 3D facial relief creation from RGBD images for 3D printing

Contrast-Enhanced Black and White Images

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